Introduce LTTNG_UST_ALLOW_BLOCKING env. var.

[lttng-ust.git] / include / lttng / ust-abi.h

diff --git a/include/lttng/ust-abi.h b/include/lttng/ust-abi.h
index 6e8f8d7be3691a7f8d5592ab84667011b498e946..4976b1bf61ce4786c1288933e29f0f4dcb6fb315 100644 (file)
--- a/include/lttng/ust-abi.h
+++ b/include/lttng/ust-abi.h
@@ -43,7 +43,7 @@
 
 /* Version for ABI between liblttng-ust, sessiond, consumerd */
 #define LTTNG_UST_ABI_MAJOR_VERSION            7
-#define LTTNG_UST_ABI_MINOR_VERSION            1
+#define LTTNG_UST_ABI_MINOR_VERSION            2
 
 enum lttng_ust_instrumentation {
        LTTNG_UST_TRACEPOINT            = 0,
@@ -177,7 +177,12 @@ struct lttng_ust_channel_attr {
        unsigned int switch_timer_interval;     /* usec */
        unsigned int read_timer_interval;       /* usec */
        enum lttng_ust_output output;           /* splice, mmap */
-       char padding[LTTNG_UST_CHANNEL_ATTR_PADDING];
+       union {
+               struct {
+                       int64_t blocking_timeout;       /* Blocking timeout (usec) */
+               } s;
+               char padding[LTTNG_UST_CHANNEL_ATTR_PADDING];
+       } u;
 } LTTNG_PACKED;
 
 #define LTTNG_UST_TRACEPOINT_ITER_PADDING      16