diff options
Diffstat (limited to 'unix/tclLoadDl.c')
| -rw-r--r-- | unix/tclLoadDl.c | 32 |
1 files changed, 25 insertions, 7 deletions
diff --git a/unix/tclLoadDl.c b/unix/tclLoadDl.c index f8fe6d3..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); } @@ -152,7 +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 */ @@ -176,8 +188,14 @@ FindSymbol( } Tcl_DStringFree(&ds); if (proc == NULL && interp != NULL) { + const char *errorStr = dlerror(); + + if (!errorStr) { + errorStr = "unknown"; + } + Tcl_SetObjResult(interp, Tcl_ObjPrintf( - "cannot find symbol \"%s\": %s", symbol, dlerror())); + "cannot find symbol \"%s\": %s", symbol, errorStr)); Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "LOAD_SYMBOL", symbol, NULL); } |