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authorRoland McGrath <roland@gnu.org>2002-08-27 02:43:22 +0000
committerRoland McGrath <roland@gnu.org>2002-08-27 02:43:22 +0000
commitb5d482d00ef8bc29f0b4dd84812d52759ebdd630 (patch)
tree95299ffce18eb88410cc0d49cc898a9fd40cc302 /sysdeps/posix
parent20acbc25428bb7c9a78de37236285a09108da313 (diff)
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* sysdeps/generic/sigset-cvt-mask.h (sigset_set_old_mask): Replace
macro with inline function. (sigset_get_old_mask): Likewise. * sysdeps/posix/sigblock.c (__sigblock): Update callers. * sysdeps/posix/sigsetmask.c (__sigsetmask): Likewise. * sysdeps/posix/sigpause.c (__sigpause): Likewise. * sysdeps/posix/sigvec.c (__sigvec, sigvec_wrapper_handler): Likewise. * sysdeps/unix/sysv/aix/sigset-cvt-mask.h (sigset_set_old_mask, sigset_get_old_mask): Make these macros return values. * sysdeps/unix/sysv/linux/sigset-cvt-mask.h: Likewise. * sysdeps/unix/sysv/sysv4/sigset-cvt-mask.h: Likewise. 2002-07-06 Bruno Haible <bruno@clisp.org> * sysdeps/generic/sigset-cvt-mask.h (sigset_set_old_mask, sigset_get_old_mask): Make it work with larger sigset_t. * sysdeps/posix/sigblock.c (__sigblock): Use those macros. * sysdeps/posix/sigsetmask.c (__sigsetmask): Likewise. * sysdeps/posix/sigpause.c (__sigpause): Likewise. 2002-08-26 Roland McGrath <roland@redhat.com>
Diffstat (limited to 'sysdeps/posix')
-rw-r--r--sysdeps/posix/sigblock.c27
-rw-r--r--sysdeps/posix/sigpause.c19
-rw-r--r--sysdeps/posix/sigsetmask.c27
-rw-r--r--sysdeps/posix/sigvec.c16
4 files changed, 22 insertions, 67 deletions
diff --git a/sysdeps/posix/sigblock.c b/sysdeps/posix/sigblock.c
index 6edf3a8ff1..143b4c8d4c 100644
--- a/sysdeps/posix/sigblock.c
+++ b/sysdeps/posix/sigblock.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 94, 95, 96, 97, 98, 2001 Free Software Foundation, Inc.
+/* Copyright (C) 1991, 1994-1998, 2001-2002 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
@@ -19,39 +19,22 @@
#include <errno.h>
#include <signal.h>
+#include <sigset-cvt-mask.h>
+
/* Block signals in MASK, returning the old mask. */
int
__sigblock (mask)
int mask;
{
- register unsigned int sig;
sigset_t set, oset;
- if (__sigemptyset (&set) < 0)
+ if (sigset_set_old_mask (&set, mask) < 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 <= sizeof (mask) * 8; ++sig)
- if ((mask & sigmask (sig)) && __sigaddset (&set, sig) < 0)
- return -1;
-
if (__sigprocmask (SIG_BLOCK, &set, &oset) < 0)
return -1;
- 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, mask = 0; sig < NSIG && sig <= sizeof (mask) * 8; ++sig)
- if (__sigismember (&oset, sig))
- mask |= sigmask (sig);
-
- return mask;
+ return sigset_get_old_mask (&oset);
}
weak_alias (__sigblock, sigblock)
diff --git a/sysdeps/posix/sigpause.c b/sysdeps/posix/sigpause.c
index fc5f79e31e..71818740ed 100644
--- a/sysdeps/posix/sigpause.c
+++ b/sysdeps/posix/sigpause.c
@@ -20,13 +20,14 @@
#include <signal.h>
#include <stddef.h> /* For NULL. */
+#include <sigset-cvt-mask.h>
+
/* Set the mask of blocked signals to MASK,
wait for a signal to arrive, and then restore the mask. */
int
__sigpause (int sig_or_mask, int is_sig)
{
sigset_t set;
- int sig;
if (is_sig != 0)
{
@@ -36,20 +37,8 @@ __sigpause (int sig_or_mask, int is_sig)
|| __sigdelset (&set, sig_or_mask) < 0)
return -1;
}
- else
- {
- if (__sigemptyset (&set) < 0)
- return -1;
-
- if (sizeof (sig_or_mask) == sizeof (set))
- *(int *) &set = sig_or_mask;
- else if (sizeof (unsigned long int) == sizeof (set))
- *(unsigned long int *) &set = (unsigned int) sig_or_mask;
- else
- for (sig = 1; sig < NSIG; ++sig)
- if ((sig_or_mask & sigmask (sig)) && __sigaddset (&set, sig) < 0)
- return -1;
- }
+ else if (sigset_set_old_mask (&set, sig_or_mask) < 0)
+ return -1;
return __sigsuspend (&set);
}
diff --git a/sysdeps/posix/sigsetmask.c b/sysdeps/posix/sigsetmask.c
index 7b97a514b0..bb50e4fc10 100644
--- a/sysdeps/posix/sigsetmask.c
+++ b/sysdeps/posix/sigsetmask.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991,1994,1995,1996,1997,2001 Free Software Foundation, Inc.
+/* Copyright (C) 1991,1994-1997,2001-2002 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
@@ -19,38 +19,21 @@
#include <errno.h>
#include <signal.h>
+#include <sigset-cvt-mask.h>
+
/* Set the mask of blocked signals to MASK, returning the old mask. */
int
__sigsetmask (int mask)
{
- register unsigned int sig;
sigset_t set, oset;
- if (__sigemptyset (&set) < 0)
+ if (sigset_set_old_mask (&set, mask) < 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 <= sizeof (mask) * 8; ++sig)
- if ((mask & sigmask (sig)) && __sigaddset (&set, sig) < 0)
- return -1;
-
if (__sigprocmask (SIG_SETMASK, &set, &oset) < 0)
return -1;
- 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, mask = 0; sig < NSIG && sig <= sizeof (mask) * 8; ++sig)
- if (__sigismember (&oset, sig))
- mask |= sigmask (sig);
-
- return mask;
+ return sigset_get_old_mask (&oset);
}
weak_alias (__sigsetmask, sigsetmask)
diff --git a/sysdeps/posix/sigvec.c b/sysdeps/posix/sigvec.c
index d5f7ccdb4a..d1b80e297a 100644
--- a/sysdeps/posix/sigvec.c
+++ b/sysdeps/posix/sigvec.c
@@ -1,4 +1,4 @@
-/* Copyright (C) 1991, 92, 94, 95, 96, 97, 98 Free Software Foundation, Inc.
+/* Copyright (C) 1991,92,94,95,96,97,98,2002 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
@@ -21,7 +21,7 @@
#include <stddef.h>
/* Include macros to convert between `sigset_t' and old-style mask. */
-#include "sigset-cvt-mask.h"
+#include <sigset-cvt-mask.h>
/* We use a wrapper handler to support SV_RESETHAND. */
struct sigvec_wrapper_data
@@ -80,7 +80,8 @@ __sigvec (sig, vec, ovec)
#endif
n = &new;
new.sa_handler = handler;
- sigset_set_old_mask (&new.sa_mask, mask);
+ if (sigset_set_old_mask (&new.sa_mask, mask) < 0)
+ return -1;
new.sa_flags = sa_flags;
}
@@ -122,7 +123,7 @@ __sigvec (sig, vec, ovec)
/* should we use data->sw_mask?? */
sv_flags |= SV_RESETHAND;
}
- sigset_get_old_mask (&old.sa_mask, mask);
+ mask = sigset_get_old_mask (&old.sa_mask);
#ifdef SA_ONSTACK
if (sa_flags & SA_ONSTACK)
sv_flags |= SV_ONSTACK;
@@ -147,19 +148,18 @@ sigvec_wrapper_handler (sig)
int sig;
{
struct sigvec_wrapper_data *data;
- unsigned int mask;
struct sigaction act;
int save;
__sighandler_t handler;
data = &sigvec_wrapper_data[sig];
- mask = data->sw_mask;
act.sa_handler = SIG_DFL;
- sigset_set_old_mask (&act.sa_mask, mask);
act.sa_flags = 0;
- save = errno;
+ sigset_set_old_mask (&act.sa_mask, data->sw_mask);
handler = data->sw_handler;
+ save = errno;
(void) __sigaction (sig, &act, (struct sigaction *) NULL);
__set_errno (save);
+
(*handler) (sig);
}