jD91mZM2
25 lines
459 B
C
25 lines
459 B
C
#include <signal.h>
|
|
#include <stdio.h>
|
|
#include <unistd.h>
|
|
#include <errno.h>
|
|
|
|
void handler(int sig) {
|
|
puts("Signal handler called!");
|
|
}
|
|
|
|
int main() {
|
|
if (((size_t) signal(SIGUSR1, &handler)) == SIG_ERR) {
|
|
puts("Signal error!");
|
|
printf("%d\n", errno);
|
|
return 1;
|
|
}
|
|
|
|
puts("Raising...");
|
|
if (raise(SIGUSR1)) {
|
|
puts("Raise error!");
|
|
printf("%d\n", errno);
|
|
return 1;
|
|
}
|
|
puts("Raised.");
|
|
}
|