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qemu-ga: use state dir from CONFIG_QEMU_LOCALSTATEDIR 

Has the side effect of changing the default directory used to
save the freeze status file from /tmp to ${prefix}/var/run.

This is a beneficial change for two reasons:

  1. FHS states that programs must not assume that files in /tmp will
     still exist between invocations of the program. This defeats
	 the purpose of the freeze status file

  2. FHS dictates that /var/run must be cleaned on boot, this
     ensures that a stale freeze status file will be removed on boot

Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
Reviewed-by: Paolo Bonzini <pbonzini@redhat.com>
Reviewed-by: Michael Roth <mdroth@linux.vnet.ibm.com>
Signed-off-by: Michael Roth <mdroth@linux.vnet.ibm.com>
This commit is contained in:
Luiz Capitulino 2012-10-03 18:35:58 -03:00 committed by Michael Roth
parent 785c23ae5c
commit 6a3c8c14c8
1 changed files with 2 additions and 2 deletions
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4
qemu-ga.c
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@ -40,8 +40,8 @@
#else
#define QGA_VIRTIO_PATH_DEFAULT "\\\\.\\Global\\org.qemu.guest_agent.0"
#endif
#define QGA_PIDFILE_DEFAULT "/var/run/qemu-ga.pid"
#define QGA_STATEDIR_DEFAULT "/tmp"
#define QGA_STATEDIR_DEFAULT CONFIG_QEMU_LOCALSTATEDIR "/run"
#define QGA_PIDFILE_DEFAULT QGA_STATEDIR_DEFAULT "/qemu-ga.pid"
#define QGA_SENTINEL_BYTE 0xFF
struct GAState {