Library import 16 (#2433)

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1 files changed, 182 insertions, 0 deletions

diff --git a/contrib/tools/python3/Python/thread_pthread_stubs.h b/contrib/tools/python3/Python/thread_pthread_stubs.h
new file mode 100644
index 0000000000..56e5b61419
--- /dev/null
+++ b/contrib/tools/python3/Python/thread_pthread_stubs.h
@@ -0,0 +1,182 @@
+#include "cpython/pthread_stubs.h"
+
+// mutex
+int
+pthread_mutex_init(pthread_mutex_t *restrict mutex,
+                   const pthread_mutexattr_t *restrict attr)
+{
+    return 0;
+}
+
+int
+pthread_mutex_destroy(pthread_mutex_t *mutex)
+{
+    return 0;
+}
+
+int
+pthread_mutex_trylock(pthread_mutex_t *mutex)
+{
+    return 0;
+}
+
+int
+pthread_mutex_lock(pthread_mutex_t *mutex)
+{
+    return 0;
+}
+
+int
+pthread_mutex_unlock(pthread_mutex_t *mutex)
+{
+    return 0;
+}
+
+// condition
+int
+pthread_cond_init(pthread_cond_t *restrict cond,
+                  const pthread_condattr_t *restrict attr)
+{
+    return 0;
+}
+
+PyAPI_FUNC(int)pthread_cond_destroy(pthread_cond_t *cond)
+{
+    return 0;
+}
+
+int
+pthread_cond_wait(pthread_cond_t *restrict cond,
+                  pthread_mutex_t *restrict mutex)
+{
+    return 0;
+}
+
+int
+pthread_cond_timedwait(pthread_cond_t *restrict cond,
+                       pthread_mutex_t *restrict mutex,
+                       const struct timespec *restrict abstime)
+{
+    return 0;
+}
+
+int
+pthread_cond_signal(pthread_cond_t *cond)
+{
+    return 0;
+}
+
+int
+pthread_condattr_init(pthread_condattr_t *attr)
+{
+    return 0;
+}
+
+int
+pthread_condattr_setclock(pthread_condattr_t *attr, clockid_t clock_id)
+{
+    return 0;
+}
+
+// pthread
+int
+pthread_create(pthread_t *restrict thread,
+               const pthread_attr_t *restrict attr,
+               void *(*start_routine)(void *),
+               void *restrict arg)
+{
+    return EAGAIN;
+}
+
+int
+pthread_detach(pthread_t thread)
+{
+    return 0;
+}
+
+PyAPI_FUNC(pthread_t) pthread_self(void)
+{
+    return 0;
+}
+
+int
+pthread_exit(void *retval)
+{
+    exit(0);
+}
+
+int
+pthread_attr_init(pthread_attr_t *attr)
+{
+    return 0;
+}
+
+int
+pthread_attr_setstacksize(
+    pthread_attr_t *attr, size_t stacksize)
+{
+    return 0;
+}
+
+int
+pthread_attr_destroy(pthread_attr_t *attr)
+{
+    return 0;
+}
+
+
+typedef struct py_stub_tls_entry py_tls_entry;
+
+#define py_tls_entries (_PyRuntime.threads.stubs.tls_entries)
+
+int
+pthread_key_create(pthread_key_t *key, void (*destr_function)(void *))
+{
+    if (!key) {
+        return EINVAL;
+    }
+    if (destr_function != NULL) {
+        Py_FatalError("pthread_key_create destructor is not supported");
+    }
+    for (pthread_key_t idx = 0; idx < PTHREAD_KEYS_MAX; idx++) {
+        if (!py_tls_entries[idx].in_use) {
+            py_tls_entries[idx].in_use = true;
+            *key = idx;
+            return 0;
+        }
+    }
+    return EAGAIN;
+}
+
+int
+pthread_key_delete(pthread_key_t key)
+{
+    if (key < 0 || key >= PTHREAD_KEYS_MAX || !py_tls_entries[key].in_use) {
+        return EINVAL;
+    }
+    py_tls_entries[key].in_use = false;
+    py_tls_entries[key].value = NULL;
+    return 0;
+}
+
+
+void *
+pthread_getspecific(pthread_key_t key) {
+    if (key < 0 || key >= PTHREAD_KEYS_MAX || !py_tls_entries[key].in_use) {
+        return NULL;
+    }
+    return py_tls_entries[key].value;
+}
+
+int
+pthread_setspecific(pthread_key_t key, const void *value)
+{
+    if (key < 0 || key >= PTHREAD_KEYS_MAX || !py_tls_entries[key].in_use) {
+        return EINVAL;
+    }
+    py_tls_entries[key].value = (void *)value;
+    return 0;
+}
+
+// let thread_pthread define the Python API
+#include "thread_pthread.h"