1 files changed, 28 insertions, 0 deletions
diff --git a/include/pidfd-utils.h b/include/pidfd-utils.h
new file mode 100644
index 0000000..eddede9
--- /dev/null
+++ b/include/pidfd-utils.h
@@ -0,0 +1,28 @@
+#ifndef UTIL_LINUX_PIDFD_UTILS
+#define UTIL_LINUX_PIDFD_UTILS
+
+#ifdef HAVE_SYS_SYSCALL_H
+# include <sys/syscall.h>
+# if defined(SYS_pidfd_send_signal) && defined(SYS_pidfd_open)
+#  include <sys/types.h>
+
+#  ifndef HAVE_PIDFD_SEND_SIGNAL
+static inline int pidfd_send_signal(int pidfd, int sig, siginfo_t *info,
+				    unsigned int flags)
+{
+	return syscall(SYS_pidfd_send_signal, pidfd, sig, info, flags);
+}
+#  endif
+
+#  ifndef HAVE_PIDFD_OPEN
+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	/* SYS_pidfd_send_signal */
+#endif /* HAVE_SYS_SYSCALL_H */
+#endif /* UTIL_LINUX_PIDFD_UTILS */