- int fd = open(pidfile, O_WRONLY | O_CREAT, 0644);
- if (fd >= 0) {
- char buf[8];
- int len = snprintf(buf, sizeof(buf), "%i\n", getpid());
- write(fd, buf, len);
- close(fd);
+ FILE *fp = fopen(pidfile, "w");
+ if (fp) {
+ fprintf(fp, "%i\n", getpid());
+ fclose(fp);