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-rw-r--r--generic/tclIO.h36
1 files changed, 4 insertions, 32 deletions
diff --git a/generic/tclIO.h b/generic/tclIO.h
index e84f300..b799375 100644
--- a/generic/tclIO.h
+++ b/generic/tclIO.h
@@ -36,6 +36,7 @@
*/
typedef struct ChannelBuffer {
+ int refCount; /* Current uses count */
int nextAdded; /* The next position into which a character
* will be put in the buffer. */
int nextRemoved; /* Position of next byte to be removed from
@@ -111,6 +112,8 @@ typedef struct Channel {
ChannelBuffer *inQueueHead; /* Points at first buffer in input queue. */
ChannelBuffer *inQueueTail; /* Points at last buffer in input queue. */
+
+ int refCount;
} Channel;
/*
@@ -123,7 +126,7 @@ typedef struct Channel {
*/
typedef struct ChannelState {
- const char *channelName; /* The name of the channel instance in Tcl
+ char *channelName; /* The name of the channel instance in Tcl
* commands. Storage is owned by the generic
* IO code, is dynamically allocated. */
int flags; /* ORed combination of the flags defined
@@ -226,11 +229,6 @@ typedef struct ChannelState {
* flushed after every newline. */
#define CHANNEL_UNBUFFERED (1<<5) /* Output to the channel must always
* be flushed immediately. */
-#define BUFFER_READY (1<<6) /* Current output buffer (the
- * curOutPtr field in the channel
- * structure) should be output as soon
- * as possible even though it may not
- * be full. */
#define BG_FLUSH_SCHEDULED (1<<7) /* A background flush of the queued
* output buffers has been
* scheduled. */
@@ -252,9 +250,6 @@ typedef struct ChannelState {
#define INPUT_SAW_CR (1<<12) /* Channel is in CRLF eol input
* translation mode and the last byte
* seen was a "\r". */
-#define INPUT_NEED_NL (1<<15) /* Saw a '\r' at end of last buffer,
- * and there should be a '\n' at
- * beginning of next buffer. */
#define CHANNEL_DEAD (1<<13) /* The channel has been closed by the
* exit handler (on exit) but not
* deallocated. When any IO operation
@@ -274,29 +269,6 @@ typedef struct ChannelState {
* changes. */
#define CHANNEL_RAW_MODE (1<<16) /* When set, notes that the Raw API is
* being used. */
-#ifdef TCL_IO_TRACK_OS_FOR_DRIVER_WITH_BAD_BLOCKING
-#define CHANNEL_TIMER_FEV (1<<17) /* When set the event we are notified
- * by is a fileevent generated by a
- * timer. We don't know if the driver
- * has more data and should not try to
- * read from it. If the system needs
- * more than is in the buffers out
- * read routines will simulate a short
- * read (0 characters read) */
-#define CHANNEL_HAS_MORE_DATA (1<<18) /* Set by NotifyChannel for a channel
- * if and only if the channel is
- * configured non-blocking, the driver
- * for said channel has no
- * blockmodeproc, and data has arrived
- * for reading at the OS level). A
- * GetInput will pass reading from the
- * driver if the channel is
- * non-blocking, without blockmode
- * proc and the flag has not been set.
- * A read will be performed if the
- * flag is set. This will reset the
- * flag as well. */
-#endif /* TCL_IO_TRACK_OS_FOR_DRIVER_WITH_BAD_BLOCKING */
#define CHANNEL_INCLOSE (1<<19) /* Channel is currently being closed.
* Its structures are still live and