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| author | Paolo Bonzini <pbonzini@redhat.com> | 2017-06-29 15:27:40 +0200 |
|---|---|---|
| committer | Fam Zheng <famz@redhat.com> | 2017-07-17 11:28:15 +0800 |
| commit | 667221c10d05a22573dae1928880bca525f8cd20 (patch) | |
| tree | bb15947cc81b0073b1f4903b76036a2bf1306d9f /scripts/qapi-commands.py | |
| parent | a8c57408cd5443186c5b1c7a393702b316d4722b (diff) | |
| download | focaccia-qemu-667221c10d05a22573dae1928880bca525f8cd20.tar.gz focaccia-qemu-667221c10d05a22573dae1928880bca525f8cd20.zip | |
coroutine-lock: add qemu_co_rwlock_downgrade and qemu_co_rwlock_upgrade
These functions are more efficient in the presence of contention. qemu_co_rwlock_downgrade also guarantees not to block, which may be useful in some algorithms too. Reviewed-by: Eric Blake <eblake@redhat.com> Reviewed-by: Stefan Hajnoczi <stefanha@redhat.com> Reviewed-by: Fam Zheng <famz@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com> Message-Id: <20170629132749.997-3-pbonzini@redhat.com> Signed-off-by: Fam Zheng <famz@redhat.com>
Diffstat (limited to 'scripts/qapi-commands.py')
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