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socket_connect() sets non-blocking on TCP or UNIX domain sockets if a
callback function is passed. Do the same for file descriptor passing,
otherwise we could unexpectedly be using a blocking file descriptor.
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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The fcntl(fd, F_SETFL, O_NONBLOCK) flag is not specific to sockets.
Rename to qemu_set_nonblock() just like qemu_set_cloexec().
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
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# By Kevin Wolf (12) and Peter Lieven (2)
# Via Kevin Wolf
* kwolf/for-anthony:
nbd: Check against invalid option combinations
nbd: Use default port if only host is specified
block: Allow omitting the file name when using driver-specific options
block: Make find_image_format safe with NULL filename
block: Rename variable to avoid shadowing
block: Introduce .bdrv_parse_filename callback
nbd: Accept -drive options for the network connection
nbd: Remove unused functions
nbd: Keep hostname and port separate
qemu-socket: Make socket_optslist public
block: Pass bdrv_file_open() options to block drivers
block: Add options QDict to bdrv_file_open() prototypes
block: complete all IOs before resizing a device
Revert "block: complete all IOs before .bdrv_truncate"
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The NBD block supports an URL syntax, for which a URL parser returns
separate hostname and port fields. It also supports the traditional qemu
syntax encoded in a filename. Until now, after parsing the URL to get
each piece of information, a new string is built to be fed to socket
functions.
Instead of building a string in the URL case that is immediately parsed
again, parse the string in both cases and use the QemuOpts interface to
qemu-sockets.c.
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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Allow other users to create the QemuOpts needed for inet_connect_opts().
Signed-off-by: Kevin Wolf <kwolf@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
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Instead of adding missing type casts which are needed by MinGW for the
4th argument, the patch uses qemu_setsockopt which was invented for this
purpose.
Signed-off-by: Stefan Weil <sw@weilnetz.de>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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This patch adds 'udp' support to qapi.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
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Right now the inet connect code tries all available addresses but until one
doesn't fail. It passes local_err each time without clearing it from the
previous failure. This can trigger an assert since the inet connect code
tries to set an error on an object != NULL.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Amit Shah <amit.shah@redhat.com>
Message-id: 16c806d60aa5e9660ed7751bb4e37dcd278f97f0.1362505276.git.amit.shah@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Commit 6daf194d and be62a2eb got rid of a bunch, but they keep coming
back. Tracked down with this Coccinelle semantic patch:
@r@
expression err, eno, cls, fmt;
position p;
@@
(
error_report(fmt, ...)@p
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error_set(err, cls, fmt, ...)@p
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error_set_errno(err, eno, cls, fmt, ...)@p
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error_setg(err, fmt, ...)@p
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error_setg_errno(err, eno, fmt, ...)@p
)
@script:python@
fmt << r.fmt;
p << r.p;
@@
if "\\n" in str(fmt):
print "%s:%s:%s:%s" % (p[0].file, p[0].line, p[0].column, fmt)
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-id: 1360354939-10994-4-git-send-email-armbru@redhat.com
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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