blob: 766b7b536321a02528b039b0b6289c423e7e565d (
plain) (
blame)
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
55
56
57
58
59
60
61
62
63
64
65
66
67
|
#
#
# Nim's Runtime Library
# (c) Copyright 2012 Andreas Rumpf
#
# See the file "copying.txt", included in this
# distribution, for details about the copyright.
#
## This module contains Nim's support for locks and condition vars.
include "system/syslocks"
type
TLock* = TSysLock ## Nim lock; whether this is re-entrant
## or not is unspecified!
TCond* = TSysCond ## Nim condition variable
LockEffect* {.deprecated.} = object of RootEffect ## \
## effect that denotes that some lock operation
## is performed. Deprecated, do not use anymore!
AquireEffect* {.deprecated.} = object of LockEffect ## \
## effect that denotes that some lock is
## aquired. Deprecated, do not use anymore!
ReleaseEffect* {.deprecated.} = object of LockEffect ## \
## effect that denotes that some lock is
## released. Deprecated, do not use anymore!
{.deprecated: [FLock: LockEffect, FAquireLock: AquireEffect,
FReleaseLock: ReleaseEffect].}
proc initLock*(lock: var TLock) {.inline.} =
## Initializes the given lock.
initSysLock(lock)
proc deinitLock*(lock: var TLock) {.inline.} =
## Frees the resources associated with the lock.
deinitSys(lock)
proc tryAcquire*(lock: var TLock): bool =
## Tries to acquire the given lock. Returns `true` on success.
result = tryAcquireSys(lock)
proc acquire*(lock: var TLock) =
## Acquires the given lock.
acquireSys(lock)
proc release*(lock: var TLock) =
## Releases the given lock.
releaseSys(lock)
proc initCond*(cond: var TCond) {.inline.} =
## Initializes the given condition variable.
initSysCond(cond)
proc deinitCond*(cond: var TCond) {.inline.} =
## Frees the resources associated with the lock.
deinitSysCond(cond)
proc wait*(cond: var TCond, lock: var TLock) {.inline.} =
## waits on the condition variable `cond`.
waitSysCond(cond, lock)
proc signal*(cond: var TCond) {.inline.} =
## sends a signal to the condition variable `cond`.
signalSysCond(cond)
|