diff options
Diffstat (limited to 'win/tclWinPipe.c')
-rw-r--r-- | win/tclWinPipe.c | 27 |
1 files changed, 12 insertions, 15 deletions
diff --git a/win/tclWinPipe.c b/win/tclWinPipe.c index 36ae58a..a9eec6d 100644 --- a/win/tclWinPipe.c +++ b/win/tclWinPipe.c @@ -12,8 +12,6 @@ #include "tclWinInt.h" -#include <sys/stat.h> - /* * The following variable is used to tell whether this module has been * initialized. @@ -84,6 +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 */ /* + * TODO: It appears the whole EXTRABYTE machinery is in place to support + * outdated Win 95 systems.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. */ @@ -1051,15 +1055,8 @@ TclpCreateProcess( * sink. */ - if ((TclWinGetPlatformId() == VER_PLATFORM_WIN32_WINDOWS) - && (applType == APPL_DOS)) { - if (CreatePipe(&h, &startInfo.hStdOutput, &secAtts, 0) != FALSE) { - CloseHandle(h); - } - } else { - startInfo.hStdOutput = CreateFileA("NUL:", GENERIC_WRITE, 0, - &secAtts, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); - } + startInfo.hStdOutput = CreateFile(TEXT("NUL:"), GENERIC_WRITE, 0, + &secAtts, OPEN_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL); } else { DuplicateHandle(hProcess, outputHandle, hProcess, &startInfo.hStdOutput, 0, TRUE, DUPLICATE_SAME_ACCESS); @@ -1078,7 +1075,7 @@ TclpCreateProcess( * sink. */ - startInfo.hStdError = CreateFileA("NUL:", GENERIC_WRITE, 0, + startInfo.hStdError = CreateFile(TEXT("NUL:"), GENERIC_WRITE, 0, &secAtts, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL); } else { DuplicateHandle(hProcess, errorHandle, hProcess, &startInfo.hStdError, @@ -1893,7 +1890,7 @@ PipeClose2Proc( SetEvent(pipePtr->stopWriter); if (WaitForSingleObject(pipePtr->writable, 0) == WAIT_TIMEOUT) { - return EAGAIN; + return EWOULDBLOCK; } } else { @@ -2170,7 +2167,7 @@ PipeOutputProc( * the channel is in non-blocking mode. */ - errno = EAGAIN; + errno = EWOULDBLOCK; goto error; } @@ -2721,7 +2718,7 @@ WaitForRead( * is in non-blocking mode. */ - errno = EAGAIN; + errno = EWOULDBLOCK; return -1; } |