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Merge pull request #3285 from nanoant/patch/lib-pure-osproc-spawn-vs-fork-simplify

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osproc: Define and select spawn/fork same way
This commit is contained in:
Dominik Picheta 2015-09-04 20:19:38 +01:00
commit 538fc0467b
1 changed files with 38 additions and 37 deletions
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13
lib/pure/osproc.nim
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@ -614,9 +614,12 @@ elif not defined(useNimRtl):
optionPoStdErrToStdOut: bool
{.deprecated: [TStartProcessData: StartProcessData].}
when not defined(useFork):
const useProcessAuxSpawn = declared(posix_spawn) and not defined(useFork) and
not defined(useClone) and not defined(linux)
when useProcessAuxSpawn:
proc startProcessAuxSpawn(data: StartProcessData): Pid {.
tags: [ExecIOEffect, ReadEnvEffect], gcsafe.}
else:
proc startProcessAuxFork(data: StartProcessData): Pid {.
tags: [ExecIOEffect, ReadEnvEffect], gcsafe.}
{.push stacktrace: off, profiler: off.}
@ -674,9 +677,7 @@ elif not defined(useNimRtl):
data.optionPoStdErrToStdOut = poStdErrToStdOut in options
data.workingDir = workingDir
when declared(posix_spawn) and not defined(useFork) and
not defined(useClone) and not defined(linux):
when useProcessAuxSpawn:
pid = startProcessAuxSpawn(data)
else:
pid = startProcessAuxFork(data)
@ -706,7 +707,7 @@ elif not defined(useNimRtl):
discard close(pStdin[readIdx])
discard close(pStdout[writeIdx])
when not defined(useFork):
when useProcessAuxSpawn:
proc startProcessAuxSpawn(data: StartProcessData): Pid =
var attr: Tposix_spawnattr
var fops: Tposix_spawn_file_actions
@ -752,7 +753,7 @@ elif not defined(useNimRtl):
discard posix_spawnattr_destroy(attr)
chck res
return pid
else:
proc startProcessAuxFork(data: StartProcessData): Pid =
if pipe(data.pErrorPipe) != 0:
raiseOSError(osLastError())