Initial checkin of lldb code from internal Apple repo.
llvm-svn: 105619
diff --git a/lldb/tools/debugserver/source/DNBError.h b/lldb/tools/debugserver/source/DNBError.h
new file mode 100644
index 0000000..10c6638
--- /dev/null
+++ b/lldb/tools/debugserver/source/DNBError.h
@@ -0,0 +1,96 @@
+//===-- DNBError.h ----------------------------------------------*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// Created by Greg Clayton on 6/26/07.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef __DNBError_h__
+#define __DNBError_h__
+
+#include <errno.h>
+#include <mach/mach.h>
+#include <stdio.h>
+#include <string>
+
+class DNBError
+{
+public:
+ typedef uint32_t ValueType;
+ typedef enum
+ {
+ Generic = 0,
+ MachKernel,
+ POSIX
+#if defined (__arm__)
+ , SpringBoard
+#endif
+ } FlavorType;
+
+ explicit DNBError( ValueType err = 0,
+ FlavorType flavor = Generic) :
+ m_err(err),
+ m_flavor(flavor)
+ {
+ }
+
+ const char * AsString() const;
+ void Clear() { m_err = 0; m_flavor = Generic; m_str.clear(); }
+ ValueType Error() const { return m_err; }
+ FlavorType Flavor() const { return m_flavor; }
+
+ ValueType operator = (kern_return_t err)
+ {
+ m_err = err;
+ m_flavor = MachKernel;
+ m_str.clear();
+ return m_err;
+ }
+
+ void SetError(kern_return_t err)
+ {
+ m_err = err;
+ m_flavor = MachKernel;
+ m_str.clear();
+ }
+
+ void SetErrorToErrno()
+ {
+ m_err = errno;
+ m_flavor = POSIX;
+ m_str.clear();
+ }
+
+ void SetError(ValueType err, FlavorType flavor)
+ {
+ m_err = err;
+ m_flavor = flavor;
+ m_str.clear();
+ }
+
+ // Generic errors can set their own string values
+ void SetErrorString(const char *err_str)
+ {
+ if (err_str && err_str[0])
+ m_str = err_str;
+ else
+ m_str.clear();
+ }
+ bool Success() const { return m_err == 0; }
+ bool Fail() const { return m_err != 0; }
+ void LogThreadedIfError(const char *format, ...) const;
+ void LogThreaded(const char *format, ...) const;
+protected:
+ ValueType m_err;
+ FlavorType m_flavor;
+ mutable std::string m_str;
+};
+
+
+#endif // #ifndef __DNBError_h__