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lvm2/test/not.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;
}