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authorTaybin Rutkin <taybin@taybin.com>2006-06-29 22:21:30 +0000
committerTaybin Rutkin <taybin@taybin.com>2006-06-29 22:21:30 +0000
commit481f7c39655afec832ac10430dd61a3bb464aa58 (patch)
treecde736699cbe49374a6aaa079258f88c1d0c7059 /libs/pbd/pbd/selectable.h
parentd1a4f74ef2c86042a0cbe0e83e611596df27575f (diff)
Fixed i18n system.
Renamed pbd3 back to pbd, since it's version 4.1 now. Very minor fixes git-svn-id: svn://localhost/ardour2/trunk@656 d708f5d6-7413-0410-9779-e7cbd77b26cf
Diffstat (limited to 'libs/pbd/pbd/selectable.h')
-rw-r--r--libs/pbd/pbd/selectable.h102
1 files changed, 102 insertions, 0 deletions
diff --git a/libs/pbd/pbd/selectable.h b/libs/pbd/pbd/selectable.h
new file mode 100644
index 0000000000..470bc3cfcc
--- /dev/null
+++ b/libs/pbd/pbd/selectable.h
@@ -0,0 +1,102 @@
+/*
+ Copyright (C) 1998-99 Paul Barton-Davis
+
+ This program is free software; you can redistribute it and/or modify
+ it under the terms of the GNU General Public License as published by
+ the Free Software Foundation; either version 2 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ GNU General Public License for more details.
+
+ You should have received a copy of the GNU General Public License
+ along with this program; if not, write to the Free Software
+ Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+ $Id$
+*/
+
+#ifndef __selectable_h__
+#define __selectable_h__
+
+#include <list>
+#include <string>
+#include <stdio.h>
+
+#include <sigc++/sigc++.h>
+
+#include <sys/types.h>
+
+namespace Select {
+ enum Condition {
+ Readable = 0x1,
+ Writable = 0x2,
+ Exception = 0x4
+ };
+
+class Selectable : public sigc::trackable
+
+{
+ public:
+ Selectable (int fd);
+ Selectable (const std::string &, int flags, int mode = 0);
+ Selectable (FILE *);
+ ~Selectable ();
+
+ sigc::signal<void,Selectable *,Select::Condition> readable;
+ sigc::signal<void,Selectable *,Select::Condition> writable;
+ sigc::signal<void,Selectable *,Select::Condition> exceptioned;
+
+ int fd() { return _fd; }
+ bool ok() { return _ok; }
+
+ protected:
+ void selected (unsigned int condition);
+ int condition;
+ int _fd;
+
+ friend class Selector;
+
+ private:
+ enum {
+ fromFD,
+ fromPath,
+ fromFILE
+ };
+
+ bool _ok;
+ int _type;
+ std::string path;
+};
+
+class Selector {
+ private:
+ int post_select (fd_set *, fd_set *, fd_set *);
+ int _max_fd;
+
+ typedef std::list<Selectable *> Selectables;
+ Selectables selectables;
+ pthread_mutex_t list_lock;
+
+ static bool use_list_lock;
+
+ public:
+ Selector ();
+
+ void multithreaded (bool yn) {
+ use_list_lock = yn;
+ }
+
+ void add (int condition, Selectable *s);
+ void remove (Selectable *);
+ int select (unsigned long usecs);
+};
+
+
+
+} /* namespace */
+
+
+#endif // __selectable_h__