trace: Only link generated-tracers.o with "simple" backend

[qemu.git] / util / error.c

diff --git a/util/error.c b/util/error.c
index 53b04354aef02d832a4207c39a5b1e9171946317..2ace0d8dd95bb0df878bf05871151ac3e35dc374 100644 (file)
--- a/util/error.c
+++ b/util/error.c
@@ -12,10 +12,7 @@
 
 #include "qemu-common.h"
 #include "qapi/error.h"
-#include "qapi/qmp/qjson.h"
-#include "qapi/qmp/qdict.h"
-#include "qapi-types.h"
-#include "qapi/qmp/qerror.h"
+#include "qemu/error-report.h"
 
 struct Error
 {
@@ -23,10 +20,13 @@ struct Error
     ErrorClass err_class;
 };
 
+Error *error_abort;
+
 void error_set(Error **errp, ErrorClass err_class, const char *fmt, ...)
 {
     Error *err;
     va_list ap;
+    int saved_errno = errno;
 
     if (errp == NULL) {
         return;
@@ -40,7 +40,14 @@ void error_set(Error **errp, ErrorClass err_class, const char *fmt, ...)
     va_end(ap);
     err->err_class = err_class;
 
+    if (errp == &error_abort) {
+        error_report("%s", error_get_pretty(err));
+        abort();
+    }
+
     *errp = err;
+
+    errno = saved_errno;
 }
 
 void error_set_errno(Error **errp, int os_errno, ErrorClass err_class,
@@ -49,6 +56,7 @@ void error_set_errno(Error **errp, int os_errno, ErrorClass err_class,
     Error *err;
     char *msg1;
     va_list ap;
+    int saved_errno = errno;
 
     if (errp == NULL) {
         return;
@@ -68,7 +76,14 @@ void error_set_errno(Error **errp, int os_errno, ErrorClass err_class,
     va_end(ap);
     err->err_class = err_class;
 
+    if (errp == &error_abort) {
+        error_report("%s", error_get_pretty(err));
+        abort();
+    }
+
     *errp = err;
+
+    errno = saved_errno;
 }
 
 void error_setg_file_open(Error **errp, int os_errno, const char *filename)
@@ -76,6 +91,46 @@ void error_setg_file_open(Error **errp, int os_errno, const char *filename)
     error_setg_errno(errp, os_errno, "Could not open '%s'", filename);
 }
 
+#ifdef _WIN32
+
+void error_set_win32(Error **errp, int win32_err, ErrorClass err_class,
+                     const char *fmt, ...)
+{
+    Error *err;
+    char *msg1;
+    va_list ap;
+
+    if (errp == NULL) {
+        return;
+    }
+    assert(*errp == NULL);
+
+    err = g_malloc0(sizeof(*err));
+
+    va_start(ap, fmt);
+    msg1 = g_strdup_vprintf(fmt, ap);
+    if (win32_err != 0) {
+        char *msg2 = g_win32_error_message(win32_err);
+        err->msg = g_strdup_printf("%s: %s (error: %x)", msg1, msg2,
+                                   (unsigned)win32_err);
+        g_free(msg2);
+        g_free(msg1);
+    } else {
+        err->msg = msg1;
+    }
+    va_end(ap);
+    err->err_class = err_class;
+
+    if (errp == &error_abort) {
+        error_report("%s", error_get_pretty(err));
+        abort();
+    }
+
+    *errp = err;
+}
+
+#endif
+
 Error *error_copy(const Error *err)
 {
     Error *err_new;
@@ -87,11 +142,6 @@ Error *error_copy(const Error *err)
     return err_new;
 }
 
-bool error_is_set(Error **errp)
-{
-    return (errp && *errp);
-}
-
 ErrorClass error_get_class(const Error *err)
 {
     return err->err_class;
@@ -110,10 +160,13 @@ void error_free(Error *err)
     }
 }
 
-void error_propagate(Error **dst_err, Error *local_err)
+void error_propagate(Error **dst_errp, Error *local_err)
 {
-    if (dst_err && !*dst_err) {
-        *dst_err = local_err;
+    if (local_err && dst_errp == &error_abort) {
+        error_report("%s", error_get_pretty(local_err));
+        abort();
+    } else if (dst_errp && !*dst_errp) {
+        *dst_errp = local_err;
     } else if (local_err) {
         error_free(local_err);
     }