[PATCH] Constify event_loop_core

[Frediano Ziglio <fziglio@xxxxxxxxxx>]

Was used as write variable only for testing.
Avoid usage of not constant globals.

Signed-off-by: Frediano Ziglio <fziglio@xxxxxxxxxx>
---
 server/event-loop.c             |  6 +++---
 server/red-common.h             |  2 +-
 server/tests/basic_event_loop.c | 20 +++++++++++---------
 3 files changed, 15 insertions(+), 13 deletions(-)

diff --git a/server/event-loop.c b/server/event-loop.c
index 4738ed9..d16aca1 100644
--- a/server/event-loop.c
+++ b/server/event-loop.c
@@ -17,9 +17,9 @@
 */
 
 /*
- *This file export a global variable:
+ * This file export a global variable:
  *
- * SpiceCoreInterfaceInternal event_loop_core;
+ * const SpiceCoreInterfaceInternal event_loop_core;
  */
 
 #include "red-common.h"
@@ -168,7 +168,7 @@ static void watch_remove(SpiceWatch *watch)
     free(watch);
 }
 
-SpiceCoreInterfaceInternal event_loop_core = {
+const SpiceCoreInterfaceInternal event_loop_core = {
     .timer_add = timer_add,
     .timer_start = timer_start,
     .timer_cancel = timer_cancel,
diff --git a/server/red-common.h b/server/red-common.h
index 7add3d0..7ab7e15 100644
--- a/server/red-common.h
+++ b/server/red-common.h
@@ -58,7 +58,7 @@ struct SpiceCoreInterfaceInternal {
     GMainContext *main_context;
 };
 
-extern SpiceCoreInterfaceInternal event_loop_core;
+extern const SpiceCoreInterfaceInternal event_loop_core;
 
 typedef struct RedsState RedsState;
 
diff --git a/server/tests/basic_event_loop.c b/server/tests/basic_event_loop.c
index b9e1b9c..4820387 100644
--- a/server/tests/basic_event_loop.c
+++ b/server/tests/basic_event_loop.c
@@ -36,6 +36,7 @@ int debug = 0;
     } \
 }
 
+static SpiceCoreInterfaceInternal base_core_interface;
 static GMainContext *main_context = NULL;
 
 GMainContext *basic_event_loop_get_context(void)
@@ -69,12 +70,12 @@ static void ignore_sigpipe(void)
 
 static SpiceTimer* base_timer_add(SpiceTimerFunc func, void *opaque)
 {
-    return event_loop_core.timer_add(&event_loop_core, func, opaque);
+    return base_core_interface.timer_add(&base_core_interface, func, opaque);
 }
 
 static SpiceWatch *base_watch_add(int fd, int event_mask, SpiceWatchFunc func, void *opaque)
 {
-    return event_loop_core.watch_add(&event_loop_core, fd, event_mask, func, opaque);
+    return base_core_interface.watch_add(&base_core_interface, fd, event_mask, func, opaque);
 }
 
 static SpiceCoreInterface core = {
@@ -91,13 +92,14 @@ SpiceCoreInterface *basic_event_loop_init(void)
     ignore_sigpipe();
     spice_assert(main_context == NULL);
     main_context = g_main_context_new();
-    core.timer_start = event_loop_core.timer_start;
-    core.timer_cancel = event_loop_core.timer_cancel;
-    core.timer_remove = event_loop_core.timer_remove;
-    core.watch_update_mask = event_loop_core.watch_update_mask;
-    core.watch_remove = event_loop_core.watch_remove;
-    event_loop_core.channel_event = core.channel_event = event_loop_channel_event;
-    event_loop_core.main_context = main_context;
+    base_core_interface = event_loop_core;
+    core.timer_start = base_core_interface.timer_start;
+    core.timer_cancel = base_core_interface.timer_cancel;
+    core.timer_remove = base_core_interface.timer_remove;
+    core.watch_update_mask = base_core_interface.watch_update_mask;
+    core.watch_remove = base_core_interface.watch_remove;
+    base_core_interface.channel_event = core.channel_event = event_loop_channel_event;
+    base_core_interface.main_context = main_context;
 
     return &core;
 }
-- 
2.7.4

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