Josh Williams
85 lines
1.4 KiB
C
85 lines
1.4 KiB
C
#include <pthread.h>
|
|
#include <stdio.h>
|
|
#include <signal.h>
|
|
#include <errno.h>
|
|
#include <unistd.h>
|
|
#include <stdlib.h>
|
|
#include "signals_list.h"
|
|
#include "../test_helpers.h"
|
|
|
|
// This program verifies that sigpause() suspends the calling process
|
|
// until it receives a signal.
|
|
|
|
#define INMAIN 0
|
|
#define INTHREAD 1
|
|
|
|
int handler_called = 0;
|
|
int returned = 0;
|
|
int return_value = 2;
|
|
int result = 2;
|
|
int sem = INMAIN;
|
|
|
|
void handler() {
|
|
handler_called = 1;
|
|
return;
|
|
}
|
|
void *b_thread_func(void *sig)
|
|
{
|
|
int signum = *(int *)sig;
|
|
printf("Pausing signal %s\n", signum);
|
|
struct sigaction act;
|
|
act.sa_flags = 0;
|
|
act.sa_handler = handler;
|
|
sigemptyset(&act.sa_mask);
|
|
sigaction(signum, &act, 0);
|
|
sigpause(signum);
|
|
returned = 1;
|
|
|
|
return NULL;
|
|
}
|
|
|
|
|
|
int sigpause_suspend(int signum)
|
|
{
|
|
pthread_t new_th;
|
|
int j;
|
|
|
|
int status;
|
|
status = pthread_create(&new_th, NULL, b_thread_func, (void *)&signum);
|
|
ERROR_IF(pthread_create, status, != 0);
|
|
|
|
for (j=0; j<10; j++) {
|
|
sleep(1);
|
|
}
|
|
|
|
status = pthread_kill(new_th, signum);
|
|
ERROR_IF(pthread_kill, status, != 0);
|
|
|
|
sleep(1);
|
|
|
|
ERROR_IF(sigpuase, returned, != 1);
|
|
if (returned != 1){
|
|
printf("returned != 1 \n");
|
|
exit(EXIT_FAILURE);
|
|
}
|
|
|
|
returned = 0;
|
|
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
|
|
int main(){
|
|
for (int i=1; i<N_SIGNALS; i++){
|
|
int sig = signals_list[i].signal;
|
|
if (sig == SIGKILL || sig == SIGSTOP){
|
|
continue;
|
|
}
|
|
sigpause_suspend(sig);
|
|
}
|
|
return EXIT_SUCCESS;
|
|
}
|
|
|
|
|
|
|