/usr/include/falcon/signals_posix.h is in falconpl-dev 0.9.6.9-git20120606-2.1+b1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 | /*
FALCON - The Falcon Programming Language.
FILE: signals_posix.h
POSIX-specific signal handling
-------------------------------------------------------------------
Author: Jan Dvorak
Begin: Fri, 12 Feb 2010 11:23:13 +0100
-------------------------------------------------------------------
(C) Copyright 2009: the FALCON developers (see list in AUTHORS file)
See LICENSE file for licensing details.
*/
#ifndef FALCON_SIGNALS_POSIX_H
#define FALCON_SIGNALS_POSIX_H
/* \file
POSIX signals handling.
*/
#include <falcon/vm.h>
#include <falcon/vmmsg.h>
#include <falcon/mt.h>
#include <signal.h>
namespace Falcon {
/*
* POSIX signal to VM Message translator.
*/
class FALCON_DYN_CLASS SignalReceiver: public Runnable, public BaseAlloc
{
protected:
/*
* VM to send messages based on signals to.
*/
VMachine *m_targetVM;
/*
* Thread waiting for signals to be delivered as long
* as the shallRun is true.
*/
SysThread *m_thread;
bool m_shallRun;
/*
* Wait for signals in ->sigset while ->shallRun is true.
*/
void *run();
/*
* Function called from our signal handler to deliver
* signal information to the helper thread.
*/
void deliver(int signum, siginfo_t *siginfo);
/*
* Wake up the helper thread to check ->shallRun.
*/
void wakeup(void);
/*
* For access to ->deliver().
*/
friend void signal_handler(int signum, siginfo_t *siginfo, void *ctx);
public:
/*
* Initializes signal receiver with a target VM.
*/
SignalReceiver(VMachine *targetVM);
/*
* Waits for the helper thread to stop.
*/
~SignalReceiver();
/*
* Starts the helper thread.
*/
void start();
/*
* Asks thread to exit and waits for that.
*/
void stop();
/*
* Trap given signal.
*/
bool trap(int signum);
/*
* Stop traping given signal.
*/
bool reset(int signum);
};
/*
* Global signal receiver instance.
*/
extern SignalReceiver *signalReceiver;
}
#endif
// vim: et ts=3 sw=3 :
/* end of signals_posix.h */
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