1 files changed, 58 insertions, 0 deletions
diff --git a/include/libcgroup/error.h b/include/libcgroup/error.h
new file mode 100644
index 0000000..4d756ff
--- /dev/null
+++ b/include/libcgroup/error.h
@@ -0,0 +1,58 @@
+#ifndef _LIBCGROUP_ERROR_H
+#define _LIBCGROUP_ERROR_H
+
+#include <features.h>
+
+__BEGIN_DECLS
+
+enum {
+	ECGROUPNOTCOMPILED = 50000,
+	ECGROUPNOTMOUNTED,
+	ECGROUPNOTEXIST,
+	ECGROUPNOTCREATED,
+	ECGROUPSUBSYSNOTMOUNTED,
+	ECGROUPNOTOWNER,
+	ECGROUPMULTIMOUNTED,/* Controllers bound to different mount points */
+	ECGROUPNOTALLOWED,  /* This is the stock error. Default error. */
+	ECGMAXVALUESEXCEEDED,
+	ECGCONTROLLEREXISTS,
+	ECGVALUEEXISTS,
+	ECGINVAL,
+	ECGCONTROLLERCREATEFAILED,
+	ECGFAIL,
+	ECGROUPNOTINITIALIZED,
+	ECGROUPVALUENOTEXIST,
+	/* Represents error coming from other libraries like glibc. libcgroup
+	 * users need to check errno upon encoutering ECGOTHER.
+	 */
+	ECGOTHER,	/* OS error, see errno */
+	ECGROUPNOTEQUAL,
+	ECGCONTROLLERNOTEQUAL,
+	ECGROUPPARSEFAIL, /* Failed to parse rules configuration file. */
+	ECGROUPNORULES, /* Rules list does not exist. */
+	ECGMOUNTFAIL,
+	ECGSENTINEL,	/* Please insert further error codes above this */
+	ECGEOF,		/* End of file, iterator */
+	ECGCONFIGPARSEFAIL,/* Failed to parse config file (cgconfig.conf). */
+	ECGNAMESPACEPATHS,
+	ECGNAMESPACECONTROLLER,
+	ECGMOUNTNAMESPACE,
+};
+
+#define ECGRULESPARSEFAIL	ECGROUPPARSEFAIL
+
+/**
+ * Return error corresponding to @code in human readable format.
+ * @code: error code for which the corresponding error string is to be
+ * returned
+ */
+const char *cgroup_strerror(int code);
+
+/**
+ * Return last errno, which caused ECGOTHER error.
+ */
+int cgroup_get_last_errno();
+
+__END_DECLS
+
+#endif /* _LIBCGROUP_INIT_H */