X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fio%2Fmode.h;h=a643a7f32074782bb863c99959d6d14e1a66f496;hb=99b9121e2158603372c7313400283b622e6754d8;hp=5e103f278907be65a1f7f91da38ac34c5d113301;hpb=c7afef88380ebebc8c2b04e48664d73281ec8848;p=libs%2Fcore.git

diff --git a/source/io/mode.h b/source/io/mode.h
index 5e103f2..a643a7f 100644
--- a/source/io/mode.h
+++ b/source/io/mode.h
@@ -1,6 +1,8 @@
 #ifndef MSP_IO_MODE_H_
 #define MSP_IO_MODE_H_
 
+#include <stdexcept>
+
 namespace Msp {
 namespace IO {
 
@@ -11,7 +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)
@@ -23,6 +26,17 @@ 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);
+	virtual ~invalid_access() throw() = default;
+};
+
 } // namespace IO
 } // namespace Msp