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authorrpj <rpj>2005-04-25 14:55:16 +0000
committerrpj <rpj>2005-04-25 14:55:16 +0000
commita06bad7ea9a24a3ea93fe1e7b9b99155481ada3a (patch)
tree5d8d210afdda4bdaea3c6a6e4a7a7ccdab4b3bba /tests/once4.c
parent262895c989b395cb0c79512a34a697b1e56bcbd7 (diff)
''
Diffstat (limited to 'tests/once4.c')
-rw-r--r--tests/once4.c382
1 files changed, 191 insertions, 191 deletions
diff --git a/tests/once4.c b/tests/once4.c
index 69e9384..f5be644 100644
--- a/tests/once4.c
+++ b/tests/once4.c
@@ -1,191 +1,191 @@
-/*
- * once4.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
- *
- * --------------------------------------------------------------------------
- *
- * Create several pthread_once objects and channel several threads
- * through each. Make the init_routine cancelable and cancel them
- * waiters waiting. Vary the priorities.
- *
- * Depends on API functions:
- * pthread_once()
- * pthread_create()
- * pthread_testcancel()
- * pthread_cancel()
- * pthread_once()
- */
-
-#include "test.h"
-
-#define NUM_THREADS 100 /* Targeting each once control */
-#define NUM_ONCE 10
-
-pthread_once_t o = PTHREAD_ONCE_INIT;
-pthread_once_t once[NUM_ONCE];
-
-typedef struct {
- int i;
- CRITICAL_SECTION cs;
-} sharedInt_t;
-
-static sharedInt_t numOnce = {0, {0}};
-static sharedInt_t numThreads = {0, {0}};
-
-typedef struct {
- int threadnum;
- int oncenum;
- int myPrio;
- HANDLE w32Thread;
-} bag_t;
-
-static bag_t threadbag[NUM_THREADS][NUM_ONCE];
-
-CRITICAL_SECTION print_lock;
-
-void
-mycleanupfunc(void * arg)
-{
- bag_t * bag = (bag_t *) arg;
- EnterCriticalSection(&print_lock);
- /* once thrd prio error */
- printf("%4d %4d %4d %4d\n",
- bag->oncenum,
- bag->threadnum,
- bag->myPrio,
- bag->myPrio - GetThreadPriority(bag->w32Thread));
- LeaveCriticalSection(&print_lock);
-}
-
-void
-myinitfunc(void)
-{
- EnterCriticalSection(&numOnce.cs);
- numOnce.i++;
- LeaveCriticalSection(&numOnce.cs);
- /* Simulate slow once routine so that following threads pile up behind it */
- Sleep(10);
- /* test for cancelation late so we're sure to have waiters. */
- pthread_testcancel();
-}
-
-void *
-mythread(void * arg)
-{
- bag_t * bag = (bag_t *) arg;
- struct sched_param param;
-
- /*
- * Cancel every thread. These threads are deferred cancelable only, so
- * only the thread performing the init_routine will see it (there are
- * no other cancelation points here). The result will be that every thread
- * eventually cancels only when it becomes the new initter.
- */
- pthread_t self = pthread_self();
- bag->w32Thread = pthread_getw32threadhandle_np(self);
- /*
- * Set priority between -2 and 2 inclusive.
- */
- bag->myPrio = (bag->threadnum % 5) - 2;
- param.sched_priority = bag->myPrio;
- pthread_setschedparam(self, SCHED_OTHER, &param);
-
- /* Trigger a cancellation at the next cancellation point in this thread */
- pthread_cancel(self);
-#if 0
- pthread_cleanup_push(mycleanupfunc, arg);
- assert(pthread_once(&once[bag->oncenum], myinitfunc) == 0);
- pthread_cleanup_pop(1);
-#else
- assert(pthread_once(&once[bag->oncenum], myinitfunc) == 0);
-#endif
- EnterCriticalSection(&numThreads.cs);
- numThreads.i++;
- LeaveCriticalSection(&numThreads.cs);
- return 0;
-}
-
-int
-main()
-{
- pthread_t t[NUM_THREADS][NUM_ONCE];
- int i, j;
-
- InitializeCriticalSection(&print_lock);
- InitializeCriticalSection(&numThreads.cs);
- InitializeCriticalSection(&numOnce.cs);
-
-#if 0
- /* once thrd prio change */
- printf("once thrd prio error\n");
-#endif
-
- /*
- * Set the priority class to realtime - otherwise normal
- * Windows random priority boosting will obscure any problems.
- */
- SetPriorityClass(GetCurrentProcess(), REALTIME_PRIORITY_CLASS);
- /* Set main thread to lower prio than threads */
- SetThreadPriority(GetCurrentThread(), -2);
-
- for (j = 0; j < NUM_ONCE; j++)
- {
- once[j] = o;
-
- for (i = 0; i < NUM_THREADS; i++)
- {
- bag_t * bag = &threadbag[i][j];
- bag->threadnum = i;
- bag->oncenum = j;
- assert(pthread_create(&t[i][j], NULL, mythread, (void *) bag) == 0);
- }
- }
-
- for (j = 0; j < NUM_ONCE; j++)
- for (i = 0; i < NUM_THREADS; i++)
- if (pthread_join(t[i][j], NULL) != 0)
- printf("Join failed for [thread,once] = [%d,%d]\n", i, j);
-
- /*
- * All threads will cancel, none will return normally from
- * pthread_once and so numThreads should never be incremented. However,
- * numOnce should be incremented by every thread (NUM_THREADS*NUM_ONCE).
- */
- assert(numOnce.i == NUM_ONCE * NUM_THREADS);
- assert(numThreads.i == 0);
-
- DeleteCriticalSection(&numOnce.cs);
- DeleteCriticalSection(&numThreads.cs);
- DeleteCriticalSection(&print_lock);
-
- return 0;
-}
+/*
+ * once4.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
+ *
+ * --------------------------------------------------------------------------
+ *
+ * Create several pthread_once objects and channel several threads
+ * through each. Make the init_routine cancelable and cancel them
+ * waiters waiting. Vary the priorities.
+ *
+ * Depends on API functions:
+ * pthread_once()
+ * pthread_create()
+ * pthread_testcancel()
+ * pthread_cancel()
+ * pthread_once()
+ */
+
+#include "test.h"
+
+#define NUM_THREADS 100 /* Targeting each once control */
+#define NUM_ONCE 10
+
+pthread_once_t o = PTHREAD_ONCE_INIT;
+pthread_once_t once[NUM_ONCE];
+
+typedef struct {
+ int i;
+ CRITICAL_SECTION cs;
+} sharedInt_t;
+
+static sharedInt_t numOnce = {0, {0}};
+static sharedInt_t numThreads = {0, {0}};
+
+typedef struct {
+ int threadnum;
+ int oncenum;
+ int myPrio;
+ HANDLE w32Thread;
+} bag_t;
+
+static bag_t threadbag[NUM_THREADS][NUM_ONCE];
+
+CRITICAL_SECTION print_lock;
+
+void
+mycleanupfunc(void * arg)
+{
+ bag_t * bag = (bag_t *) arg;
+ EnterCriticalSection(&print_lock);
+ /* once thrd prio error */
+ printf("%4d %4d %4d %4d\n",
+ bag->oncenum,
+ bag->threadnum,
+ bag->myPrio,
+ bag->myPrio - GetThreadPriority(bag->w32Thread));
+ LeaveCriticalSection(&print_lock);
+}
+
+void
+myinitfunc(void)
+{
+ EnterCriticalSection(&numOnce.cs);
+ numOnce.i++;
+ LeaveCriticalSection(&numOnce.cs);
+ /* Simulate slow once routine so that following threads pile up behind it */
+ Sleep(10);
+ /* test for cancelation late so we're sure to have waiters. */
+ pthread_testcancel();
+}
+
+void *
+mythread(void * arg)
+{
+ bag_t * bag = (bag_t *) arg;
+ struct sched_param param;
+
+ /*
+ * Cancel every thread. These threads are deferred cancelable only, so
+ * only the thread performing the init_routine will see it (there are
+ * no other cancelation points here). The result will be that every thread
+ * eventually cancels only when it becomes the new initter.
+ */
+ pthread_t self = pthread_self();
+ bag->w32Thread = pthread_getw32threadhandle_np(self);
+ /*
+ * Set priority between -2 and 2 inclusive.
+ */
+ bag->myPrio = (bag->threadnum % 5) - 2;
+ param.sched_priority = bag->myPrio;
+ pthread_setschedparam(self, SCHED_OTHER, &param);
+
+ /* Trigger a cancellation at the next cancellation point in this thread */
+ pthread_cancel(self);
+#if 0
+ pthread_cleanup_push(mycleanupfunc, arg);
+ assert(pthread_once(&once[bag->oncenum], myinitfunc) == 0);
+ pthread_cleanup_pop(1);
+#else
+ assert(pthread_once(&once[bag->oncenum], myinitfunc) == 0);
+#endif
+ EnterCriticalSection(&numThreads.cs);
+ numThreads.i++;
+ LeaveCriticalSection(&numThreads.cs);
+ return 0;
+}
+
+int
+main()
+{
+ pthread_t t[NUM_THREADS][NUM_ONCE];
+ int i, j;
+
+ InitializeCriticalSection(&print_lock);
+ InitializeCriticalSection(&numThreads.cs);
+ InitializeCriticalSection(&numOnce.cs);
+
+#if 0
+ /* once thrd prio change */
+ printf("once thrd prio error\n");
+#endif
+
+ /*
+ * Set the priority class to realtime - otherwise normal
+ * Windows random priority boosting will obscure any problems.
+ */
+ SetPriorityClass(GetCurrentProcess(), REALTIME_PRIORITY_CLASS);
+ /* Set main thread to lower prio than threads */
+ SetThreadPriority(GetCurrentThread(), -2);
+
+ for (j = 0; j < NUM_ONCE; j++)
+ {
+ once[j] = o;
+
+ for (i = 0; i < NUM_THREADS; i++)
+ {
+ bag_t * bag = &threadbag[i][j];
+ bag->threadnum = i;
+ bag->oncenum = j;
+ assert(pthread_create(&t[i][j], NULL, mythread, (void *) bag) == 0);
+ }
+ }
+
+ for (j = 0; j < NUM_ONCE; j++)
+ for (i = 0; i < NUM_THREADS; i++)
+ if (pthread_join(t[i][j], NULL) != 0)
+ printf("Join failed for [thread,once] = [%d,%d]\n", i, j);
+
+ /*
+ * All threads will cancel, none will return normally from
+ * pthread_once and so numThreads should never be incremented. However,
+ * numOnce should be incremented by every thread (NUM_THREADS*NUM_ONCE).
+ */
+ assert(numOnce.i == NUM_ONCE * NUM_THREADS);
+ assert(numThreads.i == 0);
+
+ DeleteCriticalSection(&numOnce.cs);
+ DeleteCriticalSection(&numThreads.cs);
+ DeleteCriticalSection(&print_lock);
+
+ return 0;
+}