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As spotted by Aneesh, some users pass a NULL opaque so we need to be more
aggressive in checking whether a user means to unregister.
Also fix a double free caused by tag not being reset to zero after delete.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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This patch changes qemu_set_fd_handler to be implemented in terms of
g_io_add_watch(). The semantics are a bit different so some glue is required.
qemu_set_fd_handler2 is much harder to convert because of its use of polling.
The glib main loop has the major of advantage of having a proven thread safe
architecture. By using the glib main loop instead of our own, it will allow us
to eventually introduce multiple I/O threads.
I'm pretty sure that this will work on Win32, but I would appreciate some help
testing. I think the semantics of g_io_channel_unix_new() are really just tied
to the notion of a "unix fd" and not necessarily unix itself.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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qemu_malloc/qemu_free no longer exist after this commit.
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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SLIRP -smb support wants to fork a process and forget about reaping it.
To please it, add a generic service to register a process id and let
QEMU reap it. In the future it could be enhanced to pass a status,
but this would be unused.
With this in place, the SIGCHLD signal handler would not stomp on pclose
anymore.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
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