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Kernel: Add a mechanism for listening for changes to an inode.

The syscall is quite simple:

    int watch_file(const char* path, int path_length);

It returns a file descriptor referring to a "InodeWatcher" object in the
kernel. It becomes readable whenever something changes about the inode.

Currently this is implemented by hooking the "metadata dirty bit" in
Inode which isn't perfect, but it's a start. :^)
This commit is contained in:
Andreas Kling 2019-07-22 20:01:11 +02:00
parent a9adf4c95b
commit c8e2bb5605
12 changed files with 200 additions and 3 deletions

View file

@ -104,6 +104,7 @@ public:
void die();
void finalize();
int sys$watch_file(const char* path, int path_length);
int sys$dbgputch(u8);
int sys$dbgputstr(const u8*, int length);
int sys$dump_backtrace();