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-rw-r--r--tests/benchtest5.c334
1 files changed, 159 insertions, 175 deletions
diff --git a/tests/benchtest5.c b/tests/benchtest5.c
index 0a8a0b2..2fba9e3 100644
--- a/tests/benchtest5.c
+++ b/tests/benchtest5.c
@@ -1,175 +1,159 @@
-/*
- * benchtest5.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
- *
- * --------------------------------------------------------------------------
- *
- * Measure time taken to complete an elementary operation.
- *
- * - Semaphore
- * Single thread iteration over post/wait for a semaphore.
- */
-
-#include "test.h"
-#include <sys/timeb.h>
-
-#ifdef __GNUC__
-#include <stdlib.h>
-#endif
-
-#include "benchtest.h"
-
-#define ITERATIONS 10000000L
-
-sem_t sema;
-
-struct _timeb currSysTimeStart;
-struct _timeb currSysTimeStop;
-long durationMilliSecs;
-long overHeadMilliSecs = 0;
-int one = 1;
-int zero = 0;
-
-#define GetDurationMilliSecs(_TStart, _TStop) ((_TStop.time*1000+_TStop.millitm) \
- - (_TStart.time*1000+_TStart.millitm))
-
-/*
- * Dummy use of j, otherwise the loop may be removed by the optimiser
- * when doing the overhead timing with an empty loop.
- */
-#define TESTSTART \
- { int i, j = 0, k = 0; _ftime(&currSysTimeStart); for (i = 0; i < ITERATIONS; i++) { j++;
-
-#define TESTSTOP \
- }; _ftime(&currSysTimeStop); if (j + k == i) j++; }
-
-
-void
-reportTest (char * testNameString)
-{
- durationMilliSecs = GetDurationMilliSecs(currSysTimeStart, currSysTimeStop) - overHeadMilliSecs;
-
- printf( "%-45s %15ld %15.3f\n",
- testNameString,
- durationMilliSecs,
- (float) durationMilliSecs * 1E3 / ITERATIONS);
-}
-
-
-int
-main (int argc, char *argv[])
-{
- printf( "=============================================================================\n");
- printf( "\nOperations on a semaphore.\n%ld iterations\n\n",
- ITERATIONS);
- printf( "%-45s %15s %15s\n",
- "Test",
- "Total(msec)",
- "average(usec)");
- printf( "-----------------------------------------------------------------------------\n");
-
- /*
- * Time the loop overhead so we can subtract it from the actual test times.
- */
-
- TESTSTART
- assert(1 == one);
- TESTSTOP
-
- durationMilliSecs = GetDurationMilliSecs(currSysTimeStart, currSysTimeStop) - overHeadMilliSecs;
- overHeadMilliSecs = durationMilliSecs;
-
-
- /*
- * Now we can start the actual tests
- */
- assert(sem_init(&sema, 0, 0) == 0);
- TESTSTART
- assert(sem_post(&sema) == zero);
- TESTSTOP
- assert(sem_destroy(&sema) == 0);
-
- reportTest("Post");
-
-
- assert(sem_init(&sema, 0, ITERATIONS) == 0);
- TESTSTART
- assert(sem_wait(&sema) == zero);
- TESTSTOP
- assert(sem_destroy(&sema) == 0);
-
- reportTest("Wait without blocking");
-
-
- /*
- * Time the loop overhead so we can subtract it from the actual test times.
- */
-
- TESTSTART
- assert(1 == one);
- assert(1 == one);
- TESTSTOP
-
- durationMilliSecs = GetDurationMilliSecs(currSysTimeStart, currSysTimeStop) - overHeadMilliSecs;
- overHeadMilliSecs = durationMilliSecs;
-
-
- /*
- * Now we can start the actual tests
- */
- assert(sem_init(&sema, 0, 0) == 0);
- TESTSTART
- assert(sem_post(&sema) == zero);
- assert(sem_wait(&sema) == zero);
- TESTSTOP
- assert(sem_destroy(&sema) == 0);
-
- reportTest("Post then Wait without blocking");
-
-
- assert(sem_init(&sema, 0, 1) == 0);
- TESTSTART
- assert(sem_wait(&sema) == zero);
- assert(sem_post(&sema) == zero);
- TESTSTOP
- assert(sem_destroy(&sema) == 0);
-
- reportTest("Wait then Post without blocking");
-
- printf( "=============================================================================\n");
-
- /*
- * End of tests.
- */
-
- return 0;
-}
+/*
+ * benchtest5.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
+ *
+ * --------------------------------------------------------------------------
+ *
+ * Measure time taken to complete an elementary operation.
+ *
+ * - Semaphore
+ * Single thread iteration over post/wait for a semaphore.
+ */
+
+#include "test.h"
+#include <sys/timeb.h>
+
+#ifdef __GNUC__
+#include <stdlib.h>
+#endif
+
+#include "benchtest.h"
+
+#define ITERATIONS 1000000L
+
+sem_t sema;
+HANDLE w32sema;
+
+struct _timeb currSysTimeStart;
+struct _timeb currSysTimeStop;
+long durationMilliSecs;
+long overHeadMilliSecs = 0;
+int one = 1;
+int zero = 0;
+
+#define GetDurationMilliSecs(_TStart, _TStop) ((_TStop.time*1000+_TStop.millitm) \
+ - (_TStart.time*1000+_TStart.millitm))
+
+/*
+ * Dummy use of j, otherwise the loop may be removed by the optimiser
+ * when doing the overhead timing with an empty loop.
+ */
+#define TESTSTART \
+ { int i, j = 0, k = 0; _ftime(&currSysTimeStart); for (i = 0; i < ITERATIONS; i++) { j++;
+
+#define TESTSTOP \
+ }; _ftime(&currSysTimeStop); if (j + k == i) j++; }
+
+
+void
+reportTest (char * testNameString)
+{
+ durationMilliSecs = GetDurationMilliSecs(currSysTimeStart, currSysTimeStop) - overHeadMilliSecs;
+
+ printf( "%-45s %15ld %15.3f\n",
+ testNameString,
+ durationMilliSecs,
+ (float) durationMilliSecs * 1E3 / ITERATIONS);
+}
+
+
+int
+main (int argc, char *argv[])
+{
+ printf( "=============================================================================\n");
+ printf( "\nOperations on a semaphore.\n%ld iterations\n\n",
+ ITERATIONS);
+ printf( "%-45s %15s %15s\n",
+ "Test",
+ "Total(msec)",
+ "average(usec)");
+ printf( "-----------------------------------------------------------------------------\n");
+
+ /*
+ * Time the loop overhead so we can subtract it from the actual test times.
+ */
+
+ TESTSTART
+ assert(1 == one);
+ TESTSTOP
+
+ durationMilliSecs = GetDurationMilliSecs(currSysTimeStart, currSysTimeStop) - overHeadMilliSecs;
+ overHeadMilliSecs = durationMilliSecs;
+
+
+ /*
+ * Now we can start the actual tests
+ */
+ assert((w32sema = CreateSemaphore(NULL, (long) 0, (long) ITERATIONS, NULL)) != 0);
+ TESTSTART
+ assert(ReleaseSemaphore(w32sema, 1, NULL) != zero);
+ TESTSTOP
+ assert(CloseHandle(w32sema) != 0);
+
+ reportTest("W32 Post with no waiters");
+
+
+ assert((w32sema = CreateSemaphore(NULL, (long) ITERATIONS, (long) ITERATIONS, NULL)) != 0);
+ TESTSTART
+ assert(WaitForSingleObject(w32sema, INFINITE) == WAIT_OBJECT_0);
+ TESTSTOP
+ assert(CloseHandle(w32sema) != 0);
+
+ reportTest("W32 Wait without blocking");
+
+
+ assert(sem_init(&sema, 0, 0) == 0);
+ TESTSTART
+ assert(sem_post(&sema) == zero);
+ TESTSTOP
+ assert(sem_destroy(&sema) == 0);
+
+ reportTest("POSIX Post with no waiters");
+
+
+ assert(sem_init(&sema, 0, ITERATIONS) == 0);
+ TESTSTART
+ assert(sem_wait(&sema) == zero);
+ TESTSTOP
+ assert(sem_destroy(&sema) == 0);
+
+ reportTest("POSIX Wait without blocking");
+
+
+ printf( "=============================================================================\n");
+
+ /*
+ * End of tests.
+ */
+
+ return 0;
+}
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