| /* |
| * |
| * Copyright 2015, 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. |
| * |
| */ |
| |
| #include "test/core/util/test_config.h" |
| |
| #include <grpc/support/port_platform.h> |
| #include <grpc/support/log.h> |
| #include "src/core/support/string.h" |
| #include <stdlib.h> |
| #include <signal.h> |
| |
| double g_fixture_slowdown_factor = 1.0; |
| |
| #if GPR_GETPID_IN_UNISTD_H |
| #include <unistd.h> |
| static unsigned seed(void) { return (unsigned)getpid(); } |
| #endif |
| |
| #if GPR_GETPID_IN_PROCESS_H |
| #include <process.h> |
| static unsigned seed(void) { return _getpid(); } |
| #endif |
| |
| #if GPR_WINDOWS_CRASH_HANDLER |
| LONG crash_handler(struct _EXCEPTION_POINTERS *ex_info) { |
| gpr_log(GPR_DEBUG, "Exception handler called, dumping information"); |
| while (ex_info->ExceptionRecord) { |
| DWORD code = ex_info->ExceptionRecord->ExceptionCode; |
| DWORD flgs = ex_info->ExceptionRecord->ExceptionFlags; |
| PVOID addr = ex_info->ExceptionRecord->ExceptionAddress; |
| gpr_log("code: %x - flags: %d - address: %p", code, flgs, addr); |
| ex_info->ExceptionRecord = ex_info->ExceptionRecord->ExceptionRecord; |
| } |
| if (IsDebuggerPresent()) { |
| __debugbreak(); |
| } else { |
| _exit(1); |
| } |
| return EXCEPTION_EXECUTE_HANDLER; |
| } |
| |
| void abort_handler(int sig) { |
| gpr_log(GPR_DEBUG, "Abort handler called."); |
| if (IsDebuggerPresent()) { |
| __debugbreak(); |
| } else { |
| _exit(1); |
| } |
| } |
| |
| static void install_crash_handler() { |
| SetUnhandledExceptionFilter((LPTOP_LEVEL_EXCEPTION_FILTER)crash_handler); |
| _set_abort_behavior(0, _WRITE_ABORT_MSG); |
| _set_abort_behavior(0, _CALL_REPORTFAULT); |
| signal(SIGABRT, abort_handler); |
| } |
| #elif GPR_POSIX_CRASH_HANDLER |
| #include <execinfo.h> |
| #include <stdio.h> |
| #include <string.h> |
| #include <grpc/support/useful.h> |
| #include <errno.h> |
| |
| static char g_alt_stack[MINSIGSTKSZ]; |
| |
| #define MAX_FRAMES 32 |
| |
| /* signal safe output */ |
| static void output_string(const char *string) { |
| size_t len = strlen(string); |
| ssize_t r; |
| |
| do { |
| r = write(STDERR_FILENO, string, len); |
| } while (r == -1 && errno == EINTR); |
| } |
| |
| static void output_num(long num) { |
| char buf[GPR_LTOA_MIN_BUFSIZE]; |
| gpr_ltoa(num, buf); |
| output_string(buf); |
| } |
| |
| static void crash_handler(int signum, siginfo_t *info, void *data) { |
| void *addrlist[MAX_FRAMES + 1]; |
| int addrlen; |
| |
| output_string("\n\n\n*******************************\nCaught signal "); |
| output_num(signum); |
| output_string("\n"); |
| |
| addrlen = backtrace(addrlist, GPR_ARRAY_SIZE(addrlist)); |
| |
| if (addrlen == 0) { |
| output_string(" no backtrace\n"); |
| } else { |
| backtrace_symbols_fd(addrlist, addrlen, STDERR_FILENO); |
| } |
| |
| /* try to get a core dump for SIGTERM */ |
| if (signum == SIGTERM) signum = SIGQUIT; |
| raise(signum); |
| } |
| |
| static void install_crash_handler() { |
| stack_t ss; |
| struct sigaction sa; |
| |
| memset(&ss, 0, sizeof(ss)); |
| memset(&sa, 0, sizeof(sa)); |
| ss.ss_size = sizeof(g_alt_stack); |
| ss.ss_sp = g_alt_stack; |
| GPR_ASSERT(sigaltstack(&ss, NULL) == 0); |
| sa.sa_flags = (int)(SA_SIGINFO | SA_ONSTACK | SA_RESETHAND); |
| sa.sa_sigaction = crash_handler; |
| GPR_ASSERT(sigaction(SIGILL, &sa, NULL) == 0); |
| GPR_ASSERT(sigaction(SIGABRT, &sa, NULL) == 0); |
| GPR_ASSERT(sigaction(SIGBUS, &sa, NULL) == 0); |
| GPR_ASSERT(sigaction(SIGSEGV, &sa, NULL) == 0); |
| GPR_ASSERT(sigaction(SIGTERM, &sa, NULL) == 0); |
| GPR_ASSERT(sigaction(SIGQUIT, &sa, NULL) == 0); |
| } |
| #else |
| static void install_crash_handler() {} |
| #endif |
| |
| void grpc_test_init(int argc, char **argv) { |
| install_crash_handler(); |
| gpr_log(GPR_DEBUG, "test slowdown: machine=%f build=%f total=%f", |
| (double)GRPC_TEST_SLOWDOWN_MACHINE_FACTOR, |
| (double)GRPC_TEST_SLOWDOWN_BUILD_FACTOR, |
| (double)GRPC_TEST_SLOWDOWN_FACTOR); |
| /* seed rng with pid, so we don't end up with the same random numbers as a |
| concurrently running test binary */ |
| srand(seed()); |
| } |