diff options
| author | Jeff Garzik <jeff@garzik.org> | 2006-03-24 09:24:04 -0500 |
|---|---|---|
| committer | Jeff Garzik <jeff@garzik.org> | 2006-03-24 09:24:04 -0500 |
| commit | 11ed56fb7899f9eb9eaef8e5919db1bf08f1b07e (patch) | |
| tree | b01421cb139b11065d776ed361a7a12b3a1aecc9 /drivers/char/snsc_event.c | |
| parent | 54da9a3968448681d0ddf193ec90f2480c5cba1c (diff) | |
| parent | 2cc432eed0491df66e14b578139bba2c75fb3f9a (diff) | |
Merge branch 'upstream'
Conflicts:
drivers/scsi/sata_vsc.c
Diffstat (limited to 'drivers/char/snsc_event.c')
| -rw-r--r-- | drivers/char/snsc_event.c | 32 |
1 files changed, 24 insertions, 8 deletions
diff --git a/drivers/char/snsc_event.c b/drivers/char/snsc_event.c index baaa365285f..a4fa507eed9 100644 --- a/drivers/char/snsc_event.c +++ b/drivers/char/snsc_event.c @@ -5,7 +5,7 @@ * License. See the file "COPYING" in the main directory of this archive * for more details. * - * Copyright (C) 2004 Silicon Graphics, Inc. All rights reserved. + * Copyright (C) 2004-2006 Silicon Graphics, Inc. All rights reserved. */ /* @@ -187,7 +187,8 @@ scdrv_event_severity(int code) static void scdrv_dispatch_event(char *event, int len) { - int code, esp_code, src; + static int snsc_shutting_down = 0; + int code, esp_code, src, class; char desc[CHUNKSIZE]; char *severity; @@ -199,9 +200,25 @@ scdrv_dispatch_event(char *event, int len) /* how urgent is the message? */ severity = scdrv_event_severity(code); - if ((code & EV_CLASS_MASK) == EV_CLASS_PWRD_NOTIFY) { + class = (code & EV_CLASS_MASK); + + if (class == EV_CLASS_PWRD_NOTIFY || code == ENV_PWRDN_PEND) { struct task_struct *p; + if (snsc_shutting_down) + return; + + snsc_shutting_down = 1; + + /* give a message for each type of event */ + if (class == EV_CLASS_PWRD_NOTIFY) + printk(KERN_NOTICE "Power off indication received." + " Sending SIGPWR to init...\n"); + else if (code == ENV_PWRDN_PEND) + printk(KERN_CRIT "WARNING: Shutting down the system" + " due to a critical environmental condition." + " Sending SIGPWR to init...\n"); + /* give a SIGPWR signal to init proc */ /* first find init's task */ @@ -210,12 +227,11 @@ scdrv_dispatch_event(char *event, int len) if (p->pid == 1) break; } - if (p) { /* we found init's task */ - printk(KERN_EMERG "Power off indication received. Initiating power fail sequence...\n"); + if (p) { force_sig(SIGPWR, p); - } else { /* failed to find init's task - just give message(s) */ - printk(KERN_WARNING "Failed to find init proc to handle power off!\n"); - printk("%s|$(0x%x)%s\n", severity, esp_code, desc); + } else { + printk(KERN_ERR "Failed to signal init!\n"); + snsc_shutting_down = 0; /* so can try again (?) */ } read_unlock(&tasklist_lock); } else { |