Zig 0.17.0-dev (Split by item)

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fileUnlock

Uring.fileUnlock

fn fileUnlock(userdata: ?*anyopaque, file: File) void

File

lib/std/Io/Uring.zig:3941

Code

fn fileUnlock(userdata: ?*anyopaque, file: File) void {
    const ev: *Evented = @ptrCast(@alignCast(userdata));
    var sync: CancelRegion.Sync = .initBlocked(ev);
    defer sync.deinit(ev);
    ev.flock(&sync, file.handle, .none, .blocking) catch |err| switch (err) {
        error.Canceled => unreachable, // blocked
        error.WouldBlock => unreachable, // blocking
        error.SystemResources => return recoverableOsBugDetected(), // Resource deallocation.
        error.FileLocksUnsupported => return recoverableOsBugDetected(), // We already got the lock.
        error.Unexpected => return recoverableOsBugDetected(), // Resource deallocation must succeed.
    };
}