summaryrefslogtreecommitdiffstats
path: root/generic/tclIO.h
diff options
context:
space:
mode:
Diffstat (limited to 'generic/tclIO.h')
-rw-r--r--generic/tclIO.h18
1 files changed, 14 insertions, 4 deletions
diff --git a/generic/tclIO.h b/generic/tclIO.h
index 348a9c5..b799375 100644
--- a/generic/tclIO.h
+++ b/generic/tclIO.h
@@ -44,13 +44,13 @@ typedef struct ChannelBuffer {
int bufLength; /* How big is the buffer? */
struct ChannelBuffer *nextPtr;
/* Next buffer in chain. */
- char buf[4]; /* Placeholder for real buffer. The real
- * buffer occuppies this space + bufSize-4
+ char buf[1]; /* Placeholder for real buffer. The real
+ * buffer occuppies this space + bufSize-1
* bytes. This must be the last field in the
* structure. */
} ChannelBuffer;
-#define CHANNELBUFFER_HEADER_SIZE (sizeof(ChannelBuffer) - 4)
+#define CHANNELBUFFER_HEADER_SIZE TclOffset(ChannelBuffer, buf)
/*
* How much extra space to allocate in buffer to hold bytes from previous
@@ -98,7 +98,7 @@ typedef struct Channel {
struct ChannelState *state; /* Split out state information */
ClientData instanceData; /* Instance-specific data provided by creator
* of channel. */
- Tcl_ChannelType *typePtr; /* Pointer to channel type structure. */
+ const Tcl_ChannelType *typePtr; /* Pointer to channel type structure. */
struct Channel *downChanPtr;/* Refers to channel this one was stacked
* upon. This reference is NULL for normal
* channels. See Tcl_StackChannel. */
@@ -279,6 +279,16 @@ typedef struct ChannelState {
* Used by Channel Tcl_Obj type to
* determine if we have to revalidate
* the channel. */
+#define CHANNEL_CLOSEDWRITE (1<<21) /* Channel write side has been closed.
+ * No further Tcl-level write IO on
+ * the channel is allowed. */
+
+/*
+ * The length of time to wait between synthetic timer events. Must be zero or
+ * bad things tend to happen.
+ */
+
+#define SYNTHETIC_EVENT_TIME 0
/*
* Local Variables: