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authorMarc-André Lureau <marcandre.lureau@redhat.com>2023-02-21 16:47:50 +0400
committerMarc-André Lureau <marcandre.lureau@redhat.com>2023-03-13 15:23:37 +0400
commit3ffef1a55ca3b55fa64d43cd35af5adb2c260463 (patch)
tree7bb3c98f6ba70acdeaf0b538aaa5cd04517c9a8c
parent6bbee5dbaae1bebf5e37d3d2083584673d439631 (diff)
error: add global &error_warn destination
This can help debugging issues or develop, when error handling is introduced. Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com> Reviewed-by: Stefan Berger <stefanb@linux.ibm.com> Message-Id: <20230221124802.4103554-6-marcandre.lureau@redhat.com>
-rw-r--r--include/qapi/error.h6
-rw-r--r--tests/unit/test-error-report.c18
-rw-r--r--util/error.c10
3 files changed, 31 insertions, 3 deletions
diff --git a/include/qapi/error.h b/include/qapi/error.h
index d798faeec3..f21a231bb1 100644
--- a/include/qapi/error.h
+++ b/include/qapi/error.h
@@ -520,6 +520,12 @@ static inline void error_propagator_cleanup(ErrorPropagator *prop)
G_DEFINE_AUTO_CLEANUP_CLEAR_FUNC(ErrorPropagator, error_propagator_cleanup);
/*
+ * Special error destination to warn on error.
+ * See error_setg() and error_propagate() for details.
+ */
+extern Error *error_warn;
+
+/*
* Special error destination to abort on error.
* See error_setg() and error_propagate() for details.
*/
diff --git a/tests/unit/test-error-report.c b/tests/unit/test-error-report.c
index b09650687b..54319c86c9 100644
--- a/tests/unit/test-error-report.c
+++ b/tests/unit/test-error-report.c
@@ -12,6 +12,7 @@
#include <locale.h>
#include "qemu/error-report.h"
+#include "qapi/error.h"
static void
test_error_report_simple(void)
@@ -103,6 +104,22 @@ test_error_report_timestamp(void)
");
}
+static void
+test_error_warn(void)
+{
+ if (g_test_subprocess()) {
+ error_setg(&error_warn, "Testing &error_warn");
+ return;
+ }
+
+ g_test_trap_subprocess(NULL, 0, 0);
+ g_test_trap_assert_passed();
+ g_test_trap_assert_stderr("\
+test-error-report: warning: Testing &error_warn*\
+");
+}
+
+
int
main(int argc, char *argv[])
{
@@ -116,6 +133,7 @@ main(int argc, char *argv[])
g_test_add_func("/error-report/glog", test_error_report_glog);
g_test_add_func("/error-report/once", test_error_report_once);
g_test_add_func("/error-report/timestamp", test_error_report_timestamp);
+ g_test_add_func("/error-report/warn", test_error_warn);
return g_test_run();
}
diff --git a/util/error.c b/util/error.c
index 1e7af665b8..5537245da6 100644
--- a/util/error.c
+++ b/util/error.c
@@ -27,8 +27,9 @@ struct Error
Error *error_abort;
Error *error_fatal;
+Error *error_warn;
-static void error_handle_fatal(Error **errp, Error *err)
+static void error_handle(Error **errp, Error *err)
{
if (errp == &error_abort) {
fprintf(stderr, "Unexpected error in %s() at %s:%d:\n",
@@ -43,6 +44,9 @@ static void error_handle_fatal(Error **errp, Error *err)
error_report_err(err);
exit(1);
}
+ if (errp == &error_warn) {
+ warn_report_err(err);
+ }
}
G_GNUC_PRINTF(6, 0)
@@ -71,7 +75,7 @@ static void error_setv(Error **errp,
err->line = line;
err->func = func;
- error_handle_fatal(errp, err);
+ error_handle(errp, err);
*errp = err;
errno = saved_errno;
@@ -284,7 +288,7 @@ void error_propagate(Error **dst_errp, Error *local_err)
if (!local_err) {
return;
}
- error_handle_fatal(dst_errp, local_err);
+ error_handle(dst_errp, local_err);
if (dst_errp && !*dst_errp) {
*dst_errp = local_err;
} else {