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Re-throw a signal

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Previously, mold exists silently when it gets killed by SIGSEGV.
This change makes it verbose; now the parent process would report
an error.
This commit is contained in:
Rui Ueyama 2024-03-11 16:03:41 +09:00
parent c85dd8881b
commit c4b69a1077
1 changed files with 7 additions and 1 deletions
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8
common/main.cc
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@ -130,6 +130,7 @@ static void sighandler(int signo, siginfo_t *info, void *ucontext) {
static std::mutex mu;
std::scoped_lock lock{mu};
// Handle disk full error
switch (signo) {
case SIGSEGV:
case SIGBUS:
@ -145,7 +146,12 @@ static void sighandler(int signo, siginfo_t *info, void *ucontext) {
}
}
_exit(1);
// Re-throw the signal
signal(SIGSEGV, SIG_DFL);
signal(SIGBUS, SIG_DFL);
signal(SIGABRT, SIG_DFL);
raise(signo);
}
void install_signal_handler() {