do_jobctl_trap

Name:do_jobctl_trap - take care of ptrace jobctl traps* When PT_SEIZED, it's 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

Proto:static void do_jobctl_trap(void)

Type:void

Parameter:Nothing

2419

signal = signal

2420

signr = jobctl & signr of the last group stop

2422

If ptrace & SEIZE used, enable new behavior Then

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If Not hread group stop support, overloads group_exit_code too && Not (see SIGNAL_* flags below & job control stop in effect ) Then signr = SIGTRAP

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WARN_ON_ONCE(!signr)

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ptrace_do_notify(signr, signr | (Extended result codes which enabled by means other than options. << 8), child has stopped )

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Else

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WARN_ON_ONCE(!signr)

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This must be called with current->sighand->siglock held.* This should be the path for all ptrace stops.* We always set current->last_siginfo while stopped here.* That makes it a way to test a stopped process for

2432

**Caller**
Name	Describe
get_signal

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