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restored run-time thread lib detection

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sql/stacktrace.c:
  removed code duplication
sql/stacktrace.h:
  removed code duplication
This commit is contained in:
unknown
2007-03-28 15:33:29 +02:00
parent 143151229f
commit f8eed3c1ce
8 changed files with 81 additions and 64 deletions
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44
mysys/thr_alarm.c
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@ -34,6 +34,7 @@
#define ETIME ETIMEDOUT
#endif
uint thr_client_alarm;
static int alarm_aborted=1; /* No alarm thread */
my_bool thr_alarm_inited= 0;
volatile my_bool alarm_thread_running= 0;
@ -56,9 +57,7 @@ static void *alarm_handler(void *arg);
#define reschedule_alarms() pthread_kill(alarm_thread,THR_SERVER_ALARM)
#endif
#if THR_CLIENT_ALARM != SIGALRM || defined(USE_ALARM_THREAD)
static sig_handler thread_alarm(int sig __attribute__((unused)));
#endif
static int compare_ulong(void *not_used __attribute__((unused)),
byte *a_ptr,byte* b_ptr)
@ -77,9 +76,13 @@ void init_thr_alarm(uint max_alarms)
sigfillset(&full_signal_set); /* Neaded to block signals */
pthread_mutex_init(&LOCK_alarm,MY_MUTEX_INIT_FAST);
pthread_cond_init(&COND_alarm,NULL);
#if THR_CLIENT_ALARM != SIGALRM || defined(USE_ALARM_THREAD)
my_sigset(THR_CLIENT_ALARM,thread_alarm);
thr_client_alarm= thd_lib_detected == THD_LIB_LT ? SIGALRM : SIGUSR1;
#ifndef USE_ALARM_THREAD
if (thd_lib_detected != THD_LIB_LT)
#endif
{
my_sigset(thr_client_alarm, thread_alarm);
}
sigemptyset(&s);
sigaddset(&s, THR_SERVER_ALARM);
alarm_thread=pthread_self();
@ -97,10 +100,11 @@ void init_thr_alarm(uint max_alarms)
}
#elif defined(USE_ONE_SIGNAL_HAND)
pthread_sigmask(SIG_BLOCK, &s, NULL); /* used with sigwait() */
#if THR_SERVER_ALARM == THR_CLIENT_ALARM
my_sigset(THR_CLIENT_ALARM,process_alarm); /* Linuxthreads */
pthread_sigmask(SIG_UNBLOCK, &s, NULL);
#endif
if (thd_lib_detected == THD_LIB_LT)
{
my_sigset(thr_client_alarm, process_alarm); /* Linuxthreads */
pthread_sigmask(SIG_UNBLOCK, &s, NULL);
}
#else
my_sigset(THR_SERVER_ALARM, process_alarm);
pthread_sigmask(SIG_UNBLOCK, &s, NULL);
@ -152,7 +156,7 @@ my_bool thr_alarm(thr_alarm_t *alrm, uint sec, ALARM *alarm_data)
now=(ulong) time((time_t*) 0);
pthread_sigmask(SIG_BLOCK,&full_signal_set,&old_mask);
pthread_mutex_lock(&LOCK_alarm); /* Lock from threads & alarms */
pthread_mutex_lock(&LOCK_alarm); /* Lock from threads & alarms */
if (alarm_aborted > 0)
{ /* No signal thread */
DBUG_PRINT("info", ("alarm aborted"));
@ -273,18 +277,17 @@ sig_handler process_alarm(int sig __attribute__((unused)))
This must be first as we can't call DBUG inside an alarm for a normal thread
*/
#if THR_SERVER_ALARM == THR_CLIENT_ALARM
if (!pthread_equal(pthread_self(),alarm_thread))
if (thd_lib_detected == THD_LIB_LT &&
!pthread_equal(pthread_self(),alarm_thread))
{
#if defined(MAIN) && !defined(__bsdi__)
printf("thread_alarm in process_alarm\n"); fflush(stdout);
#endif
#ifdef DONT_REMEMBER_SIGNAL
my_sigset(THR_CLIENT_ALARM,process_alarm); /* int. thread system calls */
my_sigset(thr_client_alarm, process_alarm); /* int. thread system calls */
#endif
return;
}
#endif
/*
We have to do do the handling of the alarm in a sub function,
@ -328,7 +331,7 @@ static sig_handler process_alarm_part2(int sig __attribute__((unused)))
alarm_data=(ALARM*) queue_element(&alarm_queue,i);
alarm_data->alarmed=1; /* Info to thread */
if (pthread_equal(alarm_data->thread,alarm_thread) ||
pthread_kill(alarm_data->thread, THR_CLIENT_ALARM))
pthread_kill(alarm_data->thread, thr_client_alarm))
{
#ifdef MAIN
printf("Warning: pthread_kill couldn't find thread!!!\n");
@ -352,7 +355,7 @@ static sig_handler process_alarm_part2(int sig __attribute__((unused)))
alarm_data->alarmed=1; /* Info to thread */
DBUG_PRINT("info",("sending signal to waiting thread"));
if (pthread_equal(alarm_data->thread,alarm_thread) ||
pthread_kill(alarm_data->thread, THR_CLIENT_ALARM))
pthread_kill(alarm_data->thread, thr_client_alarm))
{
#ifdef MAIN
printf("Warning: pthread_kill couldn't find thread!!!\n");
@ -488,7 +491,7 @@ void thr_alarm_info(ALARM_INFO *info)
ARGSUSED
*/
#if THR_CLIENT_ALARM != SIGALRM || defined(USE_ALARM_THREAD)
static sig_handler thread_alarm(int sig)
{
#ifdef MAIN
@ -498,7 +501,6 @@ static sig_handler thread_alarm(int sig)
my_sigset(sig,thread_alarm); /* int. thread system calls */
#endif
}
#endif
#ifdef HAVE_TIMESPEC_TS_SEC
@ -784,9 +786,7 @@ static void *signal_hand(void *arg __attribute__((unused)))
sigaddset(&set,SIGINT);
sigaddset(&set,SIGQUIT);
sigaddset(&set,SIGTERM);
#if THR_CLIENT_ALARM != SIGHUP
sigaddset(&set,SIGHUP);
#endif
#ifdef SIGTSTP
sigaddset(&set,SIGTSTP);
#endif
@ -797,7 +797,7 @@ static void *signal_hand(void *arg __attribute__((unused)))
puts("Starting signal handling thread");
#endif
printf("server alarm: %d thread alarm: %d\n",
THR_SERVER_ALARM,THR_CLIENT_ALARM);
THR_SERVER_ALARM, thr_client_alarm);
DBUG_PRINT("info",("Starting signal and alarm handling thread"));
for(;;)
{
@ -865,11 +865,11 @@ int main(int argc __attribute__((unused)),char **argv __attribute__((unused)))
sigaddset(&set,SIGTSTP);
#endif
sigaddset(&set,THR_SERVER_ALARM);
sigdelset(&set,THR_CLIENT_ALARM);
sigdelset(&set, thr_client_alarm);
(void) pthread_sigmask(SIG_SETMASK,&set,NULL);
#ifdef NOT_USED
sigemptyset(&set);
sigaddset(&set,THR_CLIENT_ALARM);
sigaddset(&set, thr_client_alarm);
VOID(pthread_sigmask(SIG_UNBLOCK, &set, (sigset_t*) 0));
#endif