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| author | Michał Zieliński <michal@zielinscy.org.pl> | 2014-02-27 19:48:53 +0100 |
|---|---|---|
| committer | Michał Zieliński <michal@zielinscy.org.pl> | 2014-02-27 19:52:04 +0100 |
| commit | f4371bfef85e5a1340de803d90ec176291094d0e (patch) | |
| tree | c7be12c14386d62de95d17237fbb61341d784faa /lib | |
| parent | 2b271e7b17a08e27b2fe961e93eebb3089461dbb (diff) | |
| download | Nim-f4371bfef85e5a1340de803d90ec176291094d0e.tar.gz | |
osproc: add warning about using waitForExit without poParentStreams
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/pure/osproc.nim | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/lib/pure/osproc.nim b/lib/pure/osproc.nim index 2a685f3fb..582b3c960 100644 --- a/lib/pure/osproc.nim +++ b/lib/pure/osproc.nim @@ -168,6 +168,9 @@ proc processID*(p: PProcess): int {.rtl, extern: "nosp$1".} = proc waitForExit*(p: PProcess, timeout: int = -1): int {.rtl, extern: "nosp$1", tags: [].} ## waits for the process to finish and returns `p`'s error code. + ## + ## **Warning**: Be careful when using waitForExit for processes created without + ## poParentStreams because they may fill output buffers, causing deadlock. proc peekExitCode*(p: PProcess): int {.tags: [].} ## return -1 if the process is still running. Otherwise the process' exit code |