'\" t
.\"     Title: do_jobctl_trap
.\"    Author: [FIXME: author] [see http://docbook.sf.net/el/author]
.\" Generator: DocBook XSL Stylesheets v1.79.1 <http://docbook.sf.net/>
.\"      Date: January 2017
.\"    Manual: Driver Basics
.\"    Source: Kernel Hackers Manual 4.8.15
.\"  Language: English
.\"
.TH "DO_JOBCTL_TRAP" "9" "January 2017" "Kernel Hackers Manual 4\&.8\&." "Driver Basics"
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.SH "NAME"
do_jobctl_trap \- take care of ptrace jobctl traps
.SH "SYNOPSIS"
.HP \w'void\ do_jobctl_trap('u
.BI "void do_jobctl_trap(" "void" ");"
.SH "ARGUMENTS"
.PP
\fIvoid\fR
.RS 4
no arguments
.RE
.SH "DESCRIPTION"
.PP
.PP
When PT_SEIZED, it\*(Aqs used for both group stop and explicit SEIZE/INTERRUPT traps\&. Both generate PTRACE_EVENT_STOP trap with accompanying siginfo\&. If stopped, lower eight bits of exit_code contain the stop signal; otherwise,
\fBSIGTRAP\fR\&.
.PP
When !PT_SEIZED, it\*(Aqs used only for group stop trap with stop signal number as exit_code and no siginfo\&.
.SH "CONTEXT"
.PP
Must be called with
\fIcurrent\fR\->sighand\->siglock held, which may be released and re\-acquired before returning with intervening sleep\&.
.SH "COPYRIGHT"
.br