998d0baab0
Reviewed-by: jwaters, gli, coleenp, lmesnik
103 lines
3.0 KiB
C++
103 lines
3.0 KiB
C++
/*
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* Copyright (c) 2022, 2024, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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#ifndef TEST_LIB_NATIVE_THREAD_HPP
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#define TEST_LIB_NATIVE_THREAD_HPP
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// Header only library for using threads in tests
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#include <stdlib.h>
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#include <stdio.h>
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#ifdef _WIN32
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#include <windows.h>
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#else
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#include <unistd.h>
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#include <pthread.h>
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#endif
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extern "C" {
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typedef void(*PROCEDURE)(void*);
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struct Helper {
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PROCEDURE proc;
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void* context;
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};
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static void fatal(const char* message, int code) {
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fputs(message, stderr);
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// exit the test with a non-zero exit code to avoid accidental false positives
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exit(code);
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}
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// Adapt from the callback type the OS API expects to
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// our OS-independent PROCEDURE type.
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#ifdef _WIN32
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DWORD WINAPI procedure(_In_ LPVOID ctxt) {
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#else
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void* procedure(void* ctxt) {
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#endif
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Helper* helper = (Helper*)ctxt;
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helper->proc(helper->context);
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return 0;
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}
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// Run 'proc' in a newly started thread, passing 'context' to it
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// as an argument, and then join that thread.
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void run_in_new_thread_and_join(PROCEDURE proc, void* context) {
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struct Helper helper;
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helper.proc = proc;
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helper.context = context;
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#ifdef _WIN32
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HANDLE thread = CreateThread(nullptr, 0, procedure, &helper, 0, nullptr);
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if (thread == nullptr) {
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fatal("failed to create thread", GetLastError());
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}
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if (WaitForSingleObject(thread, INFINITE) != WAIT_OBJECT_0) {
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// Should be WAIT_FAILED, since this is not a mutex, and
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// we set no timeout.
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fatal("failed to join thread", GetLastError());
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}
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#else
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pthread_t thread;
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pthread_attr_t attr;
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pthread_attr_init(&attr);
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size_t stack_size = 0x100000;
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pthread_attr_setstacksize(&attr, stack_size);
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int result = pthread_create(&thread, &attr, procedure, &helper);
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if (result != 0) {
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fatal("failed to create thread", result);
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}
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pthread_attr_destroy(&attr);
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result = pthread_join(thread, nullptr);
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if (result != 0) {
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fatal("failed to join thread", result);
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}
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#endif
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}
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}
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#endif // TEST_LIB_NATIVE_THREAD_HPP
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