ADTaaron-thesisarm-ehast-experimentalcleanup-dtorsdeferred_resndemanglerenumforall-pointer-decayjacob/cs343-translationjenkins-sandboxnew-astnew-ast-unique-exprnew-envno_listpersistent-indexerpthread-emulationqualifiedEnumresolv-newwith_gc
Last change
on this file since 2fc88be was
596f987b,
checked in by Thierry Delisle <tdelisle@…>, 8 years ago
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Some optimization and clean-up of coroutines
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-
Property mode set to
100644
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File size:
1.7 KB
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1 | #include <stdbool.h> |
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2 | #include <stdint.h> |
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3 | |
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4 | #ifdef __CFORALL__ |
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5 | extern "C" { |
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6 | #endif |
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7 | |
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8 | #if ! defined(__CFA_INVOKE_PRIVATE__) |
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9 | #ifndef _INVOKE_H_ |
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10 | #define _INVOKE_H_ |
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11 | |
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12 | #define unlikely(x) __builtin_expect(!!(x), 0) |
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13 | |
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14 | struct coStack_t { |
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15 | unsigned int size; // size of stack |
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16 | void *storage; // pointer to stack |
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17 | void *limit; // stack grows towards stack limit |
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18 | void *base; // base of stack |
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19 | void *context; // address of cfa_context_t |
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20 | void *top; // address of top of storage |
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21 | bool userStack; |
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22 | }; |
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23 | |
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24 | enum coroutine_state { Start, Inactive, Active, Halt, Primed }; |
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25 | |
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26 | struct coroutine { |
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27 | struct coStack_t stack; |
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28 | const char *name; // textual name for coroutine/task, initialized by uC++ generated code |
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29 | int errno_; // copy of global UNIX variable errno |
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30 | enum coroutine_state state; // current execution status for coroutine |
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31 | bool notHalted; // indicate if execuation state is not halted |
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32 | |
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33 | struct coroutine *starter; // first coroutine to resume this one |
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34 | struct coroutine *last; // last coroutine to resume this one |
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35 | }; |
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36 | |
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37 | #endif //_INVOKE_H_ |
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38 | #else //! defined(__CFA_INVOKE_PRIVATE__) |
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39 | #ifndef _INVOKE_PRIVATE_H_ |
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40 | #define _INVOKE_PRIVATE_H_ |
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41 | |
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42 | struct machine_context_t { |
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43 | void *SP; |
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44 | void *FP; |
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45 | void *PC; |
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46 | }; |
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47 | |
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48 | // assembler routines that performs the context switch |
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49 | extern void CtxInvokeStub( void ); |
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50 | void CtxSwitch( void *from, void *to ) asm ("CtxSwitch"); |
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51 | |
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52 | #endif //_INVOKE_PRIVATE_H_ |
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53 | #endif //! defined(__CFA_INVOKE_PRIVATE__) |
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54 | #ifdef __CFORALL__ |
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55 | } |
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56 | #endif |
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