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MFC r207847:

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For detach procfs ctl command, also clear P_STOPPED_TRACE process stop
flag, and for each thread, TDB_SUSPEND debug flag, same as it is done by
exit1() for orphaned debugee.
This commit is contained in:
Konstantin Belousov 2010-05-17 08:11:23 +00:00
parent e6c7d81538
commit c32fbf547b
1 changed files with 4 additions and 1 deletions
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5
sys/fs/procfs/procfs_ctl.c
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@ -110,6 +110,7 @@ static int
procfs_control(struct thread *td, struct proc *p, int op)
{
int error = 0;
struct thread *temp;
/*
* Attach - attaches the target process for debugging
@ -212,10 +213,12 @@ out:
}
/* not being traced any more */
p->p_flag &= ~P_TRACED;
p->p_flag &= ~(P_TRACED | P_STOPPED_TRACE);
/* remove pending SIGTRAP, else the process will die */
sigqueue_delete_proc(p, SIGTRAP);
FOREACH_THREAD_IN_PROC(p, temp)
temp->td_dbgflags &= ~TDB_SUSPEND;
PROC_UNLOCK(p);
/* give process back to original parent */