if (pa_atou(t, &pid) < 0) {
pa_log_warn("Failed to parse PID file '%s'", fn);
+ errno = EINVAL;
return (pid_t) -1;
}
goto fail;
}
- /* Does the file still exist in the file system? When ye, w're done, otherwise restart */
+ /* Does the file still exist in the file system? When yes, we're done, otherwise restart */
if (st.st_nlink >= 1)
break;
fail:
if (fd >= 0) {
+ int saved_errno = errno;
pa_lock_fd(fd, 0);
pa_close(fd);
+ errno = saved_errno;
}
return -1;
char stored[64];
if (!(fgets(stored, sizeof(stored), f))) {
+ int saved_errno = feof(f) ? EINVAL : errno;
pa_log_info("Failed to read from %s: %s", bn, feof(f) ? "EOF" : pa_cstrerror(errno));
fclose(f);
+
+ errno = saved_errno;
return -1;
}
if (!(fn = pa_runtime_path("pid")))
goto fail;
- if ((fd = open_pid_file(fn, O_RDONLY)) < 0)
+ if ((fd = open_pid_file(fn, O_RDONLY)) < 0) {
+
+ if (errno == ENOENT)
+ errno = ESRCH;
+
goto fail;
+ }
if ((*pid = read_pid(fn, fd)) == (pid_t) -1)
goto fail;
if ((ours = proc_name_ours(*pid, procname)) < 0)
goto fail;
- if (!ours)
+ if (!ours) {
+ errno = ESRCH;
goto fail;
+ }
}
ret = kill(*pid, sig);
fail:
if (fd >= 0) {
+ int saved_errno = errno;
pa_lock_fd(fd, 0);
pa_close(fd);
+ errno = saved_errno;
}
#ifdef __linux__