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Diffstat (limited to 'source/myport/windows_nt/mycore/utils/mcsync.c')
-rw-r--r--source/myport/windows_nt/mycore/utils/mcsync.c117
1 files changed, 117 insertions, 0 deletions
diff --git a/source/myport/windows_nt/mycore/utils/mcsync.c b/source/myport/windows_nt/mycore/utils/mcsync.c
new file mode 100644
index 0000000..4062c75
--- /dev/null
+++ b/source/myport/windows_nt/mycore/utils/mcsync.c
@@ -0,0 +1,117 @@
+/*
+ Copyright (C) 2015-2017 Alexander Borisov
+
+ 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 2.1 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; if not, write to the Free Software
+ Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+
+ Author: lex.borisov@gmail.com (Alexander Borisov)
+*/
+
+#include "mycore/utils/mcsync.h"
+
+#ifndef MyCORE_BUILD_WITHOUT_THREADS
+#include <windows.h>
+
+/* spinlock */
+void * mcsync_spin_create(void)
+{
+ CRITICAL_SECTION *spinlock = mycore_calloc(1, sizeof(CRITICAL_SECTION));
+ if(spinlock == NULL)
+ return NULL;
+
+ if(InitializeCriticalSectionAndSpinCount(spinlock, 0x00000400))
+ return spinlock;
+
+ return mycore_free(spinlock);
+}
+
+mcsync_status_t mcsync_spin_init(void* spinlock)
+{
+ if(spinlock)
+ return MCSYNC_STATUS_OK;
+
+ return MCSYNC_STATUS_NOT_OK;
+}
+
+void mcsync_spin_clean(void* spinlock)
+{
+}
+
+void mcsync_spin_destroy(void* spinlock)
+{
+ DeleteCriticalSection(spinlock);
+ mycore_free(spinlock);
+}
+
+mcsync_status_t mcsync_spin_lock(void* spinlock)
+{
+ EnterCriticalSection(spinlock);
+ return MCSYNC_STATUS_OK;
+}
+
+mcsync_status_t mcsync_spin_unlock(void* spinlock)
+{
+ LeaveCriticalSection(spinlock);
+ return MCSYNC_STATUS_OK;
+}
+
+/* mutex */
+void * mcsync_mutex_create(void)
+{
+ return CreateSemaphore(NULL, 1, 1, NULL);
+}
+
+mcsync_status_t mcsync_mutex_init(void* mutex)
+{
+ if(mutex == NULL)
+ return MCSYNC_STATUS_NOT_OK;
+
+ return MCSYNC_STATUS_OK;
+}
+
+void mcsync_mutex_clean(void* mutex)
+{
+ /* clean function */
+}
+
+void mcsync_mutex_destroy(void* mutex)
+{
+ CloseHandle(mutex);
+}
+
+mcsync_status_t mcsync_mutex_lock(void* mutex)
+{
+ if(WaitForSingleObject(mutex, INFINITE) == WAIT_OBJECT_0)
+ return MCSYNC_STATUS_OK;
+
+ return MCSYNC_STATUS_NOT_OK;
+}
+
+mcsync_status_t mcsync_mutex_try_lock(void* mutex)
+{
+ if(WaitForSingleObject(mutex, 0) != WAIT_FAILED)
+ return MCSYNC_STATUS_OK;
+
+ return MCSYNC_STATUS_NOT_OK;
+}
+
+mcsync_status_t mcsync_mutex_unlock(void* mutex)
+{
+ if(ReleaseSemaphore(mutex, 1, NULL))
+ return MCSYNC_STATUS_OK;
+
+ return MCSYNC_STATUS_NOT_OK;
+}
+
+#endif