summaryrefslogtreecommitdiff
path: root/mysys/thr_alarm.c
diff options
context:
space:
mode:
authorunknown <svoj@mysql.com/april.(none)>2007-02-07 01:37:21 +0400
committerunknown <svoj@mysql.com/april.(none)>2007-02-07 01:37:21 +0400
commitefc2771dde0c8407ac5b0dd8e83ac58ba8853076 (patch)
treed528e3ead8992fb52e054d28992ba3843c068e9a /mysys/thr_alarm.c
parentc52165de13ca62c2a596ea05c01e07807432d605 (diff)
downloadmariadb-git-efc2771dde0c8407ac5b0dd8e83ac58ba8853076.tar.gz
Excluded wrongly merged changeset.
Diffstat (limited to 'mysys/thr_alarm.c')
-rw-r--r--mysys/thr_alarm.c47
1 files changed, 22 insertions, 25 deletions
diff --git a/mysys/thr_alarm.c b/mysys/thr_alarm.c
index 9c92333d1bd..170ee8a1b73 100644
--- a/mysys/thr_alarm.c
+++ b/mysys/thr_alarm.c
@@ -34,7 +34,6 @@
#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;
@@ -57,7 +56,9 @@ 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)
@@ -76,16 +77,9 @@ 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 (thd_lib_detected == THD_LIB_LT)
- thr_client_alarm= SIGALRM;
- else
- thr_client_alarm= SIGUSR1;
-#ifndef USE_ALARM_THREAD
- if (thd_lib_detected != THD_LIB_LT)
+#if THR_CLIENT_ALARM != SIGALRM || defined(USE_ALARM_THREAD)
+ my_sigset(THR_CLIENT_ALARM,thread_alarm);
#endif
- {
- my_sigset(thr_client_alarm, thread_alarm);
- }
sigemptyset(&s);
sigaddset(&s, THR_SERVER_ALARM);
alarm_thread=pthread_self();
@@ -103,11 +97,10 @@ void init_thr_alarm(uint max_alarms)
}
#elif defined(USE_ONE_SIGNAL_HAND)
pthread_sigmask(SIG_BLOCK, &s, NULL); /* used with sigwait() */
- if (thd_lib_detected == THD_LIB_LT)
- {
- my_sigset(thr_client_alarm, process_alarm); /* Linuxthreads */
- pthread_sigmask(SIG_UNBLOCK, &s, NULL);
- }
+#if THR_SERVER_ALARM == THR_CLIENT_ALARM
+ my_sigset(THR_CLIENT_ALARM,process_alarm); /* Linuxthreads */
+ pthread_sigmask(SIG_UNBLOCK, &s, NULL);
+#endif
#else
my_sigset(THR_SERVER_ALARM, process_alarm);
pthread_sigmask(SIG_UNBLOCK, &s, NULL);
@@ -158,7 +151,7 @@ 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"));
@@ -278,17 +271,18 @@ 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 (thd_lib_detected == THD_LIB_LT &&
- !pthread_equal(pthread_self(),alarm_thread))
+#if THR_SERVER_ALARM == THR_CLIENT_ALARM
+ if (!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,
@@ -332,7 +326,7 @@ 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");
@@ -356,7 +350,7 @@ 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");
@@ -493,7 +487,7 @@ 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
@@ -503,6 +497,7 @@ static sig_handler thread_alarm(int sig)
my_sigset(sig,thread_alarm); /* int. thread system calls */
#endif
}
+#endif
#ifdef HAVE_TIMESPEC_TS_SEC
@@ -788,7 +783,9 @@ 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
@@ -799,7 +796,7 @@ 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(;;)
{
@@ -867,11 +864,11 @@ 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