blob: 2111e97ba323f73295bc8ca0467ef98ef0e7ed80 (
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
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
|
/** BEGIN COPYRIGHT BLOCK
* Copyright 2001 Sun Microsystems, Inc.
* Portions copyright 1999, 2001-2003 Netscape Communications Corporation.
* All rights reserved.
* END COPYRIGHT BLOCK **/
/*
* rwlock.h: Shared/Exclusive lock abstraction.
*
* Sanjay Krishnamurthi
*/
#ifndef _BASE_RWLOCK_H_
#define _BASE_RWLOCK_H_
#include "netsite.h"
#include "crit.h"
NSPR_BEGIN_EXTERN_C
typedef void* RWLOCK;
/*
* rwlock_Init()
* creates and returns a new readwrite lock variable.
*/
NSAPI_PUBLIC RWLOCK rwlock_Init(void);
/*
* rwlock_ReadLock()
*/
NSAPI_PUBLIC void rwlock_ReadLock(RWLOCK lock);
/*
* rwlock_WriteLock()
*/
NSAPI_PUBLIC void rwlock_WriteLock(RWLOCK lock);
/*
* rwlock_Unlock()
*/
NSAPI_PUBLIC void rwlock_Unlock(RWLOCK lock);
/*
* rwlock_DemoteLock()
*/
NSAPI_PUBLIC void rwlock_DemoteLock(RWLOCK lock);
/*
* rwlock_terminate removes a previously allocated RWLOCK variable.
*/
NSAPI_PUBLIC void rwlock_Terminate(RWLOCK lock);
NSPR_END_EXTERN_C
#endif /* _BASE_RWLOCK_H_ */
|
