diff options
Diffstat (limited to 'unix/tclLoadDl.c')
| -rw-r--r-- | unix/tclLoadDl.c | 42 |
1 files changed, 30 insertions, 12 deletions
diff --git a/unix/tclLoadDl.c b/unix/tclLoadDl.c index 96f0717..dc711f8 100644 --- a/unix/tclLoadDl.c +++ b/unix/tclLoadDl.c @@ -66,14 +66,16 @@ TclpDlopen( Tcl_LoadHandle *loadHandle, /* Filled with token for dynamically loaded * file which will be passed back to * (*unloadProcPtr)() to unload the file. */ - Tcl_FSUnloadFileProc **unloadProcPtr) + Tcl_FSUnloadFileProc **unloadProcPtr, /* Filled with address of Tcl_FSUnloadFileProc * function which should be used for this * file. */ + int flags) { void *handle; Tcl_LoadHandle newHandle; const char *native; + int dlopenflags = 0; /* * First try the full path the user gave us. This is particularly @@ -83,9 +85,19 @@ TclpDlopen( native = Tcl_FSGetNativePath(pathPtr); /* - * Use (RTLD_NOW|RTLD_LOCAL) always, see [Bug #3216070] + * Use (RTLD_NOW|RTLD_LOCAL) as default, see [Bug #3216070] */ - handle = dlopen(native, RTLD_NOW | RTLD_LOCAL); + if (flags & TCL_LOAD_GLOBAL) { + dlopenflags |= RTLD_GLOBAL; + } else { + dlopenflags |= RTLD_LOCAL; + } + if (flags & TCL_LOAD_LAZY) { + dlopenflags |= RTLD_LAZY; + } else { + dlopenflags |= RTLD_NOW; + } + handle = dlopen(native, dlopenflags); if (handle == NULL) { /* * Let the OS loader examine the binary search path for whatever @@ -98,9 +110,9 @@ TclpDlopen( native = Tcl_UtfToExternalDString(NULL, fileName, -1, &ds); /* - * Use (RTLD_NOW|RTLD_LOCAL) always, see [Bug #3216070] + * Use (RTLD_NOW|RTLD_LOCAL) as default, see [Bug #3216070] */ - handle = dlopen(native, RTLD_NOW | RTLD_LOCAL); + handle = dlopen(native, dlopenflags); Tcl_DStringFree(&ds); } @@ -112,8 +124,9 @@ TclpDlopen( const char *errorStr = dlerror(); - Tcl_AppendResult(interp, "couldn't load file \"", - Tcl_GetString(pathPtr), "\": ", errorStr, NULL); + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "couldn't load file \"%s\": %s", + Tcl_GetString(pathPtr), errorStr)); return TCL_ERROR; } newHandle = ckalloc(sizeof(*newHandle)); @@ -151,7 +164,7 @@ FindSymbol( const char *native; /* Name of the library to be loaded, in * system encoding */ Tcl_DString newName, ds; /* Buffers for converting the name to - * system encoding and prepending an + * system encoding and prepending an * underscore*/ void *handle = (void *) loadHandle->clientData; /* Native handle to the loaded library */ @@ -168,16 +181,21 @@ FindSymbol( proc = dlsym(handle, native); /* INTL: Native. */ if (proc == NULL) { Tcl_DStringInit(&newName); - Tcl_DStringAppend(&newName, "_", 1); + TclDStringAppendLiteral(&newName, "_"); native = Tcl_DStringAppend(&newName, native, -1); proc = dlsym(handle, native); /* INTL: Native. */ Tcl_DStringFree(&newName); } Tcl_DStringFree(&ds); if (proc == NULL && interp != NULL) { - Tcl_ResetResult(interp); - Tcl_AppendResult(interp, "cannot find symbol \"", symbol, "\": ", - dlerror(), NULL); + const char *errorStr = dlerror(); + + if (!errorStr) { + errorStr = "unknown"; + } + + Tcl_SetObjResult(interp, Tcl_ObjPrintf( + "cannot find symbol \"%s\": %s", symbol, errorStr)); Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "LOAD_SYMBOL", symbol, NULL); } |