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| author | kib <kib@FreeBSD.org> | 2012-02-10 00:02:13 +0000 |
|---|---|---|
| committer | kib <kib@FreeBSD.org> | 2012-02-10 00:02:13 +0000 |
| commit | 956d09353b3831c6d61a9eee9ce9572333b1e8ed (patch) | |
| tree | 6c1604f05fbb306e388325c5cec342e42e38433c /sys/kern | |
| parent | 1a089455d64a86fb9e288851d23455f9390f4912 (diff) | |
| download | FreeBSD-src-956d09353b3831c6d61a9eee9ce9572333b1e8ed.zip FreeBSD-src-956d09353b3831c6d61a9eee9ce9572333b1e8ed.tar.gz | |
Mark the automatically attached child with PL_FLAG_CHILD in struct
lwpinfo flags, for PT_FOLLOWFORK auto-attachment.
In collaboration with: Dmitry Mikulin <dmitrym juniper net>
MFC after: 1 week
Diffstat (limited to 'sys/kern')
| -rw-r--r-- | sys/kern/kern_fork.c | 2 | ||||
| -rw-r--r-- | sys/kern/sys_process.c | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/sys/kern/kern_fork.c b/sys/kern/kern_fork.c index 60639c9..e447c93 100644 --- a/sys/kern/kern_fork.c +++ b/sys/kern/kern_fork.c @@ -1035,7 +1035,9 @@ fork_return(struct thread *td, struct trapframe *frame) p->p_oppid = p->p_pptr->p_pid; proc_reparent(p, dbg); sx_xunlock(&proctree_lock); + td->td_dbgflags |= TDB_CHILD; ptracestop(td, SIGSTOP); + td->td_dbgflags &= ~TDB_CHILD; } else { /* * ... otherwise clear the request. diff --git a/sys/kern/sys_process.c b/sys/kern/sys_process.c index 4510380..2060efe 100644 --- a/sys/kern/sys_process.c +++ b/sys/kern/sys_process.c @@ -1145,6 +1145,8 @@ kern_ptrace(struct thread *td, int req, pid_t pid, void *addr, int data) pl->pl_flags |= PL_FLAG_FORKED; pl->pl_child_pid = td2->td_dbg_forked; } + if (td2->td_dbgflags & TDB_CHILD) + pl->pl_flags |= PL_FLAG_CHILD; pl->pl_sigmask = td2->td_sigmask; pl->pl_siglist = td2->td_siglist; strcpy(pl->pl_tdname, td2->td_name); |
