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[for-1.4,2/2] trace: deal with deprecated glib thread functions

Message ID 1360676045-9204-3-git-send-email-stefanha@redhat.com
State New
Headers show

Commit Message

Stefan Hajnoczi Feb. 12, 2013, 1:34 p.m. UTC 
g_thread_create() was deprecated in favor of g_thread_new() and
g_cond_new() was deprecated in favor of GCond initialization.  If the
host has glib 2.31 or newer, avoid using the deprecated functions.

This patch solves compiler warnings that are generated when glib's
deprecated functions are used.

Signed-off-by: Stefan Hajnoczi <stefanha@redhat.com>
---
 trace/simple.c | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)
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Patch

diff --git a/trace/simple.c b/trace/simple.c
index 1d5d8e4..375d98f 100644
--- a/trace/simple.c
+++ b/trace/simple.c
@@ -40,8 +40,18 @@ 
  * records to become available, writes them out, and then waits again.
  */
 static GStaticMutex trace_lock = G_STATIC_MUTEX_INIT;
+
+/* g_cond_new() was deprecated in glib 2.31 but we still need to support it */
+#if GLIB_CHECK_VERSION(2, 31, 0)
+static GCond the_trace_available_cond;
+static GCond the_trace_empty_cond;
+static GCond *trace_available_cond = &the_trace_available_cond;
+static GCond *trace_empty_cond = &the_trace_empty_cond;
+#else
 static GCond *trace_available_cond;
 static GCond *trace_empty_cond;
+#endif
+
 static bool trace_available;
 static bool trace_writeout_enabled;
 
@@ -397,7 +407,13 @@  static GThread *trace_thread_create(GThreadFunc fn)
     sigfillset(&set);
     pthread_sigmask(SIG_SETMASK, &set, &oldset);
 #endif
+
+#if GLIB_CHECK_VERSION(2, 31, 0)
+    thread = g_thread_new("trace-thread", fn, NULL);
+#else
     thread = g_thread_create(fn, NULL, FALSE, NULL);
+#endif
+
 #ifndef _WIN32
     pthread_sigmask(SIG_SETMASK, &oldset, NULL);
 #endif
@@ -418,8 +434,10 @@  bool trace_backend_init(const char *events, const char *file)
 #endif
     }
 
+#if !GLIB_CHECK_VERSION(2, 31, 0)
     trace_available_cond = g_cond_new();
     trace_empty_cond = g_cond_new();
+#endif
 
     thread = trace_thread_create(writeout_thread);
     if (!thread) {