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tweak to panic functions of mfs and vfs.

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. print newline
  . when recursive panic detected, don't simply return, confusing
    the caller, but print a diagnostic and exit
  . don't call sys_exit as this may confuse PM; it should be OK
    to call PM exit() nowadays.
This commit is contained in:
Ben Gras 2007-10-23 14:17:51 +00:00
parent 515e8216e1
commit e8aec69c7b
2 changed files with 21 additions and 21 deletions
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9
servers/mfs/utility.c
View file

@ -4,6 +4,7 @@
#include <string.h>
#include <minix/com.h>
#include <minix/callnr.h>
#include <stdlib.h>
#include "buf.h"
#include "inode.h"
@ -35,13 +36,15 @@ int num; /* number to go with it */
* inconsistency is detected, e.g., a programming error or illegal value of a
* defined constant.
*/
if (panicking) return; /* do not panic during a sync */
if (!panicking) { /* do not panic during a sync */
panicking = TRUE; /* prevent another panic during the sync */
printf("FS panic (%s): %s ", who, mess);
printf("MFS panic (%s): %s ", who, mess);
if (num != NO_NUM) printf("%d",num);
printf("\n");
(void) fs_sync(); /* flush everything to the disk */
sys_exit(SELF);
} else printf("MFS re-panic\n");
exit(1);
}
/*===========================================================================*

11
servers/vfs/utility.c
View file

@ -95,20 +95,17 @@ char *who; /* who caused the panic */
char *mess; /* panic message string */
int num; /* number to go with it */
{
/* Something awful has happened. Panics are caused when an internal
* inconsistency is detected, e.g., a programming error or illegal value of a
* defined constant.
*/
if (panicking) return; /* do not panic during a sync */
if (!panicking) { /* do not panic during a sync */
panicking = TRUE; /* prevent another panic during the sync */
printf("VFS panic (%s): %s ", who, mess);
if (num != NO_NUM) printf("%d",num);
printf("\n");
(void) do_sync(); /* flush everything to the disk */
sys_exit(SELF);
} else printf("VFS re-panic\n");
exit(1);
}
/*===========================================================================*
* isokendpt_f *
*===========================================================================*/