Index: src/client/linux/minidump_writer/linux_dumper_unittest_helper.c |
=================================================================== |
--- src/client/linux/minidump_writer/linux_dumper_unittest_helper.c (revision 0) |
+++ src/client/linux/minidump_writer/linux_dumper_unittest_helper.c (revision 0) |
@@ -0,0 +1,60 @@ |
+// Copyright (c) 2010, Google Inc. |
+// All rights reserved. |
+// |
+// Redistribution and use in source and binary forms, with or without |
+// modification, are permitted provided that the following conditions are |
+// met: |
+// |
+// * Redistributions of source code must retain the above copyright |
+// notice, this list of conditions and the following disclaimer. |
+// * Redistributions in binary form must reproduce the above |
+// copyright notice, this list of conditions and the following disclaimer |
+// in the documentation and/or other materials provided with the |
+// distribution. |
+// * Neither the name of Google Inc. nor the names of its |
+// contributors may be used to endorse or promote products derived from |
+// this software without specific prior written permission. |
+// |
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
+// |
+// Helper program for the linux_dumper class, which creates a bunch of |
+// threads. The first word of each thread's stack is set to the thread |
+// id. |
+ |
+#include <pthread.h> |
+#include <stdio.h> |
+#include <stdlib.h> |
+#include <sys/syscall.h> |
+#include <unistd.h> |
+ |
+void *thread_function(void *data) { |
+ pid_t thread_id = syscall(SYS_gettid); |
+ while (true) ; |
+} |
+ |
+int main(int argc, char *argv[]) { |
+ int num_threads = atoi(argv[1]); |
+ if (num_threads < 1) { |
+ fprintf(stderr, "ERROR: number of threads is 0"); |
+ return 1; |
+ } |
+ pthread_t threads[num_threads]; |
+ pthread_attr_t thread_attributes; |
+ pthread_attr_init(&thread_attributes); |
+ pthread_attr_setdetachstate(&thread_attributes, PTHREAD_CREATE_DETACHED); |
+ for (int i = 1; i < num_threads; i++) { |
+ pthread_create(&threads[i], &thread_attributes, &thread_function, NULL); |
+ } |
+ thread_function(NULL); |
+ return 0; |
+} |