| 1 |
| 2 |
| 3 |
| 4 |
| 5 |
| 6 |
| 7 |
| 8 |
| 9 |
|
| 10 |
| 11 |
| 12 |
| 13 |
| 14 |
| 15 |
| 16 |
| 17 |
| 18 |
| 19 |
| 20 |
| 21 |
| 22 |
| 23 |
| 24 |
| 25 |
| 26 |
| 27 |
| 28 |
| 29 |
| 30 |
| 31 |
| 32 |
| 33 |
| 34 |
| 35 |
| 36 |
| 37 |
| 38 |
| 39 |
| 40 |
| 41 |
| 42 |
| 43 |
| 44 |
| 45 |
| 46 |
| 47 |
| 48 |
| 49 |
| 50 |
| 51 |
| 52 |
| 53 |
| 54 |
| 55 |
| 56 |
| 57 |
| 58 |
| 59 |
| 60 |
| 61 |
| 62 |
| 63 |
| 64 |
| 65 |
| 66 |
| 67 |
| 68 |
| 69 |
| 70 |
| 71 |
| 72 |
| 73 |
| 74 |
| 75 |
| 76 |
| 77 |
| 78 |
| 79 |
| 80 |
| 81 |
| 82 |
| 83 |
| 84 |
| 85 |
| 86 |
| 87 |
| 88 |
| 89 |
| 90 |
| 91 |
| 92 |
| 93 |
| 94 |
| 95 |
| 96 |
| 97 |
| 98 |
| 99 |
| 100 |
| 101 |
| 102 |
| 103 |
| 104 |
| 105 |
| 106 |
| 107 |
| 108 |
| 109 |
| 110 |
| 111 |
| 112 |
| 113 |
| 114 |
| 115 |
| 116 |
| 117 |
| 118 |
| 119 |
| 120 |
| 121 |
| 122 |
| 123 |
| 124 |
| 125 |
| 126 |
| 127 |
| 128 |
| 129 |
| 130 |
| 131 |
| 132 |
| 133 |
| 134 |
| 135 |
| 136 |
| 137 |
| 138 |
| 139 |
| 140 |
| 141 |
| 142 |
| 143 |
| 144 |
| 145 |
| 146 |
| 147 |
| 148 |
| 149 |
| 150 |
| 151 |
| 152 |
| 153 |
| 154 |
| 155 |
| 156 |
| 157 |
| 158 |
| 159 |
| 160 |
| 161 |
| 162 |
| 163 |
| 164 |
| 165 |
| 166 |
| 167 |
| 168 |
| 169 |
| 170 |
| 171 |
| 172 |
| 173 |
| 174 |
| 175 |
|
| 176 |
|
| #include "task.h" |
| #include <assert.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <time.h> |
| #include <errno.h> |
| #include <math.h> |
| #include <string.h> |
| #include "timespec_utils.h" |
|
|
|
| _Cor_thread_local Task *current_task; |
|
|
| static void |
| _Task_SetResult( |
| Future *fut, |
| bool canceled, |
| void *res |
| ){ |
| (void)fut; |
| (void)canceled; |
| (void)res; |
| // only the task can set it's future's result |
| assert(false); |
| } |
|
|
| Future_vfptrs_t Task_vfptrs = { |
| (void(*)(Future *fut))&Task_dtor, |
| &_Future_Await, |
| &_Task_SetResult, |
| }; |
|
|
| static void * |
| Task_entry(void *me){ |
| Task *tsk = (Task *)me; |
| void *res = NULL; |
| assert(current_task == NULL); |
| current_task = tsk; |
| bool canceled = tsk->entry(tsk->param, &res); |
| current_task = NULL; |
| _Future_SetResult(&tsk->base, canceled, res); |
| return res; |
| } |
|
|
| static void |
| Task_ctor_( |
| Task *tsk, |
| Coroutine *cor |
| ){ |
| assert(Coroutine_NS(IsStarted)()); |
| Future_ctor(&tsk->base); |
| tsk->base.vfptrs = &Task_vfptrs; |
| tsk->cor = cor; |
| tsk->cor_owned = false; |
| tsk->awaiting_future = NULL; |
| tsk->canceled = false; |
| tsk->cancel_value = NULL; |
| if (current_task){ |
| Coroutine_NS(Continue)(tsk->cor, tsk, false); |
| } |
| } |
|
|
| void |
| Task_ctor( |
| Task *tsk, |
| size_t min_stack, |
| size_t min_stack_headroom, |
| Task_Entry entry, |
| void *param |
| ){ |
| assert(Coroutine_NS(IsStarted)()); |
| Task_ctor_(tsk, Coroutine_NS(New)(min_stack, min_stack_headroom, Task_entry)); |
| tsk->cor_owned = true; |
| tsk->entry = entry; |
| tsk->param = param; |
| if (current_task){ |
| Coroutine_NS(Continue)(tsk->cor, tsk, false); |
| } |
| } |
|
|
| void |
| Task_dtor( |
| Task *tsk |
| ){ |
| if (tsk->cor_owned){ |
| Coroutine_NS(Delete)(tsk->cor); |
| } |
| Future_dtor(&tsk->base); |
| } |
|
|
| Task * |
| Task_New( |
| size_t min_stack, |
| size_t min_stack_headroom, |
| Task_Entry entry, |
| void *param |
| ){ |
| Task *tsk = malloc(sizeof(Task)); |
| Task_ctor(tsk, min_stack, min_stack_headroom, entry, param); |
| return tsk; |
| } |
|
|
| void |
| Task_Delete( |
| Task *tsk |
| ){ |
| Future_Delete(&tsk->base); |
| } |
|
|
| void |
| Task_Cancel( |
| Task *tsk, |
| void *cancel_value |
| ){ |
| if (!tsk->canceled){ |
| tsk->canceled = true; |
| tsk->cancel_value = cancel_value; |
| Future *awaiting_future = tsk->awaiting_future; |
| if (awaiting_future){ |
| Future_SetResult(awaiting_future, true, NULL); |
| } |
| } |
| } |
|
|
| struct Task_Run_Params { |
| size_t min_stack; |
| size_t min_stack_headroom; |
| Task_Entry start; |
| void *value; |
| void **res; |
| }; |
|
| static Coroutine_Err |
| Task_Runner( |
| void *_params, |
| Coroutine *root |
| ){ |
| struct Task_Run_Params *params = (struct Task_Run_Params *)_params; |
|
| Task roottsk; |
| Task_ctor_(&roottsk, root); |
| current_task = &roottsk; |
| Task childtask; |
| Task_ctor(&childtask, params->min_stack, params->min_stack_headroom, params->start, params->value); |
| Coroutine_Err err = Task_Await(&childtask, params->res); |
| Task_dtor(&childtask); |
| current_task = NULL; |
| Task_dtor(&roottsk); |
| return err; |
| } |
|
| bool |
| Task_Run( |
| size_t min_stack, |
| size_t min_stack_headroom, |
| Task_Entry start, |
| void *value, |
| void **res |
| ){ |
| if (current_task){ |
| return Coroutine_Err_SystemRunning; |
| } |
| struct Task_Run_Params params = {min_stack, min_stack_headroom, start, value, res}; |
| return Coroutine_NS(RunSystem)(0, COROUTINE_STARTUP_STACK_SIZE, Task_Runner, ¶ms); |
| } |
|
|
|
|
| 1 |
| 2 |
| 3 |
| 4 |
| 5 |
| 6 |
| 7 |
| 8 |
| 9 |
| 10 |
| 11 |
| 12 |
| 13 |
| 14 |
| 15 |
| 16 |
| 17 |
| 18 |
| 19 |
| 20 |
| 21 |
| 22 |
| 23 |
| 24 |
| 25 |
| 26 |
| 27 |
| 28 |
| 29 |
| 30 |
| 31 |
| 32 |
| 33 |
| 34 |
| 35 |
| 36 |
| 37 |
| 38 |
| 39 |
| 40 |
| 41 |
| 42 |
| 43 |
| 44 |
| 45 |
| 46 |
| 47 |
| 48 |
| 49 |
| 50 |
| 51 |
| 52 |
| 53 |
| 54 |
| 55 |
| 56 |
| 57 |
| 58 |
| 59 |
| 60 |
| 61 |
| 62 |
| 63 |
| 64 |
| 65 |
| 66 |
| 67 |
| 68 |
| 69 |
| 70 |
| 71 |
| 72 |
| 73 |
| 74 |
| 75 |
| 76 |
| 77 |
| 78 |
| 79 |
| 80 |
| 81 |
| 82 |
| 83 |
| 84 |
| 85 |
| 86 |
| 87 |
| 88 |
| 89 |
| 90 |
| 91 |
| 92 |
| 93 |
| 94 |
| 95 |
| 96 |
| 97 |
| 98 |
| 99 |
| 100 |
| 101 |
| 102 |
| 103 |
| 104 |
| 105 |
| 106 |
| 107 |
| 108 |
| 109 |
| 110 |
| 111 |
| 112 |
| 113 |
| 114 |
| 115 |
| 116 |
| 117 |
| 118 |
| 119 |
| 120 |
| 121 |
| 122 |
| 123 |
| 124 |
| 125 |
| 126 |
| 127 |
| 128 |
| 129 |
| 130 |
| 131 |
| 132 |
| 133 |
| 134 |
| 135 |
| 136 |
| 137 |
| 138 |
| 139 |
| 140 |
| 141 |
| 142 |
| 143 |
| 144 |
| 145 |
| 146 |
| 147 |
| 148 |
| 149 |
| 150 |
| 151 |
| 152 |
| 153 |
| 154 |
| 155 |
| 156 |
| 157 |
| 158 |
| 159 |
| 160 |
| 161 |
| 162 |
| 163 |
| 164 |
| 165 |
| 166 |
| 167 |
| 168 |
| 169 |
| 170 |
| 171 |
| 172 |
| 173 |
| 174 |
| 175 |
| 176 |
| 177 |
| 178 |
|
| #include "task.h" |
| #include <assert.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <time.h> |
| #include <errno.h> |
| #include <math.h> |
| #include <string.h> |
| #include "timespec_utils.h" |
| #include "coroutine_names_def.h" |
|
|
| _Cor_thread_local Task *current_task; |
|
|
| static void |
| _Task_SetResult( |
| Future *fut, |
| bool canceled, |
| void *res |
| ){ |
| (void)fut; |
| (void)canceled; |
| (void)res; |
| // only the task can set it's future's result |
| assert(false); |
| } |
|
|
| Future_vfptrs_t Task_vfptrs = { |
| (void(*)(Future *fut))&Task_dtor, |
| &_Future_Await, |
| &_Task_SetResult, |
| }; |
|
|
| static void * |
| Task_entry(void *me){ |
| Task *tsk = (Task *)me; |
| void *res = NULL; |
| assert(current_task == NULL); |
| current_task = tsk; |
| bool canceled = tsk->entry(tsk->param, &res); |
| current_task = NULL; |
| _Future_SetResult(&tsk->base, canceled, res); |
| return res; |
| } |
|
|
| static void |
| Task_ctor_( |
| Task *tsk, |
| Coroutine *cor |
| ){ |
| assert(Coroutine_IsStarted()); |
| Future_ctor(&tsk->base); |
| tsk->base.vfptrs = &Task_vfptrs; |
| tsk->cor = cor; |
| tsk->cor_owned = false; |
| tsk->awaiting_future = NULL; |
| tsk->canceled = false; |
| tsk->cancel_value = NULL; |
| if (current_task){ |
| Coroutine_Continue(tsk->cor, tsk, false); |
| } |
| } |
|
|
| void |
| Task_ctor( |
| Task *tsk, |
| size_t min_stack, |
| size_t min_stack_headroom, |
| Task_Entry entry, |
| void *param |
| ){ |
| assert(Coroutine_IsStarted()); |
| Task_ctor_(tsk, Coroutine_New(min_stack, min_stack_headroom, Task_entry)); |
| tsk->cor_owned = true; |
| tsk->entry = entry; |
| tsk->param = param; |
| if (current_task){ |
| Coroutine_Continue(tsk->cor, tsk, false); |
| } |
| } |
|
|
| void |
| Task_dtor( |
| Task *tsk |
| ){ |
| if (tsk->cor_owned){ |
| Coroutine_Delete(tsk->cor); |
| } |
| Future_dtor(&tsk->base); |
| } |
|
|
| Task * |
| Task_New( |
| size_t min_stack, |
| size_t min_stack_headroom, |
| Task_Entry entry, |
| void *param |
| ){ |
| Task *tsk = malloc(sizeof(Task)); |
| Task_ctor(tsk, min_stack, min_stack_headroom, entry, param); |
| return tsk; |
| } |
|
|
| void |
| Task_Delete( |
| Task *tsk |
| ){ |
| Future_Delete(&tsk->base); |
| } |
|
|
| void |
| Task_Cancel( |
| Task *tsk, |
| void *cancel_value |
| ){ |
| if (!tsk->canceled){ |
| tsk->canceled = true; |
| tsk->cancel_value = cancel_value; |
| Future *awaiting_future = tsk->awaiting_future; |
| if (awaiting_future){ |
| Future_SetResult(awaiting_future, true, NULL); |
| } |
| } |
| } |
|
|
| struct Task_Run_Params { |
| size_t min_stack; |
| size_t min_stack_headroom; |
| Task_Entry start; |
| void *value; |
| void **res; |
| }; |
|
| static Coroutine_Err |
| Task_Runner( |
| void *_params, |
| Coroutine *root |
| ){ |
| struct Task_Run_Params *params = (struct Task_Run_Params *)_params; |
|
| Task roottsk; |
| Task_ctor_(&roottsk, root); |
| current_task = &roottsk; |
| Task childtask; |
| Task_ctor(&childtask, params->min_stack, params->min_stack_headroom, params->start, params->value); |
| Coroutine_Err err = Task_Await(&childtask, params->res); |
| Task_dtor(&childtask); |
| current_task = NULL; |
| Task_dtor(&roottsk); |
| return err; |
| } |
|
| bool |
| Task_Run( |
| size_t min_stack, |
| size_t min_stack_headroom, |
| Task_Entry start, |
| void *value, |
| void **res |
| ){ |
| if (current_task){ |
| return Coroutine_Err_SystemRunning; |
| } |
| struct Task_Run_Params params = {min_stack, min_stack_headroom, start, value, res}; |
| return Coroutine_RunSystem(0, COROUTINE_STARTUP_STACK_SIZE, Task_Runner, ¶ms); |
| } |
| #include "coroutine_names_undef.h" |
|
|
|
jonroach