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changeset 98:99cbe2b57530

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Allow up to 16 messages to pile up in the communication between threads
author Daniele Nicolodi <daniele.nicolodi@obspm.fr>
date Tue, 26 Mar 2013 18:20:12 +0100
parents 675cb8d5e8a7
children dad4414051c4
files data-provider.h
diffstat 1 files changed, 8 insertions(+), 7 deletions(-) [+]
line wrap: on
line diff
--- a/data-provider.h	Tue Mar 26 18:18:38 2013 +0100
+++ b/data-provider.h	Tue Mar 26 18:20:12 2013 +0100
@@ -18,14 +18,15 @@
 	double data[4];
 };
 
-/* message */
-static char message[1024]; 
+/* message buffer */
+static char messages[256][16];
+static unsigned int messageid = 0;
 
-#define SendMessage(threadId, ...)                                \
-	do { 												          \
-		snprintf(message, sizeof(message) - 1, ##__VA_ARGS__);    \
-		PostDeferredCallToThread(MessageCB, message, threadId);   \
+#define SendMessage(threadId, ...)                                  \
+	do {                                                            \
+		char *message = messages[messageid++ % 16];                 \
+		snprintf(message, sizeof(message), ##__VA_ARGS__);          \
+		PostDeferredCallToThread(MessageCB, message, threadId);     \
 	} while (0)
 
-
 #endif