Merge a88-113-38-195.elisa-laajakaista.fi:/home/my/bk/mysql-4.0

into  a88-113-38-195.elisa-laajakaista.fi:/home/my/bk/mysql-4.1


include/thr_alarm.h:
  Auto merged
mysys/my_pthread.c:
  Auto merged
BUILD/SETUP.sh:
  Merged from 4.0
configure.in:
  Merged from 4.0
include/my_global.h:
  Merged from 4.0
include/my_pthread.h:
  Merged from 4.0
mysys/thr_alarm.c:
  Merged from 4.0
sql/mysqld.cc:
  Merged from 4.0
BUILD/SETUP.sh.rej:
  Merged from 4.0
configure.in.rej:
  Merged from 4.0
include/my_global.h.rej:
  Merged from 4.0
include/my_pthread.h.rej:
  Merged from 4.0
mysys/thr_alarm.c.rej:
  Merged from 4.0
sql/mysqld.cc.rej:
  Merged from 4.0
This commit is contained in:
unknown 2007-01-22 03:33:59 +02:00
commit 077840fa23
12 changed files with 876 additions and 56 deletions

View file

@ -58,9 +58,7 @@ 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)
@ -79,9 +77,13 @@ 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);
#ifndef USE_ALARM_THREAD
if (thd_lib_detected != THD_LIB_LT)
#endif
{
my_sigset(thd_lib_detected == THD_LIB_LT ? SIGALRM : SIGUSR1,
thread_alarm);
}
sigemptyset(&s);
sigaddset(&s, THR_SERVER_ALARM);
alarm_thread=pthread_self();
@ -99,10 +101,12 @@ 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(thd_lib_detected == THD_LIB_LT ? SIGALRM : SIGUSR1,
process_alarm); /* Linuxthreads */
pthread_sigmask(SIG_UNBLOCK, &s, NULL);
}
#else
my_sigset(THR_SERVER_ALARM, process_alarm);
pthread_sigmask(SIG_UNBLOCK, &s, NULL);
@ -153,7 +157,7 @@ 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 +277,18 @@ 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\n"); fflush(stdout);
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(thd_lib_detected == THD_LIB_LT ? SIGALRM : SIGUSR1,
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 +332,8 @@ 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,
thd_lib_detected == THD_LIB_LT ? SIGALRM : SIGUSR1))
{
#ifdef MAIN
printf("Warning: pthread_kill couldn't find thread!!!\n");
@ -352,7 +357,8 @@ 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,
thd_lib_detected == THD_LIB_LT ? SIGALRM : SIGUSR1))
{
#ifdef MAIN
printf("Warning: pthread_kill couldn't find thread!!!\n");
@ -429,16 +435,13 @@ void end_thr_alarm(my_bool free_structures)
if (error == ETIME || error == ETIMEDOUT)
break; /* Don't wait forever */
}
if (!alarm_queue.elements)
delete_queue(&alarm_queue);
alarm_aborted= 1;
pthread_mutex_unlock(&LOCK_alarm);
if (!alarm_thread_running) /* Safety */
{
delete_queue(&alarm_queue);
alarm_aborted= 1;
pthread_mutex_unlock(&LOCK_alarm);
if (!alarm_thread_running) /* Safety */
{
pthread_mutex_destroy(&LOCK_alarm);
pthread_cond_destroy(&COND_alarm);
}
pthread_mutex_destroy(&LOCK_alarm);
pthread_cond_destroy(&COND_alarm);
}
}
else
@ -495,7 +498,7 @@ 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
@ -505,7 +508,6 @@ static sig_handler thread_alarm(int sig)
my_sigset(sig,thread_alarm); /* int. thread system calls */
#endif
}
#endif
#ifdef HAVE_TIMESPEC_TS_SEC
@ -933,9 +935,7 @@ 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
@ -947,7 +947,7 @@ static void *signal_hand(void *arg __attribute__((unused)))
#endif
#endif /* OS2 */
printf("server alarm: %d thread alarm: %d\n",
THR_SERVER_ALARM,THR_CLIENT_ALARM);
THR_SERVER_ALARM, thd_lib_detected == THD_LIB_LT ? SIGALRM : SIGUSR1);
DBUG_PRINT("info",("Starting signal and alarm handling thread"));
for(;;)
{
@ -1019,11 +1019,11 @@ 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, thd_lib_detected == THD_LIB_LT ? SIGALRM : SIGUSR1);
(void) pthread_sigmask(SIG_SETMASK,&set,NULL);
#ifdef NOT_USED
sigemptyset(&set);
sigaddset(&set,THR_CLIENT_ALARM);
sigaddset(&set, thd_lib_detected == THD_LIB_LT ? SIGALRM : SIGUSR1);
VOID(pthread_sigmask(SIG_UNBLOCK, &set, (sigset_t*) 0));
#endif
#endif /* OS2 */
@ -1073,8 +1073,8 @@ int main(int argc __attribute__((unused)),char **argv __attribute__((unused)))
}
}
pthread_mutex_unlock(&LOCK_thread_count);
end_thr_alarm(1);
thr_alarm_info(&alarm_info);
end_thr_alarm(1);
printf("Main_thread: Alarms: %u max_alarms: %u next_alarm_time: %lu\n",
alarm_info.active_alarms, alarm_info.max_used_alarms,
alarm_info.next_alarm_time);