diff options
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 f2be322..8b422d2 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) |