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* thread_pthread.c (thread_timer, rb_thread_create_timer_thread):

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handshakes properly.


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@20138 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nobu 2008-11-07 16:14:48 +00:00
parent bd87b50273
commit 8da157ae51
2 changed files with 31 additions and 8 deletions
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5
ChangeLog
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@ -1,3 +1,8 @@
Sat Nov 8 01:14:16 2008 Nobuyoshi Nakada <nobu@ruby-lang.org>
* thread_pthread.c (thread_timer, rb_thread_create_timer_thread):
handshakes properly.
Fri Nov 7 22:51:49 2008 Nobuyoshi Nakada <nobu@ruby-lang.org>
* inits.c (rb_call_inits): do not repeat.

34
thread_pthread.c
View file

@ -116,6 +116,12 @@ native_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex)
pthread_cond_wait(cond, mutex);
}
static void
native_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex, struct timespec *ts)
{
pthread_cond_timedwait(cond, mutex, ts);
}
#define native_cleanup_push pthread_cleanup_push
#define native_cleanup_pop pthread_cleanup_pop
@ -650,6 +656,7 @@ remove_signal_thread_list(rb_thread_t *th)
static pthread_t timer_thread_id;
static pthread_cond_t timer_thread_cond = PTHREAD_COND_INITIALIZER;
static pthread_mutex_t timer_thread_lock = PTHREAD_MUTEX_INITIALIZER;
static struct timespec *
get_ts(struct timespec *ts, unsigned long nsec)
@ -669,12 +676,15 @@ static void *
thread_timer(void *dummy)
{
struct timespec ts;
pthread_mutex_t lock;
int err;
pthread_mutex_init(&lock, 0);
pthread_mutex_lock(&lock);
#define WAIT_FOR_10MS() (pthread_cond_timedwait(&timer_thread_cond, &lock, get_ts(&ts, PER_NANO/100)) == ETIMEDOUT)
while (WAIT_FOR_10MS()) {
native_mutex_lock(&timer_thread_lock);
native_cond_signal(&timer_thread_cond);
#define WAIT_FOR_10MS() native_cond_timedwait(&timer_thread_cond, &timer_thread_lock, get_ts(&ts, PER_NANO/100)
while ((err = WAIT_FOR_10MS()) != 0) {
if (err != ETIMEDOUT) {
rb_bug("thread_timer/timedwait: %d", err);
}
#ifndef __CYGWIN__
if (signal_thread_list_anchor.next) {
FGLOCK(&signal_thread_list_lock, {
@ -689,8 +699,7 @@ thread_timer(void *dummy)
#endif
timer_thread_function(dummy);
}
pthread_mutex_unlock(&lock);
pthread_mutex_destroy(&lock);
native_mutex_unlock(&timer_thread_lock);
return NULL;
}
@ -708,7 +717,10 @@ rb_thread_create_timer_thread(void)
pthread_attr_setstacksize(&attr,
PTHREAD_STACK_MIN + (THREAD_DEBUG ? BUFSIZ : 0));
#endif
native_mutex_lock(&timer_thread_lock);
err = pthread_create(&timer_thread_id, &attr, thread_timer, 0);
native_cond_wait(&timer_thread_cond, &timer_thread_lock);
native_mutex_unlock(&timer_thread_lock);
if (err != 0) {
rb_bug("rb_thread_create_timer_thread: return non-zero (%d)", err);
}
@ -716,6 +728,12 @@ rb_thread_create_timer_thread(void)
rb_disable_interrupt(); /* only timer thread recieve signal */
}
#define native_stop_timer_thread() pthread_cond_signal(&timer_thread_cond)
static void
native_stop_timer_thread(void)
{
native_mutex_lock(&timer_thread_lock);
native_cond_signal(&timer_thread_cond);
native_mutex_unlock(&timer_thread_lock);
}
#endif /* THREAD_SYSTEM_DEPENDENT_IMPLEMENTATION */