static void
ConsoleInit(void)
{
ThreadSpecificData *tsdPtr;
/*
* Check the initialized flag first, then check again in the mutex. This
* is a speed enhancement.
*/
if (!initialized) {
Tcl_MutexLock(&consoleMutex);
if (!initialized) {
initialized = 1;
Tcl_CreateExitHandler(ProcExitHandler, NULL);
}
Tcl_MutexUnlock(&consoleMutex);
}
tsdPtr = (ThreadSpecificData *)TclThreadDataKeyGet(&dataKey);
if (tsdPtr == NULL) {
tsdPtr = TCL_TSD_INIT(&dataKey);
tsdPtr->firstConsolePtr = NULL;
Tcl_CreateEventSource(ConsoleSetupProc, ConsoleCheckProc, NULL);
Tcl_CreateThreadExitHandler(ConsoleExitHandler, NULL);
}
}
ObjToRepMap::ObjToRepMap ()
{
Tcl_InitHashTable(&m_objMap, TCL_ONE_WORD_KEYS);
#ifdef TCL_THREADS
Tcl_CreateThreadExitHandler(exitProc, this);
#else
Tcl_CreateExitHandler(exitProc, 0);
#endif
}
static int
ThreadEventProc(
Tcl_Event *evPtr, /* Really ThreadEvent */
int mask)
{
ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
ThreadEvent *threadEventPtr = (ThreadEvent *)evPtr;
ThreadEventResult *resultPtr = threadEventPtr->resultPtr;
Tcl_Interp *interp = tsdPtr->interp;
int code;
const char *result, *errorCode, *errorInfo;
if (interp == NULL) {
code = TCL_ERROR;
result = "no target interp!";
errorCode = "THREAD";
errorInfo = "";
} else {
Tcl_Preserve((ClientData) interp);
Tcl_ResetResult(interp);
Tcl_CreateThreadExitHandler(ThreadFreeProc,
(ClientData) threadEventPtr->script);
code = Tcl_GlobalEval(interp, threadEventPtr->script);
Tcl_DeleteThreadExitHandler(ThreadFreeProc,
(ClientData) threadEventPtr->script);
if (code != TCL_OK) {
errorCode = Tcl_GetVar(interp, "errorCode", TCL_GLOBAL_ONLY);
errorInfo = Tcl_GetVar(interp, "errorInfo", TCL_GLOBAL_ONLY);
} else {
errorCode = errorInfo = NULL;
}
result = Tcl_GetStringResult(interp);
}
ckfree(threadEventPtr->script);
if (resultPtr) {
Tcl_MutexLock(&threadMutex);
resultPtr->code = code;
resultPtr->result = ckalloc(strlen(result) + 1);
strcpy(resultPtr->result, result);
if (errorCode != NULL) {
resultPtr->errorCode = ckalloc(strlen(errorCode) + 1);
strcpy(resultPtr->errorCode, errorCode);
}
if (errorInfo != NULL) {
resultPtr->errorInfo = ckalloc(strlen(errorInfo) + 1);
strcpy(resultPtr->errorInfo, errorInfo);
}
Tcl_ConditionNotify(&resultPtr->done);
Tcl_MutexUnlock(&threadMutex);
}
if (interp != NULL) {
Tcl_Release((ClientData) interp);
}
return 1;
}
static ThreadSpecificData *
InitTimer(void)
{
ThreadSpecificData *tsdPtr = TclThreadDataKeyGet(&dataKey);
if (tsdPtr == NULL) {
tsdPtr = TCL_TSD_INIT(&dataKey);
Tcl_CreateEventSource(TimerSetupProc, TimerCheckProc, NULL);
Tcl_CreateThreadExitHandler(TimerExitProc, NULL);
}
return tsdPtr;
}
static void
OptionInit(
register TkMainInfo *mainPtr)
/* Top-level information about window that
* isn't initialized yet. */
{
int i;
Tcl_Interp *interp;
ThreadSpecificData *tsdPtr =
Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
Element *defaultMatchPtr = &tsdPtr->defaultMatch;
/*
* First, once-only initialization.
*/
if (tsdPtr->initialized == 0) {
tsdPtr->initialized = 1;
tsdPtr->cachedWindow = NULL;
tsdPtr->numLevels = 5;
tsdPtr->curLevel = -1;
tsdPtr->serial = 0;
tsdPtr->levels = (StackLevel *)
ckalloc((unsigned) (5*sizeof(StackLevel)));
for (i = 0; i < NUM_STACKS; i++) {
tsdPtr->stacks[i] = NewArray(10);
tsdPtr->levels[0].bases[i] = 0;
}
defaultMatchPtr->nameUid = NULL;
defaultMatchPtr->child.valueUid = NULL;
defaultMatchPtr->priority = -1;
defaultMatchPtr->flags = 0;
Tcl_CreateThreadExitHandler(OptionThreadExitProc, NULL);
}
/*
* Then, per-main-window initialization. Create and delete dummy
* interpreter for message logging.
*/
mainPtr->optionRootPtr = NewArray(20);
interp = Tcl_CreateInterp();
GetDefaultOptions(interp, mainPtr->winPtr);
Tcl_DeleteInterp(interp);
}
Tk_Uid
Tk_GetUid(
const char *string) /* String to convert. */
{
int dummy;
ThreadSpecificData *tsdPtr =
Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
Tcl_HashTable *tablePtr = &tsdPtr->uidTable;
if (!tsdPtr->initialized) {
Tcl_InitHashTable(tablePtr, TCL_STRING_KEYS);
Tcl_CreateThreadExitHandler(FreeUidThreadExitProc, NULL);
tsdPtr->initialized = 1;
}
return (Tk_Uid) Tcl_GetHashKey(tablePtr,
Tcl_CreateHashEntry(tablePtr, string, &dummy));
}
void
Tk_CreateImageType(
Tk_ImageType *typePtr) /* Structure describing the type. All of the
* fields except "nextPtr" must be filled in
* by caller. */
{
Tk_ImageType *copyPtr;
ThreadSpecificData *tsdPtr =
Tcl_GetThreadData(&dataKey, sizeof(ThreadSpecificData));
if (!tsdPtr->initialized) {
tsdPtr->initialized = 1;
Tcl_CreateThreadExitHandler(ImageTypeThreadExitProc, NULL);
}
copyPtr = (Tk_ImageType *) ckalloc(sizeof(Tk_ImageType));
*copyPtr = *typePtr;
copyPtr->nextPtr = tsdPtr->imageTypeList;
tsdPtr->imageTypeList = copyPtr;
}
void surfit_init_all() {
functionals = new std::vector<functional *>;
randomize();
reproject_faults = 1;
reproject_undef_areas = 0;
process_isolated_areas = 1;
tol = float(1e-5);
undef_value = FLT_MAX;
write_mat = false;
sor_omega = REAL(1.6);
ssor_omega = REAL(1.6);
surfit_data_manager = new data_manager;
add_manager(new surfit_manager);
Tcl_CreateThreadExitHandler(data_cleanup, NULL);
#ifdef HAVE_THREADS
#ifdef WIN32
SYSTEM_INFO info;
GetSystemInfo(&info);
size_t cpu = info.dwNumberOfProcessors;
#else
#ifdef _SC_NPROCESSORS_ONLN
cpu = sysconf(_SC_NPROCESSORS_ONLN);
#else
cpu = 1;
#endif
if (cpu < 1)
cpu = 1;
#endif
sstuff_init_threads(cpu);
#endif
};
int
Tk_CreateConsoleWindow(
Tcl_Interp *interp) /* Interpreter to use for prompting. */
{
Tcl_Channel chan;
ConsoleInfo *info;
Tk_Window mainWindow;
Tcl_Command token;
int result = TCL_OK;
int haveConsoleChannel = 1;
/* Init an interp with Tcl and Tk */
Tcl_Interp *consoleInterp = Tcl_CreateInterp();
if (Tcl_Init(consoleInterp) != TCL_OK) {
goto error;
}
if (Tk_Init(consoleInterp) != TCL_OK) {
goto error;
}
/*
* Fetch the instance data from whatever std channel is a
* console channel. If none, create fresh instance data.
*/
if (Tcl_GetChannelType(chan = Tcl_GetStdChannel(TCL_STDIN))
== &consoleChannelType) {
} else if (Tcl_GetChannelType(chan = Tcl_GetStdChannel(TCL_STDOUT))
== &consoleChannelType) {
} else if (Tcl_GetChannelType(chan = Tcl_GetStdChannel(TCL_STDERR))
== &consoleChannelType) {
} else {
haveConsoleChannel = 0;
}
if (haveConsoleChannel) {
ChannelData *data = (ChannelData *) Tcl_GetChannelInstanceData(chan);
info = data->info;
if (info->consoleInterp) {
/* New ConsoleInfo for a new console window */
info = (ConsoleInfo *) ckalloc(sizeof(ConsoleInfo));
info->refCount = 0;
/* Update any console channels to make use of the new console */
if (Tcl_GetChannelType(chan = Tcl_GetStdChannel(TCL_STDIN))
== &consoleChannelType) {
data = (ChannelData *) Tcl_GetChannelInstanceData(chan);
data->info->refCount--;
data->info = info;
data->info->refCount++;
}
if (Tcl_GetChannelType(chan = Tcl_GetStdChannel(TCL_STDOUT))
== &consoleChannelType) {
data = (ChannelData *) Tcl_GetChannelInstanceData(chan);
data->info->refCount--;
data->info = info;
data->info->refCount++;
}
if (Tcl_GetChannelType(chan = Tcl_GetStdChannel(TCL_STDERR))
== &consoleChannelType) {
data = (ChannelData *) Tcl_GetChannelInstanceData(chan);
data->info->refCount--;
data->info = info;
data->info->refCount++;
}
}
} else {
info = (ConsoleInfo *) ckalloc(sizeof(ConsoleInfo));
info->refCount = 0;
}
info->consoleInterp = consoleInterp;
info->interp = interp;
Tcl_CallWhenDeleted(consoleInterp, InterpDeleteProc, info);
info->refCount++;
Tcl_CreateThreadExitHandler(DeleteConsoleInterp, consoleInterp);
/*
* Add console commands to the interp
*/
token = Tcl_CreateObjCommand(interp, "console", ConsoleObjCmd, info,
ConsoleDeleteProc);
info->refCount++;
/*
* We don't have to count the ref held by the [consoleinterp] command
* in the consoleInterp. The ref held by the consoleInterp delete
* handler takes care of us.
*/
Tcl_CreateObjCommand(consoleInterp, "consoleinterp", InterpreterObjCmd,
info, NULL);
mainWindow = Tk_MainWindow(interp);
if (mainWindow) {
Tk_CreateEventHandler(mainWindow, StructureNotifyMask,
ConsoleEventProc, info);
info->refCount++;
}
Tcl_Preserve(consoleInterp);
result = Tcl_GlobalEval(consoleInterp, "source $tk_library/console.tcl");
if (result == TCL_ERROR) {
Tcl_SetReturnOptions(interp,
Tcl_GetReturnOptions(consoleInterp, result));
Tcl_SetObjResult(interp, Tcl_GetObjResult(consoleInterp));
}
Tcl_Release(consoleInterp);
if (result == TCL_ERROR) {
Tcl_DeleteCommandFromToken(interp, token);
mainWindow = Tk_MainWindow(interp);
if (mainWindow) {
Tk_DeleteEventHandler(mainWindow, StructureNotifyMask,
ConsoleEventProc, info);
if (--info->refCount <= 0) {
ckfree((char *) info);
}
}
goto error;
}
return TCL_OK;
error:
Tcl_AddErrorInfo(interp, "\n (creating console window)");
if (!Tcl_InterpDeleted(consoleInterp)) {
Tcl_DeleteInterp(consoleInterp);
}
return TCL_ERROR;
}
void
Tcl_ConditionWait(
Tcl_Condition *condPtr, /* Really (WinCondition **) */
Tcl_Mutex *mutexPtr, /* Really (CRITICAL_SECTION **) */
const Tcl_Time *timePtr) /* Timeout on waiting period */
{
WinCondition *winCondPtr; /* Per-condition queue head */
CRITICAL_SECTION *csPtr; /* Caller's Mutex, after casting */
DWORD wtime; /* Windows time value */
int timeout; /* True if we got a timeout */
int doExit = 0; /* True if we need to do exit setup */
ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
/*
* Self initialize the two parts of the condition. The per-condition and
* per-thread parts need to be handled independently.
*/
if (tsdPtr->flags == WIN_THREAD_UNINIT) {
TclpMasterLock();
/*
* Create the per-thread event and queue pointers.
*/
if (tsdPtr->flags == WIN_THREAD_UNINIT) {
tsdPtr->condEvent = CreateEvent(NULL, TRUE /* manual reset */,
FALSE /* non signaled */, NULL);
tsdPtr->nextPtr = NULL;
tsdPtr->prevPtr = NULL;
tsdPtr->flags = WIN_THREAD_RUNNING;
doExit = 1;
}
TclpMasterUnlock();
if (doExit) {
/*
* Create a per-thread exit handler to clean up the condEvent. We
* must be careful to do this outside the Master Lock because
* Tcl_CreateThreadExitHandler uses its own ThreadSpecificData,
* and initializing that may drop back into the Master Lock.
*/
Tcl_CreateThreadExitHandler(FinalizeConditionEvent, tsdPtr);
}
}
if (*condPtr == NULL) {
TclpMasterLock();
/*
* Initialize the per-condition queue pointers and Mutex.
*/
if (*condPtr == NULL) {
winCondPtr = ckalloc(sizeof(WinCondition));
InitializeCriticalSection(&winCondPtr->condLock);
winCondPtr->firstPtr = NULL;
winCondPtr->lastPtr = NULL;
*condPtr = (Tcl_Condition) winCondPtr;
TclRememberCondition(condPtr);
}
TclpMasterUnlock();
}
csPtr = *((CRITICAL_SECTION **)mutexPtr);
winCondPtr = *((WinCondition **)condPtr);
if (timePtr == NULL) {
wtime = INFINITE;
} else {
wtime = timePtr->sec * 1000 + timePtr->usec / 1000;
}
/*
* Queue the thread on the condition, using the per-condition lock for
* serialization.
*/
tsdPtr->flags = WIN_THREAD_BLOCKED;
tsdPtr->nextPtr = NULL;
EnterCriticalSection(&winCondPtr->condLock);
tsdPtr->prevPtr = winCondPtr->lastPtr; /* A: */
winCondPtr->lastPtr = tsdPtr;
if (tsdPtr->prevPtr != NULL) {
tsdPtr->prevPtr->nextPtr = tsdPtr;
}
if (winCondPtr->firstPtr == NULL) {
winCondPtr->firstPtr = tsdPtr;
}
/*
* Unlock the caller's mutex and wait for the condition, or a timeout.
* There is a minor issue here in that we don't count down the timeout if
* we get notified, but another thread grabs the condition before we do.
* In that race condition we'll wait again for the full timeout. Timed
* waits are dubious anyway. Either you have the locking protocol wrong
* and are masking a deadlock, or you are using conditions to pause your
* thread.
*/
LeaveCriticalSection(csPtr);
timeout = 0;
while (!timeout && (tsdPtr->flags & WIN_THREAD_BLOCKED)) {
ResetEvent(tsdPtr->condEvent);
LeaveCriticalSection(&winCondPtr->condLock);
if (WaitForSingleObjectEx(tsdPtr->condEvent, wtime,
TRUE) == WAIT_TIMEOUT) {
timeout = 1;
}
EnterCriticalSection(&winCondPtr->condLock);
}
/*
* Be careful on timeouts because the signal might arrive right around the
* time limit and someone else could have taken us off the queue.
*/
if (timeout) {
if (tsdPtr->flags & WIN_THREAD_RUNNING) {
timeout = 0;
} else {
/*
* When dequeuing, we can leave the tsdPtr->nextPtr and
* tsdPtr->prevPtr with dangling pointers because they are
* reinitialilzed w/out reading them when the thread is enqueued
* later.
*/
if (winCondPtr->firstPtr == tsdPtr) {
winCondPtr->firstPtr = tsdPtr->nextPtr;
} else {
tsdPtr->prevPtr->nextPtr = tsdPtr->nextPtr;
}
if (winCondPtr->lastPtr == tsdPtr) {
winCondPtr->lastPtr = tsdPtr->prevPtr;
} else {
tsdPtr->nextPtr->prevPtr = tsdPtr->prevPtr;
}
tsdPtr->flags = WIN_THREAD_RUNNING;
}
}
LeaveCriticalSection(&winCondPtr->condLock);
EnterCriticalSection(csPtr);
}
/* ARGSUSED */
int
Tcl_PutsObjCmd(
ClientData dummy, /* Not used. */
Tcl_Interp *interp, /* Current interpreter. */
int objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument objects. */
{
Tcl_Channel chan; /* The channel to puts on. */
Tcl_Obj *string; /* String to write. */
Tcl_Obj *chanObjPtr = NULL; /* channel object. */
int newline; /* Add a newline at end? */
int result; /* Result of puts operation. */
int mode; /* Mode in which channel is opened. */
ThreadSpecificData *tsdPtr;
switch (objc) {
case 2: /* [puts $x] */
string = objv[1];
newline = 1;
break;
case 3: /* [puts -nonewline $x] or [puts $chan $x] */
if (strcmp(TclGetString(objv[1]), "-nonewline") == 0) {
newline = 0;
} else {
newline = 1;
chanObjPtr = objv[1];
}
string = objv[2];
break;
case 4: /* [puts -nonewline $chan $x] or [puts $chan $x nonewline] */
if (strcmp(TclGetString(objv[1]), "-nonewline") == 0) {
chanObjPtr = objv[2];
string = objv[3];
} else {
/*
* The code below provides backwards compatibility with an old
* form of the command that is no longer recommended or
* documented.
*/
char *arg;
int length;
arg = TclGetStringFromObj(objv[3], &length);
if ((length != 9)
|| (strncmp(arg, "nonewline", (size_t) length) != 0)) {
Tcl_AppendResult(interp, "bad argument \"", arg,
"\": should be \"nonewline\"", NULL);
return TCL_ERROR;
}
chanObjPtr = objv[1];
string = objv[2];
}
newline = 0;
break;
default:
/* [puts] or [puts some bad number of arguments...] */
Tcl_WrongNumArgs(interp, 1, objv, "?-nonewline? ?channelId? string");
return TCL_ERROR;
}
if (chanObjPtr == NULL) {
tsdPtr = TCL_TSD_INIT(&dataKey);
if (!tsdPtr->initialized) {
tsdPtr->initialized = 1;
TclNewLiteralStringObj(tsdPtr->stdoutObjPtr, "stdout");
Tcl_IncrRefCount(tsdPtr->stdoutObjPtr);
Tcl_CreateThreadExitHandler(FinalizeIOCmdTSD, NULL);
}
chanObjPtr = tsdPtr->stdoutObjPtr;
}
if (TclGetChannelFromObj(interp, chanObjPtr, &chan, &mode, 0) != TCL_OK) {
return TCL_ERROR;
}
if ((mode & TCL_WRITABLE) == 0) {
Tcl_AppendResult(interp, "channel \"", TclGetString(chanObjPtr),
"\" wasn't opened for writing", NULL);
return TCL_ERROR;
}
result = Tcl_WriteObj(chan, string);
if (result < 0) {
goto error;
}
if (newline != 0) {
result = Tcl_WriteChars(chan, "\n", 1);
if (result < 0) {
goto error;
}
}
return TCL_OK;
/*
* TIP #219.
* Capture error messages put by the driver into the bypass area and put
* them into the regular interpreter result. Fall back to the regular
* message if nothing was found in the bypass.
*/
error:
if (!TclChanCaughtErrorBypass(interp, chan)) {
Tcl_AppendResult(interp, "error writing \"",
TclGetString(chanObjPtr), "\": ",
Tcl_PosixError(interp), NULL);
}
return TCL_ERROR;
}
Tcl_ThreadCreateType
NewTestThread(
ClientData clientData)
{
ThreadCtrl *ctrlPtr = (ThreadCtrl*)clientData;
ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
int result;
char *threadEvalScript;
/*
* Initialize the interpreter. This should be more general.
*/
tsdPtr->interp = Tcl_CreateInterp();
result = Tcl_Init(tsdPtr->interp);
result = TclThread_Init(tsdPtr->interp);
/*
* This is part of the test facility. Initialize _ALL_ test commands for
* use by the new thread.
*/
result = Tcltest_Init(tsdPtr->interp);
/*
* Update the list of threads.
*/
Tcl_MutexLock(&threadMutex);
ListUpdateInner(tsdPtr);
/*
* We need to keep a pointer to the alloc'ed mem of the script we are
* eval'ing, for the case that we exit during evaluation
*/
threadEvalScript = ckalloc(strlen(ctrlPtr->script)+1);
strcpy(threadEvalScript, ctrlPtr->script);
Tcl_CreateThreadExitHandler(ThreadExitProc, (ClientData) threadEvalScript);
/*
* Notify the parent we are alive.
*/
Tcl_ConditionNotify(&ctrlPtr->condWait);
Tcl_MutexUnlock(&threadMutex);
/*
* Run the script.
*/
Tcl_Preserve((ClientData) tsdPtr->interp);
result = Tcl_Eval(tsdPtr->interp, threadEvalScript);
if (result != TCL_OK) {
ThreadErrorProc(tsdPtr->interp);
}
/*
* Clean up.
*/
ListRemove(tsdPtr);
Tcl_Release((ClientData) tsdPtr->interp);
Tcl_DeleteInterp(tsdPtr->interp);
Tcl_ExitThread(result);
TCL_THREAD_CREATE_RETURN;
}
/* ARGSUSED */
int
Tcl_ThreadObjCmd(
ClientData dummy, /* Not used. */
Tcl_Interp *interp, /* Current interpreter. */
int objc, /* Number of arguments. */
Tcl_Obj *const objv[]) /* Argument objects. */
{
ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
int option;
static const char *threadOptions[] = {
"create", "exit", "id", "join", "names",
"send", "wait", "errorproc", NULL
};
enum options {
THREAD_CREATE, THREAD_EXIT, THREAD_ID, THREAD_JOIN, THREAD_NAMES,
THREAD_SEND, THREAD_WAIT, THREAD_ERRORPROC
};
if (objc < 2) {
Tcl_WrongNumArgs(interp, 1, objv, "option ?args?");
return TCL_ERROR;
}
if (Tcl_GetIndexFromObj(interp, objv[1], threadOptions, "option", 0,
&option) != TCL_OK) {
return TCL_ERROR;
}
/*
* Make sure the initial thread is on the list before doing anything.
*/
if (tsdPtr->interp == NULL) {
Tcl_MutexLock(&threadMutex);
tsdPtr->interp = interp;
ListUpdateInner(tsdPtr);
Tcl_CreateThreadExitHandler(ThreadExitProc, NULL);
Tcl_MutexUnlock(&threadMutex);
}
switch ((enum options)option) {
case THREAD_CREATE: {
char *script;
int joinable, len;
if (objc == 2) {
/*
* Neither joinable nor special script
*/
joinable = 0;
script = "testthread wait"; /* Just enter event loop */
} else if (objc == 3) {
/*
* Possibly -joinable, then no special script, no joinable, then
* its a script.
*/
script = Tcl_GetStringFromObj(objv[2], &len);
if ((len > 1) &&
(script [0] == '-') && (script [1] == 'j') &&
(0 == strncmp (script, "-joinable", (size_t) len))) {
joinable = 1;
script = "testthread wait"; /* Just enter event loop */
} else {
/*
* Remember the script
*/
joinable = 0;
}
} else if (objc == 4) {
/*
* Definitely a script available, but is the flag -joinable?
*/
script = Tcl_GetStringFromObj(objv[2], &len);
joinable = ((len > 1) &&
(script [0] == '-') && (script [1] == 'j') &&
(0 == strncmp(script, "-joinable", (size_t) len)));
script = Tcl_GetString(objv[3]);
} else {
Tcl_WrongNumArgs(interp, 2, objv, "?-joinable? ?script?");
return TCL_ERROR;
}
return TclCreateThread(interp, script, joinable);
}
case THREAD_EXIT:
if (objc > 2) {
Tcl_WrongNumArgs(interp, 2, objv, NULL);
return TCL_ERROR;
}
ListRemove(NULL);
Tcl_ExitThread(0);
return TCL_OK;
case THREAD_ID:
if (objc == 2) {
Tcl_Obj *idObj = Tcl_NewLongObj((long) Tcl_GetCurrentThread());
Tcl_SetObjResult(interp, idObj);
return TCL_OK;
} else {
Tcl_WrongNumArgs(interp, 2, objv, NULL);
return TCL_ERROR;
}
case THREAD_JOIN: {
long id;
int result, status;
if (objc != 3) {
Tcl_WrongNumArgs(interp, 2, objv, "id");
return TCL_ERROR;
}
if (Tcl_GetLongFromObj(interp, objv[2], &id) != TCL_OK) {
return TCL_ERROR;
}
result = Tcl_JoinThread ((Tcl_ThreadId) id, &status);
if (result == TCL_OK) {
Tcl_SetIntObj (Tcl_GetObjResult (interp), status);
} else {
char buf [20];
sprintf(buf, "%ld", id);
Tcl_AppendResult(interp, "cannot join thread ", buf, NULL);
}
return result;
}
case THREAD_NAMES:
if (objc > 2) {
Tcl_WrongNumArgs(interp, 2, objv, NULL);
return TCL_ERROR;
}
return TclThreadList(interp);
case THREAD_SEND: {
long id;
char *script;
int wait, arg;
if ((objc != 4) && (objc != 5)) {
Tcl_WrongNumArgs(interp, 2, objv, "?-async? id script");
return TCL_ERROR;
}
if (objc == 5) {
if (strcmp("-async", Tcl_GetString(objv[2])) != 0) {
Tcl_WrongNumArgs(interp, 2, objv, "?-async? id script");
return TCL_ERROR;
}
wait = 0;
arg = 3;
} else {
wait = 1;
arg = 2;
}
if (Tcl_GetLongFromObj(interp, objv[arg], &id) != TCL_OK) {
return TCL_ERROR;
}
arg++;
script = Tcl_GetString(objv[arg]);
return TclThreadSend(interp, (Tcl_ThreadId) id, script, wait);
}
case THREAD_ERRORPROC: {
/*
* Arrange for this proc to handle thread death errors.
*/
char *proc;
if (objc != 3) {
Tcl_WrongNumArgs(interp, 2, objv, "proc");
return TCL_ERROR;
}
Tcl_MutexLock(&threadMutex);
errorThreadId = Tcl_GetCurrentThread();
if (errorProcString) {
ckfree(errorProcString);
}
proc = Tcl_GetString(objv[2]);
errorProcString = ckalloc(strlen(proc)+1);
strcpy(errorProcString, proc);
Tcl_MutexUnlock(&threadMutex);
return TCL_OK;
}
case THREAD_WAIT:
while (1) {
(void) Tcl_DoOneEvent(TCL_ALL_EVENTS);
}
}
return TCL_OK;
}
static TclRegexp *
CompileRegexp(
Tcl_Interp *interp, /* Used for error reporting if not NULL. */
const char *string, /* The regexp to compile (UTF-8). */
int length, /* The length of the string in bytes. */
int flags) /* Compilation flags. */
{
TclRegexp *regexpPtr;
const Tcl_UniChar *uniString;
int numChars, status, i, exact;
Tcl_DString stringBuf;
ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);
if (!tsdPtr->initialized) {
tsdPtr->initialized = 1;
Tcl_CreateThreadExitHandler(FinalizeRegexp, NULL);
}
/*
* This routine maintains a second-level regular expression cache in
* addition to the per-object regexp cache. The per-thread cache is needed
* to handle the case where for various reasons the object is lost between
* invocations of the regexp command, but the literal pattern is the same.
*/
/*
* Check the per-thread compiled regexp cache. We can only reuse a regexp
* if it has the same pattern and the same flags.
*/
for (i = 0; (i < NUM_REGEXPS) && (tsdPtr->patterns[i] != NULL); i++) {
if ((length == tsdPtr->patLengths[i])
&& (tsdPtr->regexps[i]->flags == flags)
&& (strcmp(string, tsdPtr->patterns[i]) == 0)) {
/*
* Move the matched pattern to the first slot in the cache and
* shift the other patterns down one position.
*/
if (i != 0) {
int j;
char *cachedString;
cachedString = tsdPtr->patterns[i];
regexpPtr = tsdPtr->regexps[i];
for (j = i-1; j >= 0; j--) {
tsdPtr->patterns[j+1] = tsdPtr->patterns[j];
tsdPtr->patLengths[j+1] = tsdPtr->patLengths[j];
tsdPtr->regexps[j+1] = tsdPtr->regexps[j];
}
tsdPtr->patterns[0] = cachedString;
tsdPtr->patLengths[0] = length;
tsdPtr->regexps[0] = regexpPtr;
}
return tsdPtr->regexps[0];
}
}
/*
* This is a new expression, so compile it and add it to the cache.
*/
regexpPtr = ckalloc(sizeof(TclRegexp));
regexpPtr->objPtr = NULL;
regexpPtr->string = NULL;
regexpPtr->details.rm_extend.rm_so = -1;
regexpPtr->details.rm_extend.rm_eo = -1;
/*
* Get the up-to-date string representation and map to unicode.
*/
Tcl_DStringInit(&stringBuf);
uniString = Tcl_UtfToUniCharDString(string, length, &stringBuf);
numChars = Tcl_DStringLength(&stringBuf) / sizeof(Tcl_UniChar);
/*
* Compile the string and check for errors.
*/
regexpPtr->flags = flags;
status = TclReComp(®expPtr->re, uniString, (size_t) numChars, flags);
Tcl_DStringFree(&stringBuf);
if (status != REG_OKAY) {
/*
* Clean up and report errors in the interpreter, if possible.
*/
ckfree(regexpPtr);
if (interp) {
TclRegError(interp,
"couldn't compile regular expression pattern: ", status);
}
return NULL;
}
/*
* Convert RE to a glob pattern equivalent, if any, and cache it. If this
* is not possible, then globObjPtr will be NULL. This is used by
* Tcl_RegExpExecObj to optionally do a fast match (avoids RE engine).
*/
if (TclReToGlob(NULL, string, length, &stringBuf, &exact) == TCL_OK) {
regexpPtr->globObjPtr = TclDStringToObj(&stringBuf);
Tcl_IncrRefCount(regexpPtr->globObjPtr);
} else {
regexpPtr->globObjPtr = NULL;
}
/*
* Allocate enough space for all of the subexpressions, plus one extra for
* the entire pattern.
*/
regexpPtr->matches =
ckalloc(sizeof(regmatch_t) * (regexpPtr->re.re_nsub + 1));
/*
* Initialize the refcount to one initially, since it is in the cache.
*/
regexpPtr->refCount = 1;
/*
* Free the last regexp, if necessary, and make room at the head of the
* list for the new regexp.
*/
if (tsdPtr->patterns[NUM_REGEXPS-1] != NULL) {
TclRegexp *oldRegexpPtr = tsdPtr->regexps[NUM_REGEXPS-1];
if (--(oldRegexpPtr->refCount) <= 0) {
FreeRegexp(oldRegexpPtr);
}
ckfree(tsdPtr->patterns[NUM_REGEXPS-1]);
}
for (i = NUM_REGEXPS - 2; i >= 0; i--) {
tsdPtr->patterns[i+1] = tsdPtr->patterns[i];
tsdPtr->patLengths[i+1] = tsdPtr->patLengths[i];
tsdPtr->regexps[i+1] = tsdPtr->regexps[i];
}
tsdPtr->patterns[0] = ckalloc(length + 1);
memcpy(tsdPtr->patterns[0], string, (unsigned) length + 1);
tsdPtr->patLengths[0] = length;
tsdPtr->regexps[0] = regexpPtr;
return regexpPtr;
}
