save tearoff state; restore monitor section state reasonably well; fixup access control to parts of editor.h (needs more work); extend CrossThread just a little

git-svn-id: svn://localhost/ardour2/branches/3.0@6774 d708f5d6-7413-0410-9779-e7cbd77b26cf

1 files changed, 12 insertions, 0 deletions

diff --git a/libs/pbd/crossthread.cc b/libs/pbd/crossthread.cc
index 2bcb444b36..7ccf741380 100644
--- a/libs/pbd/crossthread.cc
+++ b/libs/pbd/crossthread.cc
@@ -104,3 +104,15 @@ CrossThreadChannel::drain (int fd)
 	char buf[64];
 	while (::read (fd, buf, sizeof (buf)) > 0);
 }
+
+int
+CrossThreadChannel::deliver (char msg)
+{
+        return ::write (fds[1], &msg, 1);
+}
+
+int 
+CrossThreadChannel::receive (char& msg)
+{
+        return ::read (fds[0], &msg, 1);
+}