nghttp3_conn_shutdown
Synopsis
#include <nghttp3/nghttp3.h>
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int nghttp3_conn_shutdown(nghttp3_conn *conn)
nghttp3_conn_shutdown()starts graceful shutdown. It should be called afternghttp3_conn_submit_shutdown_notice()and a couple of RTTs. After calling this function, the local endpoint starts rejecting new incoming streams. The existing streams are processed normally. See alsonghttp3_conn_is_drained().This function returns 0 if it succeeds, or one of the following negative error codes:
NGHTTP3_ERR_NOMEMOut of memory.