X-Git-Url: http://git.lttng.org/?a=blobdiff_plain;f=include%2Flttng%2Fhealth-internal.h;h=80aa23fd549374e7cfb008b73c91e05c027d10e7;hb=HEAD;hp=ceda0a8dd5b027321c514885ea6d4124e717b710;hpb=a0377dfefe40662ba7d68617bce6ff467114136c;p=lttng-tools.git diff --git a/include/lttng/health-internal.h b/include/lttng/health-internal.h deleted file mode 100644 index ceda0a8dd..000000000 --- a/include/lttng/health-internal.h +++ /dev/null @@ -1,119 +0,0 @@ -#ifndef HEALTH_INTERNAL_H -#define HEALTH_INTERNAL_H - -/* - * Copyright (C) 2012 David Goulet - * Copyright (C) 2013 Mathieu Desnoyers - * - * SPDX-License-Identifier: GPL-2.0-only - * - */ - -#include -#include -#include -#include -#include -#include -#include - -/* - * These are the value added to the current state depending of the position in - * the thread where is either waiting on a poll() or running in the code. - */ -#define HEALTH_POLL_VALUE (1UL << 0) -#define HEALTH_CODE_VALUE (1UL << 1) - -#define HEALTH_IS_IN_POLL(x) ((x) & HEALTH_POLL_VALUE) - -struct health_app; - -enum health_flags { - HEALTH_ERROR = (1U << 0), -}; - -struct health_state { - /* - * last counter and last_time are only read and updated by the health_check - * thread (single updater). - */ - unsigned long last; - struct timespec last_time; - - /* - * current and flags are updated by multiple threads concurrently. - */ - unsigned long current; /* progress counter, updated atomically */ - enum health_flags flags; /* other flags, updated atomically */ - int type; /* Indicates the nature of the thread. */ - /* Node of the global TLS state list. */ - struct cds_list_head node; -}; - -enum health_cmd { - HEALTH_CMD_CHECK = 0, -}; - -struct health_comm_msg { - uint32_t cmd; /* enum health_cmd */ -} LTTNG_PACKED; - -struct health_comm_reply { - uint64_t ret_code; /* bitmask of threads in bad health */ -} LTTNG_PACKED; - -/* Declare TLS health state. */ -extern DECLARE_URCU_TLS(struct health_state, health_state); - -/* - * 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 LTTNG_ASSERT() is raised. - */ -static inline void health_poll_entry(void) -{ - /* Code MUST be in code execution state which is an even number. */ - LTTNG_ASSERT(!(uatomic_read(&URCU_TLS(health_state).current) - & HEALTH_POLL_VALUE)); - - uatomic_add(&URCU_TLS(health_state).current, HEALTH_POLL_VALUE); -} - -/* - * 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 LTTNG_ASSERT() - * is raised. - */ -static inline void health_poll_exit(void) -{ - /* Code MUST be in poll execution state which is an odd number. */ - LTTNG_ASSERT(uatomic_read(&URCU_TLS(health_state).current) - & HEALTH_POLL_VALUE); - - uatomic_add(&URCU_TLS(health_state).current, HEALTH_POLL_VALUE); -} - -/* - * Update current counter by 2 indicates progress in execution of a - * thread. - */ -static inline void health_code_update(void) -{ - uatomic_add(&URCU_TLS(health_state).current, HEALTH_CODE_VALUE); -} - -/* - * Set health "error" flag. - */ -static inline void health_error(void) -{ - uatomic_or(&URCU_TLS(health_state).flags, HEALTH_ERROR); -} - -struct health_app *health_app_create(int nr_types); -void health_app_destroy(struct health_app *ha); -int health_check_state(struct health_app *ha, int type); -void health_register(struct health_app *ha, int type); -void health_unregister(struct health_app *ha); - -#endif /* HEALTH_INTERNAL_H */