X-Git-Url: https://git.lttng.org/?p=lttng-tools.git;a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fconsumer.h;h=5e8ad9b9e7c006bb1999d09a9ba7777c98ff0d94;hp=1337f32ac0e09e29d39cd5612cfc26e0d0d668c1;hb=a23ec3a78becfaeca0041c4a6747d30b3ac44bfd;hpb=7f51dcba1efdc03c85412a75ab71894a1b5af798 diff --git a/src/bin/lttng-sessiond/consumer.h b/src/bin/lttng-sessiond/consumer.h index 1337f32ac..5e8ad9b9e 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 - #include #include #include @@ -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;