63 lines
1.0 KiB
C
63 lines
1.0 KiB
C
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <signal.h>
|
|
#include <errno.h>
|
|
#include <fcntl.h>
|
|
#include <time.h>
|
|
#include <sys/time.h>
|
|
#include <sys/wait.h>
|
|
|
|
#define FILESIZE (2L * 1024 * 1024 * 1024)
|
|
|
|
void
|
|
child()
|
|
{
|
|
char *buf;
|
|
long rc;
|
|
long l;
|
|
long r;
|
|
int fd;
|
|
|
|
buf = malloc(FILESIZE);
|
|
fd = open("testfile", O_RDONLY);
|
|
if (fd == -1) {
|
|
fprintf(stderr, "Could not open file\n");
|
|
unlink("testfile");
|
|
exit(1);
|
|
}
|
|
|
|
alarm(1);
|
|
rc = read(fd, buf, FILESIZE);
|
|
}
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
pid_t pid;
|
|
int st;
|
|
int rc;
|
|
|
|
pid = fork();
|
|
if (pid == 0) {
|
|
child();
|
|
exit(1);
|
|
}
|
|
while ((rc = waitpid(pid, &st, 0)) == -1 && errno == EINTR);
|
|
if (rc != pid) {
|
|
fprintf(stderr, "CT3004 NG BAD wait rc=%d errno=%d\n", rc, errno);
|
|
exit(1);
|
|
}
|
|
if (!WIFSIGNALED(st)) {
|
|
fprintf(stderr, "CT3004 NG no signaled st=%08x\n", st);
|
|
exit(1);
|
|
}
|
|
if (WTERMSIG(st) != SIGALRM) {
|
|
fprintf(stderr, "CT3004 NG BAD signal sig=%d\n", WTERMSIG(st));
|
|
exit(1);
|
|
}
|
|
fprintf(stderr, "CT3004 OK\n");
|
|
exit(0);
|
|
}
|