mirror of
https://gitlab.com/sortix/sortix.git
synced 2023-02-13 20:55:38 -05:00
62 lines
1.7 KiB
C++
62 lines
1.7 KiB
C++
/*******************************************************************************
|
|
|
|
Copyright(C) Jonas 'Sortie' Termansen 2011, 2012.
|
|
|
|
This file is part of Sortix.
|
|
|
|
Sortix is free software: you can redistribute it and/or modify it under the
|
|
terms of the GNU General Public License as published by the Free Software
|
|
Foundation, either version 3 of the License, or (at your option) any later
|
|
version.
|
|
|
|
Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
|
|
FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
|
|
details.
|
|
|
|
You should have received a copy of the GNU General Public License along with
|
|
Sortix. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
signal.h
|
|
Classes and functions making it easier to handle Unix signals.
|
|
|
|
*******************************************************************************/
|
|
|
|
#ifndef SORTIX_SIGNAL_H
|
|
#define SORTIX_SIGNAL_H
|
|
|
|
#include "cpu.h"
|
|
|
|
namespace Sortix {
|
|
|
|
extern "C" volatile unsigned long asm_signal_is_pending;
|
|
|
|
namespace Signal {
|
|
|
|
class Queue
|
|
{
|
|
public:
|
|
Queue();
|
|
|
|
// TODO: This is the wrong data structure for the problem!
|
|
private:
|
|
bool pending[SIG_MAX_NUM];
|
|
|
|
// TODO: This is not SMP ready:
|
|
// To avoid race conditions, these should be called with interrupts off.
|
|
public:
|
|
void Push(int signum);
|
|
int Pop(int cursig);
|
|
|
|
};
|
|
|
|
void Init();
|
|
int Priority(int signum);
|
|
void Dispatch(CPU::InterruptRegisters* regs, void* user = NULL);
|
|
void Return(CPU::InterruptRegisters* regs, void* user = NULL);
|
|
inline bool IsPending() { return asm_signal_is_pending != 0; }
|
|
|
|
} // namespace Signal
|
|
} // namespace Sortix
|
|
|
|
#endif
|