* 2 == noisy debug messages (logfile only).
* 3 == will flood your log (logfile only).
*/
+static void xen_pv_output_msg(struct XenLegacyDevice *xendev,
+ FILE *f, const char *fmt, va_list args)
+{
+ if (xendev) {
+ fprintf(f, "xen be: %s: ", xendev->name);
+ } else {
+ fprintf(f, "xen be core: ");
+ }
+ vfprintf(f, fmt, args);
+}
+
void xen_pv_printf(struct XenLegacyDevice *xendev, int msg_level,
const char *fmt, ...)
{
+ FILE *logfile;
va_list args;
- if (xendev) {
- if (msg_level > xendev->debug) {
- return;
- }
- qemu_log("xen be: %s: ", xendev->name);
- if (msg_level == 0) {
- fprintf(stderr, "xen be: %s: ", xendev->name);
- }
- } else {
- if (msg_level > debug) {
- return;
- }
- qemu_log("xen be core: ");
- if (msg_level == 0) {
- fprintf(stderr, "xen be core: ");
- }
+ if (msg_level > (xendev ? xendev->debug : debug)) {
+ return;
}
- va_start(args, fmt);
- qemu_log_vprintf(fmt, args);
- va_end(args);
+
+ logfile = qemu_log_trylock();
+ if (logfile) {
+ va_start(args, fmt);
+ xen_pv_output_msg(xendev, logfile, fmt, args);
+ va_end(args);
+ qemu_log_unlock(logfile);
+ }
+
if (msg_level == 0) {
va_start(args, fmt);
- vfprintf(stderr, fmt, args);
+ xen_pv_output_msg(xendev, stderr, fmt, args);
va_end(args);
}
qemu_log_flush();