Initial Contribution

1 files changed, 87 insertions, 0 deletions

diff --git a/include/utils/Errors.h b/include/utils/Errors.h
new file mode 100644
index 0000000..1bf9e6f
--- /dev/null
+++ b/include/utils/Errors.h
@@ -0,0 +1,87 @@
+/*
+ * Copyright (C) 2007 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#ifndef ANDROID_ERRORS_H
+#define ANDROID_ERRORS_H
+
+#include <sys/types.h>
+#include <errno.h>
+
+namespace android {
+
+// use this type to return error codes
+#ifdef HAVE_MS_C_RUNTIME
+typedef int         status_t;
+#else
+typedef int32_t     status_t;
+#endif
+
+/* the MS C runtime lacks a few error codes */
+
+/*
+ * Error codes. 
+ * All error codes are negative values.
+ */
+
+// Win32 #defines NO_ERROR as well.  It has the same value, so there's no
+// real conflict, though it's a bit awkward.
+#ifdef _WIN32
+# undef NO_ERROR
+#endif
+ 
+enum {
+    OK                = 0,    // Everything's swell.
+    NO_ERROR          = 0,    // No errors.
+    
+    UNKNOWN_ERROR       = 0x80000000,
+
+    NO_MEMORY           = -ENOMEM,
+    INVALID_OPERATION   = -ENOSYS,
+    BAD_VALUE           = -EINVAL,
+    BAD_TYPE            = 0x80000001,
+    NAME_NOT_FOUND      = -ENOENT,
+    PERMISSION_DENIED   = -EPERM,
+    NO_INIT             = -ENODEV,
+    ALREADY_EXISTS      = -EEXIST,
+    DEAD_OBJECT         = -EPIPE,
+    FAILED_TRANSACTION  = 0x80000002,
+    JPARKS_BROKE_IT     = -EPIPE,
+#if !defined(HAVE_MS_C_RUNTIME)
+    BAD_INDEX           = -EOVERFLOW,
+    NOT_ENOUGH_DATA     = -ENODATA,
+    WOULD_BLOCK         = -EWOULDBLOCK, 
+    TIMED_OUT           = -ETIME,
+    UNKNOWN_TRANSACTION = -EBADMSG,
+#else    
+    BAD_INDEX           = -E2BIG,
+    NOT_ENOUGH_DATA     = 0x80000003,
+    WOULD_BLOCK         = 0x80000004,
+    TIMED_OUT           = 0x80000005,
+    UNKNOWN_TRANSACTION = 0x80000006,
+#endif    
+};
+
+// Restore define; enumeration is in "android" namespace, so the value defined
+// there won't work for Win32 code in a different namespace.
+#ifdef _WIN32
+# define NO_ERROR 0L
+#endif
+
+}; // namespace android
+    
+// ---------------------------------------------------------------------------
+    
+#endif // ANDROID_ERRORS_H