diff options
Diffstat (limited to 'sysdeps/posix')
| -rw-r--r-- | sysdeps/posix/signal.c | 15 | ||||
| -rw-r--r-- | sysdeps/posix/sigpause.c | 5 | ||||
| -rw-r--r-- | sysdeps/posix/sysv_signal.c (renamed from sysdeps/posix/bsd_signal.c) | 20 |
3 files changed, 26 insertions, 14 deletions
diff --git a/sysdeps/posix/signal.c b/sysdeps/posix/signal.c index 25e7cab617..2e0cf64de3 100644 --- a/sysdeps/posix/signal.c +++ b/sysdeps/posix/signal.c @@ -1,4 +1,5 @@ -/* Copyright (C) 1991, 1992, 1996 Free Software Foundation, Inc. +/* BSD-like signal function. + Copyright (C) 1991, 1992, 1996, 1997 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -20,10 +21,12 @@ #include <signal.h> +sigset_t _sigintr; /* Set by siginterrupt. */ + /* Set the handler for the signal SIG to HANDLER, returning the old handler, or SIG_ERR on error. */ __sighandler_t -signal (sig, handler) +__bsd_signal (sig, handler) int sig; __sighandler_t handler; { @@ -39,12 +42,12 @@ signal (sig, handler) act.sa_handler = handler; if (__sigemptyset (&act.sa_mask) < 0) return SIG_ERR; - act.sa_flags = SA_ONESHOT | SA_NOMASK | SA_INTERRUPT; - act.sa_flags &= ~SA_RESTART; + act.sa_flags = __sigismember (&_sigintr, sig) ? 0 : SA_RESTART; if (__sigaction (sig, &act, &oact) < 0) return SIG_ERR; return oact.sa_handler; } - -weak_alias (signal, ssignal) +weak_alias (__bsd_signal, bsd_signal) +weak_alias (__bsd_signal, signal) +weak_alias (__bsd_signal, ssignal) diff --git a/sysdeps/posix/sigpause.c b/sysdeps/posix/sigpause.c index 8b820ecad9..414019a40d 100644 --- a/sysdeps/posix/sigpause.c +++ b/sysdeps/posix/sigpause.c @@ -1,4 +1,4 @@ -/* Copyright (C) 1991, 92, 94, 95, 96 Free Software Foundation, Inc. +/* Copyright (C) 1991, 92, 94, 95, 96, 97 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -33,7 +33,7 @@ __sigpause (sig_or_mask, is_sig) { /* The modern X/Open implementation is requested. */ if (sigprocmask (0, NULL, &set) < 0 - /* Yes, we call `sigaddset' and not `__sigaddset'. */ + /* Yes, we call `sigdelset' and not `__sigdelset'. */ || sigdelset (&set, sig_or_mask) < 0) return -1; } @@ -66,4 +66,5 @@ __default_sigpause (mask) { return __sigpause (mask, 0); } +#undef sigpause weak_alias (__default_sigpause, sigpause) diff --git a/sysdeps/posix/bsd_signal.c b/sysdeps/posix/sysv_signal.c index 4941485c0d..2b6d5f9d56 100644 --- a/sysdeps/posix/bsd_signal.c +++ b/sysdeps/posix/sysv_signal.c @@ -1,5 +1,4 @@ -/* X/Open compatibility function. - Copyright (C) 1991, 1992, 1996 Free Software Foundation, Inc. +/* Copyright (C) 1991, 1992, 1996, 1997 Free Software Foundation, Inc. This file is part of the GNU C Library. The GNU C Library is free software; you can redistribute it and/or @@ -20,13 +19,21 @@ #include <errno.h> #include <signal.h> - -sigset_t _sigintr; /* Set by siginterrupt. */ +/* Tolerate non-threads versions of Posix */ +#ifndef SA_ONESHOT +#define SA_ONESHOT 0 +#endif +#ifndef SA_NOMASK +#define SA_NOMASK 0 +#endif +#ifndef SA_INTERRUPT +#define SA_INTERRUPT 0 +#endif /* Set the handler for the signal SIG to HANDLER, returning the old handler, or SIG_ERR on error. */ __sighandler_t -bsd_signal (sig, handler) +__sysv_signal (sig, handler) int sig; __sighandler_t handler; { @@ -42,7 +49,8 @@ bsd_signal (sig, handler) act.sa_handler = handler; if (__sigemptyset (&act.sa_mask) < 0) return SIG_ERR; - act.sa_flags = __sigismember (&_sigintr, sig) ? 0 : SA_RESTART; + act.sa_flags = SA_ONESHOT | SA_NOMASK | SA_INTERRUPT; + act.sa_flags &= ~SA_RESTART; if (__sigaction (sig, &act, &oact) < 0) return SIG_ERR; |