int nghttp2_submit_priority(nghttp2_session *session, uint8_t flags, int32_t stream_id, const nghttp2_priority_spec *pri_spec)
Submits PRIORITY frame to change the priority of stream stream_id to the priority specification pri_spec.
The flags is currently ignored and should be
The pri_spec is priority specification of this request.
NULLis not allowed for this function. To specify the priority, use
nghttp2_priority_spec_init(). This function will copy its data members.
pri_spec->weightmust be in [
NGHTTP2_MAX_WEIGHT], inclusive. If
pri_spec->weightis strictly less than
NGHTTP2_MIN_WEIGHT, it becomes
NGHTTP2_MIN_WEIGHT. If it is strictly greater than
NGHTTP2_MAX_WEIGHT, it becomes
nghttp2_settings_id.NGHTTP2_SETTINGS_NO_RFC7540_PRIORITIESof value of 1 is received by a remote endpoint, this function does nothing and returns 0.
This function returns 0 if it succeeds, or one of the following negative error codes:
Out of memory.
The stream_id is 0; or the pri_spec is NULL; or trying to depend on itself.