mirror of https://github.com/yandex/odyssey.git
54 lines
1.1 KiB
C
54 lines
1.1 KiB
C
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/*
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* machinarium.
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*
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* cooperative multitasking engine.
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*/
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#include <machinarium.h>
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#include <machinarium_private.h>
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void mm_coroutine_init(mm_coroutine_t *coroutine)
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{
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memset(coroutine, 0, sizeof(mm_coroutine_t));
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coroutine->id = UINT64_MAX;
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coroutine->state = MM_CNEW;
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coroutine->errno_ = 0;
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coroutine->call_ptr = NULL;
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mm_list_init(&coroutine->joiners);
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mm_list_init(&coroutine->link);
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mm_list_init(&coroutine->link_join);
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}
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mm_coroutine_t*
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mm_coroutine_allocate(int stack_size, int stack_size_guard)
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{
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mm_coroutine_t *coroutine;
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coroutine = malloc(sizeof(mm_coroutine_t));
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if (coroutine == NULL)
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return NULL;
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mm_coroutine_init(coroutine);
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int rc;
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rc = mm_contextstack_create(&coroutine->stack, stack_size, stack_size_guard);
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if (rc == -1) {
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free(coroutine);
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return NULL;
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}
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return coroutine;
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}
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void mm_coroutine_free(mm_coroutine_t *coroutine)
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{
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mm_contextstack_free(&coroutine->stack);
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free(coroutine);
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}
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void mm_coroutine_cancel(mm_coroutine_t *coroutine)
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{
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if (coroutine->cancel)
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return;
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coroutine->cancel++;
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if (coroutine->call_ptr)
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mm_call_cancel(coroutine->call_ptr, coroutine);
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}
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