add timerfd interfaces (untested)

2 files changed, 35 insertions, 0 deletions

diff --git a/include/sys/timerfd.h b/include/sys/timerfd.h
new file mode 100644
index 00000000..0afa7b0e
--- /dev/null
+++ b/include/sys/timerfd.h
@@ -0,0 +1,18 @@
+#ifndef _SYS_TIMERFD_H
+#define _SYS_TIMERFD_H
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include <time.h>
+
+int timerfd_create(int, int);
+int timerfd_settime(int, int, const struct itimerspec *, struct itimerspec *);
+int timerfd_gettime(int, struct itimerspec *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif
diff --git a/src/linux/timerfd.c b/src/linux/timerfd.c
new file mode 100644
index 00000000..62cc2773
--- /dev/null
+++ b/src/linux/timerfd.c
@@ -0,0 +1,17 @@
+#include <sys/timerfd.h>
+#include "syscall.h"
+
+int timerfd_create(int clockid, int flags)
+{
+	return syscall(SYS_timerfd_create, clockid, flags);
+}
+
+int timerfd_settime(int fd, int flags, const struct itimerspec *new, struct itimerspec *old)
+{
+	return syscall(SYS_timerfd_settime, fd, flags, new, old);
+}
+
+int timerfd_gettime(int fd, struct itimerspec *cur)
+{
+	return syscall(SYS_timerfd_gettime, fd, cur);
+}