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qerror: add qerror_report_err()

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This provides a bridge between Error (new error mechanism) and QError (old error
mechanism).  Errors can be propagated whereas QError cannot.

The minor evilness avoids layering violations.  Since QError should go away RSN,
it seems like a reasonable hack.

Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>
Signed-off-by: Luiz Capitulino <lcapitulino@redhat.com>
This commit is contained in:
Anthony Liguori 2011-09-02 12:34:45 -05:00 committed by Luiz Capitulino
parent acceb4d99f
commit 2a82d936a2
2 changed files with 35 additions and 0 deletions
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33
qerror.c
View file

@ -482,6 +482,39 @@ void qerror_report_internal(const char *file, int linenr, const char *func,
}
}
/* Evil... */
struct Error
{
QDict *obj;
const char *fmt;
char *msg;
};
void qerror_report_err(Error *err)
{
QError *qerr;
int i;
qerr = qerror_new();
loc_save(&qerr->loc);
QINCREF(err->obj);
qerr->error = err->obj;
for (i = 0; qerror_table[i].error_fmt; i++) {
if (strcmp(qerror_table[i].error_fmt, err->fmt) == 0) {
qerr->entry = &qerror_table[i];
break;
}
}
if (monitor_cur_is_qmp()) {
monitor_set_error(cur_mon, qerr);
} else {
qerror_print(qerr);
QDECREF(qerr);
}
}
/**
* qobject_to_qerror(): Convert a QObject into a QError
*/

2
qerror.h
View file

@ -15,6 +15,7 @@
#include "qdict.h"
#include "qstring.h"
#include "qemu-error.h"
#include "error.h"
#include <stdarg.h>
typedef struct QErrorStringTable {
@ -39,6 +40,7 @@ QString *qerror_human(const QError *qerror);
void qerror_print(QError *qerror);
void qerror_report_internal(const char *file, int linenr, const char *func,
const char *fmt, ...) GCC_FMT_ATTR(4, 5);
void qerror_report_err(Error *err);
QString *qerror_format(const char *fmt, QDict *error);
#define qerror_report(fmt, ...) \
qerror_report_internal(__FILE__, __LINE__, __func__, fmt, ## __VA_ARGS__)