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Fix wait_timeout (and kill) handling on Mac OS X by cleaning up how

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signal handlers are set up, the blocking flags for sockets are set,
and which thread-related functions are used. (Bug #8731)
This commit is contained in:
jimw@mysql.com
2005-10-11 09:12:12 -07:00
parent 52181cc810
commit c8a6c2c614
11 changed files with 77 additions and 99 deletions
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35
include/my_pthread.h
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@@ -289,8 +289,6 @@ extern int my_pthread_create_detached;
#undef HAVE_PTHREAD_RWLOCK_RDLOCK
#undef HAVE_SNPRINTF
#define sigset(A,B) pthread_signal((A),(void (*)(int)) (B))
#define signal(A,B) pthread_signal((A),(void (*)(int)) (B))
#define my_pthread_attr_setprio(A,B)
#endif /* defined(PTHREAD_SCOPE_GLOBAL) && !defined(PTHREAD_SCOPE_SYSTEM) */
@@ -322,14 +320,26 @@ extern int my_pthread_cond_init(pthread_cond_t *mp,
#if !defined(HAVE_SIGWAIT) && !defined(HAVE_mit_thread) && !defined(HAVE_rts_threads) && !defined(sigwait) && !defined(alpha_linux_port) && !defined(HAVE_NONPOSIX_SIGWAIT) && !defined(HAVE_DEC_3_2_THREADS) && !defined(_AIX)
int sigwait(sigset_t *setp, int *sigp); /* Use our implemention */
#endif
#if !defined(HAVE_SIGSET) && !defined(HAVE_mit_thread) && !defined(sigset)
#define sigset(A,B) do { struct sigaction s; sigset_t set; \
sigemptyset(&set); \
s.sa_handler = (B); \
s.sa_mask = set; \
s.sa_flags = 0; \
sigaction((A), &s, (struct sigaction *) NULL); \
} while (0)
/*
We define my_sigset() and use that instead of the system sigset() so that
we can favor an implementation based on sigaction(). On some systems, such
as Mac OS X, sigset() results in flags such as SA_RESTART being set, and
we want to make sure that no such flags are set.
*/
#if defined(HAVE_SIGACTION) && !defined(my_sigset)
#define my_sigset(A,B) do { struct sigaction s; sigset_t set; \
sigemptyset(&set); \
s.sa_handler = (B); \
s.sa_mask = set; \
s.sa_flags = 0; \
sigaction((A), &s, (struct sigaction *) NULL); \
} while (0)
#elif defined(HAVE_SIGSET) && !defined(my_sigset)
#define my_sigset(A,B) sigset((A),(B))
#elif !defined(my_sigset)
#define my_sigset(A,B) signal((A),(B))
#endif
#ifndef my_pthread_setprio
@@ -409,16 +419,13 @@ struct tm *gmtime_r(const time_t *clock, struct tm *res);
#define pthread_detach_this_thread() { pthread_t tmp=pthread_self() ; pthread_detach(&tmp); }
#endif
#ifdef HAVE_DARWIN_THREADS
#ifdef HAVE_DARWIN5_THREADS
#define pthread_sigmask(A,B,C) sigprocmask((A),(B),(C))
#define pthread_kill(A,B) pthread_dummy(0)
#define pthread_condattr_init(A) pthread_dummy(0)
#define pthread_condattr_destroy(A) pthread_dummy(0)
#define pthread_signal(A,B) pthread_dummy(0)
#undef pthread_detach_this_thread
#define pthread_detach_this_thread() { pthread_t tmp=pthread_self() ; pthread_detach(tmp); }
#undef sigset
#define sigset(A,B) pthread_signal((A),(void (*)(int)) (B))
#endif
#if ((defined(HAVE_PTHREAD_ATTR_CREATE) && !defined(HAVE_SIGWAIT)) || defined(HAVE_DEC_3_2_THREADS)) && !defined(HAVE_CTHREADS_WRAPPER)