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authorMike Frysinger <vapier@gentoo.org>2021-05-29 12:55:39 -0400
committerMike Frysinger <vapier@gentoo.org>2021-06-08 00:47:03 -0400
commitd20bc122888f03a2d2a5a9162f6287de5a79a8f9 (patch)
tree74f06af30ead1d46d0c749d1be85b439ce70b698 /gnulib
parent172a7ff54b235e3e30e52976c953f6da8134625d (diff)
downloadbinutils-gdb-d20bc122888f03a2d2a5a9162f6287de5a79a8f9.tar.gz
gnulib: import select
A few sims use this to emulate the syscall & provide network functionality.
Diffstat (limited to 'gnulib')
-rw-r--r--gnulib/ChangeLog10
-rw-r--r--gnulib/Makefile.gnulib.inc.in2
-rw-r--r--gnulib/Makefile.in14
-rw-r--r--gnulib/aclocal.m44
-rw-r--r--gnulib/config.in9
-rw-r--r--gnulib/configure604
-rw-r--r--gnulib/import/Makefile.am52
-rw-r--r--gnulib/import/Makefile.in93
-rw-r--r--gnulib/import/m4/gnulib-cache.m42
-rw-r--r--gnulib/import/m4/gnulib-comp.m422
-rw-r--r--gnulib/import/m4/select.m4117
-rw-r--r--gnulib/import/m4/socketlib.m496
-rw-r--r--gnulib/import/m4/sockets.m417
-rw-r--r--gnulib/import/m4/sys_select_h.m495
-rw-r--r--gnulib/import/select.c597
-rw-r--r--gnulib/import/sockets.c161
-rw-r--r--gnulib/import/sockets.h66
-rw-r--r--gnulib/import/sys_select.in.h326
-rw-r--r--gnulib/import/w32sock.h140
-rwxr-xr-xgnulib/update-gnulib.sh1
20 files changed, 2402 insertions, 26 deletions
diff --git a/gnulib/ChangeLog b/gnulib/ChangeLog
index 9d74f1ded86..223b66324ee 100644
--- a/gnulib/ChangeLog
+++ b/gnulib/ChangeLog
@@ -1,6 +1,16 @@
2021-06-08 Mike Frysinger <vapier@gentoo.org>
* update-gnulib.sh (IMPORTED_GNULIB_MODULES): Add netdb.
+ * aclocal.m4, config.in, configure, Makefile.gnulib.inc.in,
+ Makefile.in, import/Makefile.am, import/Makefile.in,
+ import/m4/gnulib-cache.m4, import/m4/gnulib-comp.m4: Regenerate.
+ * import/m4/select.m4, import/m4/socketlib.m4, import/m4/sockets.m4,
+ import/m4/sys_select_h.m4, import/select.c, import/sockets.c,
+ import/sockets.h, import/sys_select.in.h, import/w32sock.h: New files.
+
+2021-06-08 Mike Frysinger <vapier@gentoo.org>
+
+ * update-gnulib.sh (IMPORTED_GNULIB_MODULES): Add netdb.
* aclocal.m4, configure, Makefile.in, import/Makefile.am,
import/Makefile.in, import/m4/gnulib-cache.m4,
import/m4/gnulib-comp.m4: Regenerate.
diff --git a/gnulib/Makefile.gnulib.inc.in b/gnulib/Makefile.gnulib.inc.in
index 8cac19fca0d..822f892a189 100644
--- a/gnulib/Makefile.gnulib.inc.in
+++ b/gnulib/Makefile.gnulib.inc.in
@@ -40,5 +40,5 @@ LIBGNU = $(GNULIB_BUILDDIR)/import/libgnu.a
LIBGNU_EXTRA_LIBS = @FREXPL_LIBM@ @FREXP_LIBM@ @INET_NTOP_LIB@ \
@LIBTHREAD@ @LIB_GETLOGIN@ @LIB_GETRANDOM@ \
@LIB_HARD_LOCALE@ @LIB_MBRTOWC@ \
- @LIB_SETLOCALE_NULL@ @LIBINTL@
+ @LIB_SETLOCALE_NULL@ @LIBINTL@ @LIB_SELECT@ @LIBSOCKET@
INCGNU = -I$(srcdir)/../gnulib/import -I$(GNULIB_BUILDDIR)/import
diff --git a/gnulib/Makefile.in b/gnulib/Makefile.in
index be154720295..e1b9b34a794 100644
--- a/gnulib/Makefile.in
+++ b/gnulib/Makefile.in
@@ -231,9 +231,12 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/depstand.m4 \
$(top_srcdir)/import/m4/rewinddir.m4 \
$(top_srcdir)/import/m4/rmdir.m4 \
$(top_srcdir)/import/m4/save-cwd.m4 \
+ $(top_srcdir)/import/m4/select.m4 \
$(top_srcdir)/import/m4/setenv.m4 \
$(top_srcdir)/import/m4/setlocale_null.m4 \
$(top_srcdir)/import/m4/signal_h.m4 \
+ $(top_srcdir)/import/m4/socketlib.m4 \
+ $(top_srcdir)/import/m4/sockets.m4 \
$(top_srcdir)/import/m4/socklen.m4 \
$(top_srcdir)/import/m4/sockpfaf.m4 \
$(top_srcdir)/import/m4/ssize_t.m4 \
@@ -256,6 +259,7 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/depstand.m4 \
$(top_srcdir)/import/m4/strstr.m4 \
$(top_srcdir)/import/m4/strtok_r.m4 \
$(top_srcdir)/import/m4/sys_random_h.m4 \
+ $(top_srcdir)/import/m4/sys_select_h.m4 \
$(top_srcdir)/import/m4/sys_socket_h.m4 \
$(top_srcdir)/import/m4/sys_stat_h.m4 \
$(top_srcdir)/import/m4/sys_time_h.m4 \
@@ -680,6 +684,7 @@ GNULIB_POWF = @GNULIB_POWF@
GNULIB_PREAD = @GNULIB_PREAD@
GNULIB_PRINTF = @GNULIB_PRINTF@
GNULIB_PRINTF_POSIX = @GNULIB_PRINTF_POSIX@
+GNULIB_PSELECT = @GNULIB_PSELECT@
GNULIB_PTHREAD_SIGMASK = @GNULIB_PTHREAD_SIGMASK@
GNULIB_PTSNAME = @GNULIB_PTSNAME@
GNULIB_PTSNAME_R = @GNULIB_PTSNAME_R@
@@ -720,6 +725,7 @@ GNULIB_RPMATCH = @GNULIB_RPMATCH@
GNULIB_SCANDIR = @GNULIB_SCANDIR@
GNULIB_SCANF = @GNULIB_SCANF@
GNULIB_SECURE_GETENV = @GNULIB_SECURE_GETENV@
+GNULIB_SELECT = @GNULIB_SELECT@
GNULIB_SEND = @GNULIB_SEND@
GNULIB_SENDTO = @GNULIB_SENDTO@
GNULIB_SETENV = @GNULIB_SETENV@
@@ -1088,6 +1094,7 @@ HAVE_POSIX_OPENPT = @HAVE_POSIX_OPENPT@
HAVE_POSIX_SIGNALBLOCKING = @HAVE_POSIX_SIGNALBLOCKING@
HAVE_POWF = @HAVE_POWF@
HAVE_PREAD = @HAVE_PREAD@
+HAVE_PSELECT = @HAVE_PSELECT@
HAVE_PTHREAD_SIGMASK = @HAVE_PTHREAD_SIGMASK@
HAVE_PTSNAME = @HAVE_PTSNAME@
HAVE_PTSNAME_R = @HAVE_PTSNAME_R@
@@ -1161,6 +1168,7 @@ HAVE_SYS_INTTYPES_H = @HAVE_SYS_INTTYPES_H@
HAVE_SYS_LOADAVG_H = @HAVE_SYS_LOADAVG_H@
HAVE_SYS_PARAM_H = @HAVE_SYS_PARAM_H@
HAVE_SYS_RANDOM_H = @HAVE_SYS_RANDOM_H@
+HAVE_SYS_SELECT_H = @HAVE_SYS_SELECT_H@
HAVE_SYS_SOCKET_H = @HAVE_SYS_SOCKET_H@
HAVE_SYS_TIME_H = @HAVE_SYS_TIME_H@
HAVE_SYS_TYPES_H = @HAVE_SYS_TYPES_H@
@@ -1244,6 +1252,7 @@ LIBOBJS = @LIBOBJS@
LIBPMULTITHREAD = @LIBPMULTITHREAD@
LIBPTHREAD = @LIBPTHREAD@
LIBS = @LIBS@
+LIBSOCKET = @LIBSOCKET@
LIBSTDTHREAD = @LIBSTDTHREAD@
LIBTHREAD = @LIBTHREAD@
LIB_CLOCK_GETTIME = @LIB_CLOCK_GETTIME@
@@ -1252,6 +1261,7 @@ LIB_GETRANDOM = @LIB_GETRANDOM@
LIB_HARD_LOCALE = @LIB_HARD_LOCALE@
LIB_MBRTOWC = @LIB_MBRTOWC@
LIB_SCHED_YIELD = @LIB_SCHED_YIELD@
+LIB_SELECT = @LIB_SELECT@
LIB_SETLOCALE_NULL = @LIB_SETLOCALE_NULL@
LIMITS_H = @LIMITS_H@
LN_S = @LN_S@
@@ -1291,6 +1301,7 @@ NEXT_AS_FIRST_DIRECTIVE_STDLIB_H = @NEXT_AS_FIRST_DIRECTIVE_STDLIB_H@
NEXT_AS_FIRST_DIRECTIVE_STRINGS_H = @NEXT_AS_FIRST_DIRECTIVE_STRINGS_H@
NEXT_AS_FIRST_DIRECTIVE_STRING_H = @NEXT_AS_FIRST_DIRECTIVE_STRING_H@
NEXT_AS_FIRST_DIRECTIVE_SYS_RANDOM_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_RANDOM_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_SELECT_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_SELECT_H@
NEXT_AS_FIRST_DIRECTIVE_SYS_SOCKET_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_SOCKET_H@
NEXT_AS_FIRST_DIRECTIVE_SYS_STAT_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_STAT_H@
NEXT_AS_FIRST_DIRECTIVE_SYS_TIME_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_TIME_H@
@@ -1321,6 +1332,7 @@ NEXT_STDLIB_H = @NEXT_STDLIB_H@
NEXT_STRINGS_H = @NEXT_STRINGS_H@
NEXT_STRING_H = @NEXT_STRING_H@
NEXT_SYS_RANDOM_H = @NEXT_SYS_RANDOM_H@
+NEXT_SYS_SELECT_H = @NEXT_SYS_SELECT_H@
NEXT_SYS_SOCKET_H = @NEXT_SYS_SOCKET_H@
NEXT_SYS_STAT_H = @NEXT_SYS_STAT_H@
NEXT_SYS_TIME_H = @NEXT_SYS_TIME_H@
@@ -1514,6 +1526,7 @@ REPLACE_POPEN = @REPLACE_POPEN@
REPLACE_POSIX_MEMALIGN = @REPLACE_POSIX_MEMALIGN@
REPLACE_PREAD = @REPLACE_PREAD@
REPLACE_PRINTF = @REPLACE_PRINTF@
+REPLACE_PSELECT = @REPLACE_PSELECT@
REPLACE_PTHREAD_SIGMASK = @REPLACE_PTHREAD_SIGMASK@
REPLACE_PTSNAME = @REPLACE_PTSNAME@
REPLACE_PTSNAME_R = @REPLACE_PTSNAME_R@
@@ -1539,6 +1552,7 @@ REPLACE_RMDIR = @REPLACE_RMDIR@
REPLACE_ROUND = @REPLACE_ROUND@
REPLACE_ROUNDF = @REPLACE_ROUNDF@
REPLACE_ROUNDL = @REPLACE_ROUNDL@
+REPLACE_SELECT = @REPLACE_SELECT@
REPLACE_SETENV = @REPLACE_SETENV@
REPLACE_SETLOCALE = @REPLACE_SETLOCALE@
REPLACE_SETSTATE = @REPLACE_SETSTATE@
diff --git a/gnulib/aclocal.m4 b/gnulib/aclocal.m4
index 96f7dc60af7..83780b641ac 100644
--- a/gnulib/aclocal.m4
+++ b/gnulib/aclocal.m4
@@ -1304,9 +1304,12 @@ m4_include([import/m4/rename.m4])
m4_include([import/m4/rewinddir.m4])
m4_include([import/m4/rmdir.m4])
m4_include([import/m4/save-cwd.m4])
+m4_include([import/m4/select.m4])
m4_include([import/m4/setenv.m4])
m4_include([import/m4/setlocale_null.m4])
m4_include([import/m4/signal_h.m4])
+m4_include([import/m4/socketlib.m4])
+m4_include([import/m4/sockets.m4])
m4_include([import/m4/socklen.m4])
m4_include([import/m4/sockpfaf.m4])
m4_include([import/m4/ssize_t.m4])
@@ -1329,6 +1332,7 @@ m4_include([import/m4/strnlen.m4])
m4_include([import/m4/strstr.m4])
m4_include([import/m4/strtok_r.m4])
m4_include([import/m4/sys_random_h.m4])
+m4_include([import/m4/sys_select_h.m4])
m4_include([import/m4/sys_socket_h.m4])
m4_include([import/m4/sys_stat_h.m4])
m4_include([import/m4/sys_time_h.m4])
diff --git a/gnulib/config.in b/gnulib/config.in
index 15abb17cb44..a90ddd61182 100644
--- a/gnulib/config.in
+++ b/gnulib/config.in
@@ -303,6 +303,9 @@
/* Define to 1 when the gnulib module rmdir should be tested. */
#undef GNULIB_TEST_RMDIR
+/* Define to 1 when the gnulib module select should be tested. */
+#undef GNULIB_TEST_SELECT
+
/* Define to 1 when the gnulib module setenv should be tested. */
#undef GNULIB_TEST_SETENV
@@ -880,6 +883,9 @@
/* Define to 1 if you have the <sys/random.h> header file. */
#undef HAVE_SYS_RANDOM_H
+/* Define to 1 if you have the <sys/select.h> header file. */
+#undef HAVE_SYS_SELECT_H
+
/* Define to 1 if you have the <sys/socket.h> header file. */
#undef HAVE_SYS_SOCKET_H
@@ -1252,6 +1258,9 @@
'wchar_t'. */
#undef WCHAR_T_SUFFIX
+/* Define if WSAStartup is needed. */
+#undef WINDOWS_SOCKETS
+
/* Define to l, ll, u, ul, ull, etc., as suitable for constants of type
'wint_t'. */
#undef WINT_T_SUFFIX
diff --git a/gnulib/configure b/gnulib/configure
index d447121f4f1..73a38082960 100644
--- a/gnulib/configure
+++ b/gnulib/configure
@@ -776,6 +776,16 @@ GNULIB_SIGPROCMASK
GNULIB_SIGNAL_H_SIGPIPE
GNULIB_RAISE
GNULIB_PTHREAD_SIGMASK
+LIB_SELECT
+LIBSOCKET
+HAVE_SYS_SELECT_H
+NEXT_AS_FIRST_DIRECTIVE_SYS_SELECT_H
+NEXT_SYS_SELECT_H
+REPLACE_SELECT
+REPLACE_PSELECT
+HAVE_PSELECT
+GNULIB_SELECT
+GNULIB_PSELECT
GL_GENERATE_NETINET_IN_H_FALSE
GL_GENERATE_NETINET_IN_H_TRUE
NETINET_IN_H
@@ -3783,6 +3793,7 @@ as_fn_append ac_func_list " openat"
as_fn_append ac_func_list " pipe"
as_fn_append ac_func_list " readlink"
as_fn_append ac_func_list " link"
+as_fn_append ac_header_list " sys/select.h"
as_fn_append ac_func_list " setenv"
as_fn_append ac_func_list " strerror_r"
as_fn_append ac_func_list " __xpg_strerror_r"
@@ -6813,6 +6824,7 @@ fi
# Code from module same-inode:
# Code from module save-cwd:
# Code from module scratch_buffer:
+ # Code from module select:
# Code from module setenv:
# Code from module setlocale-null:
# Code from module signal-h:
@@ -6820,6 +6832,8 @@ fi
# Code from module snippet/arg-nonnull:
# Code from module snippet/c++defs:
# Code from module snippet/warn-on-use:
+ # Code from module socketlib:
+ # Code from module sockets:
# Code from module socklen:
# Code from module ssize_t:
# Code from module stat:
@@ -6845,6 +6859,7 @@ fi
# Code from module strstr-simple:
# Code from module strtok_r:
# Code from module sys_random:
+ # Code from module sys_select:
# Code from module sys_socket:
# Code from module sys_stat:
# Code from module sys_time:
@@ -16475,6 +16490,409 @@ _ACEOF
+
+ GNULIB_PSELECT=0;
+ GNULIB_SELECT=0;
+ HAVE_PSELECT=1;
+ REPLACE_PSELECT=0;
+ REPLACE_SELECT=0;
+
+
+
+
+
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether <sys/select.h> is self-contained" >&5
+$as_echo_n "checking whether <sys/select.h> is self-contained... " >&6; }
+if ${gl_cv_header_sys_select_h_selfcontained+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <sys/select.h>
+int
+main ()
+{
+struct timeval b;
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ gl_cv_header_sys_select_h_selfcontained=yes
+else
+ gl_cv_header_sys_select_h_selfcontained=no
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ if test $gl_cv_header_sys_select_h_selfcontained = yes; then
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <sys/select.h>
+int
+main ()
+{
+int memset; int bzero;
+ ;
+ return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_compile "$LINENO"; then :
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <sys/select.h>
+int
+main ()
+{
+
+ #undef memset
+ #define memset nonexistent_memset
+ extern
+ #ifdef __cplusplus
+ "C"
+ #endif
+ void *memset (void *, int, unsigned long);
+ #undef bzero
+ #define bzero nonexistent_bzero
+ extern
+ #ifdef __cplusplus
+ "C"
+ #endif
+ void bzero (void *, unsigned long);
+ fd_set fds;
+ FD_ZERO (&fds);
+
+ ;
+ return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+
+else
+ gl_cv_header_sys_select_h_selfcontained=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+
+fi
+rm -f core conftest.err conftest.$ac_objext conftest.$ac_ext
+ fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_header_sys_select_h_selfcontained" >&5
+$as_echo "$gl_cv_header_sys_select_h_selfcontained" >&6; }
+
+
+
+
+
+
+
+
+
+ if test $gl_cv_have_include_next = yes; then
+ gl_cv_next_sys_select_h='<'sys/select.h'>'
+ else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking absolute name of <sys/select.h>" >&5
+$as_echo_n "checking absolute name of <sys/select.h>... " >&6; }
+if ${gl_cv_next_sys_select_h+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+
+ if test $ac_cv_header_sys_select_h = yes; then
+
+
+
+
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+#include <sys/select.h>
+_ACEOF
+ case "$host_os" in
+ aix*) gl_absname_cpp="$ac_cpp -C" ;;
+ *) gl_absname_cpp="$ac_cpp" ;;
+ esac
+
+ case "$host_os" in
+ mingw*)
+ gl_dirsep_regex='[/\\]'
+ ;;
+ *)
+ gl_dirsep_regex='\/'
+ ;;
+ esac
+ gl_make_literal_regex_sed='s,[]$^\\.*/[],\\&,g'
+ gl_header_literal_regex=`echo 'sys/select.h' \
+ | sed -e "$gl_make_literal_regex_sed"`
+ gl_absolute_header_sed="/${gl_dirsep_regex}${gl_header_literal_regex}/"'{
+ s/.*"\(.*'"${gl_dirsep_regex}${gl_header_literal_regex}"'\)".*/\1/
+ s|^/[^/]|//&|
+ p
+ q
+ }'
+
+ gl_cv_absolute_sys_select_h=`(eval "$gl_absname_cpp conftest.$ac_ext") 2>&5 |
+ sed -n "$gl_absolute_header_sed"`
+
+ gl_header=$gl_cv_absolute_sys_select_h
+ gl_cv_next_sys_select_h='"'$gl_header'"'
+ else
+ gl_cv_next_sys_select_h='<'sys/select.h'>'
+ fi
+
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_next_sys_select_h" >&5
+$as_echo "$gl_cv_next_sys_select_h" >&6; }
+ fi
+ NEXT_SYS_SELECT_H=$gl_cv_next_sys_select_h
+
+ if test $gl_cv_have_include_next = yes || test $gl_cv_have_include_next = buggy; then
+ # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include_next'
+ gl_next_as_first_directive='<'sys/select.h'>'
+ else
+ # INCLUDE_NEXT_AS_FIRST_DIRECTIVE='include'
+ gl_next_as_first_directive=$gl_cv_next_sys_select_h
+ fi
+ NEXT_AS_FIRST_DIRECTIVE_SYS_SELECT_H=$gl_next_as_first_directive
+
+
+
+
+ if test $ac_cv_header_sys_select_h = yes; then
+ HAVE_SYS_SELECT_H=1
+ else
+ HAVE_SYS_SELECT_H=0
+ fi
+
+
+
+
+
+ if test $ac_cv_header_sys_socket_h != yes; then
+ for ac_header in winsock2.h
+do :
+ ac_fn_c_check_header_mongrel "$LINENO" "winsock2.h" "ac_cv_header_winsock2_h" "$ac_includes_default"
+if test "x$ac_cv_header_winsock2_h" = xyes; then :
+ cat >>confdefs.h <<_ACEOF
+#define HAVE_WINSOCK2_H 1
+_ACEOF
+
+fi
+
+done
+
+ fi
+ if test "$ac_cv_header_winsock2_h" = yes; then
+ HAVE_WINSOCK2_H=1
+ UNISTD_H_HAVE_WINSOCK2_H=1
+ SYS_IOCTL_H_HAVE_WINSOCK2_H=1
+ else
+ HAVE_WINSOCK2_H=0
+ fi
+
+
+
+
+
+
+
+
+
+
+
+
+ if test $ac_cv_header_sys_socket_h != yes; then
+ for ac_header in winsock2.h
+do :
+ ac_fn_c_check_header_mongrel "$LINENO" "winsock2.h" "ac_cv_header_winsock2_h" "$ac_includes_default"
+if test "x$ac_cv_header_winsock2_h" = xyes; then :
+ cat >>confdefs.h <<_ACEOF
+#define HAVE_WINSOCK2_H 1
+_ACEOF
+
+fi
+
+done
+
+ fi
+ if test "$ac_cv_header_winsock2_h" = yes; then
+ HAVE_WINSOCK2_H=1
+ UNISTD_H_HAVE_WINSOCK2_H=1
+ SYS_IOCTL_H_HAVE_WINSOCK2_H=1
+ else
+ HAVE_WINSOCK2_H=0
+ fi
+
+ LIBSOCKET=
+ if test $HAVE_WINSOCK2_H = 1; then
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for WSAStartup" >&5
+$as_echo_n "checking for WSAStartup... " >&6; }
+if ${gl_cv_func_wsastartup+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+
+ gl_save_LIBS="$LIBS"
+ LIBS="$LIBS -lws2_32"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+#ifdef HAVE_WINSOCK2_H
+# include <winsock2.h>
+#endif
+int
+main ()
+{
+
+ WORD wVersionRequested = MAKEWORD(1, 1);
+ WSADATA wsaData;
+ int err = WSAStartup(wVersionRequested, &wsaData);
+ WSACleanup ();
+
+ ;
+ return 0;
+}
+
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ gl_cv_func_wsastartup=yes
+else
+ gl_cv_func_wsastartup=no
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ LIBS="$gl_save_LIBS"
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_wsastartup" >&5
+$as_echo "$gl_cv_func_wsastartup" >&6; }
+ if test "$gl_cv_func_wsastartup" = "yes"; then
+
+$as_echo "#define WINDOWS_SOCKETS 1" >>confdefs.h
+
+ LIBSOCKET='-lws2_32'
+ fi
+ else
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking for library containing setsockopt" >&5
+$as_echo_n "checking for library containing setsockopt... " >&6; }
+if ${gl_cv_lib_socket+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+
+ gl_cv_lib_socket=
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+extern
+#ifdef __cplusplus
+"C"
+#endif
+char setsockopt();
+int
+main ()
+{
+setsockopt();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+
+else
+ gl_save_LIBS="$LIBS"
+ LIBS="$gl_save_LIBS -lsocket"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+extern
+#ifdef __cplusplus
+"C"
+#endif
+char setsockopt();
+int
+main ()
+{
+setsockopt();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ gl_cv_lib_socket="-lsocket"
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ if test -z "$gl_cv_lib_socket"; then
+ LIBS="$gl_save_LIBS -lnetwork"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+extern
+#ifdef __cplusplus
+"C"
+#endif
+char setsockopt();
+int
+main ()
+{
+setsockopt();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ gl_cv_lib_socket="-lnetwork"
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ if test -z "$gl_cv_lib_socket"; then
+ LIBS="$gl_save_LIBS -lnet"
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+extern
+#ifdef __cplusplus
+"C"
+#endif
+char setsockopt();
+int
+main ()
+{
+setsockopt();
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+ gl_cv_lib_socket="-lnet"
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ fi
+ fi
+ LIBS="$gl_save_LIBS"
+
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ if test -z "$gl_cv_lib_socket"; then
+ gl_cv_lib_socket="none needed"
+ fi
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_lib_socket" >&5
+$as_echo "$gl_cv_lib_socket" >&6; }
+ if test "$gl_cv_lib_socket" != "none needed"; then
+ LIBSOCKET="$gl_cv_lib_socket"
+ fi
+ fi
+
+
+
+
+
+
+ :
+
+
ac_fn_c_check_decl "$LINENO" "setenv" "ac_cv_have_decl_setenv" "$ac_includes_default"
if test "x$ac_cv_have_decl_setenv" = xyes; then :
ac_have_decl=1
@@ -27598,6 +28016,188 @@ $as_echo "#define GNULIB_TEST_RMDIR 1" >>confdefs.h
+
+
+ if test "$ac_cv_header_winsock2_h" = yes; then
+ REPLACE_SELECT=1
+ else
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether select supports a 0 argument" >&5
+$as_echo_n "checking whether select supports a 0 argument... " >&6; }
+if ${gl_cv_func_select_supports0+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+
+ if test "$cross_compiling" = yes; then :
+
+ case "$host_os" in
+ # Guess no on Interix.
+ interix*) gl_cv_func_select_supports0="guessing no";;
+ # Guess yes otherwise.
+ *) gl_cv_func_select_supports0="guessing yes";;
+ esac
+
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+#include <sys/types.h>
+#include <sys/time.h>
+#if HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
+int main ()
+{
+ struct timeval timeout;
+ timeout.tv_sec = 0;
+ timeout.tv_usec = 5;
+ return select (0, (fd_set *)0, (fd_set *)0, (fd_set *)0, &timeout) < 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+ gl_cv_func_select_supports0=yes
+else
+ gl_cv_func_select_supports0=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+ conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_select_supports0" >&5
+$as_echo "$gl_cv_func_select_supports0" >&6; }
+ case "$gl_cv_func_select_supports0" in
+ *yes) ;;
+ *) REPLACE_SELECT=1 ;;
+ esac
+
+ { $as_echo "$as_me:${as_lineno-$LINENO}: checking whether select detects invalid fds" >&5
+$as_echo_n "checking whether select detects invalid fds... " >&6; }
+if ${gl_cv_func_select_detects_ebadf+:} false; then :
+ $as_echo_n "(cached) " >&6
+else
+
+ if test "$cross_compiling" = yes; then :
+
+ case "$host_os" in
+ # Guess yes on Linux systems.
+ linux-* | linux) gl_cv_func_select_detects_ebadf="guessing yes" ;;
+ # Guess yes on glibc systems.
+ *-gnu* | gnu*) gl_cv_func_select_detects_ebadf="guessing yes" ;;
+ # If we don't know, obey --enable-cross-guesses.
+ *) gl_cv_func_select_detects_ebadf="$gl_cross_guess_normal" ;;
+ esac
+
+else
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+#include <sys/types.h>
+#include <sys/time.h>
+#if HAVE_SYS_SELECT_H
+# include <sys/select.h>
+#endif
+#include <unistd.h>
+#include <errno.h>
+
+
+$gl_mda_defines
+
+int
+main ()
+{
+
+ fd_set set;
+ dup2(0, 16);
+ FD_ZERO(&set);
+ FD_SET(16, &set);
+ close(16);
+ struct timeval timeout;
+ timeout.tv_sec = 0;
+ timeout.tv_usec = 5;
+ return select (17, &set, NULL, NULL, &timeout) != -1 || errno != EBADF;
+
+ ;
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_run "$LINENO"; then :
+ gl_cv_func_select_detects_ebadf=yes
+else
+ gl_cv_func_select_detects_ebadf=no
+fi
+rm -f core *.core core.conftest.* gmon.out bb.out conftest$ac_exeext \
+ conftest.$ac_objext conftest.beam conftest.$ac_ext
+fi
+
+
+fi
+{ $as_echo "$as_me:${as_lineno-$LINENO}: result: $gl_cv_func_select_detects_ebadf" >&5
+$as_echo "$gl_cv_func_select_detects_ebadf" >&6; }
+ case $gl_cv_func_select_detects_ebadf in
+ *yes) ;;
+ *) REPLACE_SELECT=1 ;;
+ esac
+ fi
+
+ LIB_SELECT="$LIBSOCKET"
+ if test $REPLACE_SELECT = 1; then
+ case "$host_os" in
+ mingw*)
+ cat confdefs.h - <<_ACEOF >conftest.$ac_ext
+/* end confdefs.h. */
+
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+int
+main ()
+{
+ MsgWaitForMultipleObjects (0, NULL, 0, 0, 0);
+ return 0;
+}
+_ACEOF
+if ac_fn_c_try_link "$LINENO"; then :
+
+else
+ LIB_SELECT="$LIB_SELECT -luser32"
+fi
+rm -f core conftest.err conftest.$ac_objext \
+ conftest$ac_exeext conftest.$ac_ext
+ ;;
+ esac
+ fi
+
+
+ if test $REPLACE_SELECT = 1; then
+
+
+
+
+
+
+
+
+ gl_LIBOBJS="$gl_LIBOBJS select.$ac_objext"
+
+ fi
+
+
+
+
+
+ GNULIB_SELECT=1
+
+
+
+
+
+$as_echo "#define GNULIB_TEST_SELECT 1" >>confdefs.h
+
+
+
+
+
if test $ac_cv_func_setenv = no; then
HAVE_SETENV=0
else
@@ -28113,6 +28713,8 @@ fi
+
+
ac_fn_c_check_type "$LINENO" "socklen_t" "ac_cv_type_socklen_t" "
/* <sys/types.h> is not needed according to POSIX, but the
<sys/socket.h> in i386-unknown-freebsd4.10 and
@@ -29921,6 +30523,8 @@ $as_echo "$gl_cv_next_sys_random_h" >&6; }
+
+
if test $gl_cv_have_include_next = yes; then
gl_cv_next_sys_stat_h='<'sys/stat.h'>'
else
diff --git a/gnulib/import/Makefile.am b/gnulib/import/Makefile.am
index 2a11accc8d6..1ae25ac2805 100644
--- a/gnulib/import/Makefile.am
+++ b/gnulib/import/Makefile.am
@@ -63,6 +63,7 @@
# rawmemchr \
# readlink \
# rename \
+# select \
# setenv \
# signal-h \
# strchrnul \
@@ -1701,6 +1702,15 @@ EXTRA_DIST += malloc/scratch_buffer.h scratch_buffer.h
## end gnulib module scratch_buffer
+## begin gnulib module select
+
+
+EXTRA_DIST += select.c
+
+EXTRA_libgnu_a_SOURCES += select.c
+
+## end gnulib module select
+
## begin gnulib module setenv
@@ -1810,6 +1820,14 @@ EXTRA_DIST += warn-on-use.h
## end gnulib module snippet/warn-on-use
+## begin gnulib module sockets
+
+libgnu_a_SOURCES += sockets.h sockets.c
+
+EXTRA_DIST += w32sock.h
+
+## end gnulib module sockets
+
## begin gnulib module stat
@@ -2492,6 +2510,40 @@ EXTRA_DIST += sys_random.in.h
## end gnulib module sys_random
+## begin gnulib module sys_select
+
+BUILT_SOURCES += sys/select.h
+
+# We need the following in order to create <sys/select.h> when the system
+# doesn't have one that works with the given compiler.
+sys/select.h: sys_select.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(WARN_ON_USE_H)
+ $(AM_V_at)$(MKDIR_P) sys
+ $(AM_V_GEN)rm -f $@-t $@ && \
+ { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
+ sed -e 's|@''GUARD_PREFIX''@|GL|g' \
+ -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
+ -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
+ -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
+ -e 's|@''NEXT_SYS_SELECT_H''@|$(NEXT_SYS_SELECT_H)|g' \
+ -e 's|@''HAVE_SYS_SELECT_H''@|$(HAVE_SYS_SELECT_H)|g' \
+ -e 's/@''GNULIB_PSELECT''@/$(GNULIB_PSELECT)/g' \
+ -e 's/@''GNULIB_SELECT''@/$(GNULIB_SELECT)/g' \
+ -e 's|@''HAVE_WINSOCK2_H''@|$(HAVE_WINSOCK2_H)|g' \
+ -e 's|@''HAVE_PSELECT''@|$(HAVE_PSELECT)|g' \
+ -e 's|@''REPLACE_PSELECT''@|$(REPLACE_PSELECT)|g' \
+ -e 's|@''REPLACE_SELECT''@|$(REPLACE_SELECT)|g' \
+ -e '/definitions of _GL_FUNCDECL_RPL/r $(CXXDEFS_H)' \
+ -e '/definition of _GL_WARN_ON_USE/r $(WARN_ON_USE_H)' \
+ < $(srcdir)/sys_select.in.h; \
+ } > $@-t && \
+ mv $@-t $@
+MOSTLYCLEANFILES += sys/select.h sys/select.h-t
+MOSTLYCLEANDIRS += sys
+
+EXTRA_DIST += sys_select.in.h
+
+## end gnulib module sys_select
+
## begin gnulib module sys_socket
BUILT_SOURCES += sys/socket.h
diff --git a/gnulib/import/Makefile.in b/gnulib/import/Makefile.in
index 96606cf73f3..e9b52a7d4fc 100644
--- a/gnulib/import/Makefile.in
+++ b/gnulib/import/Makefile.in
@@ -77,6 +77,7 @@
# rawmemchr \
# readlink \
# rename \
+# select \
# setenv \
# signal-h \
# strchrnul \
@@ -294,9 +295,12 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/depstand.m4 \
$(top_srcdir)/import/m4/rewinddir.m4 \
$(top_srcdir)/import/m4/rmdir.m4 \
$(top_srcdir)/import/m4/save-cwd.m4 \
+ $(top_srcdir)/import/m4/select.m4 \
$(top_srcdir)/import/m4/setenv.m4 \
$(top_srcdir)/import/m4/setlocale_null.m4 \
$(top_srcdir)/import/m4/signal_h.m4 \
+ $(top_srcdir)/import/m4/socketlib.m4 \
+ $(top_srcdir)/import/m4/sockets.m4 \
$(top_srcdir)/import/m4/socklen.m4 \
$(top_srcdir)/import/m4/sockpfaf.m4 \
$(top_srcdir)/import/m4/ssize_t.m4 \
@@ -319,6 +323,7 @@ am__aclocal_m4_deps = $(top_srcdir)/../config/depstand.m4 \
$(top_srcdir)/import/m4/strstr.m4 \
$(top_srcdir)/import/m4/strtok_r.m4 \
$(top_srcdir)/import/m4/sys_random_h.m4 \
+ $(top_srcdir)/import/m4/sys_select_h.m4 \
$(top_srcdir)/import/m4/sys_socket_h.m4 \
$(top_srcdir)/import/m4/sys_stat_h.m4 \
$(top_srcdir)/import/m4/sys_time_h.m4 \
@@ -366,7 +371,7 @@ am_libgnu_a_OBJECTS = openat-proc.$(OBJEXT) basename-lgpl.$(OBJEXT) \
malloc/scratch_buffer_grow.$(OBJEXT) \
malloc/scratch_buffer_grow_preserve.$(OBJEXT) \
malloc/scratch_buffer_set_array_size.$(OBJEXT) \
- setlocale_null.$(OBJEXT) stat-time.$(OBJEXT) \
+ setlocale_null.$(OBJEXT) sockets.$(OBJEXT) stat-time.$(OBJEXT) \
strnlen1.$(OBJEXT) sys_socket.$(OBJEXT) tempname.$(OBJEXT) \
glthread/threadlib.$(OBJEXT) unistd.$(OBJEXT) \
dup-safer.$(OBJEXT) fd-safer.$(OBJEXT) pipe-safer.$(OBJEXT) \
@@ -781,6 +786,7 @@ GNULIB_POWF = @GNULIB_POWF@
GNULIB_PREAD = @GNULIB_PREAD@
GNULIB_PRINTF = @GNULIB_PRINTF@
GNULIB_PRINTF_POSIX = @GNULIB_PRINTF_POSIX@
+GNULIB_PSELECT = @GNULIB_PSELECT@
GNULIB_PTHREAD_SIGMASK = @GNULIB_PTHREAD_SIGMASK@
GNULIB_PTSNAME = @GNULIB_PTSNAME@
GNULIB_PTSNAME_R = @GNULIB_PTSNAME_R@
@@ -821,6 +827,7 @@ GNULIB_RPMATCH = @GNULIB_RPMATCH@
GNULIB_SCANDIR = @GNULIB_SCANDIR@
GNULIB_SCANF = @GNULIB_SCANF@
GNULIB_SECURE_GETENV = @GNULIB_SECURE_GETENV@
+GNULIB_SELECT = @GNULIB_SELECT@
GNULIB_SEND = @GNULIB_SEND@
GNULIB_SENDTO = @GNULIB_SENDTO@
GNULIB_SETENV = @GNULIB_SETENV@
@@ -1189,6 +1196,7 @@ HAVE_POSIX_OPENPT = @HAVE_POSIX_OPENPT@
HAVE_POSIX_SIGNALBLOCKING = @HAVE_POSIX_SIGNALBLOCKING@
HAVE_POWF = @HAVE_POWF@
HAVE_PREAD = @HAVE_PREAD@
+HAVE_PSELECT = @HAVE_PSELECT@
HAVE_PTHREAD_SIGMASK = @HAVE_PTHREAD_SIGMASK@
HAVE_PTSNAME = @HAVE_PTSNAME@
HAVE_PTSNAME_R = @HAVE_PTSNAME_R@
@@ -1262,6 +1270,7 @@ HAVE_SYS_INTTYPES_H = @HAVE_SYS_INTTYPES_H@
HAVE_SYS_LOADAVG_H = @HAVE_SYS_LOADAVG_H@
HAVE_SYS_PARAM_H = @HAVE_SYS_PARAM_H@
HAVE_SYS_RANDOM_H = @HAVE_SYS_RANDOM_H@
+HAVE_SYS_SELECT_H = @HAVE_SYS_SELECT_H@
HAVE_SYS_SOCKET_H = @HAVE_SYS_SOCKET_H@
HAVE_SYS_TIME_H = @HAVE_SYS_TIME_H@
HAVE_SYS_TYPES_H = @HAVE_SYS_TYPES_H@
@@ -1345,6 +1354,7 @@ LIBOBJS = @LIBOBJS@
LIBPMULTITHREAD = @LIBPMULTITHREAD@
LIBPTHREAD = @LIBPTHREAD@
LIBS = @LIBS@
+LIBSOCKET = @LIBSOCKET@
LIBSTDTHREAD = @LIBSTDTHREAD@
LIBTHREAD = @LIBTHREAD@
LIB_CLOCK_GETTIME = @LIB_CLOCK_GETTIME@
@@ -1353,6 +1363,7 @@ LIB_GETRANDOM = @LIB_GETRANDOM@
LIB_HARD_LOCALE = @LIB_HARD_LOCALE@
LIB_MBRTOWC = @LIB_MBRTOWC@
LIB_SCHED_YIELD = @LIB_SCHED_YIELD@
+LIB_SELECT = @LIB_SELECT@
LIB_SETLOCALE_NULL = @LIB_SETLOCALE_NULL@
LIMITS_H = @LIMITS_H@
LN_S = @LN_S@
@@ -1392,6 +1403,7 @@ NEXT_AS_FIRST_DIRECTIVE_STDLIB_H = @NEXT_AS_FIRST_DIRECTIVE_STDLIB_H@
NEXT_AS_FIRST_DIRECTIVE_STRINGS_H = @NEXT_AS_FIRST_DIRECTIVE_STRINGS_H@
NEXT_AS_FIRST_DIRECTIVE_STRING_H = @NEXT_AS_FIRST_DIRECTIVE_STRING_H@
NEXT_AS_FIRST_DIRECTIVE_SYS_RANDOM_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_RANDOM_H@
+NEXT_AS_FIRST_DIRECTIVE_SYS_SELECT_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_SELECT_H@
NEXT_AS_FIRST_DIRECTIVE_SYS_SOCKET_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_SOCKET_H@
NEXT_AS_FIRST_DIRECTIVE_SYS_STAT_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_STAT_H@
NEXT_AS_FIRST_DIRECTIVE_SYS_TIME_H = @NEXT_AS_FIRST_DIRECTIVE_SYS_TIME_H@
@@ -1422,6 +1434,7 @@ NEXT_STDLIB_H = @NEXT_STDLIB_H@
NEXT_STRINGS_H = @NEXT_STRINGS_H@
NEXT_STRING_H = @NEXT_STRING_H@
NEXT_SYS_RANDOM_H = @NEXT_SYS_RANDOM_H@
+NEXT_SYS_SELECT_H = @NEXT_SYS_SELECT_H@
NEXT_SYS_SOCKET_H = @NEXT_SYS_SOCKET_H@
NEXT_SYS_STAT_H = @NEXT_SYS_STAT_H@
NEXT_SYS_TIME_H = @NEXT_SYS_TIME_H@
@@ -1615,6 +1628,7 @@ REPLACE_POPEN = @REPLACE_POPEN@
REPLACE_POSIX_MEMALIGN = @REPLACE_POSIX_MEMALIGN@
REPLACE_PREAD = @REPLACE_PREAD@
REPLACE_PRINTF = @REPLACE_PRINTF@
+REPLACE_PSELECT = @REPLACE_PSELECT@
REPLACE_PTHREAD_SIGMASK = @REPLACE_PTHREAD_SIGMASK@
REPLACE_PTSNAME = @REPLACE_PTSNAME@
REPLACE_PTSNAME_R = @REPLACE_PTSNAME_R@
@@ -1640,6 +1654,7 @@ REPLACE_RMDIR = @REPLACE_RMDIR@
REPLACE_ROUND = @REPLACE_ROUND@
REPLACE_ROUNDF = @REPLACE_ROUNDF@
REPLACE_ROUNDL = @REPLACE_ROUNDL@
+REPLACE_SELECT = @REPLACE_SELECT@
REPLACE_SETENV = @REPLACE_SETENV@
REPLACE_SETLOCALE = @REPLACE_SETLOCALE@
REPLACE_SETSTATE = @REPLACE_SETSTATE@
@@ -1831,14 +1846,15 @@ EXTRA_DIST = m4/gnulib-cache.m4 alloca.c alloca.in.h arpa_inet.in.h \
rawmemchr.c rawmemchr.valgrind dirent-private.h readdir.c \
readlink.c realloc.c rename.c dirent-private.h rewinddir.c \
rmdir.c same-inode.h save-cwd.h malloc/scratch_buffer.h \
- scratch_buffer.h setenv.c setlocale-lock.c setlocale_null.h \
- windows-initguard.h signal.in.h _Noreturn.h arg-nonnull.h \
- c++defs.h warn-on-use.h stat-w32.c stat-w32.h stat.c \
- stat-time.h stdalign.in.h stdbool.in.h stddef.in.h stdint.in.h \
- stdio.in.h stdlib.in.h strchrnul.c strchrnul.valgrind strdup.c \
- streq.h strerror.c strerror-override.c strerror-override.h \
- strerror_r.c string.in.h strings.in.h strnlen.c strstr.c \
- str-two-way.h strstr.c strtok_r.c sys_random.in.h \
+ scratch_buffer.h select.c setenv.c setlocale-lock.c \
+ setlocale_null.h windows-initguard.h signal.in.h _Noreturn.h \
+ arg-nonnull.h c++defs.h warn-on-use.h w32sock.h stat-w32.c \
+ stat-w32.h stat.c stat-time.h stdalign.in.h stdbool.in.h \
+ stddef.in.h stdint.in.h stdio.in.h stdlib.in.h strchrnul.c \
+ strchrnul.valgrind strdup.c streq.h strerror.c \
+ strerror-override.c strerror-override.h strerror_r.c \
+ string.in.h strings.in.h strnlen.c strstr.c str-two-way.h \
+ strstr.c strtok_r.c sys_random.in.h sys_select.in.h \
sys_socket.in.h sys_stat.in.h sys_time.in.h sys_types.in.h \
sys_uio.in.h tempname.h time.in.h time_r.c unistd.in.h \
unistd--.h unistd-safer.h unsetenv.c \
@@ -1852,9 +1868,9 @@ BUILT_SOURCES = $(ALLOCA_H) arpa/inet.h ctype.h dirent.h $(ERRNO_H) \
fcntl.h $(FLOAT_H) $(FNMATCH_H) $(GLOB_H) inttypes.h \
$(LIMITS_H) locale.h math.h netdb.h $(NETINET_IN_H) signal.h \
$(STDALIGN_H) $(STDBOOL_H) $(STDDEF_H) $(STDINT_H) stdio.h \
- stdlib.h string.h strings.h sys/random.h sys/socket.h \
- sys/stat.h sys/time.h sys/types.h sys/uio.h time.h unistd.h \
- wchar.h wctype.h
+ stdlib.h string.h strings.h sys/random.h sys/select.h \
+ sys/socket.h sys/stat.h sys/time.h sys/types.h sys/uio.h \
+ time.h unistd.h wchar.h wctype.h
SUFFIXES =
MOSTLYCLEANFILES = core *.stackdump alloca.h alloca.h-t arpa/inet.h \
arpa/inet.h-t ctype.h ctype.h-t dirent.h dirent.h-t errno.h \
@@ -1865,11 +1881,12 @@ MOSTLYCLEANFILES = core *.stackdump alloca.h alloca.h-t arpa/inet.h \
stdalign.h stdalign.h-t stdbool.h stdbool.h-t stddef.h \
stddef.h-t stdint.h stdint.h-t stdio.h stdio.h-t stdlib.h \
stdlib.h-t string.h string.h-t strings.h strings.h-t \
- sys/random.h sys/random.h-t sys/socket.h sys/socket.h-t \
- sys/stat.h sys/stat.h-t sys/time.h sys/time.h-t sys/types.h \
- sys/types.h-t sys/uio.h sys/uio.h-t time.h time.h-t unistd.h \
- unistd.h-t wchar.h wchar.h-t wctype.h wctype.h-t
-MOSTLYCLEANDIRS = arpa netinet sys sys sys sys
+ sys/random.h sys/random.h-t sys/select.h sys/select.h-t \
+ sys/socket.h sys/socket.h-t sys/stat.h sys/stat.h-t sys/time.h \
+ sys/time.h-t sys/types.h sys/types.h-t sys/uio.h sys/uio.h-t \
+ time.h time.h-t unistd.h unistd.h-t wchar.h wchar.h-t wctype.h \
+ wctype.h-t
+MOSTLYCLEANDIRS = arpa netinet sys sys sys sys sys
CLEANFILES =
DISTCLEANFILES =
MAINTAINERCLEANFILES =
@@ -1885,9 +1902,9 @@ libgnu_a_SOURCES = openat-priv.h openat-proc.c basename-lgpl.c \
malloc/scratch_buffer_grow.c \
malloc/scratch_buffer_grow_preserve.c \
malloc/scratch_buffer_set_array_size.c setlocale_null.c \
- stat-time.c strnlen1.h strnlen1.c sys_socket.c tempname.c \
- glthread/threadlib.c unistd.c dup-safer.c fd-safer.c \
- pipe-safer.c wctype-h.c
+ sockets.h sockets.c stat-time.c strnlen1.h strnlen1.c \
+ sys_socket.c tempname.c glthread/threadlib.c unistd.c \
+ dup-safer.c fd-safer.c pipe-safer.c wctype-h.c
libgnu_a_LIBADD = $(gl_LIBOBJS) @ALLOCA@
libgnu_a_DEPENDENCIES = $(gl_LIBOBJS) @ALLOCA@
EXTRA_libgnu_a_SOURCES = alloca.c btowc.c canonicalize-lgpl.c \
@@ -1904,11 +1921,11 @@ EXTRA_libgnu_a_SOURCES = alloca.c btowc.c canonicalize-lgpl.c \
memmem.c mempcpy.c memrchr.c mkdir.c mkdtemp.c mkostemp.c \
msvc-inval.c msvc-nothrow.c open.c openat.c opendir.c pipe.c \
rawmemchr.c readdir.c readlink.c realloc.c rename.c \
- rewinddir.c rmdir.c setenv.c setlocale-lock.c stat-w32.c \
- stat.c strchrnul.c strdup.c strerror.c strerror-override.c \
- strerror_r.c strnlen.c strstr.c strstr.c strtok_r.c time_r.c \
- unsetenv.c windows-mutex.c windows-once.c windows-recmutex.c \
- windows-rwlock.c wmemchr.c wmempcpy.c
+ rewinddir.c rmdir.c select.c setenv.c setlocale-lock.c \
+ stat-w32.c stat.c strchrnul.c strdup.c strerror.c \
+ strerror-override.c strerror_r.c strnlen.c strstr.c strstr.c \
+ strtok_r.c time_r.c unsetenv.c windows-mutex.c windows-once.c \
+ windows-recmutex.c windows-rwlock.c wmemchr.c wmempcpy.c
# Use this preprocessor expression to decide whether #include_next works.
# Do not rely on a 'configure'-time test for this, since the expression
@@ -2111,9 +2128,11 @@ distclean-compile:
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/rewinddir.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/rmdir.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/save-cwd.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/select.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/setenv.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/setlocale-lock.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/setlocale_null.Po@am__quote@
+@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/sockets.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/stat-time.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/stat-w32.Po@am__quote@
@AMDEP_TRUE@@am__include@ @am__quote@./$(DEPDIR)/stat.Po@am__quote@
@@ -3539,6 +3558,30 @@ sys/random.h: sys_random.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(ARG_N
} > $@-t && \
mv -f $@-t $@
+# We need the following in order to create <sys/select.h> when the system
+# doesn't have one that works with the given compiler.
+sys/select.h: sys_select.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(WARN_ON_USE_H)
+ $(AM_V_at)$(MKDIR_P) sys
+ $(AM_V_GEN)rm -f $@-t $@ && \
+ { echo '/* DO NOT EDIT! GENERATED AUTOMATICALLY! */'; \
+ sed -e 's|@''GUARD_PREFIX''@|GL|g' \
+ -e 's|@''INCLUDE_NEXT''@|$(INCLUDE_NEXT)|g' \
+ -e 's|@''PRAGMA_SYSTEM_HEADER''@|@PRAGMA_SYSTEM_HEADER@|g' \
+ -e 's|@''PRAGMA_COLUMNS''@|@PRAGMA_COLUMNS@|g' \
+ -e 's|@''NEXT_SYS_SELECT_H''@|$(NEXT_SYS_SELECT_H)|g' \
+ -e 's|@''HAVE_SYS_SELECT_H''@|$(HAVE_SYS_SELECT_H)|g' \
+ -e 's/@''GNULIB_PSELECT''@/$(GNULIB_PSELECT)/g' \
+ -e 's/@''GNULIB_SELECT''@/$(GNULIB_SELECT)/g' \
+ -e 's|@''HAVE_WINSOCK2_H''@|$(HAVE_WINSOCK2_H)|g' \
+ -e 's|@''HAVE_PSELECT''@|$(HAVE_PSELECT)|g' \
+ -e 's|@''REPLACE_PSELECT''@|$(REPLACE_PSELECT)|g' \
+ -e 's|@''REPLACE_SELECT''@|$(REPLACE_SELECT)|g' \
+ -e '/definitions of _GL_FUNCDECL_RPL/r $(CXXDEFS_H)' \
+ -e '/definition of _GL_WARN_ON_USE/r $(WARN_ON_USE_H)' \
+ < $(srcdir)/sys_select.in.h; \
+ } > $@-t && \
+ mv $@-t $@
+
# We need the following in order to create <sys/socket.h> when the system
# doesn't have one that works with the given compiler.
sys/socket.h: sys_socket.in.h $(top_builddir)/config.status $(CXXDEFS_H) $(WARN_ON_USE_H) $(ARG_NONNULL_H)
diff --git a/gnulib/import/m4/gnulib-cache.m4 b/gnulib/import/m4/gnulib-cache.m4
index 54ee8ca68bb..689ebd3e5ba 100644
--- a/gnulib/import/m4/gnulib-cache.m4
+++ b/gnulib/import/m4/gnulib-cache.m4
@@ -68,6 +68,7 @@
# rawmemchr \
# readlink \
# rename \
+# select \
# setenv \
# signal-h \
# strchrnul \
@@ -115,6 +116,7 @@ gl_MODULES([
rawmemchr
readlink
rename
+ select
setenv
signal-h
strchrnul
diff --git a/gnulib/import/m4/gnulib-comp.m4 b/gnulib/import/m4/gnulib-comp.m4
index 0bf0d171ee4..03eff90b6b2 100644
--- a/gnulib/import/m4/gnulib-comp.m4
+++ b/gnulib/import/m4/gnulib-comp.m4
@@ -172,6 +172,7 @@ AC_DEFUN([gl_EARLY],
# Code from module same-inode:
# Code from module save-cwd:
# Code from module scratch_buffer:
+ # Code from module select:
# Code from module setenv:
# Code from module setlocale-null:
# Code from module signal-h:
@@ -179,6 +180,8 @@ AC_DEFUN([gl_EARLY],
# Code from module snippet/arg-nonnull:
# Code from module snippet/c++defs:
# Code from module snippet/warn-on-use:
+ # Code from module socketlib:
+ # Code from module sockets:
# Code from module socklen:
# Code from module ssize_t:
# Code from module stat:
@@ -204,6 +207,7 @@ AC_DEFUN([gl_EARLY],
# Code from module strstr-simple:
# Code from module strtok_r:
# Code from module sys_random:
+ # Code from module sys_select:
# Code from module sys_socket:
# Code from module sys_stat:
# Code from module sys_time:
@@ -664,6 +668,11 @@ AC_DEFUN([gl_INIT],
fi
gl_UNISTD_MODULE_INDICATOR([rmdir])
gl_SAVE_CWD
+ gl_FUNC_SELECT
+ if test $REPLACE_SELECT = 1; then
+ AC_LIBOBJ([select])
+ fi
+ gl_SYS_SELECT_MODULE_INDICATOR([select])
gl_FUNC_SETENV
if test $HAVE_SETENV = 0 || test $REPLACE_SETENV = 1; then
AC_LIBOBJ([setenv])
@@ -676,6 +685,8 @@ AC_DEFUN([gl_INIT],
fi
gl_LOCALE_MODULE_INDICATOR([setlocale_null])
gl_SIGNAL_H
+ AC_REQUIRE([gl_SOCKETLIB])
+ AC_REQUIRE([gl_SOCKETS])
gl_TYPE_SOCKLEN_T
gt_TYPE_SSIZE_T
gl_FUNC_STAT
@@ -754,6 +765,8 @@ AC_DEFUN([gl_INIT],
gl_STRING_MODULE_INDICATOR([strtok_r])
gl_HEADER_SYS_RANDOM
AC_PROG_MKDIR_P
+ AC_REQUIRE([gl_HEADER_SYS_SELECT])
+ AC_PROG_MKDIR_P
AC_REQUIRE([gl_HEADER_SYS_SOCKET])
AC_PROG_MKDIR_P
gl_HEADER_SYS_STAT_H
@@ -1127,11 +1140,14 @@ AC_DEFUN([gl_FILE_LIST], [
lib/save-cwd.c
lib/save-cwd.h
lib/scratch_buffer.h
+ lib/select.c
lib/setenv.c
lib/setlocale-lock.c
lib/setlocale_null.c
lib/setlocale_null.h
lib/signal.in.h
+ lib/sockets.c
+ lib/sockets.h
lib/stat-time.c
lib/stat-time.h
lib/stat-w32.c
@@ -1161,6 +1177,7 @@ AC_DEFUN([gl_FILE_LIST], [
lib/strstr.c
lib/strtok_r.c
lib/sys_random.in.h
+ lib/sys_select.in.h
lib/sys_socket.c
lib/sys_socket.in.h
lib/sys_stat.in.h
@@ -1177,6 +1194,7 @@ AC_DEFUN([gl_FILE_LIST], [
lib/unistd.in.h
lib/unsetenv.c
lib/verify.h
+ lib/w32sock.h
lib/warn-on-use.h
lib/wchar.in.h
lib/wctype-h.c
@@ -1313,9 +1331,12 @@ AC_DEFUN([gl_FILE_LIST], [
m4/rewinddir.m4
m4/rmdir.m4
m4/save-cwd.m4
+ m4/select.m4
m4/setenv.m4
m4/setlocale_null.m4
m4/signal_h.m4
+ m4/socketlib.m4
+ m4/sockets.m4
m4/socklen.m4
m4/sockpfaf.m4
m4/ssize_t.m4
@@ -1338,6 +1359,7 @@ AC_DEFUN([gl_FILE_LIST], [
m4/strstr.m4
m4/strtok_r.m4
m4/sys_random_h.m4
+ m4/sys_select_h.m4
m4/sys_socket_h.m4
m4/sys_stat_h.m4
m4/sys_time_h.m4
diff --git a/gnulib/import/m4/select.m4 b/gnulib/import/m4/select.m4
new file mode 100644
index 00000000000..c7409d2041d
--- /dev/null
+++ b/gnulib/import/m4/select.m4
@@ -0,0 +1,117 @@
+# select.m4 serial 12
+dnl Copyright (C) 2009-2021 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_FUNC_SELECT],
+[
+ AC_REQUIRE([gl_HEADER_SYS_SELECT])
+ AC_REQUIRE([AC_C_RESTRICT])
+ AC_REQUIRE([AC_CANONICAL_HOST]) dnl for cross-compiles
+ AC_REQUIRE([gl_SOCKETS])
+ if test "$ac_cv_header_winsock2_h" = yes; then
+ REPLACE_SELECT=1
+ else
+ dnl On Interix 3.5, select(0, NULL, NULL, NULL, timeout) fails with error
+ dnl EFAULT.
+ AC_CHECK_HEADERS_ONCE([sys/select.h])
+ AC_CACHE_CHECK([whether select supports a 0 argument],
+ [gl_cv_func_select_supports0],
+ [
+ AC_RUN_IFELSE([AC_LANG_SOURCE([[
+#include <sys/types.h>
+#include <sys/time.h>
+#if HAVE_SYS_SELECT_H
+#include <sys/select.h>
+#endif
+int main ()
+{
+ struct timeval timeout;
+ timeout.tv_sec = 0;
+ timeout.tv_usec = 5;
+ return select (0, (fd_set *)0, (fd_set *)0, (fd_set *)0, &timeout) < 0;
+}]])], [gl_cv_func_select_supports0=yes], [gl_cv_func_select_supports0=no],
+ [
+changequote(,)dnl
+ case "$host_os" in
+ # Guess no on Interix.
+ interix*) gl_cv_func_select_supports0="guessing no";;
+ # Guess yes otherwise.
+ *) gl_cv_func_select_supports0="guessing yes";;
+ esac
+changequote([,])dnl
+ ])
+ ])
+ case "$gl_cv_func_select_supports0" in
+ *yes) ;;
+ *) REPLACE_SELECT=1 ;;
+ esac
+
+ dnl On FreeBSD 8.2, select() doesn't always reject bad fds.
+ AC_CACHE_CHECK([whether select detects invalid fds],
+ [gl_cv_func_select_detects_ebadf],
+ [
+ AC_RUN_IFELSE([AC_LANG_PROGRAM([[
+#include <sys/types.h>
+#include <sys/time.h>
+#if HAVE_SYS_SELECT_H
+# include <sys/select.h>
+#endif
+#include <unistd.h>
+#include <errno.h>
+]GL_MDA_DEFINES],
+[[
+ fd_set set;
+ dup2(0, 16);
+ FD_ZERO(&set);
+ FD_SET(16, &set);
+ close(16);
+ struct timeval timeout;
+ timeout.tv_sec = 0;
+ timeout.tv_usec = 5;
+ return select (17, &set, NULL, NULL, &timeout) != -1 || errno != EBADF;
+]])], [gl_cv_func_select_detects_ebadf=yes],
+ [gl_cv_func_select_detects_ebadf=no],
+ [
+ case "$host_os" in
+ # Guess yes on Linux systems.
+ linux-* | linux) gl_cv_func_select_detects_ebadf="guessing yes" ;;
+ # Guess yes on glibc systems.
+ *-gnu* | gnu*) gl_cv_func_select_detects_ebadf="guessing yes" ;;
+ # If we don't know, obey --enable-cross-guesses.
+ *) gl_cv_func_select_detects_ebadf="$gl_cross_guess_normal" ;;
+ esac
+ ])
+ ])
+ case $gl_cv_func_select_detects_ebadf in
+ *yes) ;;
+ *) REPLACE_SELECT=1 ;;
+ esac
+ fi
+
+ dnl Determine the needed libraries.
+ LIB_SELECT="$LIBSOCKET"
+ if test $REPLACE_SELECT = 1; then
+ case "$host_os" in
+ mingw*)
+ dnl On the MSVC platform, the function MsgWaitForMultipleObjects
+ dnl (used in lib/select.c) requires linking with -luser32. On mingw,
+ dnl it is implicit.
+ AC_LINK_IFELSE(
+ [AC_LANG_SOURCE([[
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+int
+main ()
+{
+ MsgWaitForMultipleObjects (0, NULL, 0, 0, 0);
+ return 0;
+}]])],
+ [],
+ [LIB_SELECT="$LIB_SELECT -luser32"])
+ ;;
+ esac
+ fi
+ AC_SUBST([LIB_SELECT])
+])
diff --git a/gnulib/import/m4/socketlib.m4 b/gnulib/import/m4/socketlib.m4
new file mode 100644
index 00000000000..0f8a0829c7b
--- /dev/null
+++ b/gnulib/import/m4/socketlib.m4
@@ -0,0 +1,96 @@
+# socketlib.m4 serial 3
+dnl Copyright (C) 2008-2021 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+dnl gl_SOCKETLIB
+dnl Determines the library to use for socket functions.
+dnl Sets and AC_SUBSTs LIBSOCKET.
+
+AC_DEFUN([gl_SOCKETLIB],
+[
+ gl_PREREQ_SYS_H_WINSOCK2 dnl for HAVE_WINSOCK2_H
+ LIBSOCKET=
+ if test $HAVE_WINSOCK2_H = 1; then
+ dnl Native Windows API (not Cygwin).
+ dnl If the function WSAStartup exists (declared in <winsock2.h> and
+ dnl defined through -lws2_32), we need to call it.
+ AC_CACHE_CHECK([for WSAStartup],
+ [gl_cv_func_wsastartup], [
+ gl_save_LIBS="$LIBS"
+ LIBS="$LIBS -lws2_32"
+ AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([[
+#ifdef HAVE_WINSOCK2_H
+# include <winsock2.h>
+#endif]], [[
+ WORD wVersionRequested = MAKEWORD(1, 1);
+ WSADATA wsaData;
+ int err = WSAStartup(wVersionRequested, &wsaData);
+ WSACleanup ();
+ ]])
+ ],
+ [gl_cv_func_wsastartup=yes],
+ [gl_cv_func_wsastartup=no])
+ LIBS="$gl_save_LIBS"
+ ])
+ if test "$gl_cv_func_wsastartup" = "yes"; then
+ AC_DEFINE([WINDOWS_SOCKETS], [1], [Define if WSAStartup is needed.])
+ LIBSOCKET='-lws2_32'
+ fi
+ else
+ dnl Unix API.
+ dnl Solaris has most socket functions in libsocket.
+ dnl Haiku has most socket functions in libnetwork.
+ dnl BeOS has most socket functions in libnet.
+ dnl On HP-UX, do NOT link with libxnet, because in 64-bit mode this would
+ dnl break code (e.g. in libraries) that invokes accept(), getpeername(),
+ dnl getsockname(), getsockopt(), or recvfrom() with a 32-bit addrlen. See
+ dnl "man xopen_networking" for details.
+ AC_CACHE_CHECK([for library containing setsockopt], [gl_cv_lib_socket], [
+ gl_cv_lib_socket=
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern
+#ifdef __cplusplus
+"C"
+#endif
+char setsockopt();]], [[setsockopt();]])],
+ [],
+ [gl_save_LIBS="$LIBS"
+ LIBS="$gl_save_LIBS -lsocket"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern
+#ifdef __cplusplus
+"C"
+#endif
+char setsockopt();]], [[setsockopt();]])],
+ [gl_cv_lib_socket="-lsocket"])
+ if test -z "$gl_cv_lib_socket"; then
+ LIBS="$gl_save_LIBS -lnetwork"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern
+#ifdef __cplusplus
+"C"
+#endif
+char setsockopt();]], [[setsockopt();]])],
+ [gl_cv_lib_socket="-lnetwork"])
+ if test -z "$gl_cv_lib_socket"; then
+ LIBS="$gl_save_LIBS -lnet"
+ AC_LINK_IFELSE([AC_LANG_PROGRAM([[extern
+#ifdef __cplusplus
+"C"
+#endif
+char setsockopt();]], [[setsockopt();]])],
+ [gl_cv_lib_socket="-lnet"])
+ fi
+ fi
+ LIBS="$gl_save_LIBS"
+ ])
+ if test -z "$gl_cv_lib_socket"; then
+ gl_cv_lib_socket="none needed"
+ fi
+ ])
+ if test "$gl_cv_lib_socket" != "none needed"; then
+ LIBSOCKET="$gl_cv_lib_socket"
+ fi
+ fi
+ AC_SUBST([LIBSOCKET])
+])
diff --git a/gnulib/import/m4/sockets.m4 b/gnulib/import/m4/sockets.m4
new file mode 100644
index 00000000000..02b43b6e7fe
--- /dev/null
+++ b/gnulib/import/m4/sockets.m4
@@ -0,0 +1,17 @@
+# sockets.m4 serial 7
+dnl Copyright (C) 2008-2021 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_SOCKETS],
+[
+ AC_REQUIRE([AC_C_INLINE])
+ AC_REQUIRE([gl_SOCKETLIB])
+ gl_PREREQ_SOCKETS
+])
+
+# Prerequisites of lib/sockets.c.
+AC_DEFUN([gl_PREREQ_SOCKETS], [
+ :
+])
diff --git a/gnulib/import/m4/sys_select_h.m4 b/gnulib/import/m4/sys_select_h.m4
new file mode 100644
index 00000000000..4b33d312e55
--- /dev/null
+++ b/gnulib/import/m4/sys_select_h.m4
@@ -0,0 +1,95 @@
+# sys_select_h.m4 serial 20
+dnl Copyright (C) 2006-2021 Free Software Foundation, Inc.
+dnl This file is free software; the Free Software Foundation
+dnl gives unlimited permission to copy and/or distribute it,
+dnl with or without modifications, as long as this notice is preserved.
+
+AC_DEFUN([gl_HEADER_SYS_SELECT],
+[
+ AC_REQUIRE([AC_C_RESTRICT])
+ AC_REQUIRE([gl_SYS_SELECT_H_DEFAULTS])
+ AC_CACHE_CHECK([whether <sys/select.h> is self-contained],
+ [gl_cv_header_sys_select_h_selfcontained],
+ [
+ dnl Test against two bugs:
+ dnl 1. On many platforms, <sys/select.h> assumes prior inclusion of
+ dnl <sys/types.h>.
+ dnl 2. On OSF/1 4.0, <sys/select.h> provides only a forward declaration
+ dnl of 'struct timeval', and no definition of this type.
+ AC_COMPILE_IFELSE([AC_LANG_PROGRAM([[#include <sys/select.h>]],
+ [[struct timeval b;]])],
+ [gl_cv_header_sys_select_h_selfcontained=yes],
+ [gl_cv_header_sys_select_h_selfcontained=no])
+ dnl Test against another bug:
+ dnl 3. On Solaris 10, <sys/select.h> provides an FD_ZERO implementation
+ dnl that relies on memset(), but without including <string.h>.
+ if test $gl_cv_header_sys_select_h_selfcontained = yes; then
+ AC_COMPILE_IFELSE(
+ [AC_LANG_PROGRAM([[#include <sys/select.h>]],
+ [[int memset; int bzero;]])
+ ],
+ [AC_LINK_IFELSE(
+ [AC_LANG_PROGRAM([[#include <sys/select.h>]], [[
+ #undef memset
+ #define memset nonexistent_memset
+ extern
+ #ifdef __cplusplus
+ "C"
+ #endif
+ void *memset (void *, int, unsigned long);
+ #undef bzero
+ #define bzero nonexistent_bzero
+ extern
+ #ifdef __cplusplus
+ "C"
+ #endif
+ void bzero (void *, unsigned long);
+ fd_set fds;
+ FD_ZERO (&fds);
+ ]])
+ ],
+ [],
+ [gl_cv_header_sys_select_h_selfcontained=no])
+ ])
+ fi
+ ])
+ dnl <sys/select.h> is always overridden, because of GNULIB_POSIXCHECK.
+ gl_CHECK_NEXT_HEADERS([sys/select.h])
+ if test $ac_cv_header_sys_select_h = yes; then
+ HAVE_SYS_SELECT_H=1
+ else
+ HAVE_SYS_SELECT_H=0
+ fi
+ AC_SUBST([HAVE_SYS_SELECT_H])
+ gl_PREREQ_SYS_H_WINSOCK2
+
+ dnl Check for declarations of anything we want to poison if the
+ dnl corresponding gnulib module is not in use.
+ gl_WARN_ON_USE_PREPARE([[
+/* Some systems require prerequisite headers. */
+#include <sys/types.h>
+#if !(defined __GLIBC__ && !defined __UCLIBC__) && HAVE_SYS_TIME_H
+# include <sys/time.h>
+#endif
+#include <sys/select.h>
+ ]], [pselect select])
+])
+
+AC_DEFUN([gl_SYS_SELECT_MODULE_INDICATOR],
+[
+ dnl Use AC_REQUIRE here, so that the default settings are expanded once only.
+ AC_REQUIRE([gl_SYS_SELECT_H_DEFAULTS])
+ gl_MODULE_INDICATOR_SET_VARIABLE([$1])
+ dnl Define it also as a C macro, for the benefit of the unit tests.
+ gl_MODULE_INDICATOR_FOR_TESTS([$1])
+])
+
+AC_DEFUN([gl_SYS_SELECT_H_DEFAULTS],
+[
+ GNULIB_PSELECT=0; AC_SUBST([GNULIB_PSELECT])
+ GNULIB_SELECT=0; AC_SUBST([GNULIB_SELECT])
+ dnl Assume proper GNU behavior unless another module says otherwise.
+ HAVE_PSELECT=1; AC_SUBST([HAVE_PSELECT])
+ REPLACE_PSELECT=0; AC_SUBST([REPLACE_PSELECT])
+ REPLACE_SELECT=0; AC_SUBST([REPLACE_SELECT])
+])
diff --git a/gnulib/import/select.c b/gnulib/import/select.c
new file mode 100644
index 00000000000..56ac8bb7b58
--- /dev/null
+++ b/gnulib/import/select.c
@@ -0,0 +1,597 @@
+/* Emulation for select(2)
+ Contributed by Paolo Bonzini.
+
+ Copyright 2008-2021 Free Software Foundation, Inc.
+
+ This file is part of gnulib.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License along
+ with this program; if not, see <https://www.gnu.org/licenses/>. */
+
+#include <config.h>
+
+/* Specification. */
+#include <sys/select.h>
+
+#if defined _WIN32 && ! defined __CYGWIN__
+/* Native Windows. */
+
+#include <alloca.h>
+#include <assert.h>
+#include <sys/types.h>
+#include <errno.h>
+#include <limits.h>
+
+#include <winsock2.h>
+#include <windows.h>
+#include <io.h>
+#include <stdio.h>
+#include <conio.h>
+#include <time.h>
+
+/* Get the overridden 'struct timeval'. */
+#include <sys/time.h>
+
+#if GNULIB_MSVC_NOTHROW
+# include "msvc-nothrow.h"
+#else
+# include <io.h>
+#endif
+
+#undef select
+
+/* Don't assume that UNICODE is not defined. */
+#undef GetModuleHandle
+#define GetModuleHandle GetModuleHandleA
+#undef PeekConsoleInput
+#define PeekConsoleInput PeekConsoleInputA
+#undef CreateEvent
+#define CreateEvent CreateEventA
+#undef PeekMessage
+#define PeekMessage PeekMessageA
+#undef DispatchMessage
+#define DispatchMessage DispatchMessageA
+
+/* Avoid warnings from gcc -Wcast-function-type. */
+#define GetProcAddress \
+ (void *) GetProcAddress
+
+struct bitset {
+ unsigned char in[FD_SETSIZE / CHAR_BIT];
+ unsigned char out[FD_SETSIZE / CHAR_BIT];
+};
+
+/* Declare data structures for ntdll functions. */
+typedef struct _FILE_PIPE_LOCAL_INFORMATION {
+ ULONG NamedPipeType;
+ ULONG NamedPipeConfiguration;
+ ULONG MaximumInstances;
+ ULONG CurrentInstances;
+ ULONG InboundQuota;
+ ULONG ReadDataAvailable;
+ ULONG OutboundQuota;
+ ULONG WriteQuotaAvailable;
+ ULONG NamedPipeState;
+ ULONG NamedPipeEnd;
+} FILE_PIPE_LOCAL_INFORMATION, *PFILE_PIPE_LOCAL_INFORMATION;
+
+typedef struct _IO_STATUS_BLOCK
+{
+ union {
+ DWORD Status;
+ PVOID Pointer;
+ } u;
+ ULONG_PTR Information;
+} IO_STATUS_BLOCK, *PIO_STATUS_BLOCK;
+
+typedef enum _FILE_INFORMATION_CLASS {
+ FilePipeLocalInformation = 24
+} FILE_INFORMATION_CLASS, *PFILE_INFORMATION_CLASS;
+
+typedef DWORD (WINAPI *PNtQueryInformationFile)
+ (HANDLE, IO_STATUS_BLOCK *, VOID *, ULONG, FILE_INFORMATION_CLASS);
+
+#ifndef PIPE_BUF
+#define PIPE_BUF 512
+#endif
+
+static BOOL IsConsoleHandle (HANDLE h)
+{
+ DWORD mode;
+ return GetConsoleMode (h, &mode) != 0;
+}
+
+static BOOL
+IsSocketHandle (HANDLE h)
+{
+ WSANETWORKEVENTS ev;
+
+ if (IsConsoleHandle (h))
+ return FALSE;
+
+ /* Under Wine, it seems that getsockopt returns 0 for pipes too.
+ WSAEnumNetworkEvents instead distinguishes the two correctly. */
+ ev.lNetworkEvents = 0xDEADBEEF;
+ WSAEnumNetworkEvents ((SOCKET) h, NULL, &ev);
+ return ev.lNetworkEvents != 0xDEADBEEF;
+}
+
+/* Compute output fd_sets for libc descriptor FD (whose Windows handle is
+ H). */
+
+static int
+windows_poll_handle (HANDLE h, int fd,
+ struct bitset *rbits,
+ struct bitset *wbits,
+ struct bitset *xbits)
+{
+ BOOL read, write, except;
+ int i, ret;
+ INPUT_RECORD *irbuffer;
+ DWORD avail, nbuffer;
+ BOOL bRet;
+ IO_STATUS_BLOCK iosb;
+ FILE_PIPE_LOCAL_INFORMATION fpli;
+ static PNtQueryInformationFile NtQueryInformationFile;
+ static BOOL once_only;
+
+ read = write = except = FALSE;
+ switch (GetFileType (h))
+ {
+ case FILE_TYPE_DISK:
+ read = TRUE;
+ write = TRUE;
+ break;
+
+ case FILE_TYPE_PIPE:
+ if (!once_only)
+ {
+ NtQueryInformationFile = (PNtQueryInformationFile)
+ GetProcAddress (GetModuleHandle ("ntdll.dll"),
+ "NtQueryInformationFile");
+ once_only = TRUE;
+ }
+
+ if (PeekNamedPipe (h, NULL, 0, NULL, &avail, NULL) != 0)
+ {
+ if (avail)
+ read = TRUE;
+ }
+ else if (GetLastError () == ERROR_BROKEN_PIPE)
+ ;
+
+ else
+ {
+ /* It was the write-end of the pipe. Check if it is writable.
+ If NtQueryInformationFile fails, optimistically assume the pipe is
+ writable. This could happen on Windows 9x, where
+ NtQueryInformationFile is not available, or if we inherit a pipe
+ that doesn't permit FILE_READ_ATTRIBUTES access on the write end
+ (I think this should not happen since Windows XP SP2; WINE seems
+ fine too). Otherwise, ensure that enough space is available for
+ atomic writes. */
+ memset (&iosb, 0, sizeof (iosb));
+ memset (&fpli, 0, sizeof (fpli));
+
+ if (!NtQueryInformationFile
+ || NtQueryInformationFile (h, &iosb, &fpli, sizeof (fpli),
+ FilePipeLocalInformation)
+ || fpli.WriteQuotaAvailable >= PIPE_BUF
+ || (fpli.OutboundQuota < PIPE_BUF &&
+ fpli.WriteQuotaAvailable == fpli.OutboundQuota))
+ write = TRUE;
+ }
+ break;
+
+ case FILE_TYPE_CHAR:
+ write = TRUE;
+ if (!(rbits->in[fd / CHAR_BIT] & (1 << (fd & (CHAR_BIT - 1)))))
+ break;
+
+ ret = WaitForSingleObject (h, 0);
+ if (ret == WAIT_OBJECT_0)
+ {
+ if (!IsConsoleHandle (h))
+ {
+ read = TRUE;
+ break;
+ }
+
+ nbuffer = avail = 0;
+ bRet = GetNumberOfConsoleInputEvents (h, &nbuffer);
+
+ /* Screen buffers handles are filtered earlier. */
+ assert (bRet);
+ if (nbuffer == 0)
+ {
+ except = TRUE;
+ break;
+ }
+
+ irbuffer = (INPUT_RECORD *) alloca (nbuffer * sizeof (INPUT_RECORD));
+ bRet = PeekConsoleInput (h, irbuffer, nbuffer, &avail);
+ if (!bRet || avail == 0)
+ {
+ except = TRUE;
+ break;
+ }
+
+ for (i = 0; i < avail; i++)
+ if (irbuffer[i].EventType == KEY_EVENT)
+ read = TRUE;
+ }
+ break;
+
+ default:
+ ret = WaitForSingleObject (h, 0);
+ write = TRUE;
+ if (ret == WAIT_OBJECT_0)
+ read = TRUE;
+
+ break;
+ }
+
+ ret = 0;
+ if (read && (rbits->in[fd / CHAR_BIT] & (1 << (fd & (CHAR_BIT - 1)))))
+ {
+ rbits->out[fd / CHAR_BIT] |= (1 << (fd & (CHAR_BIT - 1)));
+ ret++;
+ }
+
+ if (write && (wbits->in[fd / CHAR_BIT] & (1 << (fd & (CHAR_BIT - 1)))))
+ {
+ wbits->out[fd / CHAR_BIT] |= (1 << (fd & (CHAR_BIT - 1)));
+ ret++;
+ }
+
+ if (except && (xbits->in[fd / CHAR_BIT] & (1 << (fd & (CHAR_BIT - 1)))))
+ {
+ xbits->out[fd / CHAR_BIT] |= (1 << (fd & (CHAR_BIT - 1)));
+ ret++;
+ }
+
+ return ret;
+}
+
+int
+rpl_select (int nfds, fd_set *rfds, fd_set *wfds, fd_set *xfds,
+ struct timeval *timeout)
+#undef timeval
+{
+ static struct timeval tv0;
+ static HANDLE hEvent;
+ HANDLE h, handle_array[FD_SETSIZE + 2];
+ fd_set handle_rfds, handle_wfds, handle_xfds;
+ struct bitset rbits, wbits, xbits;
+ unsigned char anyfds_in[FD_SETSIZE / CHAR_BIT];
+ DWORD ret, wait_timeout, nhandles, nsock, nbuffer;
+ MSG msg;
+ int i, fd, rc;
+ clock_t tend;
+
+ if (nfds > FD_SETSIZE)
+ nfds = FD_SETSIZE;
+
+ if (!timeout)
+ wait_timeout = INFINITE;
+ else
+ {
+ wait_timeout = timeout->tv_sec * 1000 + timeout->tv_usec / 1000;
+
+ /* select is also used as a portable usleep. */
+ if (!rfds && !wfds && !xfds)
+ {
+ Sleep (wait_timeout);
+ return 0;
+ }
+ }
+
+ if (!hEvent)
+ hEvent = CreateEvent (NULL, FALSE, FALSE, NULL);
+
+ handle_array[0] = hEvent;
+ nhandles = 1;
+ nsock = 0;
+
+ /* Copy descriptors to bitsets. At the same time, eliminate
+ bits in the "wrong" direction for console input buffers
+ and screen buffers, because screen buffers are waitable
+ and they will block until a character is available. */
+ memset (&rbits, 0, sizeof (rbits));
+ memset (&wbits, 0, sizeof (wbits));
+ memset (&xbits, 0, sizeof (xbits));
+ memset (anyfds_in, 0, sizeof (anyfds_in));
+ if (rfds)
+ for (i = 0; i < rfds->fd_count; i++)
+ {
+ fd = rfds->fd_array[i];
+ h = (HANDLE) _get_osfhandle (fd);
+ if (IsConsoleHandle (h)
+ && !GetNumberOfConsoleInputEvents (h, &nbuffer))
+ continue;
+
+ rbits.in[fd / CHAR_BIT] |= 1 << (fd & (CHAR_BIT - 1));
+ anyfds_in[fd / CHAR_BIT] |= 1 << (fd & (CHAR_BIT - 1));
+ }
+ else
+ rfds = (fd_set *) alloca (sizeof (fd_set));
+
+ if (wfds)
+ for (i = 0; i < wfds->fd_count; i++)
+ {
+ fd = wfds->fd_array[i];
+ h = (HANDLE) _get_osfhandle (fd);
+ if (IsConsoleHandle (h)
+ && GetNumberOfConsoleInputEvents (h, &nbuffer))
+ continue;
+
+ wbits.in[fd / CHAR_BIT] |= 1 << (fd & (CHAR_BIT - 1));
+ anyfds_in[fd / CHAR_BIT] |= 1 << (fd & (CHAR_BIT - 1));
+ }
+ else
+ wfds = (fd_set *) alloca (sizeof (fd_set));
+
+ if (xfds)
+ for (i = 0; i < xfds->fd_count; i++)
+ {
+ fd = xfds->fd_array[i];
+ xbits.in[fd / CHAR_BIT] |= 1 << (fd & (CHAR_BIT - 1));
+ anyfds_in[fd / CHAR_BIT] |= 1 << (fd & (CHAR_BIT - 1));
+ }
+ else
+ xfds = (fd_set *) alloca (sizeof (fd_set));
+
+ /* Zero all the fd_sets, including the application's. */
+ FD_ZERO (rfds);
+ FD_ZERO (wfds);
+ FD_ZERO (xfds);
+ FD_ZERO (&handle_rfds);
+ FD_ZERO (&handle_wfds);
+ FD_ZERO (&handle_xfds);
+
+ /* Classify handles. Create fd sets for sockets, poll the others. */
+ for (i = 0; i < nfds; i++)
+ {
+ if ((anyfds_in[i / CHAR_BIT] & (1 << (i & (CHAR_BIT - 1)))) == 0)
+ continue;
+
+ h = (HANDLE) _get_osfhandle (i);
+ if (!h)
+ {
+ errno = EBADF;
+ return -1;
+ }
+
+ if (IsSocketHandle (h))
+ {
+ int requested = FD_CLOSE;
+
+ /* See above; socket handles are mapped onto select, but we
+ need to map descriptors to handles. */
+ if (rbits.in[i / CHAR_BIT] & (1 << (i & (CHAR_BIT - 1))))
+ {
+ requested |= FD_READ | FD_ACCEPT;
+ FD_SET ((SOCKET) h, rfds);
+ FD_SET ((SOCKET) h, &handle_rfds);
+ }
+ if (wbits.in[i / CHAR_BIT] & (1 << (i & (CHAR_BIT - 1))))
+ {
+ requested |= FD_WRITE | FD_CONNECT;
+ FD_SET ((SOCKET) h, wfds);
+ FD_SET ((SOCKET) h, &handle_wfds);
+ }
+ if (xbits.in[i / CHAR_BIT] & (1 << (i & (CHAR_BIT - 1))))
+ {
+ requested |= FD_OOB;
+ FD_SET ((SOCKET) h, xfds);
+ FD_SET ((SOCKET) h, &handle_xfds);
+ }
+
+ WSAEventSelect ((SOCKET) h, hEvent, requested);
+ nsock++;
+ }
+ else
+ {
+ handle_array[nhandles++] = h;
+
+ /* Poll now. If we get an event, do not wait below. */
+ if (wait_timeout != 0
+ && windows_poll_handle (h, i, &rbits, &wbits, &xbits))
+ wait_timeout = 0;
+ }
+ }
+
+ /* Place a sentinel at the end of the array. */
+ handle_array[nhandles] = NULL;
+
+ /* When will the waiting period expire? */
+ if (wait_timeout != INFINITE)
+ tend = clock () + wait_timeout;
+
+restart:
+ if (wait_timeout == 0 || nsock == 0)
+ rc = 0;
+ else
+ {
+ /* See if we need to wait in the loop below. If any select is ready,
+ do MsgWaitForMultipleObjects anyway to dispatch messages, but
+ no need to call select again. */
+ rc = select (0, &handle_rfds, &handle_wfds, &handle_xfds, &tv0);
+ if (rc == 0)
+ {
+ /* Restore the fd_sets for the other select we do below. */
+ memcpy (&handle_rfds, rfds, sizeof (fd_set));
+ memcpy (&handle_wfds, wfds, sizeof (fd_set));
+ memcpy (&handle_xfds, xfds, sizeof (fd_set));
+ }
+ else
+ wait_timeout = 0;
+ }
+
+ /* How much is left to wait? */
+ if (wait_timeout != INFINITE)
+ {
+ clock_t tnow = clock ();
+ if (tend >= tnow)
+ wait_timeout = tend - tnow;
+ else
+ wait_timeout = 0;
+ }
+
+ for (;;)
+ {
+ ret = MsgWaitForMultipleObjects (nhandles, handle_array, FALSE,
+ wait_timeout, QS_ALLINPUT);
+
+ if (ret == WAIT_OBJECT_0 + nhandles)
+ {
+ /* new input of some other kind */
+ BOOL bRet;
+ while ((bRet = PeekMessage (&msg, NULL, 0, 0, PM_REMOVE)) != 0)
+ {
+ TranslateMessage (&msg);
+ DispatchMessage (&msg);
+ }
+ }
+ else
+ break;
+ }
+
+ /* If we haven't done it yet, check the status of the sockets. */
+ if (rc == 0 && nsock > 0)
+ rc = select (0, &handle_rfds, &handle_wfds, &handle_xfds, &tv0);
+
+ if (nhandles > 1)
+ {
+ /* Count results that are not counted in the return value of select. */
+ nhandles = 1;
+ for (i = 0; i < nfds; i++)
+ {
+ if ((anyfds_in[i / CHAR_BIT] & (1 << (i & (CHAR_BIT - 1)))) == 0)
+ continue;
+
+ h = (HANDLE) _get_osfhandle (i);
+ if (h == handle_array[nhandles])
+ {
+ /* Not a socket. */
+ nhandles++;
+ windows_poll_handle (h, i, &rbits, &wbits, &xbits);
+ if (rbits.out[i / CHAR_BIT] & (1 << (i & (CHAR_BIT - 1)))
+ || wbits.out[i / CHAR_BIT] & (1 << (i & (CHAR_BIT - 1)))
+ || xbits.out[i / CHAR_BIT] & (1 << (i & (CHAR_BIT - 1))))
+ rc++;
+ }
+ }
+
+ if (rc == 0
+ && (wait_timeout == INFINITE
+ /* If NHANDLES > 1, but no bits are set, it means we've
+ been told incorrectly that some handle was signaled.
+ This happens with anonymous pipes, which always cause
+ MsgWaitForMultipleObjects to exit immediately, but no
+ data is found ready to be read by windows_poll_handle.
+ To avoid a total failure (whereby we return zero and
+ don't wait at all), let's poll in a more busy loop. */
+ || (wait_timeout != 0 && nhandles > 1)))
+ {
+ /* Sleep 1 millisecond to avoid busy wait and retry with the
+ original fd_sets. */
+ memcpy (&handle_rfds, rfds, sizeof (fd_set));
+ memcpy (&handle_wfds, wfds, sizeof (fd_set));
+ memcpy (&handle_xfds, xfds, sizeof (fd_set));
+ SleepEx (1, TRUE);
+ goto restart;
+ }
+ if (timeout && wait_timeout == 0 && rc == 0)
+ timeout->tv_sec = timeout->tv_usec = 0;
+ }
+
+ /* Now fill in the results. */
+ FD_ZERO (rfds);
+ FD_ZERO (wfds);
+ FD_ZERO (xfds);
+ nhandles = 1;
+ for (i = 0; i < nfds; i++)
+ {
+ if ((anyfds_in[i / CHAR_BIT] & (1 << (i & (CHAR_BIT - 1)))) == 0)
+ continue;
+
+ h = (HANDLE) _get_osfhandle (i);
+ if (h != handle_array[nhandles])
+ {
+ /* Perform handle->descriptor mapping. */
+ WSAEventSelect ((SOCKET) h, NULL, 0);
+ if (FD_ISSET (h, &handle_rfds))
+ FD_SET (i, rfds);
+ if (FD_ISSET (h, &handle_wfds))
+ FD_SET (i, wfds);
+ if (FD_ISSET (h, &handle_xfds))
+ FD_SET (i, xfds);
+ }
+ else
+ {
+ /* Not a socket. */
+ nhandles++;
+ if (rbits.out[i / CHAR_BIT] & (1 << (i & (CHAR_BIT - 1))))
+ FD_SET (i, rfds);
+ if (wbits.out[i / CHAR_BIT] & (1 << (i & (CHAR_BIT - 1))))
+ FD_SET (i, wfds);
+ if (xbits.out[i / CHAR_BIT] & (1 << (i & (CHAR_BIT - 1))))
+ FD_SET (i, xfds);
+ }
+ }
+
+ return rc;
+}
+
+#else /* ! Native Windows. */
+
+#include <stddef.h> /* NULL */
+#include <errno.h>
+#include <unistd.h>
+
+#undef select
+
+int
+rpl_select (int nfds, fd_set *rfds, fd_set *wfds, fd_set *xfds,
+ struct timeval *timeout)
+{
+ int i;
+
+ /* FreeBSD 8.2 has a bug: it does not always detect invalid fds. */
+ if (nfds < 0 || nfds > FD_SETSIZE)
+ {
+ errno = EINVAL;
+ return -1;
+ }
+ for (i = 0; i < nfds; i++)
+ {
+ if (((rfds && FD_ISSET (i, rfds))
+ || (wfds && FD_ISSET (i, wfds))
+ || (xfds && FD_ISSET (i, xfds)))
+ && dup2 (i, i) != i)
+ return -1;
+ }
+
+ /* Interix 3.5 has a bug: it does not support nfds == 0. */
+ if (nfds == 0)
+ {
+ nfds = 1;
+ rfds = NULL;
+ wfds = NULL;
+ xfds = NULL;
+ }
+ return select (nfds, rfds, wfds, xfds, timeout);
+}
+
+#endif
diff --git a/gnulib/import/sockets.c b/gnulib/import/sockets.c
new file mode 100644
index 00000000000..2de48d25b31
--- /dev/null
+++ b/gnulib/import/sockets.c
@@ -0,0 +1,161 @@
+/* sockets.c --- wrappers for Windows socket functions
+
+ Copyright (C) 2008-2021 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
+
+/* Written by Simon Josefsson */
+
+#include <config.h>
+
+/* Specification. */
+#include "sockets.h"
+
+#if WINDOWS_SOCKETS
+
+/* This includes winsock2.h on MinGW. */
+# include <sys/socket.h>
+
+# include "fd-hook.h"
+# if GNULIB_MSVC_NOTHROW
+# include "msvc-nothrow.h"
+# else
+# include <io.h>
+# endif
+
+/* Get set_winsock_errno, FD_TO_SOCKET etc. */
+# include "w32sock.h"
+
+static int
+close_fd_maybe_socket (const struct fd_hook *remaining_list,
+ gl_close_fn primary,
+ int fd)
+{
+ /* Note about multithread-safety: There is a race condition where, between
+ our calls to closesocket() and the primary close(), some other thread
+ could make system calls that allocate precisely the same HANDLE value
+ as sock; then the primary close() would call CloseHandle() on it. */
+ SOCKET sock;
+ WSANETWORKEVENTS ev;
+
+ /* Test whether fd refers to a socket. */
+ sock = FD_TO_SOCKET (fd);
+ ev.lNetworkEvents = 0xDEADBEEF;
+ WSAEnumNetworkEvents (sock, NULL, &ev);
+ if (ev.lNetworkEvents != 0xDEADBEEF)
+ {
+ /* fd refers to a socket. */
+ /* FIXME: other applications, like squid, use an undocumented
+ _free_osfhnd free function. But this is not enough: The 'osfile'
+ flags for fd also needs to be cleared, but it is hard to access it.
+ Instead, here we just close twice the file descriptor. */
+ if (closesocket (sock))
+ {
+ set_winsock_errno ();
+ return -1;
+ }
+ else
+ {
+ /* This call frees the file descriptor and does a
+ CloseHandle ((HANDLE) _get_osfhandle (fd)), which fails. */
+ _close (fd);
+ return 0;
+ }
+ }
+ else
+ /* Some other type of file descriptor. */
+ return execute_close_hooks (remaining_list, primary, fd);
+}
+
+static int
+ioctl_fd_maybe_socket (const struct fd_hook *remaining_list,
+ gl_ioctl_fn primary,
+ int fd, int request, void *arg)
+{
+ SOCKET sock;
+ WSANETWORKEVENTS ev;
+
+ /* Test whether fd refers to a socket. */
+ sock = FD_TO_SOCKET (fd);
+ ev.lNetworkEvents = 0xDEADBEEF;
+ WSAEnumNetworkEvents (sock, NULL, &ev);
+ if (ev.lNetworkEvents != 0xDEADBEEF)
+ {
+ /* fd refers to a socket. */
+ if (ioctlsocket (sock, request, arg) < 0)
+ {
+ set_winsock_errno ();
+ return -1;
+ }
+ else
+ return 0;
+ }
+ else
+ /* Some other type of file descriptor. */
+ return execute_ioctl_hooks (remaining_list, primary, fd, request, arg);
+}
+
+static struct fd_hook fd_sockets_hook;
+
+static int initialized_sockets_version /* = 0 */;
+
+#endif /* WINDOWS_SOCKETS */
+
+int
+gl_sockets_startup (int version _GL_UNUSED)
+{
+#if WINDOWS_SOCKETS
+ if (version > initialized_sockets_version)
+ {
+ WSADATA data;
+ int err;
+
+ err = WSAStartup (version, &data);
+ if (err != 0)
+ return 1;
+
+ if (data.wVersion != version)
+ {
+ WSACleanup ();
+ return 2;
+ }
+
+ if (initialized_sockets_version == 0)
+ register_fd_hook (close_fd_maybe_socket, ioctl_fd_maybe_socket,
+ &fd_sockets_hook);
+
+ initialized_sockets_version = version;
+ }
+#endif
+
+ return 0;
+}
+
+int
+gl_sockets_cleanup (void)
+{
+#if WINDOWS_SOCKETS
+ int err;
+
+ initialized_sockets_version = 0;
+
+ unregister_fd_hook (&fd_sockets_hook);
+
+ err = WSACleanup ();
+ if (err != 0)
+ return 1;
+#endif
+
+ return 0;
+}
diff --git a/gnulib/import/sockets.h b/gnulib/import/sockets.h
new file mode 100644
index 00000000000..e0729c24146
--- /dev/null
+++ b/gnulib/import/sockets.h
@@ -0,0 +1,66 @@
+/* sockets.h - wrappers for Windows socket functions
+
+ Copyright (C) 2008-2021 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
+
+/* Written by Simon Josefsson */
+
+#ifndef SOCKETS_H
+#define SOCKETS_H 1
+
+#define SOCKETS_1_0 0x0001
+#define SOCKETS_1_1 0x0101
+#define SOCKETS_2_0 0x0002
+#define SOCKETS_2_1 0x0102
+#define SOCKETS_2_2 0x0202
+
+int gl_sockets_startup (int version)
+#ifndef WINDOWS_SOCKETS
+ _GL_ATTRIBUTE_CONST
+#endif
+ ;
+
+int gl_sockets_cleanup (void)
+#ifndef WINDOWS_SOCKETS
+ _GL_ATTRIBUTE_CONST
+#endif
+ ;
+
+/* This function is useful it you create a socket using gnulib's
+ Winsock wrappers but needs to pass on the socket handle to some
+ other library that only accepts sockets. */
+#ifdef WINDOWS_SOCKETS
+
+# include <sys/socket.h>
+
+# if GNULIB_MSVC_NOTHROW
+# include "msvc-nothrow.h"
+# else
+# include <io.h>
+# endif
+
+static inline SOCKET
+gl_fd_to_handle (int fd)
+{
+ return _get_osfhandle (fd);
+}
+
+#else
+
+# define gl_fd_to_handle(x) (x)
+
+#endif /* WINDOWS_SOCKETS */
+
+#endif /* SOCKETS_H */
diff --git a/gnulib/import/sys_select.in.h b/gnulib/import/sys_select.in.h
new file mode 100644
index 00000000000..1dacb21087d
--- /dev/null
+++ b/gnulib/import/sys_select.in.h
@@ -0,0 +1,326 @@
+/* Substitute for <sys/select.h>.
+ Copyright (C) 2007-2021 Free Software Foundation, Inc.
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3, or (at your option)
+ any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, see <https://www.gnu.org/licenses/>. */
+
+# if __GNUC__ >= 3
+@PRAGMA_SYSTEM_HEADER@
+# endif
+@PRAGMA_COLUMNS@
+
+/* On OSF/1 and Solaris 2.6, <sys/types.h> and <sys/time.h>
+ both include <sys/select.h>.
+ On Cygwin, <sys/time.h> includes <sys/select.h>.
+ Simply delegate to the system's header in this case. */
+#if (@HAVE_SYS_SELECT_H@ \
+ && !defined _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_TYPES_H \
+ && ((defined __osf__ && defined _SYS_TYPES_H_ \
+ && defined _OSF_SOURCE) \
+ || (defined __sun && defined _SYS_TYPES_H \
+ && (! (defined _XOPEN_SOURCE || defined _POSIX_C_SOURCE) \
+ || defined __EXTENSIONS__))))
+
+# define _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_TYPES_H
+# @INCLUDE_NEXT@ @NEXT_SYS_SELECT_H@
+
+#elif (@HAVE_SYS_SELECT_H@ \
+ && (defined _CYGWIN_SYS_TIME_H \
+ || (!defined _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_TIME_H \
+ && ((defined __osf__ && defined _SYS_TIME_H_ \
+ && defined _OSF_SOURCE) \
+ || (defined __sun && defined _SYS_TIME_H \
+ && (! (defined _XOPEN_SOURCE \
+ || defined _POSIX_C_SOURCE) \
+ || defined __EXTENSIONS__))))))
+
+# define _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_TIME_H
+# @INCLUDE_NEXT@ @NEXT_SYS_SELECT_H@
+
+/* On IRIX 6.5, <sys/timespec.h> includes <sys/types.h>, which includes
+ <sys/bsd_types.h>, which includes <sys/select.h>. At this point we cannot
+ include <signal.h>, because that includes <internal/signal_core.h>, which
+ gives a syntax error because <sys/timespec.h> has not been completely
+ processed. Simply delegate to the system's header in this case. */
+#elif @HAVE_SYS_SELECT_H@ && defined __sgi && (defined _SYS_BSD_TYPES_H && !defined _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_BSD_TYPES_H)
+
+# define _GL_SYS_SELECT_H_REDIRECT_FROM_SYS_BSD_TYPES_H
+# @INCLUDE_NEXT@ @NEXT_SYS_SELECT_H@
+
+/* On OpenBSD 5.0, <pthread.h> includes <sys/types.h>, which includes
+ <sys/select.h>. At this point we cannot include <signal.h>, because that
+ includes gnulib's pthread.h override, which gives a syntax error because
+ /usr/include/pthread.h has not been completely processed. Simply delegate
+ to the system's header in this case. */
+#elif @HAVE_SYS_SELECT_H@ && defined __OpenBSD__ && (defined _PTHREAD_H_ && !defined PTHREAD_MUTEX_INITIALIZER)
+
+# @INCLUDE_NEXT@ @NEXT_SYS_SELECT_H@
+
+#else
+
+#ifndef _@GUARD_PREFIX@_SYS_SELECT_H
+
+/* On many platforms, <sys/select.h> assumes prior inclusion of
+ <sys/types.h>. Also, mingw defines sigset_t there, instead of
+ in <signal.h> where it belongs. */
+#include <sys/types.h>
+
+#if @HAVE_SYS_SELECT_H@
+
+/* On OSF/1 4.0, <sys/select.h> provides only a forward declaration
+ of 'struct timeval', and no definition of this type.
+ Also, Mac OS X, AIX, HP-UX, IRIX, Solaris, Interix declare select()
+ in <sys/time.h>.
+ But avoid namespace pollution on glibc systems and "unknown type
+ name" problems on Cygwin. */
+# if !(defined __GLIBC__ || defined __CYGWIN__)
+# include <sys/time.h>
+# endif
+
+/* On AIX 7 and Solaris 10, <sys/select.h> provides an FD_ZERO implementation
+ that relies on memset(), but without including <string.h>.
+ But in any case avoid namespace pollution on glibc systems. */
+# if (defined __OpenBSD__ || defined _AIX || defined __sun || defined __osf__ || defined __BEOS__) \
+ && ! defined __GLIBC__
+# include <string.h>
+# endif
+
+/* The include_next requires a split double-inclusion guard. */
+# @INCLUDE_NEXT@ @NEXT_SYS_SELECT_H@
+
+#endif
+
+/* Get definition of 'sigset_t'.
+ But avoid namespace pollution on glibc systems and "unknown type
+ name" problems on Cygwin.
+ On OS/2 kLIBC, sigset_t is defined in <sys/select.h>, too. In addition,
+ if <sys/param.h> is included, <types.h> -> <sys/types.h> -> <sys/select.h>
+ are included. Then <signal.h> -> <pthread.h> are included by GNULIB. By the
+ way, <pthread.h> requires PAGE_SIZE defined in <sys/param.h>. However,
+ <sys/param.h> has not been processed, yet. As a result, 'PAGE_SIZE'
+ undeclared error occurs in <pthread.h>.
+ Do this after the include_next (for the sake of OpenBSD 5.0) but before
+ the split double-inclusion guard (for the sake of Solaris). */
+#if !((defined __GLIBC__ || defined __CYGWIN__ || defined __KLIBC__) \
+ && !defined __UCLIBC__)
+# include <signal.h>
+#endif
+
+#ifndef _@GUARD_PREFIX@_SYS_SELECT_H
+#define _@GUARD_PREFIX@_SYS_SELECT_H
+
+#if !@HAVE_SYS_SELECT_H@
+/* A platform that lacks <sys/select.h>. */
+/* Get the 'struct timeval' and 'fd_set' types and the FD_* macros
+ on most platforms. */
+# include <sys/time.h>
+/* On HP-UX 11, <sys/time.h> provides an FD_ZERO implementation
+ that relies on memset(), but without including <string.h>. */
+# if defined __hpux
+# include <string.h>
+# endif
+/* On native Windows platforms:
+ Get the 'fd_set' type.
+ Get the close() declaration before we override it. */
+# if @HAVE_WINSOCK2_H@
+# if !defined _GL_INCLUDING_WINSOCK2_H
+# define _GL_INCLUDING_WINSOCK2_H
+# include <winsock2.h>
+# undef _GL_INCLUDING_WINSOCK2_H
+# endif
+# include <io.h>
+# endif
+#endif
+
+/* The definitions of _GL_FUNCDECL_RPL etc. are copied here. */
+
+/* The definition of _GL_WARN_ON_USE is copied here. */
+
+
+/* Fix some definitions from <winsock2.h>. */
+
+#if @HAVE_WINSOCK2_H@
+
+# if !GNULIB_defined_rpl_fd_isset
+
+/* Re-define FD_ISSET to avoid a WSA call while we are not using
+ network sockets. */
+static int
+rpl_fd_isset (SOCKET fd, fd_set * set)
+{
+ u_int i;
+ if (set == NULL)
+ return 0;
+
+ for (i = 0; i < set->fd_count; i++)
+ if (set->fd_array[i] == fd)
+ return 1;
+
+ return 0;
+}
+
+# define GNULIB_defined_rpl_fd_isset 1
+# endif
+
+# undef FD_ISSET
+# define FD_ISSET(fd, set) rpl_fd_isset(fd, set)
+
+#endif
+
+/* Hide some function declarations from <winsock2.h>. */
+
+#if @HAVE_WINSOCK2_H@
+# if !defined _@GUARD_PREFIX@_UNISTD_H
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef close
+# define close close_used_without_including_unistd_h
+# elif !defined __clang__
+ _GL_WARN_ON_USE (close,
+ "close() used without including <unistd.h>");
+# endif
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef gethostname
+# define gethostname gethostname_used_without_including_unistd_h
+# elif !defined __clang__
+ _GL_WARN_ON_USE (gethostname,
+ "gethostname() used without including <unistd.h>");
+# endif
+# endif
+# if !defined _@GUARD_PREFIX@_SYS_SOCKET_H
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef socket
+# define socket socket_used_without_including_sys_socket_h
+# undef connect
+# define connect connect_used_without_including_sys_socket_h
+# undef accept
+# define accept accept_used_without_including_sys_socket_h
+# undef bind
+# define bind bind_used_without_including_sys_socket_h
+# undef getpeername
+# define getpeername getpeername_used_without_including_sys_socket_h
+# undef getsockname
+# define getsockname getsockname_used_without_including_sys_socket_h
+# undef getsockopt
+# define getsockopt getsockopt_used_without_including_sys_socket_h
+# undef listen
+# define listen listen_used_without_including_sys_socket_h
+# undef recv
+# define recv recv_used_without_including_sys_socket_h
+# undef send
+# define send send_used_without_including_sys_socket_h
+# undef recvfrom
+# define recvfrom recvfrom_used_without_including_sys_socket_h
+# undef sendto
+# define sendto sendto_used_without_including_sys_socket_h
+# undef setsockopt
+# define setsockopt setsockopt_used_without_including_sys_socket_h
+# undef shutdown
+# define shutdown shutdown_used_without_including_sys_socket_h
+# elif !defined __clang__
+ _GL_WARN_ON_USE (socket,
+ "socket() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (connect,
+ "connect() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (accept,
+ "accept() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (bind,
+ "bind() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (getpeername,
+ "getpeername() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (getsockname,
+ "getsockname() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (getsockopt,
+ "getsockopt() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (listen,
+ "listen() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (recv,
+ "recv() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (send,
+ "send() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (recvfrom,
+ "recvfrom() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (sendto,
+ "sendto() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (setsockopt,
+ "setsockopt() used without including <sys/socket.h>");
+ _GL_WARN_ON_USE (shutdown,
+ "shutdown() used without including <sys/socket.h>");
+# endif
+# endif
+#endif
+
+
+#if @GNULIB_PSELECT@
+# if @REPLACE_PSELECT@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef pselect
+# define pselect rpl_pselect
+# endif
+_GL_FUNCDECL_RPL (pselect, int,
+ (int, fd_set *restrict, fd_set *restrict, fd_set *restrict,
+ struct timespec const *restrict, const sigset_t *restrict));
+_GL_CXXALIAS_RPL (pselect, int,
+ (int, fd_set *restrict, fd_set *restrict, fd_set *restrict,
+ struct timespec const *restrict, const sigset_t *restrict));
+# else
+# if !@HAVE_PSELECT@
+_GL_FUNCDECL_SYS (pselect, int,
+ (int, fd_set *restrict, fd_set *restrict, fd_set *restrict,
+ struct timespec const *restrict, const sigset_t *restrict));
+# endif
+_GL_CXXALIAS_SYS (pselect, int,
+ (int, fd_set *restrict, fd_set *restrict, fd_set *restrict,
+ struct timespec const *restrict, const sigset_t *restrict));
+# endif
+_GL_CXXALIASWARN (pselect);
+#elif defined GNULIB_POSIXCHECK
+# undef pselect
+# if HAVE_RAW_DECL_PSELECT
+_GL_WARN_ON_USE (pselect, "pselect is not portable - "
+ "use gnulib module pselect for portability");
+# endif
+#endif
+
+#if @GNULIB_SELECT@
+# if @REPLACE_SELECT@
+# if !(defined __cplusplus && defined GNULIB_NAMESPACE)
+# undef select
+# define select rpl_select
+# endif
+_GL_FUNCDECL_RPL (select, int,
+ (int, fd_set *restrict, fd_set *restrict, fd_set *restrict,
+ struct timeval *restrict));
+_GL_CXXALIAS_RPL (select, int,
+ (int, fd_set *restrict, fd_set *restrict, fd_set *restrict,
+ timeval *restrict));
+# else
+_GL_CXXALIAS_SYS (select, int,
+ (int, fd_set *restrict, fd_set *restrict, fd_set *restrict,
+ timeval *restrict));
+# endif
+_GL_CXXALIASWARN (select);
+#elif @HAVE_WINSOCK2_H@
+# undef select
+# define select select_used_without_requesting_gnulib_module_select
+#elif defined GNULIB_POSIXCHECK
+# undef select
+# if HAVE_RAW_DECL_SELECT
+_GL_WARN_ON_USE (select, "select is not always POSIX compliant - "
+ "use gnulib module select for portability");
+# endif
+#endif
+
+
+#endif /* _@GUARD_PREFIX@_SYS_SELECT_H */
+#endif /* _@GUARD_PREFIX@_SYS_SELECT_H */
+#endif /* OSF/1 */
diff --git a/gnulib/import/w32sock.h b/gnulib/import/w32sock.h
new file mode 100644
index 00000000000..f7311887b2c
--- /dev/null
+++ b/gnulib/import/w32sock.h
@@ -0,0 +1,140 @@
+/* w32sock.h --- internal auxiliary functions for Windows socket functions
+
+ Copyright (C) 2008-2021 Free Software Foundation, Inc.
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program. If not, see <https://www.gnu.org/licenses/>. */
+
+/* Written by Paolo Bonzini */
+
+#include <errno.h>
+
+/* Get O_RDWR and O_BINARY. */
+#include <fcntl.h>
+
+/* Get _open_osfhandle(). */
+#include <io.h>
+
+/* Get _get_osfhandle(). */
+#if GNULIB_MSVC_NOTHROW
+# include "msvc-nothrow.h"
+#else
+# include <io.h>
+#endif
+
+#define FD_TO_SOCKET(fd) ((SOCKET) _get_osfhandle ((fd)))
+#define SOCKET_TO_FD(fh) (_open_osfhandle ((intptr_t) (fh), O_RDWR | O_BINARY))
+
+static inline void
+set_winsock_errno (void)
+{
+ int err = WSAGetLastError ();
+
+ /* Map some WSAE* errors to the runtime library's error codes. */
+ switch (err)
+ {
+ case WSA_INVALID_HANDLE:
+ errno = EBADF;
+ break;
+ case WSA_NOT_ENOUGH_MEMORY:
+ errno = ENOMEM;
+ break;
+ case WSA_INVALID_PARAMETER:
+ errno = EINVAL;
+ break;
+ case WSAENAMETOOLONG:
+ errno = ENAMETOOLONG;
+ break;
+ case WSAENOTEMPTY:
+ errno = ENOTEMPTY;
+ break;
+ case WSAEWOULDBLOCK:
+ errno = EWOULDBLOCK;
+ break;
+ case WSAEINPROGRESS:
+ errno = EINPROGRESS;
+ break;
+ case WSAEALREADY:
+ errno = EALREADY;
+ break;
+ case WSAENOTSOCK:
+ errno = ENOTSOCK;
+ break;
+ case WSAEDESTADDRREQ:
+ errno = EDESTADDRREQ;
+ break;
+ case WSAEMSGSIZE:
+ errno = EMSGSIZE;
+ break;
+ case WSAEPROTOTYPE:
+ errno = EPROTOTYPE;
+ break;
+ case WSAENOPROTOOPT:
+ errno = ENOPROTOOPT;
+ break;
+ case WSAEPROTONOSUPPORT:
+ errno = EPROTONOSUPPORT;
+ break;
+ case WSAEOPNOTSUPP:
+ errno = EOPNOTSUPP;
+ break;
+ case WSAEAFNOSUPPORT:
+ errno = EAFNOSUPPORT;
+ break;
+ case WSAEADDRINUSE:
+ errno = EADDRINUSE;
+ break;
+ case WSAEADDRNOTAVAIL:
+ errno = EADDRNOTAVAIL;
+ break;
+ case WSAENETDOWN:
+ errno = ENETDOWN;
+ break;
+ case WSAENETUNREACH:
+ errno = ENETUNREACH;
+ break;
+ case WSAENETRESET:
+ errno = ENETRESET;
+ break;
+ case WSAECONNABORTED:
+ errno = ECONNABORTED;
+ break;
+ case WSAECONNRESET:
+ errno = ECONNRESET;
+ break;
+ case WSAENOBUFS:
+ errno = ENOBUFS;
+ break;
+ case WSAEISCONN:
+ errno = EISCONN;
+ break;
+ case WSAENOTCONN:
+ errno = ENOTCONN;
+ break;
+ case WSAETIMEDOUT:
+ errno = ETIMEDOUT;
+ break;
+ case WSAECONNREFUSED:
+ errno = ECONNREFUSED;
+ break;
+ case WSAELOOP:
+ errno = ELOOP;
+ break;
+ case WSAEHOSTUNREACH:
+ errno = EHOSTUNREACH;
+ break;
+ default:
+ errno = (err > 10000 && err < 10025) ? err - 10000 : err;
+ break;
+ }
+}
diff --git a/gnulib/update-gnulib.sh b/gnulib/update-gnulib.sh
index 252f163bf2e..08c43fcfc14 100755
--- a/gnulib/update-gnulib.sh
+++ b/gnulib/update-gnulib.sh
@@ -60,6 +60,7 @@ IMPORTED_GNULIB_MODULES="\
rawmemchr \
readlink \
rename \
+ select \
setenv \
signal-h \
strchrnul \
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