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Mutex profiling updates, to collect more statistics on mutex usage.

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This commit is contained in:
Damien Neil
2001-01-04 22:37:37 +00:00
parent c67496c943
commit e9453d609d
2 changed files with 239 additions and 7 deletions
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50
lib/isc/pthreads/include/isc/mutex.h
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@@ -15,7 +15,7 @@
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/* $Id: mutex.h,v 1.17 2000/12/29 18:19:52 bwelling Exp $ */
/* $Id: mutex.h,v 1.18 2001/01/04 22:37:37 neild Exp $ */
#ifndef ISC_MUTEX_H
#define ISC_MUTEX_H 1
@@ -25,8 +25,6 @@
#include <isc/result.h> /* for ISC_R_ codes */
typedef pthread_mutex_t isc_mutex_t;
/* XXX We could do fancier error handling... */
/*
@@ -36,31 +34,67 @@ typedef pthread_mutex_t isc_mutex_t;
* waiting to obtain the lock.
*/
#ifndef ISC_MUTEX_PROFILE
#define ISC_MUTEX_PROFILE 0
#define ISC_MUTEX_PROFILE 1
#endif
#if ISC_MUTEX_PROFILE
typedef struct isc_mutex_stats isc_mutex_stats_t;
typedef struct {
pthread_mutex_t mutex; /* The actual mutex. */
isc_mutex_stats_t * stats; /* Mutex statistics. */
} isc_mutex_t;
#else
typedef pthread_mutex_t isc_mutex_t;
#endif
#if ISC_MUTEX_PROFILE
#define isc_mutex_init(mp) \
isc_mutex_init_profile((mp), __FILE__, __LINE__)
#else
#define isc_mutex_init(mp) \
((pthread_mutex_init((mp), NULL) == 0) ? \
ISC_R_SUCCESS : ISC_R_UNEXPECTED)
#endif
#if ISC_MUTEX_PROFILE
#define isc_mutex_lock(mp) \
isc_mutex_lockprofile((mp), __FILE__, __LINE__)
isc_mutex_lock_profile((mp), __FILE__, __LINE__)
#else
#define isc_mutex_lock(mp) \
((pthread_mutex_lock((mp)) == 0) ? \
ISC_R_SUCCESS : ISC_R_UNEXPECTED)
#endif
#if ISC_MUTEX_PROFILE
#define isc_mutex_unlock(mp) \
isc_mutex_unlock_profile((mp), __FILE__, __LINE__)
#else
#define isc_mutex_unlock(mp) \
((pthread_mutex_unlock((mp)) == 0) ? \
ISC_R_SUCCESS : ISC_R_UNEXPECTED)
#endif
#if ISC_MUTEX_PROFILE
#define isc_mutex_trylock(mp) \
((pthread_mutex_trylock((&(mp)->mutex)) == 0) ? \
ISC_R_SUCCESS : ISC_R_LOCKBUSY)
#else
#define isc_mutex_trylock(mp) \
((pthread_mutex_trylock((mp)) == 0) ? \
ISC_R_SUCCESS : ISC_R_LOCKBUSY)
#endif
#if ISC_MUTEX_PROFILE
#define isc_mutex_destroy(mp) \
((pthread_mutex_destroy((&(mp)->mutex)) == 0) ? \
ISC_R_SUCCESS : ISC_R_UNEXPECTED)
#else
#define isc_mutex_destroy(mp) \
((pthread_mutex_destroy((mp)) == 0) ? \
ISC_R_SUCCESS : ISC_R_UNEXPECTED)
#endif
#if ISC_MUTEX_PROFILE
#define isc_mutex_stats(fp) isc_mutex_statsprofile(fp);
@@ -71,7 +105,11 @@ typedef pthread_mutex_t isc_mutex_t;
#if ISC_MUTEX_PROFILE
isc_result_t
isc_mutex_lockprofile(isc_mutex_t *mp, const char * _file, int _line);
isc_mutex_init_profile(isc_mutex_t *mp, const char * _file, int _line);
isc_result_t
isc_mutex_lock_profile(isc_mutex_t *mp, const char * _file, int _line);
isc_result_t
isc_mutex_unlock_profile(isc_mutex_t *mp, const char * _file, int _line);
void
isc_mutex_statsprofile(FILE *fp);