X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=source%2Fio%2Funix%2Fhandle.cpp;fp=source%2Fio%2Funix%2Fhandle.cpp;h=9546df9f579c657f61f658ee235db3e172eec7dd;hb=609c9a508cfdc7b42c46c4f21d17639204165a00;hp=0000000000000000000000000000000000000000;hpb=b4806214e905752617691f851717033fd3f266c2;p=libs%2Fcore.git

diff --git a/source/io/unix/handle.cpp b/source/io/unix/handle.cpp
new file mode 100644
index 0000000..9546df9
--- /dev/null
+++ b/source/io/unix/handle.cpp
@@ -0,0 +1,57 @@
+#include <cerrno>
+#include <unistd.h>
+#include <fcntl.h>
+#include <msp/core/systemerror.h>
+#include "handle.h"
+#include "handle_private.h"
+
+namespace Msp {
+namespace IO {
+
+Handle::operator const void *() const
+{
+	return priv->handle!=-1 ? this : 0;
+}
+
+
+void sys_set_blocking(Handle &handle, bool b)
+{
+	int flags = fcntl(*handle, F_GETFD);
+	fcntl(*handle, F_SETFL, (flags&~O_NONBLOCK)|(b?0:O_NONBLOCK));
+}
+
+unsigned sys_read(Handle &handle, char *buf, unsigned size)
+{
+	int ret = read(*handle, buf, size);
+	if(ret==-1)
+	{
+		if(errno==EAGAIN)
+			return 0;
+		else
+			throw system_error("read");
+	}
+
+	return ret;
+}
+
+unsigned sys_write(Handle &handle, const char *buf, unsigned size)
+{
+	int ret = write(*handle, buf, size);
+	if(ret==-1)
+	{
+		if(errno==EAGAIN)
+			return 0;
+		else
+			throw system_error("write");
+	}
+
+	return ret;
+}
+
+void sys_close(Handle &handle)
+{
+	close(*handle);
+}
+
+} // namespace IO
+} // namespace Msp