1 files changed, 21 insertions, 0 deletions
diff --git a/inotify/syscall.go b/inotify/syscall.go
index 0a0c2f0..33a10e2 100644
--- a/inotify/syscall.go
+++ b/inotify/syscall.go
@@ -73,3 +73,24 @@ func sys_read(fd inFd, p []byte) (int, error) {
 	n, err := syscall.Read(int(fd), p)
 	return n, os.NewSyscallError("read", err)
 }
+
+func sys_dupfd_cloexec(fd inFd) (inFd, error) {
+	n, _, errno := syscall.Syscall(syscall.SYS_FCNTL, uintptr(fd), syscall.F_DUPFD_CLOEXEC, 0)
+	if errno != 0 {
+		return -1, os.NewSyscallError("dupfd_cloexec", errno)
+	}
+	return inFd(n), nil
+}
+
+func sys_setnonblock(fd inFd, nonblocking bool) error {
+	err := syscall.SetNonblock(int(fd), nonblocking)
+	return os.NewSyscallError("setnonblock", err)
+}
+
+func sys_getnonblock(fd inFd) (bool, error) {
+	flag, _, errno := syscall.Syscall(syscall.SYS_FCNTL, uintptr(fd), syscall.F_GETFL, 0)
+	if errno != 0 {
+		return false, os.NewSyscallError("getnonblock", errno)
+	}
+	return flag & syscall.O_NONBLOCK != 0, nil
+}