diff options
Diffstat (limited to 'source/myport/windows_nt/mycore/utils/mcsync.c')
-rw-r--r-- | source/myport/windows_nt/mycore/utils/mcsync.c | 117 |
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 |