include/lttng/ust-getcpu.h

   1 /*
   2  * SPDX-License-Identifier: LGPL-2.1-only
   3  *
   4  * Copyright (C) 2014 Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   5  */
   6
   7 #ifndef LTTNG_UST_GETCPU_H
   8 #define LTTNG_UST_GETCPU_H
   9
  10 #include <stdint.h>
  11 #include <stddef.h>
  12 #include <lttng/ust-config.h>
  13
  14 /* Custom upgrade 2.12 to 2.13 */
  15
  16 #ifndef LTTNG_UST_CUSTOM_UPGRADE_CONFLICTING_SYMBOLS
  17 #define lttng_ust_getcpu_override       lttng_ust_getcpu_override1
  18 #endif
  19
  20 /*
  21  * Set getcpu override read callback. This callback should return the
  22  * current CPU number.
  23  */
  24 int lttng_ust_getcpu_override(int (*getcpu)(void));
  25
  26 #endif /* LTTNG_UST_GETCPU_H */