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signals: more general changes

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Matheus
2024-05-17 18:48:57 -03:00
parent 7b0cc4c51b
commit 1b63e9b436
13 changed files with 135 additions and 54 deletions
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kernel-src/sys/scheduler.c
+7 -5
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@@ -290,11 +290,11 @@ void sched_procexit() {
MUTEX_ACQUIRE(&sched_initproc->mutex, false);
bool haszombie = false;
int belowzombiecount = 0;
while (lastchild && lastchild->sibling) {
if (lastchild->state == SCHED_PROC_STATE_ZOMBIE)
haszombie = true;
++belowzombiecount;
lastchild->parent = sched_initproc;
lastchild = lastchild->sibling;
@@ -308,8 +308,10 @@ void sched_procexit() {
MUTEX_RELEASE(&sched_initproc->mutex);
MUTEX_RELEASE(&proc->mutex);
signal_signalproc(proc->parent, SIGCHLD);
semaphore_signal(&proc->parent->waitsem);
if (haszombie)
// TODO sigaction flag for this
for (int i = 0; i < belowzombiecount; ++i)
semaphore_signal(&sched_initproc->waitsem);
}
@@ -363,7 +365,7 @@ __attribute__((noreturn)) void sched_threadexit() {
}
// called right before going back to userspace in places like the syscall handler or arch_context_switch
__attribute__((no_caller_saved_registers)) void sched_userspacecheck(context_t *context) {
__attribute__((no_caller_saved_registers)) void sched_userspacecheck(context_t *context, bool syscall, uint64_t syscallerrno, uint64_t syscallret) {
thread_t *thread = _cpu()->thread;
if (thread == NULL || ARCH_CONTEXT_ISUSER(context) == false)
return;
@@ -373,7 +375,7 @@ __attribute__((no_caller_saved_registers)) void sched_userspacecheck(context_t *
sched_threadexit();
}
signal_check(thread, context);
signal_check(thread, context, syscall, syscallret, syscallerrno);
}
void sched_stopotherthreads() {