Signal Handling

Overview

// typedefs

typedef void apr_sigfunc_t(int);

// global functions

apr_sigfunc_t*
apr_signal(
    int signo,
    apr_sigfunc_t* func
);

const char*
apr_signal_description_get(int signum);

void
apr_signal_init(apr_pool_t* pglobal);

apr_status_t
apr_signal_block(int signum);

apr_status_t
apr_signal_unblock(int signum);

Detailed Documentation

Typedefs

typedef void apr_sigfunc_t(int)

Function prototype for signal handlers

Global Functions

apr_sigfunc_t*
apr_signal(
    int signo,
    apr_sigfunc_t* func
)

Set the signal handler function for a given signal

Parameters:

signo	The signal (eg… SIGWINCH)
func	the function to get called

const char*
apr_signal_description_get(int signum)

Get the description for a specific signal number

Parameters:

signum

The signal number

Returns:

The description of the signal

void
apr_signal_init(apr_pool_t* pglobal)

APR-private function for initializing the signal package

apr_status_t
apr_signal_block(int signum)

Block the delivery of a particular signal

Parameters:

signum

The signal number

Returns:

status

apr_status_t
apr_signal_unblock(int signum)

Enable the delivery of a particular signal

Parameters:

signum

The signal number

Returns:

status