+++ /dev/null
-/*
- * SPDX-License-Identifier: LGPL-2.1-only
- *
- * Copyright (C) 2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- */
-
-#define _LGPL_SOURCE
-#include <error.h>
-#include <dlfcn.h>
-#include <stdlib.h>
-#include <usterr-signal-safe.h>
-#include <lttng/ust-getcpu.h>
-#include <urcu/system.h>
-#include <urcu/arch.h>
-
-#include "getenv.h"
-#include "../libringbuffer/getcpu.h"
-
-int (*lttng_get_cpu)(void);
-
-static
-void *getcpu_handle;
-
-int lttng_ust_getcpu_override(int (*getcpu)(void))
-{
- CMM_STORE_SHARED(lttng_get_cpu, getcpu);
- return 0;
-}
-
-void lttng_ust_getcpu_init(void)
-{
- const char *libname;
- void (*libinit)(void);
-
- if (getcpu_handle)
- return;
- libname = lttng_getenv("LTTNG_UST_GETCPU_PLUGIN");
- if (!libname)
- return;
- getcpu_handle = dlopen(libname, RTLD_NOW);
- if (!getcpu_handle) {
- PERROR("Cannot load LTTng UST getcpu override library %s",
- libname);
- return;
- }
- dlerror();
- libinit = (void (*)(void)) dlsym(getcpu_handle,
- "lttng_ust_getcpu_plugin_init");
- if (!libinit) {
- PERROR("Cannot find LTTng UST getcpu override library %s initialization function lttng_ust_getcpu_plugin_init()",
- libname);
- return;
- }
- libinit();
-}