quick addition of cosmo pthreads to python.com

- enable WITH_THREAD and _POSIX_THREADS
- add headers everywhere
- breaks only two tests (faulthandler and signal)
- disabled terminal completion because it causes segfaults for some
  reason (probably could not get the current thread)

third_party/python/Python/thread.c

@@ -5,6 +5,11 @@
 │ https://docs.python.org/3/license.html                                       │
 ╚─────────────────────────────────────────────────────────────────────────────*/
 #include "libc/assert.h"
+#include "libc/calls/struct/timespec.h"
+#include "libc/calls/struct/timeval.h"
+#include "libc/errno.h"
+#include "libc/thread/thread2.h"
+#include "third_party/python/Include/dynamic_annotations.h"
 #include "third_party/python/Include/pyerrors.h"
 #include "third_party/python/Include/pymacro.h"
 #include "third_party/python/Include/pymem.h"
@@ -77,18 +82,18 @@ static size_t _pythread_stacksize = 0;
 
 #ifdef _POSIX_THREADS
 #define PYTHREAD_NAME "pthread"
-#include "thread_pthread.inc"
+#include "third_party/python/Python/thread_pthread.inc"
 #endif
 
 #ifdef NT_THREADS
 #define PYTHREAD_NAME "nt"
-#include "thread_nt.inc"
+ // #include "thread_nt.inc"
 #endif
 
 
 /*
 #ifdef FOOBAR_THREADS
-#include "thread_foobar.inc"
+// #include "thread_foobar.inc"
 #endif
 */