Merging upstream version 1.46.3.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 0 insertions, 340 deletions

diff --git a/libnetdata/threads/threads.c b/libnetdata/threads/threads.c
deleted file mode 100644
index c14f9a7e..00000000
--- a/libnetdata/threads/threads.c
+++ /dev/null
@@ -1,340 +0,0 @@
-// SPDX-License-Identifier: GPL-3.0-or-later
-
-#include "../libnetdata.h"
-
-static pthread_attr_t *netdata_threads_attr = NULL;
-
-// ----------------------------------------------------------------------------
-// per thread data
-
-typedef struct {
-    void *arg;
-    char tag[NETDATA_THREAD_NAME_MAX + 1];
-    void *(*start_routine) (void *);
-    NETDATA_THREAD_OPTIONS options;
-} NETDATA_THREAD;
-
-static __thread NETDATA_THREAD *netdata_thread = NULL;
-
-inline int netdata_thread_tag_exists(void) {
-    return (netdata_thread && *netdata_thread->tag);
-}
-
-static const char *thread_name_get(bool recheck) {
-    static __thread char threadname[NETDATA_THREAD_NAME_MAX + 1] = "";
-
-    if(netdata_thread_tag_exists())
-        strncpyz(threadname, netdata_thread->tag, NETDATA_THREAD_NAME_MAX);
-    else {
-        if(!recheck && threadname[0])
-            return threadname;
-
-#if defined(__FreeBSD__)
-        pthread_get_name_np(pthread_self(), threadname, NETDATA_THREAD_NAME_MAX + 1);
-        if(strcmp(threadname, "netdata") == 0)
-            strncpyz(threadname, "MAIN", NETDATA_THREAD_NAME_MAX);
-#elif defined(__APPLE__)
-        strncpyz(threadname, "MAIN", NETDATA_THREAD_NAME_MAX);
-#elif defined(HAVE_PTHREAD_GETNAME_NP)
-        pthread_getname_np(pthread_self(), threadname, NETDATA_THREAD_NAME_MAX + 1);
-        if(strcmp(threadname, "netdata") == 0)
-            strncpyz(threadname, "MAIN", NETDATA_THREAD_NAME_MAX);
-#else
-        strncpyz(threadname, "MAIN", NETDATA_THREAD_NAME_MAX);
-#endif
-    }
-
-    return threadname;
-}
-
-const char *netdata_thread_tag(void) {
-    return thread_name_get(false);
-}
-
-static size_t webrtc_id = 0;
-static __thread bool webrtc_name_set = false;
-void webrtc_set_thread_name(void) {
-    if(!netdata_thread && !webrtc_name_set) {
-        webrtc_name_set = true;
-        char threadname[NETDATA_THREAD_NAME_MAX + 1];
-
-#if defined(__FreeBSD__)
-        snprintfz(threadname, NETDATA_THREAD_NAME_MAX, "WEBRTC[%zu]", __atomic_fetch_add(&webrtc_id, 1, __ATOMIC_RELAXED));
-        pthread_set_name_np(pthread_self(), threadname);
-#elif defined(__APPLE__)
-        snprintfz(threadname, NETDATA_THREAD_NAME_MAX, "WEBRTC[%zu]", __atomic_fetch_add(&webrtc_id, 1, __ATOMIC_RELAXED));
-        pthread_setname_np(threadname);
-#elif defined(HAVE_PTHREAD_GETNAME_NP)
-        pthread_getname_np(pthread_self(), threadname, NETDATA_THREAD_NAME_MAX+1);
-        if(strcmp(threadname, "netdata") == 0) {
-            snprintfz(threadname, NETDATA_THREAD_NAME_MAX, "WEBRTC[%zu]", __atomic_fetch_add(&webrtc_id, 1, __ATOMIC_RELAXED));
-            pthread_setname_np(pthread_self(), threadname);
-        }
-#else
-        snprintfz(threadname, NETDATA_THREAD_NAME_MAX, "WEBRTC[%zu]", __atomic_fetch_add(&webrtc_id, 1, __ATOMIC_RELAXED));
-        pthread_setname_np(pthread_self(), threadname);
-#endif
-
-        thread_name_get(true);
-    }
-}
-
-// ----------------------------------------------------------------------------
-// compatibility library functions
-
-static __thread pid_t gettid_cached_tid = 0;
-pid_t gettid(void) {
-    pid_t tid = 0;
-
-    if(likely(gettid_cached_tid > 0))
-        return gettid_cached_tid;
-
-#ifdef __FreeBSD__
-
-    tid = (pid_t)pthread_getthreadid_np();
-
-#elif defined(__APPLE__)
-
-    #if (defined __MAC_OS_X_VERSION_MIN_REQUIRED && __MAC_OS_X_VERSION_MIN_REQUIRED >= 1060)
-        uint64_t curthreadid;
-        pthread_threadid_np(NULL, &curthreadid);
-        tid = (pid_t)curthreadid;
-    #else /* __MAC_OS_X_VERSION_MIN_REQUIRED */
-        tid = (pid_t)pthread_self;
-    #endif /* __MAC_OS_X_VERSION_MIN_REQUIRED */
-
-#else /* __APPLE__*/
-
-    tid = (pid_t)syscall(SYS_gettid);
-
-#endif /* __FreeBSD__, __APPLE__*/
-
-    gettid_cached_tid = tid;
-    return tid;
-}
-
-// ----------------------------------------------------------------------------
-// early initialization
-
-size_t netdata_threads_init(void) {
-    int i;
-
-    // --------------------------------------------------------------------
-    // get the required stack size of the threads of netdata
-
-    if(!netdata_threads_attr) {
-        netdata_threads_attr = callocz(1, sizeof(pthread_attr_t));
-        i = pthread_attr_init(netdata_threads_attr);
-        if (i != 0)
-            fatal("pthread_attr_init() failed with code %d.", i);
-    }
-
-    size_t stacksize = 0;
-    i = pthread_attr_getstacksize(netdata_threads_attr, &stacksize);
-    if(i != 0)
-        fatal("pthread_attr_getstacksize() failed with code %d.", i);
-
-    return stacksize;
-}
-
-// ----------------------------------------------------------------------------
-// late initialization
-
-void netdata_threads_init_after_fork(size_t stacksize) {
-    int i;
-
-    // ------------------------------------------------------------------------
-    // set pthread stack size
-
-    if(netdata_threads_attr && stacksize > (size_t)PTHREAD_STACK_MIN) {
-        i = pthread_attr_setstacksize(netdata_threads_attr, stacksize);
-        if(i != 0)
-            nd_log(NDLS_DAEMON, NDLP_WARNING, "pthread_attr_setstacksize() to %zu bytes, failed with code %d.", stacksize, i);
-        else
-            nd_log(NDLS_DAEMON, NDLP_DEBUG, "Set threads stack size to %zu bytes", stacksize);
-    }
-    else
-        nd_log(NDLS_DAEMON, NDLP_WARNING, "Invalid pthread stacksize %zu", stacksize);
-}
-
-// ----------------------------------------------------------------------------
-// threads init for external plugins
-
-void netdata_threads_init_for_external_plugins(size_t stacksize) {
-    size_t default_stacksize = netdata_threads_init();
-    if(default_stacksize < 1 * 1024 * 1024)
-        default_stacksize = 1 * 1024 * 1024;
-
-    netdata_threads_init_after_fork(stacksize ? stacksize : default_stacksize);
-}
-
-// ----------------------------------------------------------------------------
-// netdata_thread_create
-
-void rrdset_thread_rda_free(void);
-void sender_thread_buffer_free(void);
-void query_target_free(void);
-void service_exits(void);
-void rrd_collector_finished(void);
-
-static void thread_cleanup(void *ptr) {
-    if(netdata_thread != ptr) {
-        NETDATA_THREAD *info = (NETDATA_THREAD *)ptr;
-        nd_log(NDLS_DAEMON, NDLP_ERR, "THREADS: internal error - thread local variable does not match the one passed to this function. Expected thread '%s', passed thread '%s'", netdata_thread->tag, info->tag);
-    }
-
-    if(!(netdata_thread->options & NETDATA_THREAD_OPTION_DONT_LOG_CLEANUP))
-        nd_log(NDLS_DAEMON, NDLP_DEBUG, "thread with task id %d finished", gettid());
-
-    rrd_collector_finished();
-    sender_thread_buffer_free();
-    rrdset_thread_rda_free();
-    query_target_free();
-    thread_cache_destroy();
-    service_exits();
-    worker_unregister();
-
-    netdata_thread->tag[0] = '\0';
-
-    freez(netdata_thread);
-    netdata_thread = NULL;
-}
-
-void netdata_thread_set_tag(const char *tag) {
-    if(!tag || !*tag)
-        return;
-
-    int ret = 0;
-
-    char threadname[NETDATA_THREAD_NAME_MAX+1];
-    strncpyz(threadname, tag, NETDATA_THREAD_NAME_MAX);
-
-#if defined(__FreeBSD__)
-    pthread_set_name_np(pthread_self(), threadname);
-#elif defined(__APPLE__)
-    ret = pthread_setname_np(threadname);
-#else
-    ret = pthread_setname_np(pthread_self(), threadname);
-#endif
-
-    if (ret != 0)
-        nd_log(NDLS_DAEMON, NDLP_WARNING, "cannot set pthread name of %d to %s. ErrCode: %d", gettid(), threadname, ret);
-    else
-        nd_log(NDLS_DAEMON, NDLP_DEBUG, "set name of thread %d to %s", gettid(), threadname);
-
-    if(netdata_thread) {
-        strncpyz(netdata_thread->tag, threadname, sizeof(netdata_thread->tag) - 1);
-    }
-}
-
-void uv_thread_set_name_np(uv_thread_t ut, const char* name) {
-    int ret = 0;
-
-    char threadname[NETDATA_THREAD_NAME_MAX+1];
-    strncpyz(threadname, name, NETDATA_THREAD_NAME_MAX);
-
-#if defined(__FreeBSD__)
-    pthread_set_name_np(ut ? ut : pthread_self(), threadname);
-#elif defined(__APPLE__)
-    // Apple can only set its own name
-    UNUSED(ut);
-#else
-    ret = pthread_setname_np(ut ? ut : pthread_self(), threadname);
-#endif
-
-    thread_name_get(true);
-
-    if (ret)
-        nd_log(NDLS_DAEMON, NDLP_NOTICE, "cannot set libuv thread name to %s. Err: %d", threadname, ret);
-}
-
-void os_thread_get_current_name_np(char threadname[NETDATA_THREAD_NAME_MAX + 1])
-{
-    threadname[0] = '\0';
-#if defined(__FreeBSD__)
-    pthread_get_name_np(pthread_self(), threadname, NETDATA_THREAD_NAME_MAX + 1);
-#elif defined(HAVE_PTHREAD_GETNAME_NP) /* Linux & macOS */
-    (void)pthread_getname_np(pthread_self(), threadname, NETDATA_THREAD_NAME_MAX + 1);
-#endif
-}
-
-static void *netdata_thread_init(void *ptr) {
-    netdata_thread = (NETDATA_THREAD *)ptr;
-
-    if(!(netdata_thread->options & NETDATA_THREAD_OPTION_DONT_LOG_STARTUP))
-        nd_log(NDLS_DAEMON, NDLP_DEBUG, "thread created with task id %d", gettid());
-
-    if(pthread_setcanceltype(PTHREAD_CANCEL_DEFERRED, NULL) != 0)
-        nd_log(NDLS_DAEMON, NDLP_WARNING, "cannot set pthread cancel type to DEFERRED.");
-
-    if(pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL) != 0)
-        nd_log(NDLS_DAEMON, NDLP_WARNING, "cannot set pthread cancel state to ENABLE.");
-
-    netdata_thread_set_tag(netdata_thread->tag);
-
-    if (!(netdata_thread->options & NETDATA_THREAD_OPTION_JOINABLE)) {
-        int rc = pthread_detach(pthread_self());
-        if (rc != 0)
-            nd_log(NDLS_DAEMON, NDLP_WARNING,
-                   "cannot request detach of newly created %s thread. pthread_detach() failed with code %d",
-                   netdata_thread->tag, rc);
-    }
-
-    void *ret = NULL;
-    pthread_cleanup_push(thread_cleanup, ptr);
-            ret = netdata_thread->start_routine(netdata_thread->arg);
-    pthread_cleanup_pop(1);
-
-    return ret;
-}
-
-int netdata_thread_create(netdata_thread_t *thread, const char *tag, NETDATA_THREAD_OPTIONS options, void *(*start_routine) (void *), void *arg) {
-    NETDATA_THREAD *info = callocz(1, sizeof(NETDATA_THREAD));
-    info->arg = arg;
-    info->start_routine = start_routine;
-    info->options = options;
-    strncpyz(info->tag, tag, NETDATA_THREAD_NAME_MAX);
-
-    int ret = pthread_create(thread, netdata_threads_attr, netdata_thread_init, info);
-    if(ret != 0)
-        nd_log(NDLS_DAEMON, NDLP_ERR, "failed to create new thread for %s. pthread_create() failed with code %d", tag, ret);
-
-    return ret;
-}
-
-// ----------------------------------------------------------------------------
-// netdata_thread_cancel
-#ifdef NETDATA_INTERNAL_CHECKS
-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 ret = pthread_cancel(thread);
-    if(ret != 0)
-#ifdef NETDATA_INTERNAL_CHECKS
-        nd_log(NDLS_DAEMON, NDLP_WARNING, "cannot cancel thread. pthread_cancel() failed with code %d at %d@%s, function %s()", ret, line, file, function);
-#else
-        nd_log(NDLS_DAEMON, NDLP_WARNING, "cannot cancel thread. pthread_cancel() failed with code %d.", ret);
-#endif
-
-    return ret;
-}
-
-// ----------------------------------------------------------------------------
-// netdata_thread_join
-
-int netdata_thread_join(netdata_thread_t thread, void **retval) {
-    int ret = pthread_join(thread, retval);
-    if(ret != 0)
-        nd_log(NDLS_DAEMON, NDLP_WARNING, "cannot join thread. pthread_join() failed with code %d.", ret);
-
-    return ret;
-}
-
-int netdata_thread_detach(pthread_t thread) {
-    int ret = pthread_detach(thread);
-    if(ret != 0)
-        nd_log(NDLS_DAEMON, NDLP_WARNING, "cannot detach thread. pthread_detach() failed with code %d.", ret);
-
-    return ret;
-}