qemu-char: ask and print error information from qemu-sockets
Before:
$ qemu-system-x86_64 -monitor tcp:localhost:6000
(starts despite error)
$ qemu-system-x86_64 -monitor tcp:foo.bar:12345
getaddrinfo(foo.bar,12345): Name or service not known
chardev: opening backend "socket" failed
$ qemu-system-x86_64 -monitor tcp:localhost:443,server=on
inet_listen_opts: bind(ipv4,127.0.0.1,443): Permission denied
inet_listen_opts: FAILED
chardev: opening backend "socket" failed
After:
$ x86_64-softmmu/qemu-system-x86_64 -monitor tcp:localhost:6000
x86_64-softmmu/qemu-system-x86_64: -monitor tcp:localhost:6000: Failed to connect to socket: Connection refused
chardev: opening backend "socket" failed
$ x86_64-softmmu/qemu-system-x86_64 -monitor tcp:foo.bar:12345
qemu-system-x86_64: -monitor tcp:foo.bar:12345: address resolution failed for foo.bar:12345: Name or service not known
chardev: opening backend "socket" failed
$ x86_64-softmmu/qemu-system-x86_64 -monitor tcp:localhost:443,server=on
qemu-system-x86_64: -monitor tcp:localhost:443,server=on: Failed to bind socket: Permission denied
chardev: opening backend "socket" failed
Reviewed-by: Luiz Capitulino <lcapitulino@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
1 file changed
