Introduce LTTNG_UST_ALLOW_BLOCKING env. var.

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

diff --git a/include/lttng/ust-ctl.h b/include/lttng/ust-ctl.h
index 379ad41f5253f205d0e7d3917176abe4fa4f6358..f83124d11bbd9276100642dff9a4041a0ac892bc 100644 (file)
--- a/include/lttng/ust-ctl.h
+++ b/include/lttng/ust-ctl.h
@@ -53,6 +53,7 @@ struct ustctl_consumer_channel_attr {
        enum lttng_ust_output output;           /* splice, mmap */
        uint32_t chan_id;                       /* channel ID */
        unsigned char uuid[LTTNG_UST_UUID_LEN]; /* Trace session unique ID */
+       int64_t blocking_timeout;                       /* Blocking timeout (usec) */
 } LTTNG_PACKED;
 
 /*
@@ -226,6 +227,7 @@ int ustctl_put_next_subbuf(struct ustctl_consumer_stream *stream);
 /* snapshot */
 
 int ustctl_snapshot(struct ustctl_consumer_stream *stream);
+int ustctl_snapshot_sample_positions(struct ustctl_consumer_stream *stream);
 int ustctl_snapshot_get_consumed(struct ustctl_consumer_stream *stream,
                unsigned long *pos);
 int ustctl_snapshot_get_produced(struct ustctl_consumer_stream *stream,
@@ -260,6 +262,9 @@ int ustctl_get_instance_id(struct ustctl_consumer_stream *stream,
 /* returns whether UST has perf counters support. */
 int ustctl_has_perf_counters(void);
 
+/* Regenerate the statedump. */
+int ustctl_regenerate_statedump(int sock, int handle);
+
 /* event registry management */
 
 enum ustctl_socket_type {
@@ -306,7 +311,7 @@ struct ustctl_integer_type {
        uint32_t signedness;
        uint32_t reverse_byte_order;
        uint32_t base;          /* 2, 8, 10, 16, for pretty print */
-       enum ustctl_string_encodings encoding;
+       int32_t encoding;       /* enum ustctl_string_encodings */
        uint16_t alignment;     /* in bits */
        char padding[USTCTL_UST_INTEGER_TYPE_PADDING];
 } LTTNG_PACKED;
@@ -320,12 +325,28 @@ struct ustctl_float_type {
        char padding[USTCTL_UST_FLOAT_TYPE_PADDING];
 } LTTNG_PACKED;
 
+#define USTCTL_UST_ENUM_VALUE_PADDING  15
+struct ustctl_enum_value {
+       uint64_t value;
+       uint8_t signedness;
+       char padding[USTCTL_UST_ENUM_VALUE_PADDING];
+} LTTNG_PACKED;
+
+enum ustctl_ust_enum_entry_options {
+       USTCTL_UST_ENUM_ENTRY_OPTION_IS_AUTO = 1U << 0,
+};
+
 #define USTCTL_UST_ENUM_ENTRY_PADDING  32
 struct ustctl_enum_entry {
-       uint64_t start, end;            /* start and end are inclusive */
+       struct ustctl_enum_value start, end; /* start and end are inclusive */
        char string[LTTNG_UST_SYM_NAME_LEN];
-       char padding[USTCTL_UST_ENUM_ENTRY_PADDING];
-};
+       union {
+               struct {
+                       uint32_t options;
+               } LTTNG_PACKED extra;
+               char padding[USTCTL_UST_ENUM_ENTRY_PADDING];
+       } u;
+} LTTNG_PACKED;
 
 #define USTCTL_UST_BASIC_TYPE_PADDING  296
 union _ustctl_basic_type {
@@ -336,7 +357,7 @@ union _ustctl_basic_type {
                uint64_t id;    /* enum ID in sessiond. */
        } enumeration;
        struct {
-               enum ustctl_string_encodings encoding;
+               int32_t encoding;       /* enum ustctl_string_encodings */
        } string;
        struct ustctl_float_type _float;
        char padding[USTCTL_UST_BASIC_TYPE_PADDING];