update compat

[lttv.git] / usertrace / lttng_usertrace.h

diff --git a/usertrace/lttng_usertrace.h b/usertrace/lttng_usertrace.h
index 944e8a0f51e1e548544145c74eb53599395aba19..600be4ffbb5915464e7874eab64b037cc7a6f95e 100644 (file)
--- 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
@@ -24,12 +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