58 lines
754 B
C
58 lines
754 B
C
|
#ifndef MT_RW_LOCK_H
|
||
|
|
#define MT_RW_LOCK_H
|
||
|
|
|
||
|
|
#include "base.h"
|
||
|
|
|
||
|
|
#include <pthread.h>
|
||
|
|
|
||
|
|
namespace mt
|
||
|
|
{
|
||
|
|
|
||
|
|
class rw_lock
|
||
|
|
{
|
||
|
|
MT_PREVENT_COPY(rw_lock)
|
||
|
|
|
||
|
|
public:
|
||
|
|
|
||
|
|
typedef rw_lock this_type;
|
||
|
|
typedef void base_type;
|
||
|
|
|
||
|
|
rw_lock(void)
|
||
|
|
{
|
||
|
|
pthread_rwlock_init(&(this->rw), 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
~rw_lock(void)
|
||
|
|
{
|
||
|
|
pthread_rwlock_destroy(&(this->rw));
|
||
|
|
}
|
||
|
|
|
||
|
|
void lock_read(void)
|
||
|
|
{
|
||
|
|
pthread_rwlock_rdlock(&(this->rw));
|
||
|
|
}
|
||
|
|
|
||
|
|
void unlock_read(void)
|
||
|
|
{
|
||
|
|
pthread_rwlock_unlock(&(this->rw));
|
||
|
|
}
|
||
|
|
|
||
|
|
void lock_write(void)
|
||
|
|
{
|
||
|
|
pthread_rwlock_wrlock(&(this->rw));
|
||
|
|
}
|
||
|
|
|
||
|
|
void unlock_write(void)
|
||
|
|
{
|
||
|
|
pthread_rwlock_unlock(&(this->rw));
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
|
||
|
|
pthread_rwlock_t rw;
|
||
|
|
};
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif // MT_RW_LOCK_H
|