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libaislock.h
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typedef char SaInt8T;
typedef short SaInt16T;
typedef long SaInt32T;
typedef long long SaInt64T;
typedef unsigned char SaUint8T;
typedef unsigned short SaUint16T;
typedef unsigned long SaUint32T;
typedef unsigned long long SaUint64T;
typedef SaInt64T SaTimeT;
#define SA_MAX_NAME_LENGTH 256
typedef struct {
SaUint16T length;
unsigned char value[SA_MAX_NAME_LENGTH];
} SaNameT;
typedef struct {
char releaseCode;
unsigned char major;
unsigned char minor;
} SaVersionT;
typedef int SaSelectionObjectT;
typedef void *SaInvocationT;
typedef enum {
SA_DISPATCH_ONE = 1,
SA_DISPATCH_ALL = 2,
SA_DISPATCH_BLOCKING = 3
} SaDispatchFlagsT;
typedef enum {
SA_OK = 1,
SA_ERR_LIBRARY = 2,
SA_ERR_VERSION = 3,
SA_ERR_INIT = 4,
SA_ERR_TIMEOUT = 5,
SA_ERR_TRY_AGAIN = 6,
SA_ERR_INVALID_PARAM = 7,
SA_ERR_NO_MEMORY = 8,
SA_ERR_BAD_HANDLE = 9,
SA_ERR_BUSY = 10,
SA_ERR_ACCESS = 11,
SA_ERR_NOT_EXIST = 12,
SA_ERR_NAME_TOO_LONG = 13,
SA_ERR_EXIST = 14,
SA_ERR_NO_SPACE = 15,
SA_ERR_INTERRUPT =16,
SA_ERR_SYSTEM = 17,
SA_ERR_NAME_NOT_FOUND = 18,
SA_ERR_NO_RESOURCES = 19,
SA_ERR_NOT_SUPPORTED = 20,
SA_ERR_BAD_OPERATION = 21,
SA_ERR_FAILED_OPERATION = 22,
SA_ERR_MESSAGE_ERROR = 23,
SA_ERR_NO_MESSAGE = 24,
SA_ERR_QUEUE_FULL = 25,
SA_ERR_QUEUE_NOT_AVAILABLE = 26,
SA_ERR_BAD_CHECKPOINT = 27,
SA_ERR_BAD_FLAGS = 28
} SaErrorT;
/* Chapter 10 */
typedef enum {
SA_LCK_PR_LOCK_MODE = 1,
SA_LCK_EX_LOCK_MODE = 2
} SaLckLockModeT;
typedef struct{
int site;
int pid;
} SaLckLockHolderT;
typedef struct {
SaLckLockHolderT orphan_holder;
SaNameT name;
} SaLckResourceIdT;
typedef struct {
struct dlm_lksb lksb;
SaLckResourceIdT *resource;
SaLckLockModeT held_mode;
SaLckLockModeT requested_mode;
int unlock;
SaInvocationT args;
} SaLckLockIdT;
#define SA_LCK_LOCK_NO_QUEUE 0x1
#define SA_LCK_LOCK_ORPHAN 0x2
#define SA_LCK_LOCK_TIMEOUT 0X4
typedef SaUint32T SaLckLockFlagsT;
typedef enum {
SA_LCK_LOCK_GRANTED = 1,
SA_LCK_LOCK_RELEASED = 2,
SA_LCK_LOCK_DEADLOCK = 3,
SA_LCK_LOCK_NOT_QUEUED = 4,
SA_LCK_LOCK_TIMED_OUT = 5,
SA_LCK_LOCK_ORPHANED = 6,
SA_LCK_LOCK_NO_MORE = 7
} SaLckLockStatusT;
typedef void
(*SaLckLockGrantCallbackT)(SaInvocationT invocation,
const SaLckResourceIdT *resourceId,
const SaLckLockIdT *lockId,
SaLckLockModeT lockMode,
SaLckLockStatusT lockStatus,
SaErrorT error);
typedef void
(*SaLckLockWaiterCallbackT)(SaInvocationT invocation,
const SaLckResourceIdT *resourceId,
const SaLckLockIdT *lockId,
SaLckLockModeT modeHeld,
SaLckLockModeT modeRequested);
typedef void
(*SaLckResourceUnlockCallbackT)(SaInvocationT invocation,
const SaLckResourceIdT *resourceId,
const SaLckLockIdT *lockId,
SaLckLockStatusT lockStatus,
SaErrorT error);
typedef struct SaLckCallbacks {
SaLckLockGrantCallbackT saLckLockGrantCallback;
SaLckLockWaiterCallbackT saLckLockWaiterCallback;
SaLckResourceUnlockCallbackT saLckResourceUnlockCallback;
}SaLckCallbacksT;
typedef struct {
SaLckCallbacksT callback;
SaVersionT version;
} SaLckHandleT;
SaErrorT
saLckInitialize(SaLckHandleT *lckHandle, const SaLckCallbacksT *lckCallbacks,
const SaVersionT *version);
SaErrorT
saLckSelectionObjectGet(const SaLckHandleT *lckHandle,
SaSelectionObjectT *selectionObject);
SaErrorT
saLckDispatch(const SaLckHandleT *lckHandle,
const SaDispatchFlagsT dispatchFlags);
SaErrorT
saLckFinalize(SaLckHandleT *lckHandle);
SaErrorT
saLckResourceOpen(const SaLckHandleT *lckHandle,
const SaNameT *lockName,
SaLckResourceIdT *resourceId);
SaErrorT
saLckResourceClose(SaLckHandleT *lckHandle, SaLckResourceIdT *resourceId);
SaErrorT
saLckResourceLock(const SaLckHandleT *lckHandle, SaInvocationT invocation,
const SaLckResourceIdT *resourceId,
SaLckLockIdT *lockId,
SaLckLockModeT lockMode,
SaLckLockFlagsT lockFlags,
SaTimeT timeout,
SaLckLockStatusT *lockStatus);
SaErrorT
SaLckResourceLockAsync(const SaLckHandleT *lckHandle,
SaInvocationT invocation,
const SaLckResourceIdT *resourceId,
SaLckLockIdT *lockId,
SaLckLockModeT lockMode,
SaLckLockFlagsT lockFlags,
SaTimeT timeout);
SaErrorT
saLckResourceUnlock(const SaLckHandleT *lckHandle,
SaLckLockIdT *lockId,
SaTimeT timeout);
SaErrorT
saLckResourceUnlockAsync(const SaLckHandleT *lckHandle,
SaInvocationT invocation,
SaLckLockIdT *lockId);
SaErrorT
saLckLockPurge(const SaLckHandleT *lckHandle,
const SaLckResourceIdT *resourceId);

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