migration/postcopy: mis->have_listen_thread check will never be touched

[mirror_qemu.git] / util / qemu-error.c

diff --git a/util/qemu-error.c b/util/qemu-error.c
index 4ab428f7e47c41f95d735f3afdc69a9fcf499583..f373f3b3b0821f483d25a9e935961eb5d887ff6d 100644 (file)
--- a/util/qemu-error.c
+++ b/util/qemu-error.c
@@ -24,22 +24,26 @@ typedef enum {
     REPORT_TYPE_INFO,
 } report_type;
 
-void error_printf(const char *fmt, ...)
+int error_printf(const char *fmt, ...)
 {
     va_list ap;
+    int ret;
 
     va_start(ap, fmt);
-    error_vprintf(fmt, ap);
+    ret = error_vprintf(fmt, ap);
     va_end(ap);
+    return ret;
 }
 
-void error_printf_unless_qmp(const char *fmt, ...)
+int error_printf_unless_qmp(const char *fmt, ...)
 {
     va_list ap;
+    int ret;
 
     va_start(ap, fmt);
-    error_vprintf_unless_qmp(fmt, ap);
+    ret = error_vprintf_unless_qmp(fmt, ap);
     va_end(ap);
+    return ret;
 }
 
 static Location std_loc = {
@@ -142,7 +146,7 @@ static const char *progname;
 /*
  * Set the program name for error_print_loc().
  */
-void error_set_progname(const char *argv0)
+static void error_set_progname(const char *argv0)
 {
     const char *p = strrchr(argv0, '/');
     progname = p ? p + 1 : argv0;
@@ -194,7 +198,6 @@ bool enable_timestamp_msg;
  * Format arguments like vsprintf().  The resulting message should be
  * a single phrase, with no newline or trailing punctuation.
  * Prepend the current location and append a newline.
- * It's wrong to call this in a QMP monitor.  Use error_setg() there.
  */
 static void vreport(report_type type, const char *fmt, va_list ap)
 {
@@ -242,7 +245,6 @@ void error_vreport(const char *fmt, va_list ap)
  * Format arguments like vsprintf().  The resulting message should be
  * a single phrase, with no newline or trailing punctuation.
  * Prepend the current location and append a newline.
- * It's wrong to call this in a QMP monitor.  Use error_setg() there.
  */
 void warn_vreport(const char *fmt, va_list ap)
 {
@@ -255,7 +257,6 @@ void warn_vreport(const char *fmt, va_list ap)
  * Format arguments like vsprintf().  The resulting message should be
  * a single phrase, with no newline or trailing punctuation.
  * Prepend the current location and append a newline.
- * It's wrong to call this in a QMP monitor.  Use error_setg() there.
  */
 void info_vreport(const char *fmt, va_list ap)
 {
@@ -283,7 +284,6 @@ void error_report(const char *fmt, ...)
  * Format arguments like sprintf(). The resulting message should be a
  * single phrase, with no newline or trailing punctuation.
  * Prepend the current location and append a newline.
- * It's wrong to call this in a QMP monitor.  Use error_setg() there.
  */
 void warn_report(const char *fmt, ...)
 {
@@ -300,7 +300,6 @@ void warn_report(const char *fmt, ...)
  * Format arguments like sprintf(). The resulting message should be a
  * single phrase, with no newline or trailing punctuation.
  * Prepend the current location and append a newline.
- * It's wrong to call this in a QMP monitor.  Use error_setg() there.
  */
 void info_report(const char *fmt, ...)
 {
@@ -350,3 +349,56 @@ bool warn_report_once_cond(bool *printed, const char *fmt, ...)
     va_end(ap);
     return true;
 }
+
+static char *qemu_glog_domains;
+
+static void qemu_log_func(const gchar *log_domain,
+                          GLogLevelFlags log_level,
+                          const gchar *message,
+                          gpointer user_data)
+{
+    switch (log_level & G_LOG_LEVEL_MASK) {
+    case G_LOG_LEVEL_DEBUG:
+    case G_LOG_LEVEL_INFO:
+        /*
+         * Use same G_MESSAGES_DEBUG logic as glib to enable/disable debug
+         * messages
+         */
+        if (qemu_glog_domains == NULL) {
+            break;
+        }
+        if (strcmp(qemu_glog_domains, "all") != 0 &&
+          (log_domain == NULL || !strstr(qemu_glog_domains, log_domain))) {
+            break;
+        }
+        /* Fall through */
+    case G_LOG_LEVEL_MESSAGE:
+        info_report("%s%s%s",
+                    log_domain ?: "", log_domain ? ": " : "", message);
+
+        break;
+    case G_LOG_LEVEL_WARNING:
+        warn_report("%s%s%s",
+                    log_domain ?: "", log_domain ? ": " : "", message);
+        break;
+    case G_LOG_LEVEL_CRITICAL:
+    case G_LOG_LEVEL_ERROR:
+        error_report("%s%s%s",
+                     log_domain ?: "", log_domain ? ": " : "", message);
+        break;
+    }
+}
+
+void error_init(const char *argv0)
+{
+    /* Set the program name for error_print_loc(). */
+    error_set_progname(argv0);
+
+    /*
+     * This sets up glib logging so libraries using it also print their logs
+     * through error_report(), warn_report(), info_report().
+     */
+    g_log_set_default_handler(qemu_log_func, NULL);
+    g_warn_if_fail(qemu_glog_domains == NULL);
+    qemu_glog_domains = g_strdup(g_getenv("G_MESSAGES_DEBUG"));
+}