X-Git-Url: https://git.lttng.org/?a=blobdiff_plain;f=src%2Fbin%2Flttng-sessiond%2Fhealth.h;h=28d7dc64959387703dcb10e001b945cb1f6e5995;hb=ee69440bd276dbc8a5c78b0138c8e6944d571b4a;hp=91a90706a77928acbcaa2fdd83bf8b958f69e7c1;hpb=927ca06aed61ff6dd3f64ae71854f2d7f9acebe5;p=lttng-tools.git diff --git a/src/bin/lttng-sessiond/health.h b/src/bin/lttng-sessiond/health.h index 91a90706a..28d7dc649 100644 --- a/src/bin/lttng-sessiond/health.h +++ b/src/bin/lttng-sessiond/health.h @@ -73,24 +73,31 @@ struct health_state { /* Declare TLS health state. */ extern DECLARE_URCU_TLS(struct health_state, health_state); -/* Health state counters for the client command thread */ -extern struct health_state health_thread_cmd; - -/* Health state counters for the application management thread */ -extern struct health_state health_thread_app_manage; - -/* Health state counters for the application registration thread */ -extern struct health_state health_thread_app_reg; +/* + * Update current counter by 1 to indicate that the thread entered or left a + * blocking state caused by a poll(). If the counter's value is not an even + * number (meaning a code execution flow), an assert() is raised. + */ +static inline void health_poll_entry(void) +{ + /* Code MUST be in code execution state which is an even number. */ + assert(!(uatomic_read(&URCU_TLS(health_state).current) + & HEALTH_POLL_VALUE)); -/* Health state counters for the kernel thread */ -extern struct health_state health_thread_kernel; + uatomic_add(&URCU_TLS(health_state).current, HEALTH_POLL_VALUE); +} /* - * Update current counter by 1 to indicate that the thread entered or - * left a blocking state caused by a poll(). + * Update current counter by 1 indicating the exit of a poll or blocking call. + * If the counter's value is not an odd number (a poll execution), an assert() + * is raised. */ -static inline void health_poll_update(struct health_state *state) +static inline void health_poll_exit(void) { + /* Code MUST be in poll execution state which is an odd number. */ + assert(uatomic_read(&URCU_TLS(health_state).current) + & HEALTH_POLL_VALUE); + uatomic_add(&URCU_TLS(health_state).current, HEALTH_POLL_VALUE); } @@ -98,7 +105,7 @@ static inline void health_poll_update(struct health_state *state) * Update current counter by 2 indicates progress in execution of a * thread. */ -static inline void health_code_update(struct health_state *state) +static inline void health_code_update(void) { uatomic_add(&URCU_TLS(health_state).current, HEALTH_CODE_VALUE); } @@ -106,7 +113,7 @@ static inline void health_code_update(struct health_state *state) /* * Set health "error" flag. */ -static inline void health_error(struct health_state *state) +static inline void health_error(void) { uatomic_or(&URCU_TLS(health_state).flags, HEALTH_ERROR); }