rpmsq.h File Reference

#include <rpm/rpmsw.h>
#include <signal.h>

Include dependency graph for rpmsq.h:

Go to the source code of this file.

Typedefs
typedef struct rpmsig_s *	rpmsig
typedef struct rpmsqElem *	rpmsq
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...
pid_t	rpmsqFork (rpmsq sq)
	Fork a child process. More...
pid_t	rpmsqWait (rpmsq sq)
	Wait for child process to be reaped. More...
void *	rpmsqThread (void *(*start)(void *arg), void *arg)
	Call a function in a thread. More...
int	rpmsqJoin (void *thread)
	Wait for thread to terminate. More...
int	rpmsqThreadEqual (void *thread)
	Compare thread with current thread. More...
int	rpmsqExecve (const char **argv)
	Execute a command, returning its status. More...

Variables
int	_rpmsq_debug

Typedef Documentation

rpmsig

typedef struct rpmsig_s* rpmsig

Definition at line 21 of file rpmsq.h.

rpmsq

typedef struct rpmsqElem* rpmsq

Definition at line 25 of file rpmsq.h.

rpmsqAction_t

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 36 of file rpmsq.h.

Function Documentation

rpmsqAction()

void rpmsqAction

(

int

signum

)

Default signal handler.

Parameters

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

rpmsqEnable()

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

rpmsqExecve()

int rpmsqExecve

(

const char **

argv

)

Execute a command, returning its status.

rpmsqFork()

pid_t rpmsqFork

(

rpmsq

sq

)

Fork a child process.

Parameters

sq	scriptlet queue element

Returns

fork(2) pid

rpmsqIsCaught()

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

rpmsqJoin()

int rpmsqJoin

(

void *

thread

)

Wait for thread to terminate.

Parameters

thread

thread

Returns

0 on success

rpmsqThread()

void* rpmsqThread	(	void *(*)(void *arg)	start,
		void *	arg
	)

Call a function in a thread.

Parameters

start	function
arg	function argument

Returns

thread pointer (NULL on error)

rpmsqThreadEqual()

int rpmsqThreadEqual

(

void *

thread

)

Compare thread with current thread.

Parameters

thread

thread

Returns

0 if not equal

rpmsqWait()

pid_t rpmsqWait

(

rpmsq

sq

)

Wait for child process to be reaped.

Parameters

sq	scriptlet queue element

Returns

reaped child pid

Variable Documentation

_rpmsq_debug

int _rpmsq_debug