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propagate exit code and signal

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This commit is contained in:
Tomoki Shirasawa
2013-12-10 14:40:22 +09:00
parent 6d9bf6ad84
commit daec3b2f32
1 changed files with 11 additions and 3 deletions
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14
executer/user/mcexec.c
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@@ -858,6 +858,8 @@ int main_loop(int fd, int cpu, pthread_mutex_t *lock)
struct syscall_wait_desc w;
long ret;
char *fn;
int sig;
int term;
w.cpu = cpu;
@@ -909,13 +911,15 @@ int main_loop(int fd, int cpu, pthread_mutex_t *lock)
case __NR_exit:
case __NR_exit_group:
sig = 0;
term = 0;
do_syscall_return(fd, cpu, 0, 0, 0, 0, 0);
__dprintf("__NR_exit/__NR_exit_group: %ld (cpu_id: %d)\n",
w.sr.args[0], cpu);
if(w.sr.number == __NR_exit_group){
int sig = w.sr.args[0] & 0x7f;
int term = (w.sr.args[0] & 0xff00) >> 8;
sig = w.sr.args[0] & 0x7f;
term = (w.sr.args[0] & 0xff00) >> 8;
if(sig)
fprintf(stderr, "Terminate by signal %d\n", sig);
else if(term)
@@ -933,7 +937,11 @@ int main_loop(int fd, int cpu, pthread_mutex_t *lock)
mc_cmd_server_exit();
__dprint("mccmd server exited\n");
#endif
exit(0);
if(sig){
signal(sig, SIG_DFL);
kill(getpid(), sig);
}
exit(term);
//pthread_mutex_unlock(lock);
return w.sr.args[0];