diff options
Diffstat (limited to 'sys/compat/svr4/svr4_misc.c')
| -rw-r--r-- | sys/compat/svr4/svr4_misc.c | 11 |
1 files changed, 8 insertions, 3 deletions
diff --git a/sys/compat/svr4/svr4_misc.c b/sys/compat/svr4/svr4_misc.c index 4d921b5..601d205 100644 --- a/sys/compat/svr4/svr4_misc.c +++ b/sys/compat/svr4/svr4_misc.c @@ -953,16 +953,19 @@ svr4_pfind(pid) { struct proc *p; + ALLPROC_LOCK(AP_SHARED); /* look in the live processes */ if ((p = pfind(pid)) != NULL) - return p; + goto out; /* look in the zombies */ for (p = zombproc.lh_first; p != 0; p = p->p_list.le_next) if (p->p_pid == pid) - return p; + break; +out: + ALLPROC_LOCK(AP_RELEASE); - return NULL; + return p; } @@ -1253,7 +1256,9 @@ loop: */ leavepgrp(q); + ALLPROC_LOCK(AP_EXCLUSIVE); LIST_REMOVE(q, p_list); /* off zombproc */ + ALLPROC_LOCK(AP_RELEASE); LIST_REMOVE(q, p_sibling); |
