/* returns true if all allocations are completed */
static bool rq_alloc(grpc_exec_ctx *exec_ctx,
grpc_resource_quota *resource_quota) {
grpc_resource_user *resource_user;
while ((resource_user = rulist_pop_head(resource_quota,
GRPC_RULIST_AWAITING_ALLOCATION))) {
gpr_mu_lock(&resource_user->mu);
if (resource_user->free_pool < 0 &&
-resource_user->free_pool <= resource_quota->free_pool) {
int64_t amt = -resource_user->free_pool;
resource_user->free_pool = 0;
resource_quota->free_pool -= amt;
rq_update_estimate(resource_quota);
if (grpc_resource_quota_trace) {
gpr_log(GPR_DEBUG, "RQ %s %s: grant alloc %" PRId64
" bytes; rq_free_pool -> %" PRId64,
resource_quota->name, resource_user->name, amt,
resource_quota->free_pool);
}
} else if (grpc_resource_quota_trace && resource_user->free_pool >= 0) {
gpr_log(GPR_DEBUG, "RQ %s %s: discard already satisfied alloc request",
resource_quota->name, resource_user->name);
}
if (resource_user->free_pool >= 0) {
resource_user->allocating = false;
grpc_closure_list_sched(exec_ctx, &resource_user->on_allocated);
gpr_mu_unlock(&resource_user->mu);
} else {
rulist_add_head(resource_user, GRPC_RULIST_AWAITING_ALLOCATION);
gpr_mu_unlock(&resource_user->mu);
return false;
}
}
return true;
}
void grpc_tcp_server_unref(grpc_exec_ctx *exec_ctx, grpc_tcp_server *s) {
if (gpr_unref(&s->refs)) {
/* Complete shutdown_starting work before destroying. */
grpc_exec_ctx local_exec_ctx = GRPC_EXEC_CTX_INIT;
grpc_closure_list_sched(&local_exec_ctx, &s->shutdown_starting);
if (exec_ctx == NULL) {
grpc_exec_ctx_flush(&local_exec_ctx);
tcp_server_destroy(&local_exec_ctx, s);
grpc_exec_ctx_finish(&local_exec_ctx);
} else {
grpc_exec_ctx_finish(&local_exec_ctx);
tcp_server_destroy(exec_ctx, s);
}
}
}