summaryrefslogtreecommitdiffstats
path: root/win/tclWinPipe.c
diff options
context:
space:
mode:
Diffstat (limited to 'win/tclWinPipe.c')
-rw-r--r--win/tclWinPipe.c27
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+ * outdated Win 95 systems.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;
}