| Age | Commit message (Collapse) | Author |
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Test that downgrading an rwlock does not result in a failure to
schedule coroutines queued on the rwlock.
The diagram associated with test_co_rwlock_downgrade() describes the
intended behaviour, but what was observed previously corresponds to:
| c1 | c2 | c3 | c4 |
|--------+------------+------------+----------|
| rdlock | | | |
| yield | | | |
| | wrlock | | |
| | <queued> | | |
| | | rdlock | |
| | | <queued> | |
| | | | wrlock |
| | | | <queued> |
| unlock | | | |
| yield | | | |
| | <dequeued> | | |
| | downgrade | | |
| | ... | | |
| | unlock | | |
| | | <dequeued> | |
| | | <queued> | |
This results in a failure...
ERROR:../tests/test-coroutine.c:369:test_co_rwlock_downgrade: assertion failed: (c3_done)
Bail out! ERROR:../tests/test-coroutine.c:369:test_co_rwlock_downgrade: assertion failed: (c3_done)
...as a result of the c3 coroutine failing to run to completion.
Signed-off-by: David Edmondson <david.edmondson@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20210325112941.365238-7-pbonzini@redhat.com
Message-Id: <20210309144015.557477-5-david.edmondson@oracle.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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Test that rwlock upgrade is fair, and that readers go back to sleep if
a writer is in line.
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Message-id: 20210325112941.365238-6-pbonzini@redhat.com
Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
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The main tests directory still looks very crowded, and it's not
clear which files are part of a unit tests and which belong to
a different test subsystem. Let's clean up the mess and move the
unit tests to a separate directory.
Message-Id: <20210310063314.1049838-1-thuth@redhat.com>
Acked-by: Paolo Bonzini <pbonzini@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>
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