Signal Queue API.

Typedefs
typedef void(*	rpmsqAction_t )(int signum)
	Default signal handler prototype. More...

Functions
int	rpmsqIsCaught (int signum)
	Test if given signal has been caught (while signals blocked). More...
void	rpmsqAction (int signum)
	Default signal handler. More...
int	rpmsqEnable (int signum, rpmsqAction_t handler)
	Enable or disable a signal handler. More...

Detailed Description

Typedef Documentation

typedef void(* rpmsqAction_t)(int signum)

Default signal handler prototype.

Parameters

signum	signal number
info	(siginfo_t) signal info
context	signal context

Definition at line 24 of file rpmsq.h.

Function Documentation

void rpmsqAction

(

int

signum

)

Default signal handler.

Parameters

signum	signal number
info	(siginfo_t) signal info
context	signal context

int rpmsqEnable	(	int	signum,
		rpmsqAction_t	handler
	)

Enable or disable a signal handler.

Parameters

signum	signal to enable (or disable if negative)
handler	sa_sigaction handler (or NULL to use rpmsqHandler())

Returns

no. of refs, -1 on error

int rpmsqIsCaught

(

int

signum

)

Test if given signal has been caught (while signals blocked).

Similar to sigismember() but operates on internal signal queue.

Parameters

signum

signal to test for

Returns

1 if caught, 0 if not and -1 on error