liblttng-ust/compat.h

   1 #ifndef _UST_COMPAT_H
   2 #define _UST_COMPAT_H
   3
   4 /*
   5  * Copyright (C) 2011   Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
   6  *
   7  * THIS MATERIAL IS PROVIDED AS IS, WITH ABSOLUTELY NO WARRANTY EXPRESSED
   8  * OR IMPLIED.  ANY USE IS AT YOUR OWN RISK.
   9  *
  10  * Permission is hereby granted to use or copy this program
  11  * for any purpose,  provided the above notices are retained on all copies.
  12  * Permission to modify the code and to distribute modified code is granted,
  13  * provided the above notices are retained, and a notice that the code was
  14  * modified is included with the above copyright notice.
  15  */
  16
  17 #include <sys/syscall.h>
  18
  19 #ifdef __UCLIBC__
  20 #define __getcpu(cpu, node, cache)      syscall(__NR_getcpu, cpu, node, cache)
  21 static inline
  22 int sched_getcpu(void)
  23 {
  24         int c, s;
  25
  26         s = __getcpu(&c, NULL, NULL);
  27         return (s == -1) ? s : c;
  28 }
  29 #endif  /* __UCLIBC__ */
  30 #endif /* _UST_COMPAT_H */