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sledge/runtime/include/runtime.h

56 lines
1.7 KiB

#pragma once
#include <pthread.h>
#include <sys/epoll.h> /* for epoll_create1(), epoll_ctl(), struct epoll_event */
#include <stdbool.h>
#include "types.h"
#define LISTENER_THREAD_CORE_ID 0 /* Dedicated Listener Core */
#define LISTENER_THREAD_MAX_EPOLL_EVENTS 1024
#define RUNTIME_LOG_FILE "awesome.log"
#define RUNTIME_MAX_SANDBOX_REQUEST_COUNT (1 << 19) /* random! */
#define RUNTIME_READ_WRITE_VECTOR_LENGTH 16
/*
* Descriptor of the epoll instance used to monitor the socket descriptors of registered
* serverless modules. The listener cores listens for incoming client requests through this.
*/
extern int runtime_epoll_file_descriptor;
/*
* Assumption: All cores are the same speed
* See runtime_get_processor_speed_MHz for further details
*/
extern float runtime_processor_speed_MHz;
/* Count of worker threads and array of their pthread identifiers */
extern pthread_t runtime_worker_threads[];
extern uint32_t runtime_worker_threads_count;
void alloc_linear_memory(void);
void expand_memory(void);
INLINE char *get_function_from_table(uint32_t idx, uint32_t type_id);
INLINE char *get_memory_ptr_for_runtime(uint32_t offset, uint32_t bounds_check);
void runtime_initialize(void);
void listener_thread_initialize(void);
void stub_init(int32_t offset);
unsigned long long __getcycles(void);
/**
* Used to determine if running in the context of a worker thread
* @returns true if worker. false if listener core
*/
static inline bool
runtime_is_worker()
{
pthread_t self = pthread_self();
for (int i = 0; i < runtime_worker_threads_count; i++) {
if (runtime_worker_threads[i] == self) return true;
}
return false;
}