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perf: reuse timers #12539

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1 change: 0 additions & 1 deletion Zend/zend_execute_API.c
Original file line number Diff line number Diff line change
Expand Up @@ -407,7 +407,6 @@ void shutdown_executor(void) /* {{{ */
zend_shutdown_executor_values(fast_shutdown);

zend_weakrefs_shutdown();
zend_max_execution_timer_shutdown();
zend_fiber_shutdown();

zend_try {
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9 changes: 8 additions & 1 deletion Zend/zend_max_execution_timer.c
Original file line number Diff line number Diff line change
Expand Up @@ -35,18 +35,25 @@

ZEND_API void zend_max_execution_timer_init(void) /* {{{ */
{
pid_t pid = getpid();

if (EG(pid) == pid) {
return;
}

struct sigevent sev;
sev.sigev_notify = SIGEV_THREAD_ID;
sev.sigev_value.sival_ptr = &EG(max_execution_timer_timer);
sev.sigev_signo = SIGRTMIN;
sev.sigev_notify_thread_id = (pid_t) syscall(SYS_gettid);

EG(pid) = getpid();
// Measure wall time instead of CPU time as originally planned now that it is possible https://github.com/php/php-src/pull/6504#issuecomment-1370303727
if (timer_create(CLOCK_BOOTTIME, &sev, &EG(max_execution_timer_timer)) != 0) {
zend_strerror_noreturn(E_ERROR, errno, "Could not create timer");
}

EG(pid) = pid;

# ifdef MAX_EXECUTION_TIMERS_DEBUG
fprintf(stderr, "Timer %#jx created on thread %d\n", (uintmax_t) EG(max_execution_timer_timer), sev.sigev_notify_thread_id);
# endif
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