mirror of
git://sourceware.org/git/lvm2.git
synced 2024-12-23 21:35:29 +03:00
41 lines
818 B
C
41 lines
818 B
C
#include <unistd.h>
|
|
#include <stdio.h>
|
|
#include <stdarg.h>
|
|
#include <sys/types.h>
|
|
#include <sys/wait.h>
|
|
|
|
int main(int args, char **argv) {
|
|
pid_t pid;
|
|
int status;
|
|
int FAILURE = 6;
|
|
|
|
if (args < 2) {
|
|
fprintf(stderr, "Need args\n");
|
|
return FAILURE;
|
|
}
|
|
|
|
pid = fork();
|
|
if (pid == -1) {
|
|
fprintf(stderr, "Could not fork\n");
|
|
return FAILURE;
|
|
} else if (pid == 0) { /* child */
|
|
execvp(argv[1], &argv[1]);
|
|
/* should not be accessible */
|
|
return FAILURE;
|
|
} else { /* parent */
|
|
waitpid(pid, &status, 0);
|
|
if (!WIFEXITED(status)) {
|
|
if (WIFSIGNALED(status))
|
|
fprintf(stderr,
|
|
"Process %d died of signal %d.\n",
|
|
pid, WTERMSIG(status));
|
|
/* did not exit correctly */
|
|
return FAILURE;
|
|
}
|
|
/* return the opposite */
|
|
return !WEXITSTATUS(status);
|
|
}
|
|
/* not accessible */
|
|
return FAILURE;
|
|
}
|