aboutsummaryrefslogtreecommitdiff
path: root/sysdeps/posix/sigblock.c
diff options
context:
space:
mode:
Diffstat (limited to 'sysdeps/posix/sigblock.c')
-rw-r--r--sysdeps/posix/sigblock.c52
1 files changed, 27 insertions, 25 deletions
diff --git a/sysdeps/posix/sigblock.c b/sysdeps/posix/sigblock.c
index 411a952..777710b 100644
--- a/sysdeps/posix/sigblock.c
+++ b/sysdeps/posix/sigblock.c
@@ -1,53 +1,55 @@
-/* Copyright (C) 1991, 1994, 1995 Free Software Foundation, Inc.
-This file is part of the GNU C Library.
+/* Copyright (C) 1991, 1994, 1995, 1996 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
-modify it under the terms of the GNU Library General Public License as
-published by the Free Software Foundation; either version 2 of the
-License, or (at your option) any later version.
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Library General Public License as
+ published by the Free Software Foundation; either version 2 of the
+ License, or (at your option) any later version.
-The GNU C Library is distributed in the hope that it will be useful,
-but WITHOUT ANY WARRANTY; without even the implied warranty of
-MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-Library General Public License for more details.
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Library General Public License for more details.
-You should have received a copy of the GNU Library General Public
-License along with the GNU C Library; see the file COPYING.LIB. If
-not, write to the Free Software Foundation, Inc., 675 Mass Ave,
-Cambridge, MA 02139, USA. */
+ You should have received a copy of the GNU Library General Public
+ License along with the GNU C Library; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
-#include <ansidecl.h>
#include <errno.h>
#include <signal.h>
/* Block signals in MASK, returning the old mask. */
int
-DEFUN(__sigblock, (mask), int mask)
+__sigblock (mask)
+ int mask;
{
register int sig;
sigset_t set, oset;
- if (__sigemptyset(&set) < 0)
+ if (__sigemptyset (&set) < 0)
return -1;
-
+
if (sizeof (mask) == sizeof (set))
*(int *) &set = mask;
+ else if (sizeof (unsigned long int) == sizeof (set))
+ *(unsigned long int *) &set = (unsigned int) mask;
else
for (sig = 1; sig < NSIG; ++sig)
- if ((mask & sigmask(sig)) &&
- __sigaddset(&set, sig) < 0)
+ if ((mask & sigmask (sig)) && __sigaddset (&set, sig) < 0)
return -1;
- if (sigprocmask(SIG_BLOCK, &set, &oset) < 0)
+ if (sigprocmask (SIG_BLOCK, &set, &oset) < 0)
return -1;
- mask = 0;
if (sizeof (mask) == sizeof (oset))
mask = *(int *) &oset;
+ else if (sizeof (unsigned long int) == sizeof (oset))
+ mask = *(unsigned long int*) &oset;
else
- for (sig = 1; sig < NSIG; ++sig)
- if (__sigismember(&oset, sig))
- mask |= sigmask(sig);
+ for (sig = 1, mask = 0; sig < NSIG; ++sig)
+ if (__sigismember (&oset, sig))
+ mask |= sigmask (sig);
return mask;
}