K:/CMGDKv18/SDK/Source/SQL/MySQL/include/atomic/rwlock.h文件参考

浏览该文件的源代码。

组合类型
struct	my_atomic_rwlock_t
宏定义
#define	MY_ATOMIC_MODE_RWLOCKS   1
#define	my_atomic_rwlock_destroy(name)   pthread_mutex_destroy(& (name)->rw)
#define	my_atomic_rwlock_init(name)   pthread_mutex_init(& (name)->rw, 0)
#define	my_atomic_rwlock_rdlock(name)   pthread_mutex_lock(& (name)->rw)
#define	my_atomic_rwlock_wrlock(name)   pthread_mutex_lock(& (name)->rw)
#define	my_atomic_rwlock_rdunlock(name)   pthread_mutex_unlock(& (name)->rw)
#define	my_atomic_rwlock_wrunlock(name)   pthread_mutex_unlock(& (name)->rw)
#define	MY_ATOMIC_MODE   "mutex"
#define	make_atomic_add_body(S)   int ## S sav; sav= *a; *a+= v; v=sav;
#define	make_atomic_fas_body(S)   int ## S sav; sav= *a; *a= v; v=sav;
#define	make_atomic_cas_body(S)   if ((ret= (*a == *cmp))) *a= set; else *cmp=*a;
#define	make_atomic_load_body(S)   ret= *a;
#define	make_atomic_store_body(S)   *a= v;

---

宏定义文档

#define make_atomic_add_body

(

S

)

int ## S sav; sav= *a; *a+= v; v=sav;

#define make_atomic_cas_body

(

S

)

if ((ret= (*a == *cmp))) *a= set; else *cmp=*a;

#define make_atomic_fas_body

(

S

)

int ## S sav; sav= *a; *a= v; v=sav;

#define make_atomic_load_body

(

S

)

ret= *a;

#define make_atomic_store_body

(

S

)

*a= v;

#define MY_ATOMIC_MODE   "mutex"

#define MY_ATOMIC_MODE_RWLOCKS   1

#define my_atomic_rwlock_destroy

(

name

)

pthread_mutex_destroy(& (name)->rw)

#define my_atomic_rwlock_init

(

name

)

pthread_mutex_init(& (name)->rw, 0)

#define my_atomic_rwlock_rdlock

(

name

)

pthread_mutex_lock(& (name)->rw)

#define my_atomic_rwlock_rdunlock

(

name

)

pthread_mutex_unlock(& (name)->rw)

#define my_atomic_rwlock_wrlock

(

name

)

pthread_mutex_lock(& (name)->rw)

#define my_atomic_rwlock_wrunlock

(

name

)

pthread_mutex_unlock(& (name)->rw)