X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fio%2Fmode.h;h=a643a7f32074782bb863c99959d6d14e1a66f496;hb=99b9121e2158603372c7313400283b622e6754d8;hp=706609f03f4bb7c5c8b40c111b1da11f02d4581d;hpb=933356a36607f5d4480172e285071d4d7dfc5a7b;p=libs%2Fcore.git

diff --git a/source/io/mode.h b/source/io/mode.h
index 706609f..a643a7f 100644
--- a/source/io/mode.h
+++ b/source/io/mode.h
@@ -13,7 +13,8 @@ enum Mode
 	M_WRITE = 2,
 	M_RDWR = M_READ|M_WRITE,
 	M_APPEND = 4,
-	M_NONBLOCK = 8
+	M_NONBLOCK = 8,
+	M_INHERIT = 16
 };
 
 inline Mode operator|(Mode m, Mode n)
@@ -25,12 +26,15 @@ inline Mode operator&(Mode m, Mode n)
 inline Mode operator~(Mode m)
 { return Mode(~static_cast<int>(m)); }
 
+inline void adjust_mode(Mode &m, Mode f, bool b)
+{ m = b ? (m|f) : (m&~f); }
+
 
 class invalid_access: public std::logic_error
 {
 public:
 	invalid_access(Mode);
-	~invalid_access() throw() { }
+	virtual ~invalid_access() throw() = default;
 };
 
 } // namespace IO