X-Git-Url: http://git.lttng.org./?a=blobdiff_plain;f=usertrace%2Flttng_usertrace.h;h=600be4ffbb5915464e7874eab64b037cc7a6f95e;hb=89c39b83182acc6bf8ef02df05c4d1ff88aa5187;hp=b4aa8f3b6ed74a38a5c9110a6f2e1703ef24ac48;hpb=92f441a729c923fa6e27fad038918a42a1c76ef0;p=lttv.git

diff --git a/usertrace/lttng_usertrace.h b/usertrace/lttng_usertrace.h
index b4aa8f3b..600be4ff 100644
--- a/usertrace/lttng_usertrace.h
+++ b/usertrace/lttng_usertrace.h
@@ -11,6 +11,8 @@
 #include <errno.h>
 #include <syscall.h>
 
+#include <asm/atomic.h>
+
 //Put in asm-i486/unistd.h
 #define __NR_ltt_update	294
 #define __NR_ltt_switch	295
@@ -24,9 +26,36 @@
 #define SYS_ltt_switch	__NR_ltt_switch
 #endif
 
+struct ltt_buf {
+	void *start;
+	size_t length;
+	atomic_t	offset;
+	atomic_t	reserve_count;
+	atomic_t	commit_count;
+
+	atomic_t	events_lost;
+};
+
+struct lttng_trace_info {
+	int	active:1;
+	int destroy:1;
+	int filter;
+	atomic_t nesting;
+	struct {
+		struct ltt_buf facilities;
+		struct ltt_buf cpu;
+	} channel;
+};
+
+
 void __lttng_sig_trace_handler(int signo);
 
+/* Call this at the beginning of a new thread, except for the main() */
+void lttng_thread_init(void);
+
+void lttng_free_trace_info(struct lttng_trace_info *info);
+
 static inline _syscall1(int, ltt_switch, unsigned long, addr)
-static inline _syscall3(int, ltt_update, unsigned long, addr, int *, active, int *, filter)
+static inline _syscall5(int, ltt_update, unsigned long *, cpu_addr, unsigned long *, fac_addr, int *, active, int *, filter, int *, destroy)
 
 #endif //_LTTNG_USERTRACE_H