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| author | Paul Eggert <eggert@cs.ucla.edu> | 2016-01-24 14:50:47 -0800 |
|---|---|---|
| committer | Paul Eggert <eggert@cs.ucla.edu> | 2016-01-24 14:51:22 -0800 |
| commit | 1698036a43d9e2c55ead6216ea7156df8615da47 (patch) | |
| tree | 60bb61c907536ebc38c6b301fd754028b8a9b542 /m4/fcntl.m4 | |
| parent | fbce4757a874cc43806eb41b8637538b101c3c69 (diff) | |
| download | emacs-1698036a43d9e2c55ead6216ea7156df8615da47.tar.gz | |
Merge from gnulib
This incorporates:
2016-01-24 openat_proc_name: fix last '/' overwritten on OS/2 kLIBC
2016-01-24 closedir, dirfd, opendir: port to OpenSolaris 5.10
2016-01-15 detect utimes() correctly on OS/2 kLIBC
2016-01-15 openat_proc_name: port to OS/2 kLIBC
2016-01-14 stdint: check _INTPTR_T_DECLARED for intptr_t etc.
2016-01-14 opendir, closedir, dirfd, fdopendir: port to OS/2 kLIBC
2016-01-14 dup, dup2, fcntl: support a directory fd on OS/2 kLIBC
2016-01-14 binary-io: don't put fd in binary mode if a console on EMX
2016-01-14 sig2str: list all signals on FreeBSD >= 7
2016-01-13 acl-permissions: port to USE_ACL==0 platforms
2016-01-12 mktime: rename macro to avoid glibc clash
2016-01-12 Port "$@" to OpenIndiana ksh93
2016-01-12 Port Universal Time settings to strict POSIX
* build-aux/gitlog-to-changelog, build-aux/update-copyright:
* doc/misc/texinfo.tex, lib/acl-internal.c, lib/acl-internal.h:
* lib/binary-io.h, lib/dirent.in.h, lib/dirfd.c, lib/dup2.c:
* lib/fcntl.c, lib/fdopendir.c, lib/mktime.c, lib/openat-proc.c:
* lib/sig2str.h, lib/stdint.in.h, m4/dirfd.m4, m4/dup2.m4:
* m4/fcntl.m4, m4/utimes.m4:
Copy from gnulib.
* m4/gnulib-comp.m4: Regenerate.
Diffstat (limited to 'm4/fcntl.m4')
| -rw-r--r-- | m4/fcntl.m4 | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/m4/fcntl.m4 b/m4/fcntl.m4 index 0037e5fb650..bb61470b2e1 100644 --- a/m4/fcntl.m4 +++ b/m4/fcntl.m4 @@ -1,4 +1,4 @@ -# fcntl.m4 serial 8 +# fcntl.m4 serial 9 dnl Copyright (C) 2009-2016 Free Software Foundation, Inc. dnl This file is free software; the Free Software Foundation dnl gives unlimited permission to copy and/or distribute it, @@ -54,6 +54,17 @@ AC_DEFUN([gl_FUNC_FCNTL], if (errno != EINVAL) result |= 2; if (fcntl (0, F_DUPFD, bad_fd) != -1) result |= 4; if (errno != EINVAL) result |= 8; + /* On OS/2 kLIBC, F_DUPFD does not work on a directory fd */ + { + int fd; + fd = open (".", O_RDONLY); + if (fd == -1) + result |= 16; + else if (fcntl (fd, F_DUPFD, STDERR_FILENO + 1) == -1) + result |= 32; + + close (fd); + } return result;]])], [gl_cv_func_fcntl_f_dupfd_works=yes], [gl_cv_func_fcntl_f_dupfd_works=no], |