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Added reentrant locks module to stdlib

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This commit is contained in:
Anatoly Galiulin 2016-02-17 17:05:20 +06:00
commit 0290bc2240
2 changed files with 63 additions and 1 deletions
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14
lib/system/syslocks.nim
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@ -75,12 +75,24 @@ else:
type
SysLock {.importc: "pthread_mutex_t", pure, final,
header: "<sys/types.h>".} = object
SysLockAttr {.importc: "pthread_mutexattr_t", pure, final
header: "<sys/types.h>".} = object
SysCond {.importc: "pthread_cond_t", pure, final,
header: "<sys/types.h>".} = object
SysLockType = distinct cint
proc initSysLock(L: var SysLock, attr: pointer = nil) {.
proc SysLockType_Reentrant: SysLockType =
{.emit: "`result` = PTHREAD_MUTEX_RECURSIVE;".}
proc initSysLock(L: var SysLock, attr: ptr SysLockAttr = nil) {.
importc: "pthread_mutex_init", header: "<pthread.h>", noSideEffect.}
proc initSysLockAttr(a: var SysLockAttr) {.
importc: "pthread_mutexattr_init", header: "<pthread.h>", noSideEffect.}
proc setSysLockType(a: var SysLockAttr, t: SysLockType) {.
importc: "pthread_mutexattr_settype", header: "<pthread.h>", noSideEffect.}
proc acquireSys(L: var SysLock) {.noSideEffect,
importc: "pthread_mutex_lock", header: "<pthread.h>".}
proc tryAcquireSysAux(L: var SysLock): cint {.noSideEffect,