ASSA::ChildStatusHandler Class Reference

A helper class of Fork. More...

#include <Fork.h>

Inheritance diagram for ASSA::ChildStatusHandler:

List of all members.

Public Member Functions
	ChildStatusHandler ()
int	handle_signal (int signum_)
	Signal handler callback.
int	exit_status () const
bool	caught () const
Private Attributes
int	m_exit_status
bool	m_caught

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Detailed Description

A helper class of Fork.

Definition at line 58 of file Fork.h.

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Constructor & Destructor Documentation

ASSA::ChildStatusHandler::ChildStatusHandler

(

)

[inline]

Definition at line 61 of file Fork.h.

        : m_exit_status (-1), m_caught (false) { /* no-op */ }

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Member Function Documentation

bool ASSA::ChildStatusHandler::caught

(

)

const [inline]

Returns:

true if the signal has been caught; false otherwise

Definition at line 73 of file Fork.h.

References m_caught.

Referenced by ASSA::Fork::Fork().

{ return m_caught; }

int ASSA::ChildStatusHandler::exit_status

(

)

const [inline]

Returns:

-1 if failed on wait(); otherwise an exit status of the child process as returned by either RETURN or EXIT

Definition at line 69 of file Fork.h.

References m_exit_status.

Referenced by ASSA::Fork::get_exit_status().

{ return m_exit_status; }

int ChildStatusHandler::handle_signal

(

int

signum_

)

[virtual]

Signal handler callback.

Returns:

0 on success, -1 on error

Reimplemented from ASSA::EventHandler.

Definition at line 135 of file Fork.cpp.

References DL, ASSA::FORK, m_caught, m_exit_status, and trace_with_mask.

{
    trace_with_mask("ChildStatusHandler::handle_signal", FORK);
    DL((FORK, "Caught signal # %d\n", signum_));

    if (signum_ == SIGCHLD) {
        int status;
        m_caught = true;
        pid_t ret = ::wait (&status);
        DL((FORK,"wait() = %d (PID)\n", ret));

        if (ret > 0 && (WIFEXITED (status))) {
            m_exit_status = WEXITSTATUS (status);
        }
        else {
            m_exit_status = ret;
        }
    }

    DL((FORK,"child exit_status = %d\n", m_exit_status));
    return 0;
}

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Member Data Documentation

bool ASSA::ChildStatusHandler::m_caught [private]

Definition at line 77 of file Fork.h.

Referenced by caught(), and handle_signal().

int ASSA::ChildStatusHandler::m_exit_status [private]

Definition at line 76 of file Fork.h.

Referenced by exit_status(), and handle_signal().

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

• /builddir/build/BUILD/libassa-3.5.0/assa/Fork.h
• /builddir/build/BUILD/libassa-3.5.0/assa/Fork.cpp