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 51 int 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 73 int ResumeAllProcessThreads(int num_threads, pid_t *thread_pids) { 74 return 1; 75 } 76 77 #endif /* ifndef THREADS */ 78