diff options
Diffstat (limited to 'sys/compat/svr4/svr4_misc.c')
| -rw-r--r-- | sys/compat/svr4/svr4_misc.c | 10 |
1 files changed, 9 insertions, 1 deletions
diff --git a/sys/compat/svr4/svr4_misc.c b/sys/compat/svr4/svr4_misc.c index 4771d90c80b9..9dcfa7f567c8 100644 --- a/sys/compat/svr4/svr4_misc.c +++ b/sys/compat/svr4/svr4_misc.c @@ -1017,7 +1017,9 @@ svr4_sys_pgrpsys(td, uap) /*FALLTHROUGH*/ case 0: /* getpgrp() */ + PROC_LOCK(p); *retval = p->p_pgrp->pg_id; + PROC_UNLOCK(p); return 0; case 2: /* getsid(pid) */ @@ -1222,7 +1224,9 @@ svr4_sys_waitsys(td, uap) break; case SVR4_P_PGID: + PROC_LOCK(td->td_proc); SCARG(uap, id) = -td->td_proc->p_pgid; + PROC_UNLOCK(td->td_proc); break; case SVR4_P_ALL: @@ -1283,8 +1287,12 @@ loop: if (q->p_oppid != q->p_pptr->p_pid) { PROC_UNLOCK(q); t = pfind(q->p_oppid); + if (t == NULL) { + t = initproc; + PROC_LOCK(initproc); + } PROC_LOCK(q); - proc_reparent(q, t ? t : initproc); + proc_reparent(q, t); q->p_oppid = 0; q->p_flag &= ~(P_TRACED | P_WAITED); PROC_UNLOCK(q); |