X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fconsumer.h;h=1e7e3b1d579cc1287ac20abd45ccf35d5a70875a;hp=1337f32ac0e09e29d39cd5612cfc26e0d0d668c1;hb=5922e6c21e0ad1a5050b2440bcc14f15abd9c5f4;hpb=2f77fc4b3720dc8f75847130498c2d4aad7c03ec

diff --git a/src/bin/lttng-sessiond/consumer.h b/src/bin/lttng-sessiond/consumer.h
index 1337f32ac..1e7e3b1d5 100644
--- a/src/bin/lttng-sessiond/consumer.h
+++ b/src/bin/lttng-sessiond/consumer.h
@@ -18,8 +18,6 @@
 #ifndef _CONSUMER_H
 #define _CONSUMER_H
 
-#include <semaphore.h>
-
 #include <common/consumer.h>
 #include <common/hashtable/hashtable.h>
 #include <lttng/lttng.h>
@@ -54,7 +52,24 @@ struct consumer_data {
 	enum lttng_consumer_type type;
 
 	pthread_t thread;	/* Worker thread interacting with the consumer */
-	sem_t sem;
+
+	/* Conditions used by the consumer thread to indicate readiness. */
+	pthread_cond_t cond;
+	pthread_condattr_t condattr;
+	pthread_mutex_t cond_mutex;
+
+	/*
+	 * This is a flag condition indicating that the consumer thread is ready
+	 * and connected to the lttng-consumerd daemon. This flag MUST only be
+	 * updated by locking the condition mutex above or before spawning a
+	 * consumer thread.
+	 *
+	 * A value of 0 means that the thread is NOT ready. A value of 1 means that
+	 * the thread consumer did connect successfully to the lttng-consumerd
+	 * daemon. A negative value indicates that there is been an error and the
+	 * thread has likely quit.
+	 */
+	int consumer_thread_is_ready;
 
 	/* Mutex to control consumerd pid assignation */
 	pthread_mutex_t pid_mutex;
@@ -97,7 +112,8 @@ struct consumer_net {
 	struct lttng_uri data;
 
 	/* Flag if network sockets were sent to the consumer. */
-	unsigned int relayd_socks_sent;
+	unsigned int control_sock_sent;
+	unsigned int data_sock_sent;
 };
 
 /*
@@ -147,15 +163,18 @@ struct consumer_output *consumer_copy_output(struct consumer_output *obj);
 void consumer_destroy_output(struct consumer_output *obj);
 int consumer_set_network_uri(struct consumer_output *obj,
 		struct lttng_uri *uri);
-int consumer_send_fds(int sock, int *fds, size_t nb_fd);
-int consumer_send_stream(int sock, struct consumer_output *dst,
-		struct lttcomm_consumer_msg *msg, int *fds, size_t nb_fd);
-int consumer_send_channel(int sock, struct lttcomm_consumer_msg *msg);
-int consumer_send_relayd_socket(int consumer_sock,
+int consumer_send_fds(struct consumer_socket *sock, int *fds, size_t nb_fd);
+int consumer_send_stream(struct consumer_socket *sock,
+		struct consumer_output *dst, struct lttcomm_consumer_msg *msg,
+		int *fds, size_t nb_fd);
+int consumer_send_channel(struct consumer_socket *sock,
+		struct lttcomm_consumer_msg *msg);
+int consumer_send_relayd_socket(struct consumer_socket *consumer_sock,
 		struct lttcomm_sock *sock, struct consumer_output *consumer,
-		enum lttng_stream_type type);
+		enum lttng_stream_type type, unsigned int session_id);
 int consumer_send_destroy_relayd(struct consumer_socket *sock,
 		struct consumer_output *consumer);
+int consumer_recv_status_reply(struct consumer_socket *sock);
 void consumer_output_send_destroy_relayd(struct consumer_output *consumer);
 int consumer_create_socket(struct consumer_data *data,
 		struct consumer_output *output);
@@ -174,12 +193,16 @@ void consumer_init_stream_comm_msg(struct lttcomm_consumer_msg *msg,
 		int net_index,
 		unsigned int metadata_flag,
 		const char *name,
-		const char *pathname);
+		const char *pathname,
+		unsigned int session_id);
 void consumer_init_channel_comm_msg(struct lttcomm_consumer_msg *msg,
 		enum lttng_consumer_command cmd,
 		int channel_key,
 		uint64_t max_sb_size,
 		uint64_t mmap_len,
-		const char *name);
+		const char *name,
+		unsigned int nb_init_streams);
+int consumer_is_data_pending(unsigned int id,
+		struct consumer_output *consumer);
 
 #endif /* _CONSUMER_H */