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waitpid: use events instead of semaphores

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Matheus
2026-04-15 16:59:37 -03:00
parent 4c56604915
commit 41ed077298
4 changed files with 22 additions and 13 deletions
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kernel-src/sys/proc.c
+4 -4
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@@ -98,7 +98,6 @@ proc_t *proc_create() {
proc->refcount = 1;
proc->fdfirst = 3;
MUTEX_INIT(&proc->fdmutex);
SEMAPHORE_INIT(&proc->waitsem, 0);
SPINLOCK_INIT(proc->jobctllock);
SPINLOCK_INIT(proc->pgrp.lock);
SPINLOCK_INIT(proc->signals.lock);
@@ -107,6 +106,7 @@ proc_t *proc_create() {
itimer_init(&proc->timer.virtualtime, vtdpc, proc);
itimer_init(&proc->timer.profiling, profdpc, proc);
SPINLOCK_INIT(proc->threadlistlock);
EVENT_INITHEADER(&proc->child_exit_event);
proc->fd = alloc(sizeof(fd_t) * 3);
if (proc->fd == NULL) {
@@ -299,10 +299,10 @@ void proc_exit(void) {
MUTEX_RELEASE(&proc->mutex);
signal_signalproc(proc->parent, SIGCHLD);
semaphore_signal(&proc->parent->waitsem);
EVENT_SIGNAL(&proc->parent->child_exit_event);
// TODO sigaction flag for this
for (int i = 0; i < belowzombiecount; ++i) {
semaphore_signal(&init_proc->waitsem);
if (belowzombiecount) {
EVENT_SIGNAL(&init_proc->child_exit_event);
}
}