diff options
-rw-r--r-- | generic/tclIOUtil.c | 45 |
1 files changed, 7 insertions, 38 deletions
diff --git a/generic/tclIOUtil.c b/generic/tclIOUtil.c index f8141ee..d98e760 100644 --- a/generic/tclIOUtil.c +++ b/generic/tclIOUtil.c @@ -39,16 +39,11 @@ static void FsAddMountsToGlobResult(Tcl_Obj *resultPtr, Tcl_GlobTypeData *types); static void FsUpdateCwd(Tcl_Obj *cwdObj, ClientData clientData); -#ifdef TCL_THREADS static void FsRecacheFilesystemList(void); static void Purge(FilesystemRecord *fsRecPtr); #define Claim() (tsdPtr->claims++) #define Disclaim() if (--tsdPtr->claims <= 0) Purge(tsdPtr->filesystemList); -#else -#define Claim() -#define Disclaim() -#endif /* * These form part of the native filesystem support. They are needed here @@ -590,7 +585,6 @@ TclFSCwdPointerEquals( } } -#ifdef TCL_THREADS static void FsRecacheFilesystemList(void) { @@ -614,12 +608,10 @@ FsRecacheFilesystemList(void) } /* - * Code below operates on shared data. We are already called under mutex - * lock so we can safely proceed. - * * Locate tail of the global filesystem list. */ + Tcl_MutexLock(&filesystemMutex); fsRecPtr = filesystemList; while (fsRecPtr != NULL) { tmpFsRecPtr = fsRecPtr; @@ -639,6 +631,8 @@ FsRecacheFilesystemList(void) tsdPtr->filesystemList = tmpFsRecPtr; fsRecPtr = fsRecPtr->prevPtr; } + tsdPtr->filesystemEpoch = theFilesystemEpoch; + Tcl_MutexUnlock(&filesystemMutex); /* * Make sure the above gets released on thread exit. @@ -649,27 +643,16 @@ FsRecacheFilesystemList(void) tsdPtr->initialized = 1; } } -#endif /* TCL_THREADS */ static FilesystemRecord * FsGetFirstFilesystem(void) { ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&tclFsDataKey); - FilesystemRecord *fsRecPtr; -#ifndef TCL_THREADS - tsdPtr->filesystemEpoch = theFilesystemEpoch; - fsRecPtr = filesystemList; -#else - Tcl_MutexLock(&filesystemMutex); if (tsdPtr->filesystemList == NULL || (tsdPtr->filesystemEpoch != theFilesystemEpoch)) { FsRecacheFilesystemList(); - tsdPtr->filesystemEpoch = theFilesystemEpoch; } - Tcl_MutexUnlock(&filesystemMutex); - fsRecPtr = tsdPtr->filesystemList; -#endif - return fsRecPtr; + return tsdPtr->filesystemList; } /* @@ -681,12 +664,9 @@ int TclFSEpochOk( int filesystemEpoch) { - ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&tclFsDataKey); - (void) FsGetFirstFilesystem(); - return (filesystemEpoch == tsdPtr->filesystemEpoch); + return (filesystemEpoch == theFilesystemEpoch); } -#ifdef TCL_THREADS static void Purge( FilesystemRecord *fsRecPtr) @@ -712,7 +692,6 @@ Purge( toRelease = fsRecPtr; } } -#endif /* * If non-NULL, clientData is owned by us and must be freed later. @@ -832,6 +811,7 @@ TclFinalizeFilesystem(void) } fsRecPtr = tmpFsRecPtr; } + theFilesystemEpoch++; filesystemList = NULL; /* @@ -869,6 +849,7 @@ void TclResetFilesystem(void) { filesystemList = &nativeFilesystemRecord; + theFilesystemEpoch++; /* * Note, at this point, I believe nativeFilesystemRecord -> fileRefCount @@ -1451,9 +1432,7 @@ TclFSNormalizeToUniquePath( * for a given filesystem, we can optionally * return an fs-specific clientdata here. */ { -#ifdef TCL_THREADS ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&tclFsDataKey); -#endif FilesystemRecord *fsRecPtr, *firstFsRecPtr; /* Ignore this variable */ (void) clientDataPtr; @@ -3686,9 +3665,7 @@ Tcl_FSLink( Tcl_Obj* Tcl_FSListVolumes(void) { -#ifdef TCL_THREADS ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&tclFsDataKey); -#endif FilesystemRecord *fsRecPtr; Tcl_Obj *resultPtr = Tcl_NewObj(); @@ -3743,9 +3720,7 @@ FsListMounts( Tcl_Obj *pathPtr, /* Contains path to directory to search. */ const char *pattern) /* Pattern to match against. */ { -#ifdef TCL_THREADS ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&tclFsDataKey); -#endif FilesystemRecord *fsRecPtr; Tcl_GlobTypeData mountsOnly = { TCL_GLOB_TYPE_MOUNT, 0, NULL, NULL }; Tcl_Obj *resultPtr = NULL; @@ -3892,9 +3867,7 @@ TclFSInternalToNormalized( ClientData clientData, FilesystemRecord **fsRecPtrPtr) { -#ifdef TCL_THREADS ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&tclFsDataKey); -#endif FilesystemRecord *fsRecPtr = FsGetFirstFilesystem(); Claim(); @@ -4012,9 +3985,7 @@ TclFSNonnativePathType( * path, already with a refCount for the * caller. */ { -#ifdef TCL_THREADS ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&tclFsDataKey); -#endif FilesystemRecord *fsRecPtr; Tcl_PathType type = TCL_PATH_RELATIVE; @@ -4475,9 +4446,7 @@ Tcl_Filesystem * Tcl_FSGetFileSystemForPath( Tcl_Obj* pathPtr) { -#ifdef TCL_THREADS ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&tclFsDataKey); -#endif FilesystemRecord *fsRecPtr; Tcl_Filesystem* retVal = NULL; |