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io: add QIOChannelCommand class

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Add a QIOChannel subclass that is capable of performing I/O
to/from a separate process, via a pair of pipes. The command
can be used for unidirectional or bi-directional I/O.

Signed-off-by: Daniel P. Berrange <berrange@redhat.com>
This commit is contained in:
Daniel P. Berrange 2015-08-27 16:25:30 +01:00
parent 2d1d0e70cf
commit 195e14d026
7 changed files with 589 additions and 0 deletions
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@ -1858,3 +1858,9 @@ qio_channel_websock_handshake_pending(void *ioc, int status) "Websock handshake
qio_channel_websock_handshake_reply(void *ioc) "Websock handshake reply ioc=%p"
qio_channel_websock_handshake_fail(void *ioc) "Websock handshake fail ioc=%p"
qio_channel_websock_handshake_complete(void *ioc) "Websock handshake complete ioc=%p"
# io/channel-command.c
qio_channel_command_new_pid(void *ioc, int writefd, int readfd, int pid) "Command new pid ioc=%p writefd=%d readfd=%d pid=%d"
qio_channel_command_new_spawn(void *ioc, const char *binary, int flags) "Command new spawn ioc=%p binary=%s flags=%d"
qio_channel_command_abort(void *ioc, int pid) "Command abort ioc=%p pid=%d"
qio_channel_command_wait(void *ioc, int pid, int ret, int status) "Command abort ioc=%p pid=%d ret=%d status=%d"