88 lines
1.7 KiB
C
88 lines
1.7 KiB
C
#include <stdlib.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
#include <unistd.h>
|
|
#include <signal.h>
|
|
#include <errno.h>
|
|
#include <time.h>
|
|
#include <sys/time.h>
|
|
#include <sys/wait.h>
|
|
|
|
char *
|
|
gettime(char *buf, struct timeval *tv)
|
|
{
|
|
struct tm *tm;
|
|
|
|
gettimeofday(tv, NULL);
|
|
tm = localtime(&tv->tv_sec);
|
|
sprintf(buf, "%02d:%02d:%02d.%06d", tm->tm_hour, tm->tm_min, tm->tm_sec, tv->tv_usec);
|
|
return buf;
|
|
}
|
|
|
|
void
|
|
tv_sub(struct timeval *tv1, const struct timeval *tv2)
|
|
{
|
|
tv1->tv_sec -= tv2->tv_sec;
|
|
tv1->tv_usec -= tv2->tv_usec;
|
|
if (tv1->tv_usec < 0) {
|
|
tv1->tv_sec--;
|
|
tv1->tv_usec += 1000000;
|
|
}
|
|
}
|
|
|
|
struct timeval tv1;
|
|
struct timeval tv2;
|
|
int fd;
|
|
|
|
void
|
|
child()
|
|
{
|
|
struct sigaction act;
|
|
int fds[2];
|
|
char c;
|
|
int rc;
|
|
char line[80];
|
|
|
|
sprintf(line, "%d %d %d\n", 3, getpid(), SIGALRM);
|
|
write(fd, line, strlen(line));
|
|
pipe(fds);
|
|
rc = read(fds[0], &c, 1);
|
|
}
|
|
|
|
int
|
|
main(int argc, char **argv)
|
|
{
|
|
pid_t pid;
|
|
int st;
|
|
int rc;
|
|
char buf[16];
|
|
|
|
fd = atoi(argv[1]);
|
|
fprintf(stderr, "%s test start, kill after 3 seconds\n", gettime(buf, &tv1));
|
|
pid = fork();
|
|
if (pid == 0) {
|
|
child();
|
|
exit(1);
|
|
}
|
|
while ((rc = waitpid(pid, &st, 0)) == -1 && errno == EINTR);
|
|
fprintf(stderr, "%s child process terminated\n", gettime(buf, &tv2));
|
|
if (rc != pid) {
|
|
fprintf(stderr, "CT2003 NG BAD wait rc=%d errno=%d\n", rc, errno);
|
|
exit(1);
|
|
}
|
|
if (!WIFSIGNALED(st)) {
|
|
fprintf(stderr, "CT2003 NG no signaled st=%08x\n", st);
|
|
exit(1);
|
|
}
|
|
if (WTERMSIG(st) != SIGALRM) {
|
|
fprintf(stderr, "CT2003 NG BAD signal sig=%d\n", WTERMSIG(st));
|
|
exit(1);
|
|
}
|
|
tv_sub(&tv2, &tv1);
|
|
if (tv2.tv_sec != 3)
|
|
fprintf(stderr, "CT2003 NG signal delayed (%d.%06d)\n", tv2.tv_sec, tv2.tv_usec);
|
|
else
|
|
fprintf(stderr, "CT2003 OK\n");
|
|
exit(0);
|
|
}
|