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47 lines
1.5 KiB
47 lines
1.5 KiB
4 years ago
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#pragma once
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#include <assert.h>
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#include <stddef.h>
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#include <stdint.h>
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#include "arch/context.h"
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#include "current_sandbox.h"
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#include "sandbox_types.h"
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#include "sandbox_functions.h"
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#include "software_interrupt.h"
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/**
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* @brief Switches to the base context, placing the current sandbox on the completion queue if in RETURNED state
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*/
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static inline void
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current_sandbox_yield()
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{
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assert(!software_interrupt_is_enabled());
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struct sandbox *current_sandbox = current_sandbox_get();
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#ifndef NDEBUG
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if (current_sandbox != NULL) {
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assert(current_sandbox->state < SANDBOX_STATE_COUNT);
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assert(current_sandbox->stack_size == current_sandbox->module->stack_size);
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}
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#endif
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/* Assumption: Base Context should never switch to Base Context */
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assert(current_sandbox != NULL);
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struct arch_context *current_context = ¤t_sandbox->ctxt;
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assert(current_context != &worker_thread_base_context);
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#ifdef LOG_CONTEXT_SWITCHES
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debuglog("Sandbox %lu (@%p) (%s) > Base Context (@%p) (%s)\n", current_sandbox->id, current_context,
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arch_context_variant_print(current_sandbox->ctxt.variant), &worker_thread_base_context,
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arch_context_variant_print(worker_thread_base_context.variant));
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#endif
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sandbox_exit(current_sandbox);
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current_sandbox_set(NULL);
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assert(worker_thread_base_context.variant == ARCH_CONTEXT_VARIANT_FAST);
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runtime_worker_threads_deadline[worker_thread_idx] = UINT64_MAX;
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arch_context_switch(current_context, &worker_thread_base_context);
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software_interrupt_enable();
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}
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