diff options
| -rw-r--r-- | include/qapi/error.h | 11 | ||||
| -rw-r--r-- | util/error.c | 34 |
2 files changed, 32 insertions, 13 deletions
diff --git a/include/qapi/error.h b/include/qapi/error.h index d7878c3088..c69dddbbf2 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 diff --git a/util/error.c b/util/error.c index b1eb8a288b..8b86490ba1 100644 --- a/util/error.c +++ b/util/error.c @@ -2,9 +2,11 @@ * QEMU Error Objects * * Copyright IBM, Corp. 2011 + * Copyright (C) 2011-2015 Red Hat, Inc. * * Authors: * Anthony Liguori <aliguori@us.ibm.com> + * Markus Armbruster <armbru@redhat.com>, * * This work is licensed under the terms of the GNU LGPL, version 2. See * the COPYING.LIB file in the top-level directory. @@ -24,13 +26,20 @@ struct Error }; Error *error_abort; +Error *error_fatal; -static void error_do_abort(Error *err) +static void error_handle_fatal(Error **errp, Error *err) { - fprintf(stderr, "Unexpected error in %s() at %s:%d:\n", - err->func, err->src, err->line); - error_report_err(err); - abort(); + if (errp == &error_abort) { + fprintf(stderr, "Unexpected error in %s() at %s:%d:\n", + err->func, err->src, err->line); + error_report_err(err); + abort(); + } + if (errp == &error_fatal) { + error_report_err(err); + exit(1); + } } static void error_setv(Error **errp, @@ -52,10 +61,7 @@ static void error_setv(Error **errp, err->line = line; err->func = func; - if (errp == &error_abort) { - error_do_abort(err); - } - + error_handle_fatal(errp, err); *errp = err; errno = saved_errno; @@ -216,11 +222,13 @@ void error_free(Error *err) void error_propagate(Error **dst_errp, Error *local_err) { - if (local_err && dst_errp == &error_abort) { - error_do_abort(local_err); - } else if (dst_errp && !*dst_errp) { + if (!local_err) { + return; + } + error_handle_fatal(dst_errp, local_err); + if (dst_errp && !*dst_errp) { *dst_errp = local_err; - } else if (local_err) { + } else { error_free(local_err); } } |