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thread_pthread.c: do not wakeup inside child processes

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* thread_pthread.c (rb_thread_wakeup_timer_thread): check
  ownership before incrementing
  (rb_thread_wakeup_timer_thread_low): ditto
  [Bug #13794] [ruby-core:83064]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@60079 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
normal 2017-09-30 21:50:42 +00:00
parent 8efc41329d
commit b860f06413
1 changed files with 10 additions and 6 deletions
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16
thread_pthread.c
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@ -1318,17 +1318,21 @@ void
rb_thread_wakeup_timer_thread(void)
{
/* must be safe inside sighandler, so no mutex */
ATOMIC_INC(timer_thread_pipe.writing);
rb_thread_wakeup_timer_thread_fd(&timer_thread_pipe.normal[1]);
ATOMIC_DEC(timer_thread_pipe.writing);
if (timer_thread_pipe.owner_process == getpid()) {
ATOMIC_INC(timer_thread_pipe.writing);
rb_thread_wakeup_timer_thread_fd(&timer_thread_pipe.normal[1]);
ATOMIC_DEC(timer_thread_pipe.writing);
}
}
static void
rb_thread_wakeup_timer_thread_low(void)
{
ATOMIC_INC(timer_thread_pipe.writing);
rb_thread_wakeup_timer_thread_fd(&timer_thread_pipe.low[1]);
ATOMIC_DEC(timer_thread_pipe.writing);
if (timer_thread_pipe.owner_process == getpid()) {
ATOMIC_INC(timer_thread_pipe.writing);
rb_thread_wakeup_timer_thread_fd(&timer_thread_pipe.low[1]);
ATOMIC_DEC(timer_thread_pipe.writing);
}
}
/* VM-dependent API is not available for this function */