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include/pidfd-utils: small cleanup 

Signed-off-by: Karel Zak <kzak@redhat.com>
This commit is contained in:
Karel Zak 2019-12-09 12:22:31 +01:00
parent e601521259
commit b6c3de881c
1 changed files with 7 additions and 4 deletions
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11
include/pidfd-utils.h
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@ -1,9 +1,10 @@
#ifndef UTIL_LINUX_PIDFD_UTILS
#define UTIL_LINUX_PIDFD_UTILS
#if defined (__linux__)
#if defined(__linux__) && defined(SYS_pidfd_send_signal)
# include <sys/types.h>
# include <sys/syscall.h>
# ifndef HAVE_PIDFD_OPEN
static inline int pidfd_send_signal(int pidfd, int sig, siginfo_t *info,
unsigned int flags)
@ -11,13 +12,15 @@ static inline int pidfd_send_signal(int pidfd, int sig, siginfo_t *info,
return syscall(SYS_pidfd_send_signal, pidfd, sig, info, flags);
}
# endif
# ifndef HAVE_PIDFD_SEND_SIGNAL
static inline int pidfd_open(pid_t pid, unsigned int flags)
{
return syscall(SYS_pidfd_open, pid, flags);
}
# endif
# define UL_HAVE_PIDFD 1
#endif
#endif
# define UL_HAVE_PIDFD 1
#endif /* __linux__ && SYS_pidfd_send_signal */
#endif /* UTIL_LINUX_PIDFD_UTILS */