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authormarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
committermarha <marha@users.sourceforge.net>2009-06-28 22:07:26 +0000
commit3562e78743202e43aec8727005182a2558117eca (patch)
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Diffstat (limited to 'pthreads/ptw32_new.c')
-rw-r--r--pthreads/ptw32_new.c91
1 files changed, 91 insertions, 0 deletions
diff --git a/pthreads/ptw32_new.c b/pthreads/ptw32_new.c
new file mode 100644
index 000000000..281256741
--- /dev/null
+++ b/pthreads/ptw32_new.c
@@ -0,0 +1,91 @@
+/*
+ * ptw32_new.c
+ *
+ * Description:
+ * This translation unit implements miscellaneous thread functions.
+ *
+ * --------------------------------------------------------------------------
+ *
+ * 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
+ */
+
+#include "pthread.h"
+#include "implement.h"
+
+
+pthread_t
+ptw32_new (void)
+{
+ pthread_t t;
+ pthread_t nil = {NULL, 0};
+ ptw32_thread_t * tp;
+
+ /*
+ * If there's a reusable pthread_t then use it.
+ */
+ t = ptw32_threadReusePop ();
+
+ if (NULL != t.p)
+ {
+ tp = (ptw32_thread_t *) t.p;
+ }
+ else
+ {
+ /* No reuse threads available */
+ tp = (ptw32_thread_t *) calloc (1, sizeof(ptw32_thread_t));
+
+ if (tp == NULL)
+ {
+ return nil;
+ }
+
+ /* ptHandle.p needs to point to it's parent ptw32_thread_t. */
+ t.p = tp->ptHandle.p = tp;
+ t.x = tp->ptHandle.x = 0;
+ }
+
+ /* Set default state. */
+ tp->sched_priority = THREAD_PRIORITY_NORMAL;
+ tp->detachState = PTHREAD_CREATE_JOINABLE;
+ tp->cancelState = PTHREAD_CANCEL_ENABLE;
+ tp->cancelType = PTHREAD_CANCEL_DEFERRED;
+ tp->cancelLock = PTHREAD_MUTEX_INITIALIZER;
+ tp->threadLock = PTHREAD_MUTEX_INITIALIZER;
+ tp->cancelEvent = CreateEvent (0, (int) PTW32_TRUE, /* manualReset */
+ (int) PTW32_FALSE, /* setSignaled */
+ NULL);
+
+ if (tp->cancelEvent == NULL)
+ {
+ ptw32_threadReusePush (tp->ptHandle);
+ return nil;
+ }
+
+ return t;
+
+}