Tcl Source Code

2012-04-04  Jan Nijtmans  <[email protected]>

	* win/tclWinSock.c:     [Bug 510001]: TclSockMinimumBuffers needs plat imp
	* generic/tclIOSock.c:
	* generic/tclInt.decls:
	* generic/tclIntDecls.h:
	* generic/tclStubInit.c:

2012-04-03  Jan Nijtmans  <[email protected]>

	* generic/tclStubInit.c      Remove the TclpGetTZName implementation for
	* generic/tclIntDecls.h:     Cygwin (from 2012-04-02 commit) , re-generated
	* generic/tclIntPlatDecls.h:

2012-04-02  Donal K. Fellows  <[email protected]>

 *
 * Side effects:
 *	Sets SO_SNDBUF and SO_RCVBUF sizes.
 *
 *----------------------------------------------------------------------
 */

#ifndef _WIN32
#   define SOCKET int


#endif

int
TclSockMinimumBuffers(
    void *sock,			/* Socket file descriptor */
    int size)			/* Minimum buffer size */
{
    int current;
    socklen_t len;

    len = sizeof(int);
    getsockopt((SOCKET)sock, SOL_SOCKET, SO_SNDBUF, (char *)&current, &len);
    if (current < size) {
	len = sizeof(int);
	setsockopt((SOCKET)sock, SOL_SOCKET, SO_SNDBUF, (char *)&size, len);
    }
    len = sizeof(int);
    getsockopt((SOCKET)sock, SOL_SOCKET, SO_RCVBUF, (char *)&current, &len);
    if (current < size) {
	len = sizeof(int);
	setsockopt((SOCKET)sock, SOL_SOCKET, SO_RCVBUF, (char *)&size, len);
    }
    return TCL_OK;
}

/*
 *----------------------------------------------------------------------
 *

    void TclSetupEnv(Tcl_Interp *interp)
}
declare 103 {
    int TclSockGetPort(Tcl_Interp *interp, const char *str, const char *proto,
	    int *portPtr)
}
declare 104 {
    int TclSockMinimumBuffersOld(int sock, int size)
}
declare 110 {
    int TclSockMinimumBuffers(void *sock, int size)
}
# Replaced by Tcl_FSStat in 8.4:
#declare 105 {
#    int TclStat(const char *path, Tcl_StatBuf *buf)
#}
#declare 106 {
#    int TclStatDeleteProc(TclStatProc_ *proc)

EXTERN CONST86 char *	TclSetPreInitScript(const char *string);
/* 102 */
EXTERN void		TclSetupEnv(Tcl_Interp *interp);
/* 103 */
EXTERN int		TclSockGetPort(Tcl_Interp *interp, const char *str,
				const char *proto, int *portPtr);
/* 104 */
EXTERN int		TclSockMinimumBuffersOld(int sock, int size);
/* Slot 105 is reserved */
/* Slot 106 is reserved */
/* Slot 107 is reserved */
/* 108 */
EXTERN void		TclTeardownNamespace(Namespace *nsPtr);
/* 109 */
EXTERN int		TclUpdateReturnInfo(Interp *iPtr);
/* 110 */
EXTERN int		TclSockMinimumBuffers(void *sock, int size);
/* 111 */
EXTERN void		Tcl_AddInterpResolvers(Tcl_Interp *interp,
				const char *name,
				Tcl_ResolveCmdProc *cmdProc,
				Tcl_ResolveVarProc *varProc,
				Tcl_ResolveCompiledVarProc *compiledVarProc);
/* 112 */

    void (*tclResetShadowedCmdRefs) (Tcl_Interp *interp, Command *newCmdPtr); /* 97 */
    int (*tclServiceIdle) (void); /* 98 */
    void (*reserved99)(void);
    void (*reserved100)(void);
    CONST86 char * (*tclSetPreInitScript) (const char *string); /* 101 */
    void (*tclSetupEnv) (Tcl_Interp *interp); /* 102 */
    int (*tclSockGetPort) (Tcl_Interp *interp, const char *str, const char *proto, int *portPtr); /* 103 */
    int (*tclSockMinimumBuffersOld) (int sock, int size); /* 104 */
    void (*reserved105)(void);
    void (*reserved106)(void);
    void (*reserved107)(void);
    void (*tclTeardownNamespace) (Namespace *nsPtr); /* 108 */
    int (*tclUpdateReturnInfo) (Interp *iPtr); /* 109 */
    int (*tclSockMinimumBuffers) (void *sock, int size); /* 110 */
    void (*tcl_AddInterpResolvers) (Tcl_Interp *interp, const char *name, Tcl_ResolveCmdProc *cmdProc, Tcl_ResolveVarProc *varProc, Tcl_ResolveCompiledVarProc *compiledVarProc); /* 111 */
    int (*tcl_AppendExportList) (Tcl_Interp *interp, Tcl_Namespace *nsPtr, Tcl_Obj *objPtr); /* 112 */
    Tcl_Namespace * (*tcl_CreateNamespace) (Tcl_Interp *interp, const char *name, ClientData clientData, Tcl_NamespaceDeleteProc *deleteProc); /* 113 */
    void (*tcl_DeleteNamespace) (Tcl_Namespace *nsPtr); /* 114 */
    int (*tcl_Export) (Tcl_Interp *interp, Tcl_Namespace *nsPtr, const char *pattern, int resetListFirst); /* 115 */
    Tcl_Command (*tcl_FindCommand) (Tcl_Interp *interp, const char *name, Tcl_Namespace *contextNsPtr, int flags); /* 116 */
    Tcl_Namespace * (*tcl_FindNamespace) (Tcl_Interp *interp, const char *name, Tcl_Namespace *contextNsPtr, int flags); /* 117 */

/* Slot 100 is reserved */
#define TclSetPreInitScript \
	(tclIntStubsPtr->tclSetPreInitScript) /* 101 */
#define TclSetupEnv \
	(tclIntStubsPtr->tclSetupEnv) /* 102 */
#define TclSockGetPort \
	(tclIntStubsPtr->tclSockGetPort) /* 103 */
#define TclSockMinimumBuffersOld \
	(tclIntStubsPtr->tclSockMinimumBuffersOld) /* 104 */
/* Slot 105 is reserved */
/* Slot 106 is reserved */
/* Slot 107 is reserved */
#define TclTeardownNamespace \
	(tclIntStubsPtr->tclTeardownNamespace) /* 108 */
#define TclUpdateReturnInfo \
	(tclIntStubsPtr->tclUpdateReturnInfo) /* 109 */
#define TclSockMinimumBuffers \
	(tclIntStubsPtr->tclSockMinimumBuffers) /* 110 */
#define Tcl_AddInterpResolvers \
	(tclIntStubsPtr->tcl_AddInterpResolvers) /* 111 */
#define Tcl_AppendExportList \
	(tclIntStubsPtr->tcl_AppendExportList) /* 112 */
#define Tcl_CreateNamespace \
	(tclIntStubsPtr->tcl_CreateNamespace) /* 113 */
#define Tcl_DeleteNamespace \

#undef Tcl_NewStringObj
#undef Tcl_DumpActiveMemory
#undef Tcl_ValidateAllMemory
#undef Tcl_FindHashEntry
#undef Tcl_CreateHashEntry
#undef Tcl_Panic
#undef Tcl_FindExecutable

/* See bug 510001: TclSockMinimumBuffers needs plat imp */
#ifdef _WIN64
#   define TclSockMinimumBuffersOld 0
#else
#define TclSockMinimumBuffersOld sockMinimumBuffersOld
static int TclSockMinimumBuffersOld(sock, size)
    int sock;
    int size;
{
    return TclSockMinimumBuffers(INT2PTR(sock), size);
}
#endif

#ifdef __CYGWIN__

/* Trick, so we don't have to include <windows.h> here, which
 * - b.t.w. - lacks this function anyway */
#define GET_MODULE_HANDLE_EX_FLAG_FROM_ADDRESS 0x00000004
int __stdcall GetModuleHandleExW(unsigned int, const char *, void *);

    TclResetShadowedCmdRefs, /* 97 */
    TclServiceIdle, /* 98 */
    0, /* 99 */
    0, /* 100 */
    TclSetPreInitScript, /* 101 */
    TclSetupEnv, /* 102 */
    TclSockGetPort, /* 103 */
    TclSockMinimumBuffersOld, /* 104 */
    0, /* 105 */
    0, /* 106 */
    0, /* 107 */
    TclTeardownNamespace, /* 108 */
    TclUpdateReturnInfo, /* 109 */
    TclSockMinimumBuffers, /* 110 */
    Tcl_AddInterpResolvers, /* 111 */
    Tcl_AppendExportList, /* 112 */
    Tcl_CreateNamespace, /* 113 */
    Tcl_DeleteNamespace, /* 114 */
    Tcl_Export, /* 115 */
    Tcl_FindCommand, /* 116 */
    Tcl_FindNamespace, /* 117 */

	    SetHandleInformation((HANDLE) sock, HANDLE_FLAG_INHERIT, 0);

	    /*
	     * Set kernel space buffering
	     */

	    TclSockMinimumBuffers((void *)sock, TCP_BUFFER_SIZE);

	    /*
	     * Make sure we use the same port when opening two server sockets
	     * for IPv4 and IPv6.
	     *
	     * As sockaddr_in6 uses the same offset and size for the port
	     * member as sockaddr_in, we can handle both through the IPv4 API.

		SetHandleInformation((HANDLE) sock, HANDLE_FLAG_INHERIT, 0);

		/*
		 * Set kernel space buffering
		 */

		TclSockMinimumBuffers((void *)sock, TCP_BUFFER_SIZE);

		/*
		 * Try to bind to a local port.
		 */

		if (bind(sock, myaddrPtr->ai_addr, myaddrPtr->ai_addrlen)
		    == SOCKET_ERROR) {

    tsdPtr = TclThreadDataKeyGet(&dataKey);

    /*
     * Set kernel space buffering and non-blocking.
     */

    TclSockMinimumBuffers(sock, TCP_BUFFER_SIZE);

    infoPtr = NewSocketInfo((SOCKET) sock);

    /*
     * Start watching for read/write events on the socket.
     */

 * Side effects:
 *	As defined for each function.
 *
 *----------------------------------------------------------------------
 */

int
TclWinGetSockOpt(SOCKET s, int level, int optname, char *optval,




	int *optlen)
{
    /*
     * Check that WinSock is initialized; do not call it if not, to prevent
     * system crashes. This can happen at exit time if the exit handler for
     * WinSock ran before other exit handlers that want to use sockets.
     */

    if (!SocketsEnabled()) {
	return SOCKET_ERROR;
    }

    return getsockopt(s, level, optname, optval, optlen);
}

int
TclWinSetSockOpt(SOCKET s, int level, int optname, const char *optval,




    int optlen)
{
    /*
     * Check that WinSock is initialized; do not call it if not, to prevent
     * system crashes. This can happen at exit time if the exit handler for
     * WinSock ran before other exit handlers that want to use sockets.
     */