XSI_SIGNALS

XSI Signals option group (placeholder). More...

Functions
int	killpg (pid_t pgrp, int sig)
	Send a signal to a process group (XSI extension).
int	sigaltstack (const stack_t *ZRESTRICT ss, stack_t *ZRESTRICT oss)
	Set or get the alternate signal stack (XSI extension).

Detailed Description

XSI Signals option group (placeholder).

See also

https://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_subprofiles.html

https://pubs.opengroup.org/onlinepubs/9699919799/xrat/V4_subprofiles.html

Function Documentation

killpg()

int killpg	(	pid_t	pgrp,
		int	sig
	)

Send a signal to a process group (XSI extension).

Parameters

pgrp	Process group ID (0 = calling process's group).
sig	Signal number.

Returns

0 on success, or -1 with errno set on failure.

See also

https://pubs.opengroup.org/onlinepubs/9699919799/functions/killpg.html

sigaltstack()

int sigaltstack	(	const stack_t *ZRESTRICT	ss,
		stack_t *ZRESTRICT	oss
	)

Set or get the alternate signal stack (XSI extension).

Parameters

ss	New alternate stack descriptor, or NULL.
oss	Output: previous descriptor, or NULL.

Returns

0 on success, or -1 with errno set on failure.

See also

https://pubs.opengroup.org/onlinepubs/9699919799/functions/sigaltstack.html