syscall: Add provideFile, provideHook and provideDirHook and mkdir stub

1 files changed, 32 insertions, 5 deletions

diff --git a/src/lib/vfs.zig b/src/lib/vfs.zig
index c324c48..798813f 100644
--- a/src/lib/vfs.zig
+++ b/src/lib/vfs.zig
@@ -22,18 +22,45 @@ pub const Stream = struct {
     readFn: ?ReadFn,
     writeFn: ?WriteFn,
 
-    pub const ReadFn = *const fn (context: u16, buffer: []u8) sysexchange.Result(usize);
-    pub const WriteFn = *const fn (context: u16, bytes: []const u8) sysexchange.Result(usize);
+    pub const ReadFn = *const fn (buffer: []u8) sysexchange.Result(usize);
+    pub const WriteFn = *const fn (bytes: []const u8) sysexchange.Result(usize);
 };
 
 // A file is a resource that creates a unique data stream with a driver.
-pub const File = struct {};
+pub const File = struct {
+    openFn: OpenFn,
+    readFn: ?ReadFn,
+    writeFn: ?WriteFn,
+    closeFn: ?CloseFn,
+
+    pub const OpenFn = *allowzero const fn (pid: u16) sysexchange.Result(*anyopaque);
+    pub const ReadFn = *const fn (context: *anyopaque, buffer: []u8) sysexchange.Result(usize);
+    pub const WriteFn = *const fn (context: *anyopaque, bytes: []const u8) sysexchange.Result(usize);
+    pub const CloseFn = *const fn (context: *anyopaque) void;
+};
 
 // A hook is a resource that invokes raw driver callbacks when interacted with.
-pub const Hook = struct {};
+pub const Hook = struct {
+    callback: Callback,
+
+    pub const Callback = *allowzero const fn (pid: u16, data: usize) sysexchange.Result(usize);
+};
+
+pub const MkdirOptions = packed struct(usize) {
+    full: u1,
+    reserved: u63,
+};
 
 // A directory hook is a resource that provides other resources via driver callbacks.
-pub const DirHook = struct {};
+pub const DirHook = struct {
+    provideFn: ProvideFn,
+    findFn: FindFn,
+    removeFn: RemoveFn,
+
+    pub const ProvideFn = *allowzero const fn (inode: Inode) sysexchange.Result(void);
+    pub const FindFn = *allowzero const fn (name: []const u8) ?Inode;
+    pub const RemoveFn = *allowzero const fn (name: []const u8) sysexchange.Result(void);
+};
 
 pub const Resource = union(enum) {
     stream: Stream,