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0e1a1a8c47
Add umask to _virCommand, allow user to set umask to command. Set umask(002) to qemu process to overwrite the default umask of 022 set by many distros, so that unix sockets created for virtio-serial has expected permissions. Fix problem reported here: https://sourceware.org/bugzilla/show_bug.cgi?id=13078#c11 https://bugzilla.novell.com/show_bug.cgi?id=888166 To use virtio-serial device, unix socket created for chardev with default umask(022) has insufficient permissions. e.g.: -device virtio-serial \ -chardev socket,path=/tmp/foo,server,nowait,id=foo \ -device virtserialport,chardev=foo,name=org.fedoraproject.port.0 srwxr-xr-x 1 qemu qemu 0 21. Jul 14:19 /tmp/somefile.sock Other users in the same group (like real user, test engines, etc) cannot write to this socket. Signed-off-by: Chunyan Liu <cyliu@suse.com> Signed-off-by: Eric Blake <eblake@redhat.com>