/thirdparty/breakpad/client/mac/tests/spawn_child_process.h
http://github.com/tomahawk-player/tomahawk · C++ Header · 149 lines · 96 code · 21 blank · 32 comment · 14 complexity · da6988ac5d698ae8cd9132b609cdd099 MD5 · raw file
- // 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 u_int32_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