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-rw-r--r--generic/tkConfig.c121
1 files changed, 33 insertions, 88 deletions
diff --git a/generic/tkConfig.c b/generic/tkConfig.c
index e06d5d5..1cfe1fb 100644
--- a/generic/tkConfig.c
+++ b/generic/tkConfig.c
@@ -31,7 +31,12 @@
* the option tables that have been created for an interpreter.
*/
-#define OPTION_HASH_KEY "TkOptionTable"
+typedef struct ThreadSpecificData {
+ int initialized; /* 0 means table below needs initializing. */
+ Tcl_HashTable hashTable;
+} ThreadSpecificData;
+static Tcl_ThreadDataKey dataKey;
+
/*
* The following two structures are used along with Tk_OptionSpec structures
@@ -100,8 +105,6 @@ typedef struct OptionTable {
* chain. */
int numOptions; /* The number of items in the options array
* below. */
- int refCount2; /* Reference counter for controlling the freeing
- * of the memory occupied by this OptionTable */
Option options[1]; /* Information about the individual options in
* the table. This must be the last field in
* the structure: the actual size of the array
@@ -115,8 +118,6 @@ typedef struct OptionTable {
static int DoObjConfig(Tcl_Interp *interp, char *recordPtr,
Option *optionPtr, Tcl_Obj *valuePtr,
Tk_Window tkwin, Tk_SavedOption *savePtr);
-static void DestroyOptionHashTable(ClientData clientData,
- Tcl_Interp *interp);
static void FreeResources(Option *optionPtr, Tcl_Obj *objPtr,
char *internalPtr, Tk_Window tkwin);
static Tcl_Obj * GetConfigList(char *recordPtr,
@@ -170,30 +171,26 @@ Tk_CreateOptionTable(
/* Static information about the configuration
* options. */
{
- Tcl_HashTable *hashTablePtr;
Tcl_HashEntry *hashEntryPtr;
int newEntry;
OptionTable *tablePtr;
const Tk_OptionSpec *specPtr, *specPtr2;
Option *optionPtr;
int numOptions, i;
+ ThreadSpecificData *tsdPtr =
+ Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
/*
- * We use an AssocData value in the interpreter to keep a hash table of
- * all the option tables we've created for this application. This is used
- * for two purposes. First, it allows us to share the tables (e.g. in
- * several chains) and second, we use the deletion callback for the
- * AssocData to delete all the option tables when the interpreter is
- * deleted. The code below finds the hash table or creates a new one if it
+ * We use an TSD in the thread to keep a hash table of
+ * all the option tables we've created for this application. This is
+ * used for allowing us to share the tables (e.g. in several chains).
+ * The code below finds the hash table or creates a new one if it
* doesn't already exist.
*/
- hashTablePtr = Tcl_GetAssocData(interp, OPTION_HASH_KEY, NULL);
- if (hashTablePtr == NULL) {
- hashTablePtr = ckalloc(sizeof(Tcl_HashTable));
- Tcl_InitHashTable(hashTablePtr, TCL_ONE_WORD_KEYS);
- Tcl_SetAssocData(interp, OPTION_HASH_KEY, DestroyOptionHashTable,
- hashTablePtr);
+ if (!tsdPtr->initialized) {
+ Tcl_InitHashTable(&tsdPtr->hashTable, TCL_ONE_WORD_KEYS);
+ tsdPtr->initialized = 1;
}
/*
@@ -201,7 +198,7 @@ Tk_CreateOptionTable(
* reuse the existing table.
*/
- hashEntryPtr = Tcl_CreateHashEntry(hashTablePtr, (char *) templatePtr,
+ hashEntryPtr = Tcl_CreateHashEntry(&tsdPtr->hashTable, (char *) templatePtr,
&newEntry);
if (!newEntry) {
tablePtr = Tcl_GetHashValue(hashEntryPtr);
@@ -220,7 +217,6 @@ Tk_CreateOptionTable(
}
tablePtr = ckalloc(sizeof(OptionTable) + (numOptions * sizeof(Option)));
tablePtr->refCount = 1;
- tablePtr->refCount2 = 1;
tablePtr->hashEntryPtr = hashEntryPtr;
tablePtr->nextPtr = NULL;
tablePtr->numOptions = numOptions;
@@ -334,9 +330,16 @@ Tk_DeleteOptionTable(
OptionTable *tablePtr = (OptionTable *) optionTable;
Option *optionPtr;
int count;
+ ThreadSpecificData *tsdPtr =
+ Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
- tablePtr->refCount--;
- if (tablePtr->refCount > 0) {
+ if (tablePtr->refCount > 1) {
+ tablePtr->refCount--;
+ return;
+ }
+
+ if (!tsdPtr->initialized || !Tcl_FindHashEntry(&tsdPtr->hashTable,
+ tablePtr->hashEntryPtr)) {
return;
}
@@ -356,62 +359,7 @@ Tk_DeleteOptionTable(
}
}
Tcl_DeleteHashEntry(tablePtr->hashEntryPtr);
- tablePtr->refCount2--;
- if (tablePtr->refCount2 <= 0) {
- ckfree(tablePtr);
- }
-}
-
-/*
- *----------------------------------------------------------------------
- *
- * DestroyOptionHashTable --
- *
- * This function is the deletion callback associated with the AssocData
- * entry created by Tk_CreateOptionTable. It is invoked when an
- * interpreter is deleted, and deletes all of the option tables
- * associated with that interpreter.
- *
- * Results:
- * None.
- *
- * Side effects:
- * The option hash table is destroyed along with all of the OptionTable
- * structures that it refers to.
- *
- *----------------------------------------------------------------------
- */
-
-static void
-DestroyOptionHashTable(
- ClientData clientData, /* The hash table we are destroying */
- Tcl_Interp *interp) /* The interpreter we are destroying */
-{
- Tcl_HashTable *hashTablePtr = clientData;
- Tcl_HashSearch search;
- Tcl_HashEntry *hashEntryPtr;
-
- for (hashEntryPtr = Tcl_FirstHashEntry(hashTablePtr, &search);
- hashEntryPtr != NULL;
- hashEntryPtr = Tcl_NextHashEntry(&search)) {
- OptionTable *tablePtr = Tcl_GetHashValue(hashEntryPtr);
-
- /*
- * The following statements do two tricky things:
- * 1. They ensure that the option table is deleted, even if there are
- * outstanding references to it.
- * 2. They ensure that Tk_DeleteOptionTable doesn't delete other
- * tables chained from this one; we'll do it when we come across
- * the hash table entry for the chained table (in fact, the chained
- * table may already have been deleted).
- */
-
- tablePtr->refCount = 1;
- tablePtr->nextPtr = NULL;
- Tk_DeleteOptionTable((Tk_OptionTable) tablePtr);
- }
- Tcl_DeleteHashTable(hashTablePtr);
- ckfree(hashTablePtr);
+ ckfree(tablePtr);
}
/*
@@ -1151,7 +1099,7 @@ GetOptionFromObj(
objPtr->internalRep.twoPtrValue.ptr1 = (void *) tablePtr;
objPtr->internalRep.twoPtrValue.ptr2 = (void *) bestPtr;
objPtr->typePtr = &optionObjType;
- tablePtr->refCount2++;
+ tablePtr->refCount++;
return bestPtr;
error:
@@ -1224,12 +1172,9 @@ static void
FreeOptionInternalRep(
register Tcl_Obj *objPtr) /* Object whose internal rep to free. */
{
- register OptionTable *tablePtr = (OptionTable *) objPtr->internalRep.twoPtrValue.ptr1;
+ register Tk_OptionTable tablePtr = (Tk_OptionTable) objPtr->internalRep.twoPtrValue.ptr1;
- tablePtr->refCount2--;
- if (tablePtr->refCount2 <= 0) {
- ckfree(tablePtr);
- }
+ Tk_DeleteOptionTable(tablePtr);
objPtr->typePtr = NULL;
objPtr->internalRep.twoPtrValue.ptr1 = NULL;
objPtr->internalRep.twoPtrValue.ptr2 = NULL;
@@ -2113,14 +2058,14 @@ TkDebugConfig(
* interpreter anymore. */
{
OptionTable *tablePtr = (OptionTable *) table;
- Tcl_HashTable *hashTablePtr;
Tcl_HashEntry *hashEntryPtr;
Tcl_HashSearch search;
Tcl_Obj *objPtr;
+ ThreadSpecificData *tsdPtr =
+ Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
objPtr = Tcl_NewObj();
- hashTablePtr = Tcl_GetAssocData(interp, OPTION_HASH_KEY, NULL);
- if (hashTablePtr == NULL) {
+ if (!tablePtr || !tsdPtr->initialized) {
return objPtr;
}
@@ -2129,7 +2074,7 @@ TkDebugConfig(
* want still is valid.
*/
- for (hashEntryPtr = Tcl_FirstHashEntry(hashTablePtr, &search);
+ for (hashEntryPtr = Tcl_FirstHashEntry(&tsdPtr->hashTable, &search);
hashEntryPtr != NULL;
hashEntryPtr = Tcl_NextHashEntry(&search)) {
if (tablePtr == (OptionTable *) Tcl_GetHashValue(hashEntryPtr)) {
generated by cgit v0.12 at 2024-10-30 13:38:19 (GMT)