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Avoid leaking handles across processes

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Justine Tunney 2023-09-12 01:07:51 -07:00
parent a359de7893
commit 8a0008d985
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GPG key ID: BE714B4575D6E328
44 changed files with 232 additions and 266 deletions
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4
libc/thread/pthread_atfork.c
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@ -24,6 +24,7 @@
#include "libc/errno.h"
#include "libc/intrin/atomic.h"
#include "libc/intrin/dll.h"
#include "libc/intrin/handlock.internal.h"
#include "libc/intrin/leaky.internal.h"
#include "libc/mem/mem.h"
#include "libc/runtime/memtrack.internal.h"
@ -64,11 +65,13 @@ void _pthread_onfork_prepare(void) {
_pthread_onfork(0);
pthread_spin_lock(&_pthread_lock);
__fds_lock();
__hand_lock();
__mmi_lock();
}
void _pthread_onfork_parent(void) {
__mmi_unlock();
__hand_unlock();
__fds_unlock();
pthread_spin_unlock(&_pthread_lock);
_pthread_onfork(1);
@ -87,6 +90,7 @@ void _pthread_onfork_child(void) {
atomic_store_explicit(&pt->cancelled, false, memory_order_relaxed);
// wipe core runtime locks
__hand_init();
pthread_mutexattr_init(&attr);
pthread_mutexattr_settype(&attr, PTHREAD_MUTEX_RECURSIVE);
pthread_mutex_init(&__mmi_lock_obj, &attr);