source: src/libcfa/concurrency/invoke.h @ 8118303

aaron-thesisarm-ehcleanup-dtorsdeferred_resndemanglerjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprnew-envno_listpersistent-indexerresolv-newwith_gc
Last change on this file since 8118303 was 8118303, checked in by Thierry Delisle <tdelisle@…>, 5 years ago

First prototype of cfa threads running (1 thread on 1 processor)

  • Property mode set to 100644
File size: 1.7 KB
Line 
1#include <stdbool.h>
2#include <stdint.h>
3
4#ifdef __CFORALL__
5extern "C" {
6#endif
7
8#if ! defined(__CFA_INVOKE_PRIVATE__)
9#ifndef _INVOKE_H_
10#define _INVOKE_H_
11
12      #define unlikely(x)    __builtin_expect(!!(x), 0)
13
14      struct coStack_t {
15            unsigned int size;          // size of stack
16            void *storage;                      // pointer to stack
17            void *limit;                        // stack grows towards stack limit
18            void *base;                         // base of stack
19            void *context;                      // address of cfa_context_t
20            void *top;                          // address of top of storage
21            bool userStack;     
22      };
23
24      enum coroutine_state { Start, Inactive, Active, Halt, Primed };
25
26      struct coroutine {
27            struct coStack_t stack;
28            const char *name;                   // textual name for coroutine/task, initialized by uC++ generated code
29            int errno_;                         // copy of global UNIX variable errno
30            enum coroutine_state state; // current execution status for coroutine
31            bool notHalted;                     // indicate if execuation state is not halted
32
33            struct coroutine *starter;  // first coroutine to resume this one
34            struct coroutine *last;             // last coroutine to resume this one
35      };
36
37      struct thread_h {
38            struct coroutine c;
39      };
40
41#endif //_INVOKE_H_
42#else //! defined(__CFA_INVOKE_PRIVATE__)
43#ifndef _INVOKE_PRIVATE_H_
44#define _INVOKE_PRIVATE_H_
45     
46      struct machine_context_t {
47            void *SP;
48            void *FP;
49            void *PC;
50      };
51
52      // assembler routines that performs the context switch
53      extern void CtxInvokeStub( void );
54      void CtxSwitch( void *from, void *to ) asm ("CtxSwitch");
55
56#endif //_INVOKE_PRIVATE_H_
57#endif //! defined(__CFA_INVOKE_PRIVATE__)
58#ifdef __CFORALL__
59}
60#endif
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