sortix-mirror/kernel/include/sortix/kernel/signal.h

46 lines
1.5 KiB
C++

/*
* Copyright (c) 2011, 2012, 2013, 2014, 2018 Jonas 'Sortie' Termansen.
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*
* sortix/kernel/signal.h
* Asynchronous user-space thread interruption.
*/
#ifndef _INCLUDE_SORTIX_KERNEL_SIGNAL_H
#define _INCLUDE_SORTIX_KERNEL_SIGNAL_H
#include <sortix/signal.h>
#include <sortix/sigset.h>
#include <sortix/kernel/cpu.h>
#include <sortix/kernel/registers.h>
namespace Sortix {
extern "C" volatile unsigned long asm_signal_is_pending;
namespace Signal {
void Init();
inline bool IsPending() { return asm_signal_is_pending != 0; }
void UpdateMask(int how, const sigset_t* set, sigset_t* oldset);
void DispatchHandler(struct interrupt_context* intctx, void* user);
void ReturnHandler(struct interrupt_context* intctx, void* user);
} // namespace Signal
} // namespace Sortix
#endif