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Signal

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DESCRIPTION

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Class Summary

class Signal

{

public:

Signal(int sigNum);

int Block();

int IsBlocked();

int Unblock();

int IsPending();

int InstallHandler(void (*handler)(int));

int RemoveHandler();

int Caught();

void Catch();

protected:

}; // Signal

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DESCRIPTION

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class Signal
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Abstracts a UNIX signal.
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Signal(int sigNum);

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Signal(int sigNum)
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Constructor accepting a signal number (SIGHUP, SIGALRM, etc.).
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  Signal(int sigNum);

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int Block();

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int Block()
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Block the signal.
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  int Block();

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int IsBlocked();

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int IsBlocked()
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Returns 1 if signal is currently being blocked, else returns 0.
-------------------------------------------------------------------------

  int IsBlocked();

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int Unblock();

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int Unblock()
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Unblocks the signal.
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  int Unblock();

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int IsPending();

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int IsPending()
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Returns 1 if the signal is pending (and blocked), else returns 0.
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  int IsPending();

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int InstallHandler(void (*handler)(int));

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int InstallHandler(void (*handler)(int))
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Installs 'handler' as signal handler for the signal. Note that this class implements a stack of handlers, so you can push handlers onto the stack up to any depth.
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  int InstallHandler(void (*handler)(int));

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int RemoveHandler();

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int RemoveHandler()
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Removes the last installed signal handler for the signal.
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  int RemoveHandler();

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int Caught();

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int Caught()
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Returns 1 if the signal was caught, else returns 0.
-------------------------------------------------------------------------

  int Caught();

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void Catch();

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void Catch()
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Resets the 'caught' state of the signal. This is typically used after the class user has noted that the signal was caught (using Caught()).
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  void Catch();

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All Members

public:

int Block();

int IsBlocked();

int Unblock();

int IsPending();

int InstallHandler(void (*handler)(int));

int RemoveHandler();

int Caught();

void Catch();

protected:

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Ancestors

Class does not inherit from any other class.

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Descendants

Class is not inherited by any others.

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