diff options
Diffstat (limited to 'storage/ndb/src/common/portlib/NdbMutex.c')
-rw-r--r-- | storage/ndb/src/common/portlib/NdbMutex.c | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/storage/ndb/src/common/portlib/NdbMutex.c b/storage/ndb/src/common/portlib/NdbMutex.c new file mode 100644 index 00000000000..d3d39ea8cf7 --- /dev/null +++ b/storage/ndb/src/common/portlib/NdbMutex.c @@ -0,0 +1,93 @@ +/* Copyright (C) 2003 MySQL AB + + This program is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 2 of the License, or + (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ + + +#include <ndb_global.h> + +#include <NdbThread.h> +#include <NdbMutex.h> +#include <NdbMem.h> + +NdbMutex* NdbMutex_Create(void) +{ + NdbMutex* pNdbMutex; + int result; + + pNdbMutex = (NdbMutex*)NdbMem_Allocate(sizeof(NdbMutex)); + + if (pNdbMutex == NULL) + return NULL; + + result = pthread_mutex_init(pNdbMutex, NULL); + assert(result == 0); + + return pNdbMutex; + +} + + +int NdbMutex_Destroy(NdbMutex* p_mutex) +{ + int result; + + if (p_mutex == NULL) + return -1; + + result = pthread_mutex_destroy(p_mutex); + free(p_mutex); + + return result; + +} + + +int NdbMutex_Lock(NdbMutex* p_mutex) +{ + int result; + + if (p_mutex == NULL) + return -1; + + result = pthread_mutex_lock(p_mutex); + + return result; +} + + +int NdbMutex_Unlock(NdbMutex* p_mutex) +{ + int result; + + if (p_mutex == NULL) + return -1; + + result = pthread_mutex_unlock(p_mutex); + + return result; +} + + +int NdbMutex_Trylock(NdbMutex* p_mutex) +{ + int result = -1; + + if (p_mutex != NULL) { + result = pthread_mutex_trylock(p_mutex); + } + + return result; +} + |