Signed-off-by: Avi Kivity <[email protected]>
---
api/exception.cc | 20 ++++++++++++++++++++
api/exception.hh | 16 ++++++++++++++++
2 files changed, 36 insertions(+), 0 deletions(-)
create mode 100644 api/exception.cc
create mode 100644 api/exception.hh
diff --git a/api/exception.cc b/api/exception.cc
new file mode 100644
index 0000000..500569a
--- /dev/null
+++ b/api/exception.cc
@@ -0,0 +1,20 @@
+#include "exception.hh"
+#include <cstdio>
+#include <cstring>
+
+errno_exception::errno_exception(int errno)
+ : _errno(errno)
+{
+}
+
+int errno_exception::errno() const
+{
+ return _errno;
+}
+
+const char *errno_exception::what()
+{
+ std::snprintf(_buf, sizeof _buf, "error: %s (%d)",
+ std::strerror(_errno), _errno);
+ return _buf;
+}
diff --git a/api/exception.hh b/api/exception.hh
new file mode 100644
index 0000000..4672760
--- /dev/null
+++ b/api/exception.hh
@@ -0,0 +1,16 @@
+#ifndef EXCEPTION_HH
+#define EXCEPTION_HH
+
+#include <exception>
+
+class errno_exception : public std::exception {
+public:
+ explicit errno_exception(int err_no);
+ int errno() const;
+ virtual const char *what();
+private:
+ int _errno;
+ char _buf[1000];
+};
+
+#endif
--
1.7.1
--
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