diff options
| author | Philip Guenthe <guenther@cvs.openbsd.org> | 2012-02-05 18:27:04 +0000 |
|---|---|---|
| committer | Philip Guenthe <guenther@cvs.openbsd.org> | 2012-02-05 18:27:04 +0000 |
| commit | 55d0786750a5e944a6568db889a9089afa12c553 (patch) | |
| tree | 89835e4d0bf53d7adb2709e6d78473987e114397 | |
| parent | 20b82834f8dd70932dddf6595eeb48f4a0ba102b (diff) | |
Fix handling of msg queues when in crash dump mode: the kernel structures
have changed, so update to match
ok miod@ blambert@
| -rw-r--r-- | usr.bin/ipcs/ipcs.c | 26 |
1 files changed, 16 insertions, 10 deletions
diff --git a/usr.bin/ipcs/ipcs.c b/usr.bin/ipcs/ipcs.c index 0e08268550e..4c3dbb28f86 100644 --- a/usr.bin/ipcs/ipcs.c +++ b/usr.bin/ipcs/ipcs.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ipcs.c,v 1.24 2011/04/06 11:36:26 miod Exp $ */ +/* $OpenBSD: ipcs.c,v 1.25 2012/02/05 18:27:03 guenther Exp $ */ /* $NetBSD: ipcs.c,v 1.25 2000/06/16 03:58:20 simonb Exp $ */ /*- @@ -650,6 +650,7 @@ void ipcs_kvm(void) { struct msginfo msginfo; + struct que msgque; struct msqid_ds *msqids; struct seminfo seminfo; struct semid_ds sem, **sema; @@ -668,8 +669,8 @@ ipcs_kvm(void) #define X_SEMU 2 {"_msginfo"}, #define X_MSGINFO 3 - {"_msqids"}, - #define X_MSQIDS 4 + {"_msg_queues"}, + #define X_MSG_QUEUES 4 {"_shminfo"}, #define X_SHMINFO 5 {"_shmsegs"}, @@ -706,21 +707,26 @@ ipcs_kvm(void) show_msgtotal(&msginfo); if (display & MSGINFO) { - if (kvm_read(kd, symbols[X_MSQIDS].n_value, + if (kvm_read(kd, symbols[X_MSG_QUEUES].n_value, &addr, sizeof(addr)) != sizeof(addr)) errx(1, "kvm_read (%s): %s", - symbols[X_MSQIDS].n_name, kvm_geterr(kd)); + symbols[X_MSG_QUEUES].n_name, + kvm_geterr(kd)); msqids = calloc(sizeof(struct msqid_ds), msginfo.msgmni); if (msqids == NULL) err(1, "calloc"); - if (kvm_read(kd, addr, msqids, - sizeof(struct msqid_ds) * msginfo.msgmni) != - sizeof(struct msqid_ds) * msginfo.msgmni) - errx(1, "kvm_read (msqids): %s", - kvm_geterr(kd)); + /* walk the TAILQ */ + while (addr != 0) { + if (kvm_read(kd, addr, &msgque, sizeof(msgque)) + != sizeof(msgque)) + errx(1, "kvm_read (%s): %s", + "msg que", kvm_geterr(kd)); + msqids[msgque.que_ix] = msgque.msqid_ds; + addr = (u_long)TAILQ_NEXT(&msgque, que_next); + } show_msginfo_hdr(); for (i = 0; i < msginfo.msgmni; i++) { |