diff options
Diffstat (limited to 'sys/ddb')
| -rw-r--r-- | sys/ddb/db_ps.c | 11 |
1 files changed, 6 insertions, 5 deletions
diff --git a/sys/ddb/db_ps.c b/sys/ddb/db_ps.c index 05c0778..7025ee3 100644 --- a/sys/ddb/db_ps.c +++ b/sys/ddb/db_ps.c @@ -120,14 +120,15 @@ db_ps(dummy1, dummy2, dummy3, dummy4) } db_printf("%5d %8p %8p %4d %5d %5d %07x %-4s", p->p_pid, (volatile void *)p, (void *)p->p_uarea, - p->p_ucred ? p->p_ucred->cr_ruid : 0, pp->p_pid, - p->p_pgrp ? p->p_pgrp->pg_id : 0, p->p_flag, state); + p->p_ucred != NULL ? p->p_ucred->cr_ruid : 0, pp->p_pid, + p->p_pgrp != NULL ? p->p_pgrp->pg_id : 0, p->p_flag, + state); if (p->p_flag & P_KSES) { db_printf("(threaded) %s\n", p->p_comm); FOREACH_THREAD_IN_PROC(p, td) { db_printf( ". . . . . . . " ". thread %p . . . ", td); - if (td->td_wchan) { + if (td->td_wchan != NULL) { db_printf("SLP %6s %8p\n", td->td_wmesg, (void *)td->td_wchan); } else if (td->td_state == TDS_MTX) { @@ -139,10 +140,10 @@ db_ps(dummy1, dummy2, dummy3, dummy4) } } else { td = FIRST_THREAD_IN_PROC(p); - if (td->td_wchan) { + if (td != NULL && td->td_wchan != NULL) { db_printf(" %-6s %8p", td->td_wmesg, (void *)td->td_wchan); - } else if (td->td_state == TDS_MTX) { + } else if (td != NULL && td->td_state == TDS_MTX) { db_printf(" %6s %8p", td->td_mtxname, (void *)td->td_blocked); } else { |
