error: New error_fatal

Similar to error_abort, but doesn't report where the error was
created, and terminates the process with exit(1) rather than abort().

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <1441983105-26376-2-git-send-email-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>
Reviewed-by: Peter Crosthwaite <crosthwaite.peter@gmail.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/include/qapi/error.h b/include/qapi/error.h
index d7878c3..c69dddb 100644
--- a/include/qapi/error.h
+++ b/include/qapi/error.h
@@ -50,6 +50,9 @@
  * Call a function aborting on errors:
  *     foo(arg, &error_abort);
  *
+ * Call a function treating errors as fatal:
+ *     foo(arg, &error_fatal);
+ *
  * Receive an error and pass it on to the caller:
  *     Error *err = NULL;
  *     foo(arg, &err);
@@ -100,6 +103,7 @@ ErrorClass error_get_class(const Error *err);
  * If @errp is NULL, the error is ignored.  Don't bother creating one
  * then.
  * If @errp is &error_abort, print a suitable message and abort().
+ * If @errp is &error_fatal, print a suitable message and exit(1).
  * If @errp is anything else, *@errp must be NULL.
  * The new error's class is ERROR_CLASS_GENERIC_ERROR, and its
  * human-readable error message is made from printf-style @fmt, ...
@@ -148,6 +152,8 @@ void error_setg_win32_internal(Error **errp,
  * error object.
  * Else, if @dst_errp is &error_abort, print a suitable message and
  * abort().
+ * Else, if @dst_errp is &error_fatal, print a suitable message and
+ * exit(1).
  * Else, if @dst_errp already contains an error, ignore this one: free
  * the error object.
  * Else, move the error object from @local_err to *@dst_errp.
@@ -206,4 +212,9 @@ void error_set_internal(Error **errp,
  */
 extern Error *error_abort;
 
+/*
+ * Pass to error_setg() & friends to exit(1) on error.
+ */
+extern Error *error_fatal;
+
 #endif