1 files changed, 120 insertions, 0 deletions
diff --git a/components/libc/cplusplus/cpp11/armclang/thread.cpp b/components/libc/cplusplus/cpp11/armclang/thread.cpp
new file mode 100644
index 0000000000..e10ffb9cfe
--- /dev/null
+++ b/components/libc/cplusplus/cpp11/armclang/thread.cpp
@@ -0,0 +1,120 @@
+/*
+ * Copyright (c) 2006-2021, RT-Thread Development Team
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2021-04-27     flybreak     the first version.
+ */
+
+#include <arm-tpl.h>
+#include "tpl.h"
+#include <cstdio>
+#include <pthread.h>
+
+#define CPP11_DEFAULT_ID_OFFSET 1
+
+extern "C" int __ARM_TPL_thread_create(__ARM_TPL_thread_t *__t,
+                                       void *(*__func)(void *),
+                                       void *__arg)
+{
+    int ret = 0;
+    pthread_t pid;
+    ret = pthread_create(&pid, RT_NULL, __func, __arg);
+    if (ret == 0)
+    {
+        __t->data = (std::uintptr_t)pid + CPP11_DEFAULT_ID_OFFSET;
+        return 0;
+    }
+    return -1;
+}
+
+extern "C" int __ARM_TPL_thread_id_compare(__ARM_TPL_thread_id __tid1,
+        __ARM_TPL_thread_id __tid2)
+{
+    if (__tid1 > __tid2)
+        return 1;
+    else if (__tid1 < __tid2)
+        return -1;
+    else
+        return 0;
+}
+
+extern "C" __ARM_TPL_thread_id __ARM_TPL_thread_get_current_id()
+{
+    return (__ARM_TPL_thread_id)pthread_self();
+}
+
+extern "C" __ARM_TPL_thread_id __ARM_TPL_thread_get_id(
+    const __ARM_TPL_thread_t *__t)
+{
+    return (__ARM_TPL_thread_id)(((pthread_t)__t->data - CPP11_DEFAULT_ID_OFFSET));
+}
+
+extern "C" int __ARM_TPL_thread_join(__ARM_TPL_thread_t *__t)
+{
+    pthread_join(((pthread_t)__t->data - CPP11_DEFAULT_ID_OFFSET), RT_NULL);
+    return 0;
+}
+
+extern "C" int __ARM_TPL_thread_detach(__ARM_TPL_thread_t *__t)
+{
+    pthread_detach(((pthread_t)__t->data - CPP11_DEFAULT_ID_OFFSET));
+    return 0;
+}
+
+extern "C" void __ARM_TPL_thread_yield()
+{
+    rt_thread_yield();
+}
+
+extern "C" int __ARM_TPL_thread_nanosleep(const __ARM_TPL_timespec_t *__req,
+        __ARM_TPL_timespec_t *__rem)
+{
+    rt_tick_t tick;
+
+    tick = __req->tv_sec * RT_TICK_PER_SECOND + (__req->tv_nsec * RT_TICK_PER_SECOND)/ 1000000000;
+    rt_thread_delay(tick);
+
+    if (__rem)
+    {
+        tick = rt_tick_get() - tick;
+        /* get the passed time */
+        __rem->tv_sec = tick/RT_TICK_PER_SECOND;
+        __rem->tv_nsec = (tick%RT_TICK_PER_SECOND) * (1000000000/RT_TICK_PER_SECOND);
+    }
+    return 0;
+}
+
+extern "C" unsigned __ARM_TPL_thread_hw_concurrency()
+{
+    return 1;
+}
+
+extern "C" int __ARM_TPL_tls_create(__ARM_TPL_tls_key *__key,
+                                    void (*__at_exit)(void *))
+{
+    pthread_key_t key;
+
+    if (pthread_key_create(&key, __at_exit) == 0)
+    {
+        *__key = key;
+        return 0;
+    }
+    return -1;
+}
+
+extern "C" void *__ARM_TPL_tls_get(__ARM_TPL_tls_key __key)
+{
+    return pthread_getspecific(__key);
+}
+
+extern "C" int __ARM_TPL_tls_set(__ARM_TPL_tls_key __key, void *__p)
+{
+    if (pthread_setspecific(__key, (void*)__p) != 0)
+    {
+        return -1;
+    }
+    return 0;
+}