X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Fio%2Fbase.h;h=a6a8827c6d4c28ee981806c4284af063b96de8dd;hp=c58be90f7ebd039504e261105e53dc7329a1ac13;hb=ea8bf8f588310b0d7fd3297d74907602705bba1d;hpb=169ece8b190040c4b61d68122c4ead1ba266cf79

diff --git a/source/io/base.h b/source/io/base.h
index c58be90..a6a8827 100644
--- a/source/io/base.h
+++ b/source/io/base.h
@@ -12,9 +12,6 @@ namespace IO {
 
 /**
 Common interface for all I/O objects.
-
-A derived class must call set_events(P_NONE) before it is destroyed to avoid
-leaving stale pointers in an EventDispatcher.
 */
 class Base
 {
@@ -60,7 +57,13 @@ public:
 	was done.
 
 	Blocking is enabled by default. */
-	virtual void set_block(bool) { }
+	virtual void set_block(bool) = 0;
+
+	/** Sets inheritance mode.  When inheritance is enabled, the file descriptor
+	will persist through Process::execute.
+
+	Inheritance is disabled by default. */
+	virtual void set_inherit(bool) = 0;
 
 	/** Returns the current mode flags. */
 	Mode get_mode() const { return mode; }
@@ -108,7 +111,7 @@ public:
 
 	/** Returns the system-level handle for the object.  Used by Console to
 	perform redirections. */
-	virtual const Handle &get_handle(Mode);
+	virtual const Handle &get_handle(Mode) = 0;
 };
 
 } // namespace IO