Zig 0.17.0-dev (Split by item)

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waitUncancelable

Blocks until a permit is available and consumes a single one.

File

lib/std/Io/Semaphore.zig:54

Code

pub fn waitUncancelable(s: *Semaphore, io: Io) void {
    s.mutex.lockUncancelable(io);
    defer s.mutex.unlock(io);
    while (s.permits == 0) s.cond.waitUncancelable(io, &s.mutex);
    s.permits -= 1;
    if (s.permits > 0) s.cond.signal(io);
}