blob: f2a8feabc03cda086fa9c5bb1788fdf2ead7e669 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
|
#ifndef AL_RWLOCK_H
#define AL_RWLOCK_H
#include "bool.h"
#include "atomic.h"
#ifdef __cplusplus
extern "C" {
#endif
typedef struct {
RefCount read_count;
RefCount write_count;
volatile int read_lock;
volatile int read_entry_lock;
volatile int write_lock;
} RWLock;
#define RWLOCK_STATIC_INITIALIZE { ATOMIC_INIT_STATIC(0), ATOMIC_INIT_STATIC(0), false, false, false }
void RWLockInit(RWLock *lock);
void ReadLock(RWLock *lock);
void ReadUnlock(RWLock *lock);
void WriteLock(RWLock *lock);
void WriteUnlock(RWLock *lock);
#ifdef __cplusplus
}
#endif
#endif /* AL_RWLOCK_H */
|
