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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:
commit
077840fa23
12 changed files with 876 additions and 56 deletions
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@ -58,9 +58,7 @@ static void *alarm_handler(void *arg);
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#define reschedule_alarms() pthread_kill(alarm_thread,THR_SERVER_ALARM)
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#endif
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#if THR_CLIENT_ALARM != SIGALRM || defined(USE_ALARM_THREAD)
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static sig_handler thread_alarm(int sig __attribute__((unused)));
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#endif
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static int compare_ulong(void *not_used __attribute__((unused)),
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byte *a_ptr,byte* b_ptr)
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@ -79,9 +77,13 @@ void init_thr_alarm(uint max_alarms)
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sigfillset(&full_signal_set); /* Neaded to block signals */
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pthread_mutex_init(&LOCK_alarm,MY_MUTEX_INIT_FAST);
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pthread_cond_init(&COND_alarm,NULL);
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#if THR_CLIENT_ALARM != SIGALRM || defined(USE_ALARM_THREAD)
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my_sigset(THR_CLIENT_ALARM,thread_alarm);
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#ifndef USE_ALARM_THREAD
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if (thd_lib_detected != THD_LIB_LT)
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#endif
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{
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my_sigset(thd_lib_detected == THD_LIB_LT ? SIGALRM : SIGUSR1,
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thread_alarm);
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}
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sigemptyset(&s);
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sigaddset(&s, THR_SERVER_ALARM);
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alarm_thread=pthread_self();
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@ -99,10 +101,12 @@ void init_thr_alarm(uint max_alarms)
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}
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#elif defined(USE_ONE_SIGNAL_HAND)
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pthread_sigmask(SIG_BLOCK, &s, NULL); /* used with sigwait() */
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#if THR_SERVER_ALARM == THR_CLIENT_ALARM
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my_sigset(THR_CLIENT_ALARM,process_alarm); /* Linuxthreads */
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pthread_sigmask(SIG_UNBLOCK, &s, NULL);
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#endif
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if (thd_lib_detected == THD_LIB_LT)
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{
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my_sigset(thd_lib_detected == THD_LIB_LT ? SIGALRM : SIGUSR1,
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process_alarm); /* Linuxthreads */
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pthread_sigmask(SIG_UNBLOCK, &s, NULL);
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}
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#else
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my_sigset(THR_SERVER_ALARM, process_alarm);
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pthread_sigmask(SIG_UNBLOCK, &s, NULL);
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@ -153,7 +157,7 @@ my_bool thr_alarm(thr_alarm_t *alrm, uint sec, ALARM *alarm_data)
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now=(ulong) time((time_t*) 0);
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pthread_sigmask(SIG_BLOCK,&full_signal_set,&old_mask);
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pthread_mutex_lock(&LOCK_alarm); /* Lock from threads & alarms */
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pthread_mutex_lock(&LOCK_alarm); /* Lock from threads & alarms */
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if (alarm_aborted > 0)
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{ /* No signal thread */
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DBUG_PRINT("info", ("alarm aborted"));
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@ -273,18 +277,18 @@ sig_handler process_alarm(int sig __attribute__((unused)))
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This must be first as we can't call DBUG inside an alarm for a normal thread
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*/
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#if THR_SERVER_ALARM == THR_CLIENT_ALARM
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if (!pthread_equal(pthread_self(),alarm_thread))
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if (thd_lib_detected == THD_LIB_LT &&
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!pthread_equal(pthread_self(),alarm_thread))
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{
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#if defined(MAIN) && !defined(__bsdi__)
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printf("thread_alarm\n"); fflush(stdout);
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printf("thread_alarm in process_alarm\n"); fflush(stdout);
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#endif
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#ifdef DONT_REMEMBER_SIGNAL
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my_sigset(THR_CLIENT_ALARM,process_alarm); /* int. thread system calls */
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my_sigset(thd_lib_detected == THD_LIB_LT ? SIGALRM : SIGUSR1,
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process_alarm); /* int. thread system calls */
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#endif
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return;
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}
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#endif
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/*
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We have to do do the handling of the alarm in a sub function,
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@ -328,7 +332,8 @@ static sig_handler process_alarm_part2(int sig __attribute__((unused)))
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alarm_data=(ALARM*) queue_element(&alarm_queue,i);
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alarm_data->alarmed=1; /* Info to thread */
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if (pthread_equal(alarm_data->thread,alarm_thread) ||
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pthread_kill(alarm_data->thread, THR_CLIENT_ALARM))
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pthread_kill(alarm_data->thread,
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thd_lib_detected == THD_LIB_LT ? SIGALRM : SIGUSR1))
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{
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#ifdef MAIN
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printf("Warning: pthread_kill couldn't find thread!!!\n");
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@ -352,7 +357,8 @@ static sig_handler process_alarm_part2(int sig __attribute__((unused)))
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alarm_data->alarmed=1; /* Info to thread */
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DBUG_PRINT("info",("sending signal to waiting thread"));
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if (pthread_equal(alarm_data->thread,alarm_thread) ||
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pthread_kill(alarm_data->thread, THR_CLIENT_ALARM))
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pthread_kill(alarm_data->thread,
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thd_lib_detected == THD_LIB_LT ? SIGALRM : SIGUSR1))
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{
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#ifdef MAIN
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printf("Warning: pthread_kill couldn't find thread!!!\n");
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@ -429,16 +435,13 @@ void end_thr_alarm(my_bool free_structures)
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if (error == ETIME || error == ETIMEDOUT)
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break; /* Don't wait forever */
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}
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if (!alarm_queue.elements)
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delete_queue(&alarm_queue);
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alarm_aborted= 1;
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pthread_mutex_unlock(&LOCK_alarm);
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if (!alarm_thread_running) /* Safety */
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{
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delete_queue(&alarm_queue);
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alarm_aborted= 1;
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pthread_mutex_unlock(&LOCK_alarm);
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if (!alarm_thread_running) /* Safety */
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{
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pthread_mutex_destroy(&LOCK_alarm);
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pthread_cond_destroy(&COND_alarm);
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}
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pthread_mutex_destroy(&LOCK_alarm);
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pthread_cond_destroy(&COND_alarm);
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}
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}
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else
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@ -495,7 +498,7 @@ void thr_alarm_info(ALARM_INFO *info)
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ARGSUSED
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*/
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#if THR_CLIENT_ALARM != SIGALRM || defined(USE_ALARM_THREAD)
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static sig_handler thread_alarm(int sig)
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{
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#ifdef MAIN
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@ -505,7 +508,6 @@ static sig_handler thread_alarm(int sig)
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my_sigset(sig,thread_alarm); /* int. thread system calls */
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#endif
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}
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#endif
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#ifdef HAVE_TIMESPEC_TS_SEC
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@ -933,9 +935,7 @@ static void *signal_hand(void *arg __attribute__((unused)))
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sigaddset(&set,SIGINT);
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sigaddset(&set,SIGQUIT);
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sigaddset(&set,SIGTERM);
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#if THR_CLIENT_ALARM != SIGHUP
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sigaddset(&set,SIGHUP);
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#endif
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#ifdef SIGTSTP
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sigaddset(&set,SIGTSTP);
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#endif
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@ -947,7 +947,7 @@ static void *signal_hand(void *arg __attribute__((unused)))
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#endif
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#endif /* OS2 */
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printf("server alarm: %d thread alarm: %d\n",
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THR_SERVER_ALARM,THR_CLIENT_ALARM);
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THR_SERVER_ALARM, thd_lib_detected == THD_LIB_LT ? SIGALRM : SIGUSR1);
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DBUG_PRINT("info",("Starting signal and alarm handling thread"));
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for(;;)
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{
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@ -1019,11 +1019,11 @@ int main(int argc __attribute__((unused)),char **argv __attribute__((unused)))
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sigaddset(&set,SIGTSTP);
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#endif
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sigaddset(&set,THR_SERVER_ALARM);
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sigdelset(&set,THR_CLIENT_ALARM);
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sigdelset(&set, thd_lib_detected == THD_LIB_LT ? SIGALRM : SIGUSR1);
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(void) pthread_sigmask(SIG_SETMASK,&set,NULL);
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#ifdef NOT_USED
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sigemptyset(&set);
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sigaddset(&set,THR_CLIENT_ALARM);
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sigaddset(&set, thd_lib_detected == THD_LIB_LT ? SIGALRM : SIGUSR1);
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VOID(pthread_sigmask(SIG_UNBLOCK, &set, (sigset_t*) 0));
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#endif
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#endif /* OS2 */
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@ -1073,8 +1073,8 @@ int main(int argc __attribute__((unused)),char **argv __attribute__((unused)))
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}
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}
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pthread_mutex_unlock(&LOCK_thread_count);
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end_thr_alarm(1);
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thr_alarm_info(&alarm_info);
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end_thr_alarm(1);
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printf("Main_thread: Alarms: %u max_alarms: %u next_alarm_time: %lu\n",
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alarm_info.active_alarms, alarm_info.max_used_alarms,
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alarm_info.next_alarm_time);
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