1 // Copyright 2009-2021 Intel Corporation
2 // SPDX-License-Identifier: Apache-2.0
3 
4 #pragma once
5 
6 #include "platform.h"
7 #include "mutex.h"
8 #include "alloc.h"
9 #include "vector.h"
10 #include <vector>
11 
12 namespace embree
13 {
14   /*! type for thread */
15   typedef struct opaque_thread_t* thread_t;
16 
17   /*! signature of thread start function */
18   typedef void (*thread_func)(void*);
19 
20   /*! creates a hardware thread running on specific logical thread */
21   thread_t createThread(thread_func f, void* arg, size_t stack_size = 0, ssize_t threadID = -1);
22 
23   /*! set affinity of the calling thread */
24   void setAffinity(ssize_t affinity);
25 
26   /*! the thread calling this function gets yielded */
27   void yield();
28 
29   /*! waits until the given thread has terminated */
30   void join(thread_t tid);
31 
32   /*! destroy handle of a thread */
33   void destroyThread(thread_t tid);
34 
35   /*! type for handle to thread local storage */
36   typedef struct opaque_tls_t* tls_t;
37 
38   /*! creates thread local storage */
39   tls_t createTls();
40 
41   /*! set the thread local storage pointer */
42   void setTls(tls_t tls, void* const ptr);
43 
44   /*! return the thread local storage pointer */
45   void* getTls(tls_t tls);
46 
47   /*! destroys thread local storage identifier */
48   void destroyTls(tls_t tls);
49 }
50