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merges r31482 from trunk into ruby_1_9_2.

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--
* thread_pthread.c (native_cond_timedwait): add to care EINTR.
* thread_pthread.c (thread_timer): remove EINTR check.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_9_2@31832 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
yugui 2011-05-31 00:11:44 +00:00
parent eff01662e4
commit d3398c196b
3 changed files with 21 additions and 4 deletions
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18
thread_pthread.c
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@ -133,10 +133,22 @@ native_cond_wait(pthread_cond_t *cond, pthread_mutex_t *mutex)
static int
native_cond_timedwait(pthread_cond_t *cond, pthread_mutex_t *mutex, struct timespec *ts)
{
int r = pthread_cond_timedwait(cond, mutex, ts);
if (r != 0 && r != ETIMEDOUT && r != EINTR /* Linux */) {
int r;
/*
* An old Linux may return EINTR. Even though POSIX says
* "These functions shall not return an error code of [EINTR]".
* http://pubs.opengroup.org/onlinepubs/009695399/functions/pthread_cond_timedwait.html
* Let's hide it from arch generic code.
*/
do {
r = pthread_cond_timedwait(cond, mutex, ts);
} while (r == EINTR);
if (r != 0 && r != ETIMEDOUT) {
rb_bug_errno("pthread_cond_timedwait", r);
}
return r;
}
@ -789,7 +801,7 @@ thread_timer(void *dummy)
while (system_working > 0) {
int err = WAIT_FOR_10MS();
if (err == ETIMEDOUT);
else if (err == 0 || err == EINTR) {
else if (err == 0) {
if (rb_signal_buff_size() == 0) break;
}
else rb_bug_errno("thread_timer/timedwait", err);