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| author | Emanuele Giuseppe Esposito <eesposit@redhat.com> | 2021-06-14 10:11:30 +0200 |
|---|---|---|
| committer | Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> | 2021-06-25 14:24:24 +0300 |
| commit | 55fa54a789f6e66fe9e7997429667e3e8917ffb9 (patch) | |
| tree | 6d9d0e779bb5b5f885ea0ddfc0028049866d1a8a /include/qemu/co-shared-resource.h | |
| parent | a7b4f8fc09ec62d09a11cce72a886c453636c547 (diff) | |
| download | focaccia-qemu-55fa54a789f6e66fe9e7997429667e3e8917ffb9.tar.gz focaccia-qemu-55fa54a789f6e66fe9e7997429667e3e8917ffb9.zip | |
co-shared-resource: protect with a mutex
co-shared-resource is currently not thread-safe, as also reported in co-shared-resource.h. Add a QemuMutex because co_try_get_from_shres can also be invoked from non-coroutine context. Reviewed-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com> Signed-off-by: Emanuele Giuseppe Esposito <eesposit@redhat.com> Message-Id: <20210614081130.22134-6-eesposit@redhat.com> Signed-off-by: Vladimir Sementsov-Ogievskiy <vsementsov@virtuozzo.com>
Diffstat (limited to 'include/qemu/co-shared-resource.h')
| -rw-r--r-- | include/qemu/co-shared-resource.h | 4 |
1 files changed, 1 insertions, 3 deletions
diff --git a/include/qemu/co-shared-resource.h b/include/qemu/co-shared-resource.h index 4e4503004c..78ca5850f8 100644 --- a/include/qemu/co-shared-resource.h +++ b/include/qemu/co-shared-resource.h @@ -26,15 +26,13 @@ #ifndef QEMU_CO_SHARED_RESOURCE_H #define QEMU_CO_SHARED_RESOURCE_H - +/* Accesses to co-shared-resource API are thread-safe */ typedef struct SharedResource SharedResource; /* * Create SharedResource structure * * @total: total amount of some resource to be shared between clients - * - * Note: this API is not thread-safe. */ SharedResource *shres_create(uint64_t total); |