diff options
Diffstat (limited to 'include/my_pthread.h')
| -rw-r--r-- | include/my_pthread.h | 43 |
1 files changed, 28 insertions, 15 deletions
diff --git a/include/my_pthread.h b/include/my_pthread.h index 8d03de49574..3e4388413e0 100644 --- a/include/my_pthread.h +++ b/include/my_pthread.h @@ -25,7 +25,10 @@ #endif #ifdef __cplusplus +#define EXTERNC extern "C" extern "C" { +#else +#define EXTERNC #endif /* __cplusplus */ #if defined(__WIN__) || defined(OS2) @@ -77,10 +80,10 @@ struct timespec { /* For pthread_cond_timedwait() */ typedef int pthread_mutexattr_t; #define win_pthread_self my_thread_var->pthread_self #ifdef OS2 -#define pthread_handler_decl(A,B) void * _Optlink A(void *B) +#define pthread_handler_t EXTERNC void * _Optlink typedef void * (_Optlink *pthread_handler)(void *); #else -#define pthread_handler_decl(A,B) void * __cdecl A(void *B) +#define pthread_handler_t EXTERNC void * __cdecl typedef void * (__cdecl *pthread_handler)(void *); #endif @@ -144,7 +147,7 @@ extern int pthread_mutex_destroy (pthread_mutex_t *); #define pthread_kill(A,B) raise(B) #define pthread_exit(A) pthread_dummy() #else -#define pthread_mutex_init(A,B) InitializeCriticalSection(A) +#define pthread_mutex_init(A,B) (InitializeCriticalSection(A),0) #define pthread_mutex_lock(A) (EnterCriticalSection(A),0) #define pthread_mutex_trylock(A) (WaitForSingleObject((A), 0) == WAIT_TIMEOUT) #define pthread_mutex_unlock(A) LeaveCriticalSection(A) @@ -184,7 +187,7 @@ typedef int pthread_attr_t; /* Needed by Unixware 7.0.0 */ #define pthread_key_create(A,B) thr_keycreate((A),(B)) #define pthread_key_delete(A) thr_keydelete(A) -#define pthread_handler_decl(A,B) void *A(void *B) +#define pthread_handler_t EXTERNC void * #define pthread_key(T,V) pthread_key_t V void * my_pthread_getspecific_imp(pthread_key_t key); @@ -262,7 +265,7 @@ extern int my_pthread_getprio(pthread_t thread_id); #define my_pthread_getspecific_ptr(T,V) my_pthread_getspecific(T,(V)) #define my_pthread_setspecific_ptr(T,V) pthread_setspecific(T,(void*) (V)) #define pthread_detach_this_thread() -#define pthread_handler_decl(A,B) void *A(void *B) +#define pthread_handler_t EXTERNC void * typedef void *(* pthread_handler)(void *); /* Test first for RTS or FSU threads */ @@ -535,9 +538,15 @@ void safe_mutex_end(FILE *file); #define pthread_cond_timedwait(A,B,C) safe_cond_timedwait((A),(B),(C),__FILE__,__LINE__) #define pthread_mutex_trylock(A) pthread_mutex_lock(A) #define pthread_mutex_t safe_mutex_t -#define safe_mutex_assert_owner(mp) DBUG_ASSERT((mp)->count > 0 && pthread_equal(pthread_self(),(mp)->thread)) +#define safe_mutex_assert_owner(mp) \ + DBUG_ASSERT((mp)->count > 0 && \ + pthread_equal(pthread_self(), (mp)->thread)) +#define safe_mutex_assert_not_owner(mp) \ + DBUG_ASSERT(! (mp)->count || \ + ! pthread_equal(pthread_self(), (mp)->thread)) #else #define safe_mutex_assert_owner(mp) +#define safe_mutex_assert_not_owner(mp) #endif /* SAFE_MUTEX */ /* READ-WRITE thread locking */ @@ -636,10 +645,10 @@ extern int pthread_dummy(int); #define THREAD_NAME_SIZE 10 #ifndef DEFAULT_THREAD_STACK -#if defined(__ia64__) +#if SIZEOF_CHARP > 4 /* MySQL can survive with 32K, but some glibc libraries require > 128K stack - To resolve hostnames + To resolve hostnames. Also recursive stored procedures needs stack. */ #define DEFAULT_THREAD_STACK (256*1024L) #else @@ -680,21 +689,25 @@ extern pthread_t shutdown_th, main_th, signal_th; #ifndef thread_safe_increment #ifdef HAVE_ATOMIC_ADD -#define thread_safe_increment(V,L) atomic_add(1,(atomic_t*) &V); -#define thread_safe_add(V,C,L) atomic_add((C),(atomic_t*) &V); -#define thread_safe_sub(V,C,L) atomic_sub((C),(atomic_t*) &V); +#define thread_safe_increment(V,L) atomic_inc((atomic_t*) &V) +#define thread_safe_decrement(V,L) atomic_dec((atomic_t*) &V) +#define thread_safe_add(V,C,L) atomic_add((C),(atomic_t*) &V) +#define thread_safe_sub(V,C,L) atomic_sub((C),(atomic_t*) &V) #else #define thread_safe_increment(V,L) \ - pthread_mutex_lock((L)); (V)++; pthread_mutex_unlock((L)); -#define thread_safe_add(V,C,L) \ - pthread_mutex_lock((L)); (V)+=(C); pthread_mutex_unlock((L)); + (pthread_mutex_lock((L)), (V)++, pthread_mutex_unlock((L))) +#define thread_safe_decrement(V,L) \ + (pthread_mutex_lock((L)), (V)--, pthread_mutex_unlock((L))) +#define thread_safe_add(V,C,L) (pthread_mutex_lock((L)), (V)+=(C), pthread_mutex_unlock((L))) #define thread_safe_sub(V,C,L) \ - pthread_mutex_lock((L)); (V)-=(C); pthread_mutex_unlock((L)); + (pthread_mutex_lock((L)), (V)-=(C), pthread_mutex_unlock((L))) #endif /* HAVE_ATOMIC_ADD */ #ifdef SAFE_STATISTICS #define statistic_increment(V,L) thread_safe_increment((V),(L)) +#define statistic_decrement(V,L) thread_safe_decrement((V),(L)) #define statistic_add(V,C,L) thread_safe_add((V),(C),(L)) #else +#define statistic_decrement(V,L) (V)-- #define statistic_increment(V,L) (V)++ #define statistic_add(V,C,L) (V)+=(C) #endif /* SAFE_STATISTICS */ |