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Loïc Grégoire
021e213fb2
Add a per-turnstile lock which is now held across propagation, instead of a per-chain lock. This should hopefully avoid scalability problems if many different turnstiles point to the same bucket.
28 lines
634 B
Zig
28 lines
634 B
Zig
const r = @import("root");
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const ke = r.ke;
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const kep = ke.private;
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const mm = r.mm;
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pub const thread = @import("thread.zig");
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pub var turnstile_zone: mm.zone.TypedZone(kep.turnstile.Turnstile) = undefined;
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fn turnstile_ctor(ts: *kep.turnstile.Turnstile) void {
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ts.* = .{
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.link = undefined,
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.next_free = null,
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.obj = undefined,
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.queues = undefined,
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.waiters = 0,
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.owners = .none,
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.lock = .init(),
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};
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ts.reset();
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}
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/// Initialize the process subsystem.
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pub fn init() void {
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turnstile_zone.init("turnstiles", .{ .ctor = turnstile_ctor });
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thread.init();
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}
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