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Diffstat (limited to 'pthreads/tests/context1.c')
-rw-r--r-- | pthreads/tests/context1.c | 144 |
1 files changed, 144 insertions, 0 deletions
diff --git a/pthreads/tests/context1.c b/pthreads/tests/context1.c new file mode 100644 index 000000000..090df9c9d --- /dev/null +++ b/pthreads/tests/context1.c @@ -0,0 +1,144 @@ +/* + * File: context1.c + * + * + * -------------------------------------------------------------------------- + * + * Pthreads-win32 - POSIX Threads Library for Win32 + * Copyright(C) 1998 John E. Bossom + * Copyright(C) 1999,2005 Pthreads-win32 contributors + * + * Contact Email: rpj@callisto.canberra.edu.au + * + * The current list of contributors is contained + * in the file CONTRIBUTORS included with the source + * code distribution. The list can also be seen at the + * following World Wide Web location: + * http://sources.redhat.com/pthreads-win32/contributors.html + * + * This library is free software; you can redistribute it and/or + * modify it under the terms of the GNU Lesser General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This library is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + * Lesser General Public License for more details. + * + * You should have received a copy of the GNU Lesser General Public + * License along with this library in the file COPYING.LIB; + * if not, write to the Free Software Foundation, Inc., + * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA + * + * -------------------------------------------------------------------------- + * + * Test Synopsis: Test context switching method. + * + * Test Method (Validation or Falsification): + * - + * + * Requirements Tested: + * - + * + * Features Tested: + * - + * + * Cases Tested: + * - + * + * Description: + * - + * + * Environment: + * - + * + * Input: + * - None. + * + * Output: + * - File name, Line number, and failed expression on failure. + * - No output on success. + * + * Assumptions: + * - pthread_create + * pthread_exit + * + * Pass Criteria: + * - Process returns zero exit status. + * + * Fail Criteria: + * - Process returns non-zero exit status. + */ + +#define _WIN32_WINNT 0x400 + +#include "test.h" +#include "../implement.h" + +static int washere = 0; + +static void * func(void * arg) +{ + washere = 1; + + Sleep(1000); + + return 0; +} + +static void +anotherEnding () +{ + /* + * Switched context + */ + washere++; + + pthread_exit(0); +} + +int +main() +{ + pthread_t t; + HANDLE hThread; + + assert(pthread_create(&t, NULL, func, NULL) == 0); + + hThread = ((ptw32_thread_t *)t.p)->threadH; + + Sleep(500); + + SuspendThread(hThread); + + if (WaitForSingleObject(hThread, 0) == WAIT_TIMEOUT) + { + /* + * Ok, thread did not exit before we got to it. + */ + CONTEXT context; + + context.ContextFlags = CONTEXT_CONTROL; + + GetThreadContext(hThread, &context); + /* + *_x86 only!!! + */ + context.Eip = (DWORD) anotherEnding; + SetThreadContext(hThread, &context); + ResumeThread(hThread); + } + else + { + printf("Exited early\n"); + fflush(stdout); + } + + Sleep(1000); + + assert(washere == 2); + + return 0; +} + |