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2009-04-14 Felix Zielcke <fzielcke@z-51.de>

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* util/hostdisk.c [__FreeBSD__ || __FreeBSD_kernel__]: Include
	<sys/param.h> and <sys/sysctl.h>.
	(open_device) [__FreeBSD__ || __FreeBSD_kernel_]: Use sysctlgetbyname()
	to add 0x10 to `kern.geom.debugflags' if it's not already set, before
	opening the device and reset them afterwards.
This commit is contained in:
fzielcke 2009-04-14 07:01:34 +00:00
parent 1f1f580c2f
commit e25b5a8c6c
2 changed files with 38 additions and 0 deletions
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8
ChangeLog
View file

@ -1,3 +1,11 @@
2009-04-14 Felix Zielcke <fzielcke@z-51.de>
* util/hostdisk.c [__FreeBSD__ || __FreeBSD_kernel__]: Include
<sys/param.h> and <sys/sysctl.h>.
(open_device) [__FreeBSD__ || __FreeBSD_kernel_]: Use sysctlgetbyname()
to add 0x10 to `kern.geom.debugflags' if it's not already set, before
opening the device and reset them afterwards.
2009-04-13 Pavel Roskin <proski@gnu.org>
* conf/common.rmk (grub_fstest_SOURCES): Add normal/datetime.c.

30
util/hostdisk.c
View file

@ -88,6 +88,8 @@ struct hd_geometry
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
# include <sys/disk.h> /* DIOCGMEDIASIZE */
# include <sys/param.h>
# include <sys/sysctl.h>
#endif
struct
@ -340,7 +342,35 @@ open_device (const grub_disk_t disk, grub_disk_addr_t sector, int flags)
sector -= disk->partition->start;
}
#else /* ! __linux__ */
#if defined (__FreeBSD__) || defined(__FreeBSD_kernel__)
int sysctl_flags, sysctl_oldflags;
const size_t sysctl_size = sizeof (sysctl_flags);
if (sysctlbyname ("kern.geom.debugflags", &sysctl_oldflags, &sysctl_size, NULL, 0))
{
grub_error (GRUB_ERR_BAD_DEVICE, "cannot get current flags of sysctl kern.geom.debugflags");
return -1;
}
sysctl_flags = sysctl_oldflags | 0x10;
if (! (sysctl_oldflags & 0x10)
&& sysctlbyname ("kern.geom.debugflags", NULL , 0, &sysctl_flags, sysctl_size))
{
grub_error (GRUB_ERR_BAD_DEVICE, "cannot set flags of sysctl kern.geom.debugflags");
return -1;
}
#endif
fd = open (map[disk->id].device, flags);
#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
if (! (sysctl_oldflags & 0x10)
&& sysctlbyname ("kern.geom.debugflags", NULL , 0, &sysctl_oldflags, sysctl_size))
{
grub_error (GRUB_ERR_BAD_DEVICE, "cannot set flags back to the old value for sysctl kern.geom.debugflags");
return -1;
}
#endif
if (fd < 0)
{
grub_error (GRUB_ERR_BAD_DEVICE, "cannot open `%s' in open_device()", map[disk->id].device);