pcsx2/3rdparty/pthreads4w/tests/priority1.c

173 lines
4.7 KiB
C

/*
* File: priority1.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 thread priority explicit setting using thread attribute.
*
* 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:
* -
*
* Pass Criteria:
* - Process returns zero exit status.
*
* Fail Criteria:
* - Process returns non-zero exit status.
*/
#include "test.h"
enum {
PTW32TEST_THREAD_INIT_PRIO = 0,
PTW32TEST_MAXPRIORITIES = 512
};
int minPrio;
int maxPrio;
int validPriorities[PTW32TEST_MAXPRIORITIES];
void *
func(void * arg)
{
int policy;
struct sched_param param;
pthread_t threadID = pthread_self();
assert(pthread_getschedparam(threadID, &policy, &param) == 0);
assert(policy == SCHED_OTHER);
return (void *) (size_t)(param.sched_priority);
}
void *
getValidPriorities(void * arg)
{
int prioSet;
pthread_t threadID = pthread_self();
HANDLE threadH = pthread_getw32threadhandle_np(threadID);
printf("Using GetThreadPriority\n");
printf("%10s %10s\n", "Set value", "Get value");
for (prioSet = minPrio;
prioSet <= maxPrio;
prioSet++)
{
/*
* If prioSet is invalid then the threads priority is unchanged
* from the previous value. Make the previous value a known
* one so that we can check later.
*/
if (prioSet < 0)
SetThreadPriority(threadH, THREAD_PRIORITY_LOWEST);
else
SetThreadPriority(threadH, THREAD_PRIORITY_HIGHEST);
SetThreadPriority(threadH, prioSet);
validPriorities[prioSet+(PTW32TEST_MAXPRIORITIES/2)] = GetThreadPriority(threadH);
printf("%10d %10d\n", prioSet, validPriorities[prioSet+(PTW32TEST_MAXPRIORITIES/2)]);
}
return (void *) 0;
}
int
main()
{
pthread_t t;
pthread_attr_t attr;
void * result = NULL;
struct sched_param param;
assert((maxPrio = sched_get_priority_max(SCHED_OTHER)) != -1);
assert((minPrio = sched_get_priority_min(SCHED_OTHER)) != -1);
assert(pthread_create(&t, NULL, getValidPriorities, NULL) == 0);
assert(pthread_join(t, &result) == 0);
assert(pthread_attr_init(&attr) == 0);
assert(pthread_attr_setinheritsched(&attr, PTHREAD_EXPLICIT_SCHED) == 0);
/* Set the thread's priority to a known initial value. */
SetThreadPriority(pthread_getw32threadhandle_np(pthread_self()),
PTW32TEST_THREAD_INIT_PRIO);
printf("Using pthread_getschedparam\n");
printf("%10s %10s %10s\n", "Set value", "Get value", "Win priority");
for (param.sched_priority = minPrio;
param.sched_priority <= maxPrio;
param.sched_priority++)
{
int prio;
assert(pthread_attr_setschedparam(&attr, &param) == 0);
assert(pthread_create(&t, &attr, func, (void *) &attr) == 0);
assert((prio = GetThreadPriority(pthread_getw32threadhandle_np(t)))
== validPriorities[param.sched_priority+(PTW32TEST_MAXPRIORITIES/2)]);
assert(pthread_join(t, &result) == 0);
assert(param.sched_priority == (int)(size_t) result);
printf("%10d %10d %10d\n", param.sched_priority, (int)(size_t) result, prio);
}
return 0;
}