diff options
Diffstat (limited to 'toolkit/crashreporter/google-breakpad/src/client/mac/tests/spawn_child_process.h')
-rw-r--r-- | toolkit/crashreporter/google-breakpad/src/client/mac/tests/spawn_child_process.h | 149 |
1 files changed, 149 insertions, 0 deletions
diff --git a/toolkit/crashreporter/google-breakpad/src/client/mac/tests/spawn_child_process.h b/toolkit/crashreporter/google-breakpad/src/client/mac/tests/spawn_child_process.h new file mode 100644 index 000000000..e52ff6b65 --- /dev/null +++ b/toolkit/crashreporter/google-breakpad/src/client/mac/tests/spawn_child_process.h @@ -0,0 +1,149 @@ +// 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. + +// Utility functions for spawning a helper process using a different +// CPU architecture. + +#ifndef GOOGLE_BREAKPAD_CLIENT_MAC_TESTS_SPAWN_CHILD_PROCESS +#define GOOGLE_BREAKPAD_CLIENT_MAC_TESTS_SPAWN_CHILD_PROCESS + +#include <AvailabilityMacros.h> +#ifndef MAC_OS_X_VERSION_10_6 +#define MAC_OS_X_VERSION_10_6 1060 +#endif +#include <crt_externs.h> +#include <mach-o/dyld.h> +#if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_6 +#include <spawn.h> +#endif + +#include <string> +#include <vector> + +#include "google_breakpad/common/minidump_format.h" + +namespace google_breakpad_test { + +using std::string; +using std::vector; + +const MDCPUArchitecture kNativeArchitecture = +#if defined(__i386__) + MD_CPU_ARCHITECTURE_X86 +#elif defined(__x86_64__) + MD_CPU_ARCHITECTURE_AMD64 +#elif defined(__ppc__) || defined(__ppc64__) + MD_CPU_ARCHITECTURE_PPC +#else +#error "This file has not been ported to this CPU architecture." +#endif + ; + +const uint32_t kNativeContext = +#if defined(__i386__) + MD_CONTEXT_X86 +#elif defined(__x86_64__) + MD_CONTEXT_AMD64 +#elif defined(__ppc__) || defined(__ppc64__) + MD_CONTEXT_PPC +#else +#error "This file has not been ported to this CPU architecture." +#endif + ; + +string GetExecutablePath() { + char self_path[PATH_MAX]; + uint32_t size = sizeof(self_path); + if (_NSGetExecutablePath(self_path, &size) != 0) + return ""; + return self_path; +} + +string GetHelperPath() { + string helper_path(GetExecutablePath()); + size_t pos = helper_path.rfind('/'); + if (pos == string::npos) + return ""; + + helper_path.erase(pos + 1); + helper_path += "minidump_generator_test_helper"; + return helper_path; +} + +#if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_6 + +pid_t spawn_child_process(const char** argv) { + posix_spawnattr_t spawnattr; + if (posix_spawnattr_init(&spawnattr) != 0) + return (pid_t)-1; + + cpu_type_t pref_cpu_types[2] = { +#if defined(__x86_64__) + CPU_TYPE_X86, +#elif defined(__i386__) + CPU_TYPE_X86_64, +#endif + CPU_TYPE_ANY + }; + + // Set spawn attributes. + size_t attr_count = sizeof(pref_cpu_types) / sizeof(pref_cpu_types[0]); + size_t attr_ocount = 0; + if (posix_spawnattr_setbinpref_np(&spawnattr, + attr_count, + pref_cpu_types, + &attr_ocount) != 0 || + attr_ocount != attr_count) { + posix_spawnattr_destroy(&spawnattr); + return (pid_t)-1; + } + + // Create an argv array. + vector<char*> argv_v; + while (*argv) { + argv_v.push_back(strdup(*argv)); + argv++; + } + argv_v.push_back(NULL); + pid_t new_pid = 0; + int result = posix_spawnp(&new_pid, argv_v[0], NULL, &spawnattr, + &argv_v[0], *_NSGetEnviron()); + posix_spawnattr_destroy(&spawnattr); + + for (unsigned i = 0; i < argv_v.size(); i++) { + free(argv_v[i]); + } + + return result == 0 ? new_pid : -1; +} +#endif + +} // namespace google_breakpad_test + +#endif // GOOGLE_BREAKPAD_CLIENT_MAC_TESTS_SPAWN_CHILD_PROCESS |