X-Git-Url: http://git.tdb.fi/?p=libs%2Fcore.git;a=blobdiff_plain;f=source%2Fio%2Fhandle.cpp;h=0e9b82aa000c9382fe954b764f36d6614710934e;hp=d5183e5b4a349d286f9858e85c3c28234ac5970f;hb=6c40658510b68788fd5ef0488b20873b6aa32938;hpb=c21ab7e49852585df01b4cc19599e25a918b581b

diff --git a/source/io/handle.cpp b/source/io/handle.cpp
index d5183e5..0e9b82a 100644
--- a/source/io/handle.cpp
+++ b/source/io/handle.cpp
@@ -1,3 +1,6 @@
+#include <cerrno>
+#include <unistd.h>
+#include <msp/core/systemerror.h>
 #include "handle.h"
 #include "handle_private.h"
 
@@ -49,5 +52,55 @@ Handle::Private &Handle::Private::operator=(H h)
 	return *this;
 }
 
+
+unsigned sys_read(Handle &handle, char *buf, unsigned size)
+{
+#ifdef WIN32
+	DWORD ret;
+	if(ReadFile(*handle, buf, size, &ret, 0)==0)
+		throw system_error("ReadFile");
+#else
+	int ret = read(*handle, buf, size);
+	if(ret==-1)
+	{
+		if(errno==EAGAIN)
+			return 0;
+		else
+			throw system_error("read");
+	}
+#endif
+
+	return ret;
+}
+
+unsigned sys_write(Handle &handle, const char *buf, unsigned size)
+{
+#ifdef WIN32
+	DWORD ret;
+	if(WriteFile(*handle, buf, size, &ret, 0)==0)
+		throw system_error("WriteFile");
+#else
+	int ret = write(*handle, buf, size);
+	if(ret==-1)
+	{
+		if(errno==EAGAIN)
+			return 0;
+		else
+			throw system_error("write");
+	}
+#endif
+
+	return ret;
+}
+
+void sys_close(Handle &handle)
+{
+#ifdef WIN32
+	CloseHandle(*handle);
+#else
+	close(*handle);
+#endif
+}
+
 } // namespace IO
 } // namespace Msp