diff options
Diffstat (limited to 'win/tclWinPipe.c')
| -rw-r--r-- | win/tclWinPipe.c | 53 |
1 files changed, 52 insertions, 1 deletions
diff --git a/win/tclWinPipe.c b/win/tclWinPipe.c index b27a762..c24875f 100644 --- a/win/tclWinPipe.c +++ b/win/tclWinPipe.c @@ -9,7 +9,7 @@ * See the file "license.terms" for information on usage and redistribution of * this file, and for a DISCLAIMER OF ALL WARRANTIES. * - * RCS: @(#) $Id: tclWinPipe.c,v 1.65 2007/02/20 23:24:07 nijtmans Exp $ + * RCS: @(#) $Id: tclWinPipe.c,v 1.66 2008/07/21 21:02:20 ferrieux Exp $ */ #include "tclWinInt.h" @@ -1750,6 +1750,57 @@ TclpCreateCommandChannel( /* *---------------------------------------------------------------------- * + * Tcl_CreatePipe -- + * + * System dependent interface to create a pipe for the [chan pipe] + * command. Stolen from TclX. + * + * Parameters: + * o interp - Errors returned in result. + * o rchan, wchan - Returned read and write side. + * o flags - Reserved for future use. + * Results: + * TCL_OK or TCL_ERROR. + * + *---------------------------------------------------------------------- + */ +int +Tcl_CreatePipe ( + Tcl_Interp *interp, + Tcl_Channel *rchan, + Tcl_Channel *wchan, + int flags + ) +{ + HANDLE readHandle, writeHandle; + SECURITY_ATTRIBUTES sec; + + sec.nLength = sizeof(SECURITY_ATTRIBUTES); + sec.lpSecurityDescriptor = NULL; + sec.bInheritHandle = FALSE; + + if (!CreatePipe (&readHandle, &writeHandle, &sec, 0)) { + TclWinConvertError (GetLastError ()); + Tcl_AppendResult (interp, "pipe creation failed: ", + Tcl_PosixError (interp), (char *) NULL); + return TCL_ERROR; + } + + *rchan = Tcl_MakeFileChannel ((ClientData) readHandle, + TCL_READABLE); + Tcl_RegisterChannel (interp, *rchan); + + *wchan = Tcl_MakeFileChannel ((ClientData) writeHandle, + TCL_WRITABLE); + Tcl_RegisterChannel (interp, *wchan); + + return TCL_OK; +} + + +/* + *---------------------------------------------------------------------- + * * TclGetAndDetachPids -- * * Stores a list of the command PIDs for a command channel in the |