tools/perf/util/cap.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __PERF_CAP_H
   3 #define __PERF_CAP_H
   4
   5 #include <stdbool.h>
   6 #include <linux/capability.h>
   7 #include <linux/compiler.h>
   8
   9 #ifdef HAVE_LIBCAP_SUPPORT
  10
  11 #include <sys/capability.h>
  12
  13 bool perf_cap__capable(cap_value_t cap);
  14
  15 #else
  16
  17 #include <unistd.h>
  18 #include <sys/types.h>
  19
  20 static inline bool perf_cap__capable(int cap __maybe_unused)
  21 {
  22         return geteuid() == 0;
  23 }
  24
  25 #endif /* HAVE_LIBCAP_SUPPORT */
  26
  27 /* For older systems */
  28 #ifndef CAP_SYSLOG
  29 #define CAP_SYSLOG      34
  30 #endif
  31
  32 #endif /* __PERF_CAP_H */