1/* Copyright (c) 2005-2007, Google Inc.
2 * All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 *
8 *     * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 *     * Redistributions in binary form must reproduce the above
11 * copyright notice, this list of conditions and the following disclaimer
12 * in the documentation and/or other materials provided with the
13 * distribution.
14 *     * Neither the name of Google Inc. nor the names of its
15 * contributors may be used to endorse or promote products derived from
16 * this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
19 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
20 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
21 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
22 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
23 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
24 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
25 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
26 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
27 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 *
30 * ---
31 * Author: Markus Gutschke
32 */
33
34#include "config.h"
35#include <stdio.h>         /* needed for NULL on some powerpc platforms (?!) */
36#ifdef HAVE_SYS_PRCTL
37# include <sys/prctl.h>
38#endif
39#include "base/thread_lister.h"
40#include "base/linuxthreads.h"
41/* Include other thread listers here that define THREADS macro
42 * only when they can provide a good implementation.
43 */
44
45#ifndef THREADS
46
47/* Default trivial thread lister for single-threaded applications,
48 * or if the multi-threading code has not been ported, yet.
49 */
50
51int ListAllProcessThreads(void *parameter,
52                          ListAllProcessThreadsCallBack callback, ...) {
53  int rc;
54  va_list ap;
55  pid_t pid;
56
57#ifdef HAVE_SYS_PRCTL
58  int dumpable = prctl(PR_GET_DUMPABLE, 0);
59  if (!dumpable)
60    prctl(PR_SET_DUMPABLE, 1);
61#endif
62  va_start(ap, callback);
63  pid = getpid();
64  rc = callback(parameter, 1, &pid, ap);
65  va_end(ap);
66#ifdef HAVE_SYS_PRCTL
67  if (!dumpable)
68    prctl(PR_SET_DUMPABLE, 0);
69#endif
70  return rc;
71}
72
73int ResumeAllProcessThreads(int num_threads, pid_t *thread_pids) {
74  return 1;
75}
76
77#endif   /* ifndef THREADS */
78