diff options
Diffstat (limited to 'win/tclWinPipe.c')
| -rw-r--r-- | win/tclWinPipe.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/win/tclWinPipe.c b/win/tclWinPipe.c index 13caba9..a9eec6d 100644 --- a/win/tclWinPipe.c +++ b/win/tclWinPipe.c @@ -82,6 +82,12 @@ static ProcInfo *procList; #define PIPE_EXTRABYTE (1<<3) /* The reader thread has consumed one byte. */ /* + * TODO: It appears the whole EXTRABYTE machinery is in place to support + * outdated Win 95 systems. If this can be confirmed, much code can be + * deleted. + */ + +/* * This structure describes per-instance data for a pipe based channel. */ @@ -1884,7 +1890,7 @@ PipeClose2Proc( SetEvent(pipePtr->stopWriter); if (WaitForSingleObject(pipePtr->writable, 0) == WAIT_TIMEOUT) { - return EAGAIN; + return EWOULDBLOCK; } } else { @@ -2161,7 +2167,7 @@ PipeOutputProc( * the channel is in non-blocking mode. */ - errno = EAGAIN; + errno = EWOULDBLOCK; goto error; } @@ -2712,7 +2718,7 @@ WaitForRead( * is in non-blocking mode. */ - errno = EAGAIN; + errno = EWOULDBLOCK; return -1; } |