rt: Remove some bogus pthread settings from rust_task_thread

This is all handled by rust_thread, and 'true' isn't even a valid
value to pass to pthread_attr_setdetachestate

Author: brson

src/rt/rust_task_thread.cpp

@@ -42,11 +42,6 @@ rust_task_thread::rust_task_thread(rust_scheduler *sched,
 {
     LOGPTR(this, "new dom", (uintptr_t)this);
     isaac_init(kernel, &rctx);
-#ifndef __WIN32__
-    pthread_attr_init(&attr);
-    pthread_attr_setstacksize(&attr, 1024 * 1024);
-    pthread_attr_setdetachstate(&attr, true);
-#endif
 
     if (!tls_initialized)
         init_tls();
@@ -59,9 +54,6 @@ rust_task_thread::~rust_task_thread() {
     running_tasks.delete_all();
     blocked_tasks.delete_all();
     dead_tasks.delete_all();
-#ifndef __WIN32__
-    pthread_attr_destroy(&attr);
-#endif
 }
 
 void

src/rt/rust_task_thread.h

@@ -24,7 +24,6 @@ struct rust_task_thread : public kernel_owned<rust_task_thread>,
     const int id;
 
 #ifndef __WIN32__
-    pthread_attr_t attr;
     static pthread_key_t task_key;
 #else
     static DWORD task_key;