Signal Functions
[SB Library]

Signal Functions. More...

Defines
#define	MAX_SIGNALS   65
	Maximum number of signals to handle.
Typedefs
typedef void(*	sb_signal_handler_t )(int signum)
	Typedef signal handler callback function prototype.
Functions
int	sb_signal_init (void)
	Initialize signal module.
int	sb_signal_is_initialized (void)
	Function to check, if signal modul was already initialized.
int	sb_signal_set_handler (int signum, sb_signal_handler_t handler)
	Install specific signal handler.
int	sb_signal_restore_handler (int signum)
	Restore specified signal handler.
int	sb_signal_restore_all_handlers (void)
	Restore all signal handlers.

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Detailed Description

Signal Functions.

This module provides functions for handling signals.

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Function Documentation

int sb_signal_init (  void   )

Initialize signal module. Returns: 0 if successful, -1 if error Definition at line 43 of file sig.c. Referenced by sb_signal_is_initialized().

int sb_signal_is_initialized (  void   )

Function to check, if signal modul was already initialized. Returns: 1 if initialized, 0 otherwise Definition at line 57 of file sig.c. References sb_signal_init(). Referenced by sb_signal_restore_all_handlers(), sb_signal_restore_handler(), and sb_signal_set_handler().

int sb_signal_restore_all_handlers (  void   )

Restore all signal handlers. Returns: 0 if successful, -1 if error Definition at line 113 of file sig.c. References sb_signal_is_initialized(), and sb_signal_restore_handler(). Referenced by main().

int sb_signal_restore_handler (  int  signum  )

Restore specified signal handler. Parameters: signum  signal number to restore Returns: 0 if successful, -1 if error Definition at line 95 of file sig.c. References sb_signal_is_initialized(). Referenced by sb_signal_restore_all_handlers().

int sb_signal_set_handler (  int  signum, sb_signal_handler_t  handler )

Install specific signal handler. Parameters: signum  signal number to install handler  handler to install for this signal Returns: 0 if successful, -1 if error Definition at line 73 of file sig.c. References sb_signal_handler_t, and sb_signal_is_initialized(). Referenced by main().

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