unix: Add basic thread support using pthreads.

Has the ability to create new threads.

1 files changed, 54 insertions, 0 deletions

diff --git a/unix/mpthreadport.c b/unix/mpthreadport.c
new file mode 100644
index 0000000000..af75be1aa1
--- /dev/null
+++ b/unix/mpthreadport.c
@@ -0,0 +1,54 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016 Damien P. George on behalf of Pycom Ltd
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include <errno.h>
+
+#include "py/mpstate.h"
+#include "py/mpthread.h"
+
+#if MICROPY_PY_THREAD
+
+STATIC pthread_key_t tls_key;
+
+void mp_thread_init(void) {
+    pthread_key_create(&tls_key, NULL);
+    pthread_setspecific(tls_key, &mp_state_ctx.thread);
+}
+
+mp_state_thread_t *mp_thread_get_state(void) {
+    return (mp_state_thread_t*)pthread_getspecific(tls_key);
+}
+
+void mp_thread_set_state(void *state) {
+    pthread_setspecific(tls_key, state);
+}
+
+void mp_thread_create(void *(*entry)(void*), void *arg) {
+    pthread_t id;
+    pthread_create(&id, NULL, entry, arg);
+}
+
+#endif // MICROPY_PY_THREAD