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author | dgp <dgp@users.sourceforge.net> | 2015-04-29 18:00:15 (GMT) |
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committer | dgp <dgp@users.sourceforge.net> | 2015-04-29 18:00:15 (GMT) |
commit | ade6c2a049cda62730309d282fdf9c65a5daf1c4 (patch) | |
tree | 8359ded3f39de0ece97df1b7228183b607b06390 /generic/tclIO.c | |
parent | e9fd85d5d7cf2ac760a9d177e2d688172cbf9111 (diff) | |
parent | 08228c10689feab82a52980341ed6076e9b3abdc (diff) | |
download | tcl-ade6c2a049cda62730309d282fdf9c65a5daf1c4.zip tcl-ade6c2a049cda62730309d282fdf9c65a5daf1c4.tar.gz tcl-ade6c2a049cda62730309d282fdf9c65a5daf1c4.tar.bz2 |
[894da183c8] Test and fix for regression in flushing blocked channels.
Diffstat (limited to 'generic/tclIO.c')
-rw-r--r-- | generic/tclIO.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/generic/tclIO.c b/generic/tclIO.c index 2a20889..1b0d0ab 100644 --- a/generic/tclIO.c +++ b/generic/tclIO.c @@ -2556,6 +2556,8 @@ FlushChannel( * the post-condition that on a successful return to caller we've * left space in the current output buffer for more writing (the flush * call was to make new room). + * If the channel is blocking, then yes, so we guarantee that + * blocking flushes actually flush all pending data. * Otherwise, no. Keep the current output buffer where it is so more * can be written to it, possibly filling it, to promote more efficient * buffer usage. @@ -2563,7 +2565,8 @@ FlushChannel( bufPtr = statePtr->curOutPtr; if (bufPtr && BytesLeft(bufPtr) && /* Keep empties off queue */ - (statePtr->outQueueHead == NULL || IsBufferFull(bufPtr))) { + (statePtr->outQueueHead == NULL || IsBufferFull(bufPtr) + || !GotFlag(statePtr, CHANNEL_NONBLOCKING))) { if (statePtr->outQueueHead == NULL) { statePtr->outQueueHead = bufPtr; } else { |