pfc::nix_event

#include <nix-objects.h>

Public Member Functions
	nix_event ()
	~nix_event ()
int	get_handle () const
bool	is_set ()
void	set_state (bool state)
bool	wait_for (double p_timeout_seconds)

Static Public Member Functions
static int	g_twoEventWait (nix_event &ev1, nix_event &ev2, double timeout)
static int	g_twoEventWait (int h1, int h2, double timeOut)
static bool	g_wait_for (int p_event, double p_timeout_seconds)

Private Member Functions
	nix_event (nix_event const &)
void	operator= (nix_event const &)

Private Attributes
int	m_fd [2]

Detailed Description

Definition at line 70 of file nix-objects.h.

Constructor & Destructor Documentation

pfc::nix_event::nix_event

(

)

Definition at line 126 of file nix-objects.cpp.

                         {
        createPipe( m_fd );
        setNonBlocking( m_fd[0] );
        setNonBlocking( m_fd[1] );
    }

pfc::nix_event::~nix_event

(

)

Definition at line 131 of file nix-objects.cpp.

                          {
        close( m_fd[0] );
        close( m_fd[1] );
    }

pfc::nix_event::nix_event ( nix_event const &  )

private

Member Function Documentation

int pfc::nix_event::g_twoEventWait ( nix_event &  ev1, nix_event &  ev2, double  timeout  )

static

Definition at line 170 of file nix-objects.cpp.

                                                                                    {
        return g_twoEventWait( ev1.get_handle(), ev2.get_handle(), timeout );
    }

int pfc::nix_event::g_twoEventWait ( int  h1, int  h2, double  timeOut  )

static

Definition at line 158 of file nix-objects.cpp.

                                                                  {
        fdSelect sel;
        sel.Reads += h1;
        sel.Reads += h2;
        int state = sel.Select( timeout );
        if (state < 0) throw exception_nix();
        if (state == 0) return 0;
        if (sel.Reads[ h1 ] ) return 1;
        if (sel.Reads[ h2 ] ) return 2;
        crash(); // should not get here
        return 0;
    }

bool pfc::nix_event::g_wait_for ( int  p_event, double  p_timeout_seconds  )

static

Definition at line 155 of file nix-objects.cpp.

                                                                      {
        return fdWaitRead( p_event, p_timeout_seconds );
    }

int pfc::nix_event::get_handle ( ) const

inline

Definition at line 83 of file nix-objects.h.

{return m_fd[0]; }

bool pfc::nix_event::is_set ( )

inline

Definition at line 77 of file nix-objects.h.

{return wait_for(0); }

void pfc::nix_event::operator= ( nix_event const &  )

private

void pfc::nix_event::set_state

(

bool

state

)

Definition at line 136 of file nix-objects.cpp.

                                          {
        if (state) {
            // Ensure that there is a byte in the pipe
            if (!fdCanRead(m_fd[0] ) ) {
                uint8_t dummy = 0;
                write( m_fd[1], &dummy, 1);
            }
        } else {
            // Keep reading until clear
            for(;;) {
                uint8_t dummy;
                if (read(m_fd[0], &dummy, 1 ) != 1) break;
            }
        }
    }

bool pfc::nix_event::wait_for

(

double

p_timeout_seconds

)

Definition at line 152 of file nix-objects.cpp.

                                                       {
        return fdWaitRead( m_fd[0], p_timeout_seconds );
    }

Field Documentation

int pfc::nix_event::m_fd[2]

private

Definition at line 92 of file nix-objects.h.

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The documentation for this class was generated from the following files:

• pfc/nix-objects.h
• pfc/nix-objects.cpp