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| author | dgp <dgp@users.sourceforge.net> | 2015-04-29 18:16:36 (GMT) |
|---|---|---|
| committer | dgp <dgp@users.sourceforge.net> | 2015-04-29 18:16:36 (GMT) |
| commit | 3b743160f6f21856fbb789aaccf8a1c25c563d2d (patch) | |
| tree | b40395da2161164ea89e14bd07e59f6b3ef8e672 /generic/tclIO.c | |
| parent | fd9d40cb5bb9f5a0afbb13c1c43cfed8a98fd4f8 (diff) | |
| parent | 09d67aff952d446995a83642313ac2c780b92319 (diff) | |
| download | tcl-3b743160f6f21856fbb789aaccf8a1c25c563d2d.zip tcl-3b743160f6f21856fbb789aaccf8a1c25c563d2d.tar.gz tcl-3b743160f6f21856fbb789aaccf8a1c25c563d2d.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 e46a22a..b97f57a 100644 --- a/generic/tclIO.c +++ b/generic/tclIO.c @@ -2657,6 +2657,8 @@ 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. @@ -2664,7 +2666,8 @@ 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 { |