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Diffstat (limited to 'libnetdata/threads/threads.h')
-rw-r--r-- | libnetdata/threads/threads.h | 87 |
1 files changed, 87 insertions, 0 deletions
diff --git a/libnetdata/threads/threads.h b/libnetdata/threads/threads.h new file mode 100644 index 00000000..97c3c803 --- /dev/null +++ b/libnetdata/threads/threads.h @@ -0,0 +1,87 @@ +// SPDX-License-Identifier: GPL-3.0-or-later + +#ifndef NETDATA_THREADS_H +#define NETDATA_THREADS_H 1 + +#include "../libnetdata.h" + +pid_t gettid(void); + +typedef enum { + NETDATA_THREAD_OPTION_DEFAULT = 0 << 0, + NETDATA_THREAD_OPTION_JOINABLE = 1 << 0, + NETDATA_THREAD_OPTION_DONT_LOG_STARTUP = 1 << 1, + NETDATA_THREAD_OPTION_DONT_LOG_CLEANUP = 1 << 2, + NETDATA_THREAD_OPTION_DONT_LOG = NETDATA_THREAD_OPTION_DONT_LOG_STARTUP|NETDATA_THREAD_OPTION_DONT_LOG_CLEANUP, +} NETDATA_THREAD_OPTIONS; + +#define netdata_thread_cleanup_push(func, arg) pthread_cleanup_push(func, arg) +#define netdata_thread_cleanup_pop(execute) pthread_cleanup_pop(execute) + +void netdata_thread_set_tag(const char *tag); + +typedef pthread_t netdata_thread_t; + +struct netdata_static_thread { + // the name of the thread as it should appear in the logs + char *name; + + // the section of netdata.conf to check if this is enabled or not + char *config_section; + + // the name of the config option to check if it is true or false + char *config_name; + + // the current status of the thread + volatile sig_atomic_t enabled; + + // internal use, to maintain a pointer to the created thread + netdata_thread_t *thread; + + // an initialization function to run before spawning the thread + void (*init_routine) (void); + + // the threaded worker + void *(*start_routine) (void *); + + // the environment variable to create + char *env_name; + + // global variable + bool *global_variable; +}; + +#define NETDATA_MAIN_THREAD_RUNNING CONFIG_BOOLEAN_YES +#define NETDATA_MAIN_THREAD_EXITING (CONFIG_BOOLEAN_YES + 1) +#define NETDATA_MAIN_THREAD_EXITED CONFIG_BOOLEAN_NO + +#define NETDATA_THREAD_TAG_MAX 100 +const char *netdata_thread_tag(void); +int netdata_thread_tag_exists(void); + +size_t netdata_threads_init(void); +void netdata_threads_init_after_fork(size_t stacksize); +void netdata_threads_init_for_external_plugins(size_t stacksize); + +int netdata_thread_create(netdata_thread_t *thread, const char *tag, NETDATA_THREAD_OPTIONS options, void *(*start_routine) (void *), void *arg); + +#ifdef NETDATA_INTERNAL_CHECKS +#define netdata_thread_cancel(thread) netdata_thread_cancel_with_trace(thread, __LINE__, __FILE__, __FUNCTION__) +int netdata_thread_cancel_with_trace(netdata_thread_t thread, int line, const char *file, const char *function); +#else +int netdata_thread_cancel(netdata_thread_t thread); +#endif + +int netdata_thread_join(netdata_thread_t thread, void **retval); +int netdata_thread_detach(pthread_t thread); + +#define NETDATA_THREAD_NAME_MAX 15 +void uv_thread_set_name_np(uv_thread_t ut, const char* name); +void os_thread_get_current_name_np(char threadname[NETDATA_THREAD_NAME_MAX + 1]); + +void webrtc_set_thread_name(void); + +#define netdata_thread_self pthread_self +#define netdata_thread_testcancel pthread_testcancel + +#endif //NETDATA_THREADS_H |