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>
2002-08-26 Roland McGrath <roland@redhat.com>
+ * 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>
+
* time/sys/time.h [__USE_BSD] (lutimes, futimes): Declare them.
* manual/filesys.texi (File Times): Document lutimes and futimes.
* misc/Makefile (routines): Add them.
/* Convert between lowlevel sigmask and libc representation of sigset_t.
Generic version.
- Copyright (C) 1998 Free Software Foundation, Inc.
+ Copyright (C) 1998, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Joe Keane <jgk@jgk.org>.
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
02111-1307 USA. */
-#define sigset_set_old_mask(set, mask) (*(set) = (unsigned long int) (mask))
+/* Convert between an old-style 32-bit signal mask and a POSIX sigset_t. */
-#define sigset_get_old_mask(set, mask) ((mask) = (unsigned int) *(set))
+/* Perform *SET = MASK. Unused bits of *SET are set to 0.
+ Returns zero for success or -1 for errors (from sigaddset/sigemptyset). */
+static inline int __attribute__ ((unused))
+sigset_set_old_mask (sigset_t *set, int mask)
+{
+ if (sizeof (__sigset_t) == sizeof (unsigned int))
+ *set = (unsigned int) (mask);
+ else
+ {
+ register unsigned int __sig;
+
+ if (__sigemptyset (set) < 0)
+ return -1;
+
+ for (__sig = 1; __sig < NSIG && __sig <= sizeof (mask) * 8; __sig++)
+ if (mask & sigmask (__sig))
+ if (__sigaddset (set, __sig) < 0)
+ return -1;
+ }
+ return 0;
+}
+
+/* Return the sigmask corresponding to *SET.
+ Unused bits of *SET are thrown away. */
+static inline int __attribute__ ((unused))
+sigset_get_old_mask (const sigset_t *set)
+{
+ if (sizeof (sigset_t) == sizeof (unsigned int))
+ return (unsigned int) *set;
+ else
+ {
+ unsigned int mask = 0;
+ register unsigned int sig;
+
+ for (sig = 1; sig < NSIG && sig <= sizeof (mask) * 8; sig++)
+ if (__sigismember (set, sig))
+ mask |= sigmask (sig);
+
+ return mask;
+ }
+}
-/* 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
#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)
#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)
{
|| __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);
}
-/* 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
#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)
-/* 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
#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
#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;
}
/* 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;
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);
}
/* Convert between lowlevel sigmask and libc representation of sigset_t.
AIX version.
- Copyright (C) 1998, 2000 Free Software Foundation, Inc.
+ Copyright (C) 1998,2000,02 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
02111-1307 USA. */
#define sigset_set_old_mask(set, mask) \
- do { \
- (set)->__losigs = (unsigned int) mask; \
- (set)->__hisigs = 0; \
- } while (0)
+ ((set)->__losigs = (unsigned int) (mask), (set)->__hisigs = 0, 0)
#define sigset_get_old_mask(set, mask) \
- ((mask) = (unsigned int) (set)->__losigs)
+ ((unsigned int) (set)->__losigs)
/* Convert between lowlevel sigmask and libc representation of sigset_t.
Linux version.
- Copyright (C) 1998 Free Software Foundation, Inc.
+ Copyright (C) 1998, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Joe Keane <jgk@jgk.org>.
02111-1307 USA. */
#define sigset_set_old_mask(set, mask) \
- do { \
+ ({ \
unsigned long int *__ptr; \
int __cnt; \
__ptr = &(set)->__val[0]; \
do \
*__ptr++ = 0ul; \
while (--__cnt >= 0); \
- } while (0)
+ 0; })
-#define sigset_get_old_mask(set, mask) \
- ((mask) = (unsigned int) (set)->__val[0])
+#define sigset_get_old_mask(set) \
+ ((unsigned int) (set)->__val[0])
/* Convert between lowlevel sigmask and libc representation of sigset_t.
SysVr4 version.
- Copyright (C) 1998 Free Software Foundation, Inc.
+ Copyright (C) 1998, 2002 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Joe Keane <jgk@jgk.org>.
02111-1307 USA. */
#define sigset_set_old_mask(set, mask) \
- do { \
+ ({ \
unsigned long int *__ptr; \
__ptr = &(set)->__sigbits[0]; \
__ptr[0] = (mask); \
__ptr[1] = 0ul; \
__ptr[2] = 0ul; \
__ptr[3] = 0ul; \
- } while (0)
+ 0; })
-#define sigset_get_old_mask(set, mask) \
- ((mask) = (unsigned int) (set)->__sigbits[0])
+#define sigset_get_old_mask(set) \
+ ((unsigned int) (set)->__sigbits[0])
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