The first attempt to make cookfs thread-aware

chpock · Jun 5, 2024 · 071288d · 071288d
1 parent d92b6ae
commit 071288d
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Showing 3 changed files with 153 additions and 41 deletions.
diff --git a/generic/vfs.c b/generic/vfs.c
@@ -47,6 +47,7 @@ Cookfs_Vfs *Cookfs_VfsInit(Tcl_Interp* interp, Tcl_Obj* mountPoint,
     vfs->commandToken = NULL;
     vfs->interp = interp;
     vfs->isDead = 0;
+    vfs->isAlive = 0;
 #ifdef COOKFS_USETCLCMDS
     vfs->isRegistered = 0;
 #endif

diff --git a/generic/vfs.h b/generic/vfs.h
@@ -14,6 +14,7 @@ typedef struct Cookfs_Vfs {
     Tcl_Command commandToken;
 
     int isDead;
+    int isAlive;
 #ifdef COOKFS_USETCLCMDS
     int isRegistered;
 #endif
@@ -26,6 +27,16 @@ typedef struct Cookfs_Vfs {
     Cookfs_Fsindex *index;
     Cookfs_Writer *writer;
 
+#ifdef TCL_THREADS
+    Tcl_Mutex tdLock;
+    unsigned int tdNumRead;
+    unsigned int tdNumWrite;
+    Tcl_Condition tdCondRead;
+    Tcl_Condition tdCondWrite;
+    int tdLockCount;
+    Tcl_ThreadId tdOwner;
+#endif
+
     struct Cookfs_Vfs* nextVfs;
 } Cookfs_Vfs;