da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.fp 5 CW

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.de Af

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.ds ;G \\*(;G\\f\\$1\\$3\\f\\$2

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.if !\\$4 .Af \\$2 \\$1 "\\$4" "\\$5" "\\$6" "\\$7" "\\$8" "\\$9"

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin..

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.de aF

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.ie \\$3 .ft \\$1

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.el \{\

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.ds ;G \&

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.nr ;G \\n(.f

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.Af "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" "\\$7" "\\$8" "\\$9"

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin\\*(;G

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.ft \\n(;G \}

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin..

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.de L

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.aF 5 \\n(.f "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" "\\$7"

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin..

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.de LR

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.aF 5 1 "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" "\\$7"

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin..

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.de RL

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.aF 1 5 "\\$1" "\\$2" "\\$3" "\\$4" "\\$5" "\\$6" "\\$7"

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin..

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.de EX \" start example

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.ta 1i 2i 3i 4i 5i 6i

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.PP

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.RS

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.PD 0

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.ft 5

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.nf

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin..

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.de EE \" end example

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.fi

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.ft

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.PD

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.RE

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.PP

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin..

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.TH SIG 3

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.SH NAME

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinsig \- signal interface routines

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.SH SYNOPSIS

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.L "#include <ast.h>"

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.L "#include <sig.h>"

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.sp

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.L "int sigunblock(int sig);"

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.L "int sigcritical(int op);"

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.SH DESCRIPTION

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.L sigunblock

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinis called to

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinunblocks the signal

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.L sig

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinfrom within a handler currently servicing

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.LR sig .

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.PP

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.L sigcritical

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chincontrols a critical region for the

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.LR SIGINT ,

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.L SIGQUIT

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinand

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.L SIGHUP

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinsignals.

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.L "op > 0"

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinpushes the region,

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.L "op == 0"

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinpops the region, and

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.L "op < 0"

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinreturns non-zero if any signals are being held in the current

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chincritical region.

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinSignal critical regions may be nested.

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinThe current critical region level is returned,

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.L \-1

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinon error.

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chin.SH "SEE ALSO"

da2e3ebdc1edfbc5028edf1354e7dd2fa69a7968chinsignal(2)