4  *	Common channel driver for Unix channels based on files, command
21  * This structure describes per-instance state of a file based channel.
30  * This structure describes per-instance state of a pipe based channel.
46  * This structure describes per-instance state of a tcp based channel.
175  * This structure describes the channel type structure for file based IO:
189     FileGetProc,			/* Get Tcl_Files out of channel. */
193  * This structure describes the channel type structure for command pipe
208     PipeGetProc,			/* Get Tcl_Files out of channel. */
212  * This structure describes the channel type structure for TCP socket
227     TcpGetProc,				/* Get Tcl_Files out of channel. */
237  *	file based channel. Invoked by generic IO level code.
323  *	input from a file based channel.
330  *	Reads input from the input device of the channel.
354      * possible, if the channel is in blocking mode. If the channel is
373  *	output to a file channel.
381  *	Writes output on the output device of the channel.
414  *	channel-type-specific cleanup when a file based channel is closed.
420  *	Closes the device of the channel.
473  *	access point in a file based channel.
481  *	Moves the location at which the channel will be accessed in
524  *	Initialize the notifier to watch Tcl_Files from this channel.
530  *	Sets up the notifier so that a future event on the channel will
569  *	present on the channel.
615  *	a file based channel.
674      * Punt if the channel is not a command channel.
702  *	pipe based channel. Invoked by generic IO level code.
788  *	channel-type-specific cleanup when a command pipeline channel
795  *	Closes the command pipeline channel.
835          * If the channel is non-blocking or Tcl is being cleaned up, just
849          * Wrap the error file into a channel and give it to the cleanup
884  *	input from a command pipeline based channel.
891  *	Reads input from the input device of the channel.
915      * possible, if the channel is in blocking mode. If the channel is
934  *	output to a command pipeline based channel.
942  *	Writes output on the output device of the channel.
974  *	Initialize the notifier to watch Tcl_Files from this channel.
980  *	Sets up the notifier so that a future event on the channel will
1019  *	present on the channel.
1065  *	a command pipeline based channel.
1098  *	Open an file based channel on Unix systems.
1101  *	The new channel or NULL. If NULL, the output argument
1106  *	May open the channel and may cause creation of a file on the
1198      * The channel may not be open now, for example if we tried to
1204             Tcl_AppendResult(interp, "couldn't create channel \"",
1276      * Look to see if a channel with those two Tcl_Files already exists.
1286      * If one of the Tcl_Files is used in another channel, do not
1287      * create a new channel containing it; this avoids core dumps
1309  *	the platform specific channel initialization for a command
1310  *	channel.
1313  *	Returns a new channel or NULL on failure.
1316  *	Allocates a new channel.
1330                                  * the channel is closed or the processes
1333     Tcl_Channel channel;
1355      * Use one of the fds associated with the channel as the
1356      * channel id.
1376     channel = Tcl_CreateChannel(&pipeChannelType, channelName,
1379     if (channel == NULL) {
1387     return channel;
1416     Tcl_Channel chan;			/* The channel to get pids for. */
1417     Tcl_ChannelType *chanTypePtr;	/* The type of that channel. */
1457  *	and nonblocking mode on a TCP socket based channel.
1590  *	from a TCP socket based channel.
1593  *	we must use recv to obtain the input from the channel, not read.
1601  *	Reads input from the input device of the channel.
1651  *	to a TCP socket based channel.
1661  *	Writes output on the output device of the channel.
1700  *	channel-type-specific cleanup when a TCP socket based channel
1707  *	Closes the socket of the channel.
1731      * Channel handlers are already deleted in the generic IO channel
1760  *	Computes an option value for a TCP socket based channel, or a
1867  *	Initialize the notifier to watch Tcl_Files from this channel.
1873  *	Sets up the notifier so that a future event on the channel will
1898  *	present on the channel.
1929  *	a TCP socket based channel.
2185  *	Opens a TCP client socket and creates a channel around it.
2188  *	The channel or NULL if failed.  An error message is returned
2192  *	Opens a client socket and creates a new channel.
2213      * Create a new client socket and wrap it in a channel.
2256     ClientData sock;		/* The socket to wrap up into a channel. */
2287  *	Opens a TCP server socket and creates a channel around it.
2290  *	The channel or NULL if failed. If an error occurred, an
2295  *	Opens a server socket and creates a new channel.
2315      * Create a new client socket and wrap it in a channel.
2428  *	Returns the specified default standard channel, or NULL.
2431  *	May cause the creation of a standard channel and the underlying
2441     Tcl_Channel channel = NULL;
2475 	    panic("TclGetDefaultStdChannel: Unexpected channel type");
2479     channel = Tcl_MakeFileChannel((ClientData) fd, (ClientData) fd, mode);
2482      * Set up the normal channel options for stdio handles.
2485     if (Tcl_SetChannelOption(NULL, channel, "-translation", "auto") ==
2487         Tcl_Close((Tcl_Interp *) NULL, channel);
2490     if (Tcl_SetChannelOption(NULL, channel, "-buffering", bufMode) ==
2492         Tcl_Close((Tcl_Interp *) NULL, channel);
2495     return channel;
2507  *	with the command channel.
2533  *	Given a name of a channel registered in the given interpreter,
2537  *	A standard Tcl result. If the channel is registered in the given
2538  *	interpreter and it is managed by the "file" channel driver, and
2559                                  * check that the channel is open for the
2586      * based channels. We currently do not allow any other channel types,

Indexes created Tue Jul 24 14:28:13 CEST 2018