1 | // |
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2 | // Cforall Version 1.0.0 Copyright (C) 2016 University of Waterloo |
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3 | // |
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4 | // The contents of this file are covered under the licence agreement in the |
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5 | // file "LICENCE" distributed with Cforall. |
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6 | // |
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7 | // thread.c -- |
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8 | // |
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9 | // Author : Thierry Delisle |
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10 | // Created On : Tue Jan 17 12:27:26 2017 |
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11 | // Last Modified By : Peter A. Buhr |
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12 | // Last Modified On : Wed Dec 4 09:17:49 2019 |
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13 | // Update Count : 9 |
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14 | // |
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15 | |
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16 | #define __cforall_thread__ |
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17 | |
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18 | #include "thread.hfa" |
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19 | |
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20 | #include "kernel_private.hfa" |
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21 | |
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22 | #define __CFA_INVOKE_PRIVATE__ |
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23 | #include "invoke.h" |
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24 | |
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25 | //----------------------------------------------------------------------------- |
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26 | // Thread ctors and dtors |
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27 | void ?{}(thread_desc & this, const char * const name, cluster & cl, void * storage, size_t storageSize ) with( this ) { |
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28 | context{ 0p, 0p }; |
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29 | self_cor{ name, storage, storageSize }; |
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30 | state = Start; |
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31 | preempted = __NO_PREEMPTION; |
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32 | curr_cor = &self_cor; |
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33 | self_mon.owner = &this; |
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34 | self_mon.recursion = 1; |
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35 | self_mon_p = &self_mon; |
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36 | curr_cluster = &cl; |
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37 | next = 0p; |
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38 | |
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39 | node.next = 0p; |
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40 | node.prev = 0p; |
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41 | doregister(curr_cluster, this); |
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42 | |
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43 | monitors{ &self_mon_p, 1, (fptr_t)0 }; |
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44 | } |
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45 | |
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46 | void ^?{}(thread_desc& this) with( this ) { |
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47 | unregister(curr_cluster, this); |
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48 | ^self_cor{}; |
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49 | } |
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50 | |
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51 | //----------------------------------------------------------------------------- |
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52 | // Starting and stopping threads |
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53 | forall( dtype T | is_thread(T) ) |
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54 | void __thrd_start( T & this, void (*main_p)(T &) ) { |
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55 | thread_desc * this_thrd = get_thread(this); |
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56 | |
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57 | disable_interrupts(); |
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58 | __cfactx_start(main_p, get_coroutine(this), this, __cfactx_invoke_thread); |
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59 | |
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60 | this_thrd->context.[SP, FP] = this_thrd->self_cor.context.[SP, FP]; |
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61 | verify( this_thrd->context.SP ); |
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62 | |
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63 | __schedule_thread(this_thrd); |
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64 | enable_interrupts( __cfaabi_dbg_ctx ); |
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65 | } |
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66 | |
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67 | //----------------------------------------------------------------------------- |
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68 | // Support for threads that don't ues the thread keyword |
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69 | forall( dtype T | sized(T) | is_thread(T) | { void ?{}(T&); } ) |
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70 | void ?{}( scoped(T)& this ) with( this ) { |
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71 | handle{}; |
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72 | __thrd_start(handle, main); |
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73 | } |
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74 | |
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75 | forall( dtype T, ttype P | sized(T) | is_thread(T) | { void ?{}(T&, P); } ) |
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76 | void ?{}( scoped(T)& this, P params ) with( this ) { |
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77 | handle{ params }; |
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78 | __thrd_start(handle, main); |
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79 | } |
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80 | |
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81 | forall( dtype T | sized(T) | is_thread(T) ) |
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82 | void ^?{}( scoped(T)& this ) with( this ) { |
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83 | ^handle{}; |
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84 | } |
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85 | |
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86 | // Local Variables: // |
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87 | // mode: c // |
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88 | // tab-width: 4 // |
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89 | // End: // |
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