update from main archive 960105 cvs/libc-970107 cvs/libc-970106

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;