X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fcommon%2Fsessiond-comm%2Fsessiond-comm.h;h=c15a26f889bc83bcd682103abb4ab079622dab18;hb=f37d0f861f20a72a0b77fb43fa27744521dd7995;hp=fd1ceae117c279210071326ab3544ebe58ad2253;hpb=159b042f34366d0fde5dcd73b4231c558922a664;p=lttng-tools.git

diff --git a/src/common/sessiond-comm/sessiond-comm.h b/src/common/sessiond-comm/sessiond-comm.h
index fd1ceae11..c15a26f88 100644
--- a/src/common/sessiond-comm/sessiond-comm.h
+++ b/src/common/sessiond-comm/sessiond-comm.h
@@ -41,7 +41,12 @@
 #define LTTNG_SESSIOND_COMM_MAX_LISTEN 64
 
 /* Maximum number of FDs that can be sent over a Unix socket */
-#define LTTCOMM_MAX_SEND_FDS           4
+#if defined(__linux__)
+/* Based on the kernel's SCM_MAX_FD which is 253 since 2.6.38 (255 before) */
+#define LTTCOMM_MAX_SEND_FDS           253
+#else
+#define LTTCOMM_MAX_SEND_FDS           16
+#endif
 
 /*
  * Get the error code index from 0 since LTTCOMM_OK start at 1000
@@ -179,6 +184,7 @@ enum lttcomm_return_code {
 	LTTCOMM_CONSUMERD_TRACE_CHUNK_EXISTS_REMOTE,/* Trace chunk exists on relay daemon. */
 	LTTCOMM_CONSUMERD_UNKNOWN_TRACE_CHUNK,      /* Unknown trace chunk. */
 	LTTCOMM_CONSUMERD_RELAYD_CLEAR_DISALLOWED,  /* Relayd does not accept clear command. */
+	LTTCOMM_CONSUMERD_UNKNOWN_ERROR,            /* Unknown error. */
 
 	/* MUST be last element */
 	LTTCOMM_NR,						/* Last element */
@@ -410,6 +416,8 @@ struct lttcomm_session_msg {
 			/* An lttng_session_descriptor follows. */
 		} LTTNG_PACKED create_session;
 	} u;
+	/* Count of fds sent. */
+	uint32_t fd_count;
 } LTTNG_PACKED;
 
 #define LTTNG_FILTER_MAX_LEN	65536
@@ -501,6 +509,7 @@ struct lttcomm_lttng_msg {
 	uint32_t pid;		/* pid_t */
 	uint32_t cmd_header_size;
 	uint32_t data_size;
+	uint32_t fd_count;
 } LTTNG_PACKED;
 
 struct lttcomm_lttng_output_id {
@@ -534,6 +543,8 @@ struct lttcomm_consumer_msg {
 			uint32_t monitor;
 			/* timer to check the streams usage in live mode (usec). */
 			unsigned int live_timer_interval;
+			/* is part of a live session */
+			uint8_t is_live;
 			/* timer to sample a channel's positions (usec). */
 			unsigned int monitor_timer_interval;
 		} LTTNG_PACKED channel; /* Only used by Kernel. */
@@ -567,6 +578,7 @@ struct lttcomm_consumer_msg {
 			uint32_t switch_timer_interval;		/* usec */
 			uint32_t read_timer_interval;		/* usec */
 			unsigned int live_timer_interval;	/* usec */
+			uint8_t is_live;			/* is part of a live session */
 			uint32_t monitor_timer_interval;	/* usec */
 			int32_t output;				/* splice, mmap */
 			int32_t type;				/* metadata or per_cpu */
@@ -702,6 +714,9 @@ struct lttcomm_consumer_msg {
 		struct {
 			uint64_t key;
 		} LTTNG_PACKED clear_channel;
+		struct {
+			uint64_t key;
+		} LTTNG_PACKED open_channel_packets;
 	} u;
 } LTTNG_PACKED;