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use a separate signal from SIGCANCEL for SIGEV_THREAD timers

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otherwise we cannot support an application's desire to use
asynchronous cancellation within the callback function. this change
also slightly debloats pthread_create.c.
This commit is contained in:
Rich Felker
2011-04-14 12:51:00 -04:00
parent 9beb6330c0
commit 016a5dc192
6 changed files with 29 additions and 11 deletions
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2
src/thread/pthread_create.c
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@ -10,7 +10,6 @@ static void dummy_1(pthread_t self)
{
}
weak_alias(dummy_1, __pthread_tsd_run_dtors);
weak_alias(dummy_1, __sigtimer_handler);
#ifdef __pthread_unwind_next
#undef __pthread_unwind_next
@ -54,7 +53,6 @@ static void docancel(struct pthread *self)
static void cancel_handler(int sig, siginfo_t *si, void *ctx)
{
struct pthread *self = __pthread_self();
if (si->si_code == SI_TIMER) __sigtimer_handler(self);
if (self->cancel && !self->canceldisable &&
(self->cancelasync || (self->cancelpoint==1 && PC_AT_SYS(ctx))))
docancel(self);