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/*
* --------------------------------------------------------------------------
* tclthreadInt.h --
*
* Global internal header file for the thread extension.
*
* Copyright (c) 2002 ActiveState Corporation.
* Copyright (c) 2002 by Zoran Vasiljevic.
*
* See the file "license.terms" for information on usage and redistribution
* of this file, and for a DISCLAIMER OF ALL WARRANTIES.
* ---------------------------------------------------------------------------
*/
#ifndef _TCL_THREAD_INT_H_
#define _TCL_THREAD_INT_H_
#include "tclThread.h"
#include <stdlib.h> /* For strtoul */
#include <string.h> /* For memset and friends */
/*
* Used to tag functions that are only to be visible within the module being
* built and not outside it (where this is supported by the linker).
*/
#ifndef MODULE_SCOPE
# ifdef __cplusplus
# define MODULE_SCOPE extern "C"
# else
# define MODULE_SCOPE extern
# endif
#endif
/*
* For linking against NaviServer/AOLserver require V4 at least
*/
#ifdef NS_AOLSERVER
# include <ns.h>
# if !defined(NS_MAJOR_VERSION) || NS_MAJOR_VERSION < 4
# error "unsupported NaviServer/AOLserver version"
# endif
#endif
/*
* Allow for some command names customization.
* Only thread:: and tpool:: are handled here.
* Shared variable commands are more complicated.
* Look into the threadSvCmd.h for more info.
*/
#define THREAD_CMD_PREFIX "thread::"
#define TPOOL_CMD_PREFIX "tpool::"
/*
* Exported from threadSvCmd.c file.
*/
MODULE_SCOPE int Sv_Init(Tcl_Interp *interp);
/*
* Exported from threadSpCmd.c file.
*/
MODULE_SCOPE int Sp_Init(Tcl_Interp *interp);
/*
* Exported from threadPoolCmd.c file.
*/
MODULE_SCOPE int Tpool_Init(Tcl_Interp *interp);
/*
* Macros for splicing in/out of linked lists
*/
#define SpliceIn(a,b) \
(a)->nextPtr = (b); \
if ((b) != NULL) \
(b)->prevPtr = (a); \
(a)->prevPtr = NULL, (b) = (a)
#define SpliceOut(a,b) \
if ((a)->prevPtr != NULL) \
(a)->prevPtr->nextPtr = (a)->nextPtr; \
else \
(b) = (a)->nextPtr; \
if ((a)->nextPtr != NULL) \
(a)->nextPtr->prevPtr = (a)->prevPtr
/*
* Version macros
*/
#define TCL_MINIMUM_VERSION(major,minor) \
((TCL_MAJOR_VERSION > (major)) || \
((TCL_MAJOR_VERSION == (major)) && (TCL_MINOR_VERSION >= (minor))))
/*
* Utility macros
*/
#define TCL_CMD(a,b,c) \
if (Tcl_CreateObjCommand((a),(b),(c),(ClientData)NULL, NULL) == NULL) \
return TCL_ERROR
#define OPT_CMP(a,b) \
((a) && (b) && (*(a)==*(b)) && (*(a+1)==*(b+1)) && (!strcmp((a),(b))))
#ifndef TCL_TSD_INIT
#define TCL_TSD_INIT(keyPtr) \
(ThreadSpecificData*)Tcl_GetThreadData((keyPtr),sizeof(ThreadSpecificData))
#endif
/*
* Structure to pass to NsThread_Init. This holds the module
* and virtual server name for proper interp initializations.
*/
typedef struct {
char *modname;
char *server;
} NsThreadInterpData;
/*
* Handle binary compatibility regarding
* Tcl_GetErrorLine in 8.x
* See Tcl bug #3562640.
*/
MODULE_SCOPE int threadTclVersion;
typedef struct {
void *unused1;
void *unused2;
int errorLine;
} tclInterpType;
#if defined(TCL_TIP285)
# undef Tcl_GetErrorLine
# if defined(USE_TCL_STUBS)
# define Tcl_GetErrorLine(interp) ((threadTclVersion>85)? \
((int (*)(Tcl_Interp *))((&(tclStubsPtr->tcl_PkgProvideEx))[605]))(interp): \
(((tclInterpType *)(interp))->errorLine))
# undef Tcl_AddErrorInfo
# define Tcl_AddErrorInfo(interp, msg) ((threadTclVersion>85)? \
((void (*)(Tcl_Interp *, Tcl_Obj *))((&(tclStubsPtr->tcl_PkgProvideEx))[574]))(interp, Tcl_NewStringObj(msg, -1)): \
((void (*)(Tcl_Interp *, const char *))((&(tclStubsPtr->tcl_PkgProvideEx))[66]))(interp, msg))
# undef Tcl_BackgroundError
# define Tcl_BackgroundError(interp) ((threadTclVersion>85)? \
((void (*)(Tcl_Interp *, int))((&(tclStubsPtr->tcl_PkgProvideEx))[609]))(interp, TCL_ERROR): \
((void (*)(Tcl_Interp *))((&(tclStubsPtr->tcl_PkgProvideEx))[76]))(interp))
# else
# define Tcl_GetErrorLine(interp) (((tclInterpType *)(interp))->errorLine)
# endif
#endif
/* 8.5, 8.4, or less - Emulate access to the error-line information
* This is TIP 336, unrelated to 285 (async cancellation). When doing
* a static link of the thread package (use case: basekits, tclkits,
* ...) and the core Tcl is < 8.6 we cannot use TCL_TIP285 to get
* things done, because USE_TCL_STUBS is not set for static builds,
* causing the check in threadCmd.c to bomb.
*/
#ifndef TCL_TIP285
# if !TCL_MINIMUM_VERSION(8,6)
# define Tcl_GetErrorLine(interp) (((tclInterpType *)(interp))->errorLine)
# endif
#endif
#endif /* _TCL_THREAD_INT_H_ */
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