diff options
Diffstat (limited to 'unix/tclLoadShl.c')
| -rw-r--r-- | unix/tclLoadShl.c | 44 |
1 files changed, 31 insertions, 13 deletions
diff --git a/unix/tclLoadShl.c b/unix/tclLoadShl.c index c9e4e27..9656983 100644 --- a/unix/tclLoadShl.c +++ b/unix/tclLoadShl.c @@ -23,6 +23,14 @@ #include "tclInt.h" +/* Static functions defined within this file */ + +static void* FindSymbol(Tcl_Interp* interp, Tcl_LoadHandle loadHandle, + const char* symbol); +static void +UnloadFile(Tcl_LoadHandle handle); + + /* *---------------------------------------------------------------------- * @@ -55,7 +63,8 @@ TclpDlopen( * file. */ { shl_t handle; - CONST char *native; + Tcl_LoadHandle newHandle; + const char *native; char *fileName = Tcl_GetString(pathPtr); /* @@ -95,15 +104,18 @@ TclpDlopen( Tcl_PosixError(interp), (char *) NULL); return TCL_ERROR; } - *loadHandle = (Tcl_LoadHandle) handle; - *unloadProcPtr = &TclpUnloadFile; + newHandle = ckalloc(sizeof(*newHandle)); + newHandle->clientData = handle; + newHandle->findSymbolProcPtr = &FindSymbol; + newHandle->unloadFileProcPtr = *unloadProcPtr = &UnloadFile; + *loadHandle = newHandle; return TCL_OK; } /* *---------------------------------------------------------------------- * - * TclpFindSymbol -- + * Tcl_FindSymbol -- * * Looks up a symbol, by name, through a handle associated with a * previously loaded piece of code (shared library). @@ -116,15 +128,15 @@ TclpDlopen( *---------------------------------------------------------------------- */ -Tcl_PackageInitProc * -TclpFindSymbol( +static void* +FindSymbol( Tcl_Interp *interp, Tcl_LoadHandle loadHandle, - CONST char *symbol) + const char *symbol) { Tcl_DString newName; Tcl_PackageInitProc *proc = NULL; - shl_t handle = (shl_t)loadHandle; + shl_t handle = (shl_t)(loadHandle->clientData); /* * Some versions of the HP system software still use "_" at the beginning @@ -142,13 +154,18 @@ TclpFindSymbol( } Tcl_DStringFree(&newName); } + if (proc == NULL && interp != NULL) { + Tcl_ResetResult(interp); + Tcl_AppendResult(interp, "cannot find symbol\"", symbol, + "\": ", Tcl_PosixError(interp), NULL); + } return proc; } /* *---------------------------------------------------------------------- * - * TclpUnloadFile -- + * UnloadFile -- * * Unloads a dynamically loaded binary code file from memory. Code * pointers in the formerly loaded file are no longer valid after calling @@ -163,16 +180,17 @@ TclpFindSymbol( *---------------------------------------------------------------------- */ -void -TclpUnloadFile( +static void +UnloadFile( Tcl_LoadHandle loadHandle) /* loadHandle returned by a previous call to * TclpDlopen(). The loadHandle is a token * that represents the loaded file. */ { shl_t handle; - handle = (shl_t) loadHandle; + handle = (shl_t) (loadHandle -> clientData); shl_unload(handle); + ckfree(loadHandle); } /* @@ -197,7 +215,7 @@ TclpUnloadFile( int TclGuessPackageName( - CONST char *fileName, /* Name of file containing package (already + const char *fileName, /* Name of file containing package (already * translated to local form if needed). */ Tcl_DString *bufPtr) /* Initialized empty dstring. Append package * name to this if possible. */ |