diff options
| author | marha <marha@users.sourceforge.net> | 2013-02-13 11:03:57 +0100 |
|---|---|---|
| committer | marha <marha@users.sourceforge.net> | 2013-02-13 11:03:57 +0100 |
| commit | 8fa17b13062c1e2acca542cc7a2ccb09aca874e8 (patch) | |
| tree | 158a6239b0fdf2abf63fb7365b4cd4886c15f5b1 /pthreads/tests/affinity4.c | |
| parent | 4a165ef2f762a4ce9155f2a3626692326bda616d (diff) | |
| parent | b41f74438672dd682bc01ae818cb3da654f22c1e (diff) | |
| download | vcxsrv-8fa17b13062c1e2acca542cc7a2ccb09aca874e8.tar.gz vcxsrv-8fa17b13062c1e2acca542cc7a2ccb09aca874e8.tar.bz2 vcxsrv-8fa17b13062c1e2acca542cc7a2ccb09aca874e8.zip | |
Merge remote-tracking branch 'origin/released'
* origin/released:
Updated to latest CVS version of pthreads
Conflicts:
pthreads/Makefile
Diffstat (limited to 'pthreads/tests/affinity4.c')
| -rwxr-xr-x | pthreads/tests/affinity4.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/pthreads/tests/affinity4.c b/pthreads/tests/affinity4.c new file mode 100755 index 000000000..31aad46c2 --- /dev/null +++ b/pthreads/tests/affinity4.c @@ -0,0 +1,70 @@ +/*
+ * affinity4.c
+ *
+ *
+ * --------------------------------------------------------------------------
+ *
+ * Pthreads-win32 - POSIX Threads Library for Win32
+ * Copyright(C) 1998 John E. Bossom
+ * Copyright(C) 1999,2012 Pthreads-win32 contributors
+ *
+ * Homepage1: http://sourceware.org/pthreads-win32/
+ * Homepage2: http://sourceforge.net/projects/pthreads4w/
+ *
+ * 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 thread CPU affinity setting.
+ *
+ */
+
+#include "test.h"
+
+int
+main()
+{
+ unsigned int cpu;
+ cpu_set_t threadCpus;
+ DWORD_PTR vThreadMask;
+ cpu_set_t keepCpus;
+ pthread_t self = pthread_self();
+
+ CPU_ZERO(&keepCpus);
+ for (cpu = 1; cpu < sizeof(cpu_set_t)*8; cpu += 2)
+ {
+ CPU_SET(cpu, &keepCpus); /* 0b10101010101010101010101010101010 */
+ }
+
+ assert(pthread_getaffinity_np(self, sizeof(cpu_set_t), &threadCpus) == 0);
+ if (CPU_COUNT(&threadCpus) > 1)
+ {
+ CPU_AND(&threadCpus, &threadCpus, &keepCpus);
+ vThreadMask = SetThreadAffinityMask(GetCurrentThread(), (*(PDWORD_PTR)&threadCpus) /* Violating Opacity */);
+ assert(pthread_setaffinity_np(self, sizeof(cpu_set_t), &threadCpus) == 0);
+ vThreadMask = SetThreadAffinityMask(GetCurrentThread(), vThreadMask);
+ assert(vThreadMask != 0);
+ assert(memcmp(&vThreadMask, &threadCpus, sizeof(DWORD_PTR)) == 0);
+ }
+
+ return 0;
+}
|