pcsx2/3rdparty/pthreads4w/tests/context1.c

143 lines
3.0 KiB
C

/*
* 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"
#include "../context.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);
PTW32_PROGCTR (context) = (DWORD_PTR) anotherEnding;
SetThreadContext(hThread, &context);
ResumeThread(hThread);
}
else
{
printf("Exited early\n");
fflush(stdout);
}
Sleep(1000);
assert(washere == 2);
return 0;
}