diff options
author | jhb <jhb@FreeBSD.org> | 2012-08-22 20:00:41 +0000 |
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committer | jhb <jhb@FreeBSD.org> | 2012-08-22 20:00:41 +0000 |
commit | 9559a94c6bd31513aa1c178aed9fd5ee20d0186f (patch) | |
tree | 8d404195a9d4816387082b7992ec930534cb6846 /sys/kern/subr_witness.c | |
parent | 54fa7a2ba8515159f2f364fc6662bb0cf4263c67 (diff) | |
download | FreeBSD-src-9559a94c6bd31513aa1c178aed9fd5ee20d0186f.zip FreeBSD-src-9559a94c6bd31513aa1c178aed9fd5ee20d0186f.tar.gz |
Fix the 'show witness' DDB command to honor db_pager_quit.
Diffstat (limited to 'sys/kern/subr_witness.c')
-rw-r--r-- | sys/kern/subr_witness.c | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/sys/kern/subr_witness.c b/sys/kern/subr_witness.c index aeaa3d2..840eb46 100644 --- a/sys/kern/subr_witness.c +++ b/sys/kern/subr_witness.c @@ -947,6 +947,8 @@ witness_ddb_display_descendants(int(*prnt)(const char *fmt, ...), indent++; WITNESS_INDEX_ASSERT(w->w_index); for (i = 1; i <= w_max_used_index; i++) { + if (db_pager_quit) + return; if (w_rmatrix[w->w_index][i] & WITNESS_PARENT) witness_ddb_display_descendants(prnt, &w_data[i], indent); @@ -965,6 +967,8 @@ witness_ddb_display_list(int(*prnt)(const char *fmt, ...), /* This lock has no anscestors - display its descendants. */ witness_ddb_display_descendants(prnt, w, 0); + if (db_pager_quit) + return; } } @@ -986,12 +990,16 @@ witness_ddb_display(int(*prnt)(const char *fmt, ...)) */ prnt("Sleep locks:\n"); witness_ddb_display_list(prnt, &w_sleep); + if (db_pager_quit) + return; /* * Now do spin locks which have been acquired at least once. */ prnt("\nSpin locks:\n"); witness_ddb_display_list(prnt, &w_spin); + if (db_pager_quit) + return; /* * Finally, any locks which have not been acquired yet. @@ -1002,6 +1010,8 @@ witness_ddb_display(int(*prnt)(const char *fmt, ...)) continue; prnt("%s (type: %s, depth: %d)\n", w->w_name, w->w_class->lc_name, w->w_ddb_level); + if (db_pager_quit) + return; } } #endif /* DDB */ @@ -2398,6 +2408,8 @@ DB_SHOW_ALL_COMMAND(locks, db_witness_list_all) db_printf("Process %d (%s) thread %p (%d)\n", p->p_pid, p->p_comm, td, td->td_tid); witness_ddb_list(td); + if (db_pager_quit) + return; } } } |