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sortix--sortix/sortix/signal.h

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/******************************************************************************
COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011.
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 <libmaxsi/signalnum.h>
namespace Sortix
{
#define SIGHUP 1 /* Hangup */
#define SIGINT 2 /* Interrupt */
#define SIGQUIT 3 /* Quit */
#define SIGILL 4 /* Illegal Instruction */
#define SIGTRAP 5 /* Trace/Breakpoint Trap */
#define SIGABRT 6 /* Abort */
#define SIGEMT 7 /* Emulation Trap */
#define SIGFPE 8 /* Arithmetic Exception */
#define SIGKILL 9 /* Killed */
#define SIGBUS 10 /* Bus Error */
#define SIGSEGV 11 /* Segmentation Fault */
#define SIGSYS 12 /* Bad System Call */
#define SIGPIPE 13 /* Broken Pipe */
#define SIGALRM 14 /* Alarm Clock */
#define SIGTERM 15 /* Terminated */
#define SIGUSR1 16 /* User Signal 1 */
#define SIGUSR2 17 /* User Signal 2 */
#define SIGCHLD 18 /* Child Status */
#define SIGPWR 19 /* Power Fail/Restart */
#define SIGWINCH 20 /* Window Size Change */
#define SIGURG 21 /* Urgent Socket Condition */
#define SIGSTOP 23 /* Stopped (signal) */
#define SIGTSTP 24 /* Stopped (user) */
#define SIGCONT 25 /* Continued */
#define SIGTTIN 26 /* Stopped (tty input) */
#define SIGTTOU 27 /* Stopped (tty output) */
#define SIGVTALRM 28 /* Virtual Timer Expired */
#define SIGXCPU 30 /* CPU time limit exceeded */
#define SIGXFSZ 31 /* File size limit exceeded */
#define SIGWAITING 32 /* All LWPs blocked */
#define SIGLWP 33 /* Virtual Interprocessor Interrupt for Threads Library */
#define SIGAIO 34 /* Asynchronous I/O */
struct Signal
{
int signum;
int returncode;
unsigned numpending;
CPU::InterruptRegisters regs;
Signal* nextsignal;
public:
Signal* Fork();
};
class SignalQueue
{
public:
SignalQueue();
~SignalQueue();
private:
Signal* queue;
Signal* last;
public:
bool Push(int signum);
Signal* Pop(Signal* current);
private:
void Insert(Signal* signal);
};
}
#endif