stasis-aries-wal/src/lladd/latches.h

75 lines
2.4 KiB
C
Raw Normal View History

#include <config.h>
#include <lladd/common.h>
/** @todo threading should be moved into its own header file. */
#include <pthread.h>
/*#include <pbl/pbl.h> -- Don't want everything that touches threading to include pbl... */
#include <lladd/stats.h>
/**
A data structure for profiling latching behavior.
All time values recorded in this struct are in microseconds.
*/
typedef struct {
const char * file;
int line;
const char * name;
pthread_mutex_t mutex;
profile_tuple tup;
char * last_acquired_at;
/* pblHashTable_t * lockpoints; */
void * lockpoints;
} lladd_pthread_mutex_t;
#include <libdfa/rw.h>
/**
Keeps some profiling information along with a read/write lock.
*/
typedef struct {
const char * file;
int line;
rwl * lock;
profile_tuple tup;
char * last_acquired_at;
/* pblHashTable_t * lockpoints; */
void * lockpoints;
} __profile_rwl;
#ifdef PROFILE_LATCHES
#define pthread_mutex_t lladd_pthread_mutex_t
#define pthread_mutex_init(x, y) __lladd_pthread_mutex_init((x), (y), __FILE__, __LINE__, #x)
#define pthread_mutex_destroy(x) __lladd_pthread_mutex_destroy((x))
#define pthread_mutex_lock(x) __lladd_pthread_mutex_lock((x), __FILE__, __LINE__)
#define pthread_mutex_unlock(x) __lladd_pthread_mutex_unlock((x))
#define pthread_mutex_trylock(x) NO_PROFILING_EQUIVALENT_TO_PTHREAD_TRYLOCK
int __lladd_pthread_mutex_init(lladd_pthread_mutex_t *mutex, const pthread_mutexattr_t *mutexattr, const char * file, int line, const char * mutex_name);
int __lladd_pthread_mutex_lock(lladd_pthread_mutex_t *mutex, char * file, int line);
int __lladd_pthread_mutex_unlock(lladd_pthread_mutex_t *mutex);
int __lladd_pthread_mutex_destroy(lladd_pthread_mutex_t *mutex);
#define initlock() __profile_rw_initlock(__FILE__, __LINE__)
#define readlock(x, y) __profile_readlock((x),(y), __FILE__, __LINE__)
#define writelock(x, y) __profile_writelock((x), (y), __FILE__, __LINE__)
#define readunlock(x) __profile_readunlock((x))
#define writeunlock(x) __profile_writeunlock((x))
#define deletelock(x) __profile_deletelock((x))
#define rwl __profile_rwl
rwl *__profile_rw_initlock (char * file, int line);
void __profile_readlock (rwl *lock, int d, char * file, int line);
void __profile_writelock (rwl *lock, int d, char * file, int line);
void __profile_readunlock (rwl *lock);
void __profile_writeunlock (rwl *lock);
void __profile_deletelock (rwl *lock);
#endif