semaphore

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// vi:set ft=cpp: -*- Mode: C++ -*-
/*
 * (c) 2015 Alexander Warg <alexander.warg@kernkonzept.com>
 *
 * License: see LICENSE.spdx (in this directory or the directories above)
 */
 
#pragma once
 
#include <l4/sys/irq>
#include <l4/sys/semaphore.h>
 
namespace L4 {
 
struct Semaphore : Kobject_t<Semaphore, Triggerable, L4_PROTO_SEMAPHORE>
{
  l4_msgtag_t up(l4_utcb_t *utcb = l4_utcb()) noexcept
  { return trigger(utcb); }
  l4_msgtag_t up(l4_utcb_t *utcb = l4_utcb()) noexcept {…}
 
  l4_msgtag_t down(l4_timeout_t timeout = L4_IPC_NEVER,
                   l4_utcb_t *utcb = l4_utcb()) noexcept
  { return l4_semaphore_down_u(cap(), timeout, utcb);  }
  l4_msgtag_t down(l4_timeout_t timeout = L4_IPC_NEVER, {…}
};
struct Semaphore : Kobject_t<Semaphore, Triggerable, L4_PROTO_SEMAPHORE> {…};
 
}