diff options
| author | Ulrich Drepper <drepper@redhat.com> | 2002-12-15 10:26:23 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2002-12-15 10:26:23 +0000 |
| commit | 6ee8d3345646ab0bea91891362a2bbf15503edec (patch) | |
| tree | 718ea6deebec61e44b09eb25817ee5c14da35f57 /sysdeps/posix/sigwait.c | |
| parent | 2fb6444dbb9672aea7766b3790a3cb70a73473d3 (diff) | |
| download | glibc-6ee8d3345646ab0bea91891362a2bbf15503edec.tar.gz | |
Update.
2002-12-15 Ulrich Drepper <drepper@redhat.com>
* sysdeps/generic/sysdep-cancel.h: Add dummy definitions for
SINGLE_THREAD_P, LIBC_CANCEL_ASYNC, and LIBC_CANCEL_RESET.
* sysdeps/unix/sysv/linux/open64.c: New file.
* sysdeps/generic/pselect.c: Add support for cancellation handling.
* sysdeps/posix/open64.c: Likewise.
* sysdeps/posix/sigpause.c: Likewise.
* sysdeps/posix/sigwait.c: Likewise.
* sysdeps/posix/system.c: Likewise.
* sysdeps/posix/waitid.c: Likewise.
* sysdeps/unix/sysv/linux/accept.S: Likewise.
* sysdeps/unix/sysv/linux/connect.S: Likewise.
* sysdeps/unix/sysv/linux/llseek.c: Likewise.
* sysdeps/unix/sysv/linux/msgrcv.c: Likewise.
* sysdeps/unix/sysv/linux/msgsnd.c: Likewise.
* sysdeps/unix/sysv/linux/poll.c: Likewise.
* sysdeps/unix/sysv/linux/pread.c: Likewise.
* sysdeps/unix/sysv/linux/pread64.c: Likewise.
* sysdeps/unix/sysv/linux/pwrite.c: Likewise.
* sysdeps/unix/sysv/linux/pwrite64.c: Likewise.
* sysdeps/unix/sysv/linux/readv.c: Likewise.
* sysdeps/unix/sysv/linux/recv.S: Likewise.
* sysdeps/unix/sysv/linux/recvfrom.S: Likewise.
* sysdeps/unix/sysv/linux/recvmsg.S: Likewise.
* sysdeps/unix/sysv/linux/send.S: Likewise.
* sysdeps/unix/sysv/linux/sendmsg.S: Likewise.
* sysdeps/unix/sysv/linux/sendto.S: Likewise.
* sysdeps/unix/sysv/linux/sigsuspend.c: Likewise.
* sysdeps/unix/sysv/linux/sigtimedwait.c: Likewise.
* sysdeps/unix/sysv/linux/sigwait.c: Likewise.
* sysdeps/unix/sysv/linux/sigwaitinfo.c: Likewise.
* sysdeps/unix/sysv/linux/tcdrain.c: Likewise.
* sysdeps/unix/sysv/linux/wait.c: Likewise.
* sysdeps/unix/sysv/linux/waitpid.c: Likewise.
* sysdeps/unix/sysv/linux/writev.c: Likewise.
* sysdeps/unix/sysv/linux/i386/fcntl.c: Likewise.
* sysdeps/unix/sysv/linux/i386/socket.S: Likewise.
Diffstat (limited to 'sysdeps/posix/sigwait.c')
| -rw-r--r-- | sysdeps/posix/sigwait.c | 23 |
1 files changed, 20 insertions, 3 deletions
diff --git a/sysdeps/posix/sigwait.c b/sysdeps/posix/sigwait.c index f2be3225c4..8b422d2b9d 100644 --- a/sysdeps/posix/sigwait.c +++ b/sysdeps/posix/sigwait.c @@ -1,5 +1,5 @@ /* Implementation of sigwait function from POSIX.1c. - Copyright (C) 1996, 1997, 1999, 2000 Free Software Foundation, Inc. + Copyright (C) 1996, 1997, 1999, 2000, 2002 Free Software Foundation, Inc. This file is part of the GNU C Library. Contributed by Ulrich Drepper <drepper@cygnus.com>, 1996. @@ -21,6 +21,7 @@ #include <errno.h> #include <signal.h> #include <stddef.h> /* For NULL. */ +#include <sysdep-cancel.h> /* This is our dummy signal handler we use here. */ static void ignore_signal (int sig); @@ -31,8 +32,8 @@ static void ignore_signal (int sig); static int was_sig; -int -__sigwait (const sigset_t *set, int *sig) +static int +do_sigwait (const sigset_t *set, int *sig) { sigset_t tmp_mask; struct sigaction saved[NSIG]; @@ -80,6 +81,22 @@ __sigwait (const sigset_t *set, int *sig) *sig = was_sig; return was_sig == -1 ? -1 : 0; } + + +int +__sigwait (const sigset_t *set, int *sig) +{ + if (SINGLE_THREAD_P) + return do_sigwait (set, sig); + + int oldtype = LIBC_CANCEL_ASYNC (); + + int result = do_sigwait (set, sig); + + LIBC_CANCEL_RESET (oldtype); + + return result; +} libc_hidden_def (__sigwait) weak_alias (__sigwait, sigwait) |