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Allow creating pipe with non-blocking input #40

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Allow creating pipe with non-blocking input #40

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8 changes: 4 additions & 4 deletions asynctools/asyncpipe.nim
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Original file line number Diff line number Diff line change
Expand Up @@ -157,7 +157,7 @@ else:
result = "AsyncPipe [read = " & $(cast[uint](pipe.readPipe)) &
", write = " & $(cast[int](pipe.writePipe)) & "]"

proc createPipe*(register = true): AsyncPipe =
proc createPipe*(register = true, nonBlockingWrite = true): AsyncPipe =

var number = 0'i64
var pipeName: WideCString
Expand Down Expand Up @@ -333,12 +333,13 @@ else:
result = "AsyncPipe [read = " & $(cast[uint](pipe.readPipe)) &
", write = " & $(cast[uint](pipe.writePipe)) & "]"

proc createPipe*(size = 65536, register = true): AsyncPipe =
proc createPipe*(size = 65536, register = true, nonBlockingWrite = true): AsyncPipe =
var fds: array[2, cint]
if posix.pipe(fds) == -1:
raiseOSError(osLastError())
setNonBlocking(fds[0])
setNonBlocking(fds[1])
if nonBlockingWrite:
setNonBlocking(fds[1])

result = AsyncPipe(readPipe: fds[0], writePipe: fds[1])

Expand Down Expand Up @@ -533,4 +534,3 @@ when isMainModule:
let res = waitFor(receiver(o))
doAssert(res.count == testsCount)
doAssert(res.sum == testsCount * (1 + testsCount) div 2)