1 files changed, 114 insertions, 0 deletions
diff --git a/src/libnetdata/threads/threads.h b/src/libnetdata/threads/threads.h
new file mode 100644
index 00000000..a7204e2a
--- /dev/null
+++ b/src/libnetdata/threads/threads.h
@@ -0,0 +1,114 @@
+// SPDX-License-Identifier: GPL-3.0-or-later
+
+#ifndef NETDATA_THREADS_H
+#define NETDATA_THREADS_H 1
+
+#include "../libnetdata.h"
+
+typedef enum __attribute__((packed)) {
+    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_STATUS_STARTED          = 1 << 3,
+    NETDATA_THREAD_STATUS_FINISHED         = 1 << 4,
+    NETDATA_THREAD_STATUS_JOINED           = 1 << 5,
+} NETDATA_THREAD_OPTIONS;
+
+#define NETDATA_THREAD_OPTIONS_ALL (NETDATA_THREAD_OPTION_JOINABLE | NETDATA_THREAD_OPTION_DONT_LOG_STARTUP | NETDATA_THREAD_OPTION_DONT_LOG_CLEANUP)
+#define NETDATA_THREAD_OPTION_DONT_LOG (NETDATA_THREAD_OPTION_DONT_LOG_STARTUP | NETDATA_THREAD_OPTION_DONT_LOG_CLEANUP)
+
+#define netdata_thread_cleanup_push(func, arg) pthread_cleanup_push(func, arg)
+#define netdata_thread_cleanup_pop(execute) pthread_cleanup_pop(execute)
+
+void nd_thread_tag_set(const char *tag);
+
+typedef struct nd_thread ND_THREAD;
+
+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
+    ND_THREAD *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 *nd_thread_tag(void);
+int nd_thread_has_tag(void);
+
+#define THREAD_TAG_STREAM_RECEIVER "RCVR"
+#define THREAD_TAG_STREAM_SENDER "SNDR"
+
+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);
+
+ND_THREAD *nd_thread_create(const char *tag, NETDATA_THREAD_OPTIONS options, void *(*start_routine) (void *), void *arg);
+void nd_thread_join(ND_THREAD * nti);
+ND_THREAD *nd_thread_self(void);
+bool nd_thread_is_me(ND_THREAD *nti);
+
+typedef void (*nd_thread_canceller)(void *data);
+void nd_thread_register_canceller(nd_thread_canceller cb, void *data);
+void nd_thread_signal_cancel(ND_THREAD *nti);
+bool nd_thread_signaled_to_cancel(void);
+
+#define ND_THREAD_TAG_MAX 15
+void uv_thread_set_name_np(const char* name);
+void webrtc_set_thread_name(void);
+
+#ifdef NETDATA_INTERNAL_CHECKS
+void nd_thread_rwlock_read_locked(void);
+void nd_thread_rwlock_read_unlocked(void);
+void nd_thread_rwlock_write_locked(void);
+void nd_thread_rwlock_write_unlocked(void);
+void nd_thread_mutex_locked(void);
+void nd_thread_mutex_unlocked(void);
+void nd_thread_spinlock_locked(void);
+void nd_thread_spinlock_unlocked(void);
+void nd_thread_rwspinlock_read_locked(void);
+void nd_thread_rwspinlock_read_unlocked(void);
+void nd_thread_rwspinlock_write_locked(void);
+void nd_thread_rwspinlock_write_unlocked(void);
+#else
+#define nd_thread_rwlock_read_locked() debug_dummy()
+#define nd_thread_rwlock_read_unlocked() debug_dummy()
+#define nd_thread_rwlock_write_locked() debug_dummy()
+#define nd_thread_rwlock_write_unlocked() debug_dummy()
+#define nd_thread_mutex_locked() debug_dummy()
+#define nd_thread_mutex_unlocked() debug_dummy()
+#define nd_thread_spinlock_locked() debug_dummy()
+#define nd_thread_spinlock_unlocked() debug_dummy()
+#define nd_thread_rwspinlock_read_locked() debug_dummy()
+#define nd_thread_rwspinlock_read_unlocked() debug_dummy()
+#define nd_thread_rwspinlock_write_locked() debug_dummy()
+#define nd_thread_rwspinlock_write_unlocked() debug_dummy()
+#endif
+
+#endif //NETDATA_THREADS_H