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os_dep.c: Use the POSIX signal API in preference to the BSD API.

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* os_dep.c: Use the POSIX signal API in preference to the BSD API.
	Generate a compilation error if neither the POSIX nor BSD APIs can
	be detected.

From-SVN: r154747
This commit is contained in:
Ben Elliston 2009-11-30 00:23:45 +00:00 committed by Ben Elliston
parent 7abe582f9d
commit 1f67f80309
2 changed files with 14 additions and 6 deletions
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6
boehm-gc/ChangeLog
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@ -1,3 +1,9 @@
2009-11-30 Ben Elliston <bje@au.ibm.com>
* os_dep.c: Use the POSIX signal API in preference to the BSD API.
Generate a compilation error if neither the POSIX nor BSD APIs can
be detected.
2009-09-11 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
* Makefile.am (libgcjgc_la_LINK, gctest_LINK): New.

14
boehm-gc/os_dep.c
View File

@ -501,7 +501,13 @@ void GC_enable_signals(void)
&& !defined(MACOS) && !defined(DJGPP) && !defined(DOS4GW) \
&& !defined(NOSYS) && !defined(ECOS)
# if defined(sigmask) && !defined(UTS4) && !defined(HURD)
# if defined(SIG_BLOCK)
/* Use POSIX/SYSV interface */
# define SIGSET_T sigset_t
# define SIG_DEL(set, signal) sigdelset(&(set), (signal))
# define SIG_FILL(set) sigfillset(&set)
# define SIGSETMASK(old, new) sigprocmask(SIG_SETMASK, &(new), &(old))
# elif defined(sigmask) && !defined(UTS4) && !defined(HURD)
/* Use the traditional BSD interface */
# define SIGSET_T int
# define SIG_DEL(set, signal) (set) &= ~(sigmask(signal))
@ -511,11 +517,7 @@ void GC_enable_signals(void)
/* a signal 32. */
# define SIGSETMASK(old, new) (old) = sigsetmask(new)
# else
/* Use POSIX/SYSV interface */
# define SIGSET_T sigset_t
# define SIG_DEL(set, signal) sigdelset(&(set), (signal))
# define SIG_FILL(set) sigfillset(&set)
# define SIGSETMASK(old, new) sigprocmask(SIG_SETMASK, &(new), &(old))
# error undetectable signal API
# endif
static GC_bool mask_initialized = FALSE;