-#ifndef _LTTNG_GETCPU_H
-#define _LTTNG_GETCPU_H
-
/*
- * Copyright (c) 2011 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; only
- * version 2.1 of the License.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- * Lesser General Public License for more details.
+ * SPDX-License-Identifier: LGPL-2.1-only
*
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ * Copyright (C) 2011 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
*/
+#ifndef _LTTNG_GETCPU_H
+#define _LTTNG_GETCPU_H
+
#include <urcu/compiler.h>
#include <urcu/system.h>
#include <urcu/arch.h>
*/
#ifdef __linux__
-/* old uClibc versions didn't have sched_getcpu */
-#if defined(__UCLIBC__) && __UCLIBC_MAJOR__ == 0 && \
- (__UCLIBC_MINOR__ < 9 || \
- (__UCLIBC_MINOR__ == 9 && __UCLIBC_SUBLEVEL__ <= 32))
+#if !HAVE_SCHED_GETCPU
#include <sys/syscall.h>
#define __getcpu(cpu, node, cache) syscall(__NR_getcpu, cpu, node, cache)
/*
ret = __getcpu(&cpu, NULL, NULL);
if (caa_unlikely(ret < 0))
return 0;
- return c;
+ return cpu;
}
-#else /* __UCLIBC__ */
+#else /* HAVE_SCHED_GETCPU */
#include <sched.h>
/*
return 0;
return cpu;
}
-#endif /* __UCLIBC__ */
+#endif /* HAVE_SCHED_GETCPU */
#elif (defined(__FreeBSD__) || defined(__CYGWIN__))