include/pidfd-utils.h

   1 #ifndef UTIL_LINUX_PIDFD_UTILS
   2 #define UTIL_LINUX_PIDFD_UTILS
   3
   4 #if defined (__linux__)
   5 # include <sys/types.h>
   6 # include <sys/syscall.h>
   7 # ifndef HAVE_PIDFD_OPEN
   8 static inline int pidfd_send_signal(int pidfd, int sig, siginfo_t *info,
   9                                     unsigned int flags)
  10 {
  11         return syscall(SYS_pidfd_send_signal, pidfd, sig, info, flags);
  12 }
  13 # endif
  14 # ifndef HAVE_PIDFD_SEND_SIGNAL
  15 static inline int pidfd_open(pid_t pid, unsigned int flags)
  16 {
  17         return syscall(SYS_pidfd_open, pid, flags);
  18 }
  19 # endif
  20 # define UL_HAVE_PIDFD 1
  21 #endif
  22
  23 #endif