pow-testgiver support

tdutils/td/utils/port/detail/ThreadPthread.cpp

@@ -0,0 +1,114 @@
+/*
+    This file is part of TON Blockchain Library.
+
+    TON Blockchain Library is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 2 of the License, or
+    (at your option) any later version.
+
+    TON Blockchain Library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with TON Blockchain Library.  If not, see <http://www.gnu.org/licenses/>.
+
+    Copyright 2017-2020 Telegram Systems LLP
+*/
+
+#include "td/utils/port/detail/ThreadPthread.h"
+
+char disable_linker_warning_about_empty_file_thread_pthread_cpp TD_UNUSED;
+
+#if TD_THREAD_PTHREAD
+
+#include "td/utils/misc.h"
+
+#include <pthread.h>
+#include <sched.h>
+#if TD_FREEBSD || TD_OPENBSD || TD_NETBSD
+#include <sys/sysctl.h>
+#endif
+#include <unistd.h>
+
+namespace td {
+namespace detail {
+unsigned ThreadPthread::hardware_concurrency() {
+// Linux and macOS
+#if defined(_SC_NPROCESSORS_ONLN)
+  {
+    auto res = sysconf(_SC_NPROCESSORS_ONLN);
+    if (res > 0) {
+      return narrow_cast<unsigned>(res);
+    }
+  }
+#endif
+
+#if TD_FREEBSD || TD_OPENBSD || TD_NETBSD
+#if defined(HW_AVAILCPU) && defined(CTL_HW)
+  {
+    int mib[2] = {CTL_HW, HW_AVAILCPU};
+    int res{0};
+    size_t len = sizeof(res);
+    if (sysctl(mib, 2, &res, &len, nullptr, 0) == 0 && res != 0) {
+      return res;
+    }
+  }
+#endif
+
+#if defined(HW_NCPU) && defined(CTL_HW)
+  {
+    int mib[2] = {CTL_HW, HW_NCPU};
+    int res{0};
+    size_t len = sizeof(res);
+    if (sysctl(mib, 2, &res, &len, nullptr, 0) == 0 && res != 0) {
+      return res;
+    }
+  }
+#endif
+#endif
+
+  // Just in case
+  return 8;
+}
+
+void ThreadPthread::set_name(CSlice name) {
+#if defined(_GNU_SOURCE) && defined(__GLIBC_PREREQ)
+#if __GLIBC_PREREQ(2, 12)
+  pthread_setname_np(thread_, name.c_str());
+#endif
+#endif
+}
+
+void ThreadPthread::join() {
+  if (is_inited_.get()) {
+    is_inited_ = false;
+    pthread_join(thread_, nullptr);
+  }
+}
+
+void ThreadPthread::detach() {
+  if (is_inited_.get()) {
+    is_inited_ = false;
+    pthread_detach(thread_);
+  }
+}
+
+int ThreadPthread::do_pthread_create(pthread_t *thread, const pthread_attr_t *attr, void *(*start_routine)(void *),
+                                     void *arg) {
+  return pthread_create(thread, attr, start_routine, arg);
+}
+
+namespace this_thread_pthread {
+void yield() {
+  sched_yield();
+}
+ThreadPthread::id get_id() {
+  return pthread_self();
+}
+}  // namespace this_thread_pthread
+
+}  // namespace detail
+}  // namespace td
+#endif