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signal: way to signal all processes

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Matheus
2024-09-05 16:36:52 -03:00
parent c2e50547cc
commit 2e302a4d38
3 changed files with 29 additions and 6 deletions
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kernel-src/sys/syscalls/kill.c
+3 -6
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@@ -19,14 +19,9 @@ syscallret_t syscall_kill(context_t *context, int pid, int signal) {
effectivepid = -1;
else if (pid < -1)
effectivepid = -pid; // target specific process group
if (effectivepid == -1) {
ret.errno = ESRCH;
return ret;
}
proc_t *target = sched_getprocfrompid(effectivepid);
if (target == NULL && pid != 0) {
if (target == NULL && pid != 0 && pid != -1) {
ret.errno = ESRCH;
return ret;
}
@@ -43,6 +38,8 @@ syscallret_t syscall_kill(context_t *context, int pid, int signal) {
}
signal_signalproc(target, signal);
} else if (pid == -1) {
ret.errno = sched_signalall(signal, _cpu()->thread->proc);
} else {
ret.errno = jobctl_signal(target, signal, _cpu()->thread->proc);
}