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sigsuspend: proper behaviour

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Matheus
2024-09-09 18:05:54 -03:00
parent 85cbdc05c1
commit caec7d4daa
4 changed files with 30 additions and 10 deletions
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kernel-src/sys/syscalls/sigsuspend.c
+1 -7
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@@ -8,18 +8,12 @@ syscallret_t syscall_sigsuspend(context_t *, sigset_t *umask) {
};
sigset_t mask;
sigset_t old;
ret.errno = usercopy_fromuser(&mask, umask, sizeof(sigset_t));
if (ret.errno)
return ret;
signal_changemask(_cpu()->thread, SIG_SETMASK, &mask, &old);
sched_preparesleep(true);
__assert(sched_yield() == SCHED_WAKEUP_REASON_INTERRUPTED);
signal_changemask(_cpu()->thread, SIG_SETMASK, &old, NULL);
signal_suspend(&mask);
ret.errno = EINTR;
return ret;