66 lines
1.4 KiB
C
66 lines
1.4 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <pthread.h>
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#include <unistd.h>
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#include <signal.h>
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#define max 6
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void handler_sigusr1(int sig) {
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printf("PID %d a reçu un SIGUSR1 : %d\n", getpid(), sig);
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}
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void handler_sigusr2(int sig) {
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printf("PID %d a reçu un SIGUSR2 : %d\n", getpid(), sig);
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exit(2);
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}
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void * fn_thread (void * n) {
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// Masque tous les signaux sauf SIGUSR1
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sigset_t ens_signal;
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sigfillset(&ens_signal);
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sigdelset(&ens_signal,SIGUSR1);
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sigprocmask(SIG_SETMASK, &ens_signal,NULL);
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while (1){
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printf("THREAD up and running.\n");
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sleep(1);
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}
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pthread_exit(0);
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}
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int main () {
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printf("Entry.\n");
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// Configuration des signaux
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struct sigaction action;
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struct sigaction action2;
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action.sa_handler = handler_sigusr1;
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action2.sa_handler = handler_sigusr2;
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if (sigaction(SIGUSR1, &action, NULL) || sigaction(SIGUSR2, &action2, NULL)) {
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printf("Erreur handler (SIGUSR1).\n");
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exit(-1);
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}
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// Création du thread
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pthread_t p1;
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pthread_create (& p1, NULL, fn_thread, NULL);
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// Masque tous les signaux sauf SIGUSR2
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sigset_t ens_signal;
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sigfillset(&ens_signal);
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sigdelset(&ens_signal,SIGUSR2);
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sigprocmask(SIG_SETMASK, &ens_signal,NULL);
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while (1){
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printf("MAIN up and running (pid: %d).\n", getpid());
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sleep(1);
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}
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return 0;
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}
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