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introduced 'benign' pragma

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This commit is contained in:
Araq 2014-10-25 22:01:23 +02:00
commit a639824e5e
14 changed files with 125 additions and 117 deletions
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18
lib/system/channels.nim
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@ -49,9 +49,9 @@ proc deinitRawChannel(p: pointer) =
deinitSysCond(c.cond)
proc storeAux(dest, src: pointer, mt: PNimType, t: PRawChannel,
mode: TLoadStoreMode) {.gcsafe.}
mode: TLoadStoreMode) {.benign.}
proc storeAux(dest, src: pointer, n: ptr TNimNode, t: PRawChannel,
mode: TLoadStoreMode) {.gcsafe.} =
mode: TLoadStoreMode) {.benign.} =
var
d = cast[ByteAddress](dest)
s = cast[ByteAddress](src)
@ -225,15 +225,15 @@ proc recv*[TMsg](c: var TChannel[TMsg]): TMsg =
acquireSys(q.lock)
llRecv(q, addr(result), cast[PNimType](getTypeInfo(result)))
releaseSys(q.lock)
proc tryRecv*[TMsg](c: var TChannel[TMsg]): tuple[dataAvailable: bool,
msg: TMsg] =
## try to receives a message from the channel `c` if available. Otherwise
## it returns ``(false, default(msg))``.
proc tryRecv*[TMsg](c: var TChannel[TMsg]): tuple[dataAvailable: bool,
msg: TMsg] =
## try to receives a message from the channel `c` if available. Otherwise
## it returns ``(false, default(msg))``.
var q = cast[PRawChannel](addr(c))
if q.mask != ChannelDeadMask:
if q.mask != ChannelDeadMask:
if tryAcquireSys(q.lock):
llRecv(q, addr(result.msg), cast[PNimType](getTypeInfo(result.msg)))
llRecv(q, addr(result.msg), cast[PNimType](getTypeInfo(result.msg)))
result.dataAvailable = true
releaseSys(q.lock)