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Code Issues Releases Activity

Move sigqueue_take() call into proc_reparent(), this fixed bugs where

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proc_reparent() is called but sigqueue_take() is forgotten.
This commit is contained in:
David Xu 2006-10-25 06:18:04 +00:00
parent 5b7aaa1a15
commit ff7668079f
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=163676
2 changed files with 4 additions and 9 deletions
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7
sys/kern/kern_exit.c
View File

@ -197,10 +197,6 @@ exit1(struct thread *td, int rv)
while (p->p_lock > 0)
msleep(&p->p_lock, &p->p_mtx, PWAIT, "exithold", 0);
PROC_LOCK(p->p_pptr);
sigqueue_take(p->p_ksi);
PROC_UNLOCK(p->p_pptr);
PROC_UNLOCK(p);
#ifdef AUDIT
@ -903,6 +899,9 @@ proc_reparent(struct proc *child, struct proc *parent)
if (child->p_pptr == parent)
return;
PROC_LOCK(child->p_pptr);
sigqueue_take(child->p_ksi);
PROC_UNLOCK(child->p_pptr);
LIST_REMOVE(child, p_sibling);
LIST_INSERT_HEAD(&parent->p_children, child, p_sibling);
child->p_pptr = parent;

6
sys/kern/sys_process.c
View File

@ -690,12 +690,8 @@ kern_ptrace(struct thread *td, int req, pid_t pid, void *addr, int data)
/* security check done above */
p->p_flag |= P_TRACED;
p->p_oppid = p->p_pptr->p_pid;
if (p->p_pptr != td->td_proc) {
PROC_LOCK(p->p_pptr);
sigqueue_take(p->p_ksi);
PROC_UNLOCK(p->p_pptr);
if (p->p_pptr != td->td_proc)
proc_reparent(p, td->td_proc);
}
data = SIGSTOP;
goto sendsig; /* in PT_CONTINUE below */