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2ec10b952b
EventNotifier right now cannot be used as an inter-thread communication primitive. It only works if something else (the kernel) sets the eventfd. Add a primitive to signal an EventNotifier that another thread is waiting on. Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Signed-off-by: Avi Kivity <avi@redhat.com>
29 lines
666 B
C
29 lines
666 B
C
/*
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* event notifier support
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*
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* Copyright Red Hat, Inc. 2010
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*
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* Authors:
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* Michael S. Tsirkin <mst@redhat.com>
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*
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* This work is licensed under the terms of the GNU GPL, version 2 or later.
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* See the COPYING file in the top-level directory.
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*/
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#ifndef QEMU_EVENT_NOTIFIER_H
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#define QEMU_EVENT_NOTIFIER_H
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#include "qemu-common.h"
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struct EventNotifier {
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int fd;
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};
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int event_notifier_init(EventNotifier *, int active);
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void event_notifier_cleanup(EventNotifier *);
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int event_notifier_get_fd(EventNotifier *);
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int event_notifier_set(EventNotifier *);
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int event_notifier_test_and_clear(EventNotifier *);
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int event_notifier_test(EventNotifier *);
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#endif
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