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#pragma once
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#include <pthread.h>
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#include <sys/epoll.h> /* for epoll_create1(), epoll_ctl(), struct epoll_event */
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#include <stdatomic.h>
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#include <stdbool.h>
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#include "likely.h"
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#include "types.h"
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#ifndef NCORES
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#warning "NCORES not defined in Makefile. Defaulting to 2"
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#define NCORES 2
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#endif
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#if NCORES == 1
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#error "RUNTIME MINIMUM REQUIREMENT IS 2 CORES"
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#endif
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#define RUNTIME_EXPECTED_EXECUTION_US_MAX 3600000000
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#define RUNTIME_HTTP_REQUEST_SIZE_MAX 100000000 /* 100 MB */
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#define RUNTIME_HTTP_RESPONSE_SIZE_MAX 100000000 /* 100 MB */
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#define RUNTIME_LOG_FILE "sledge.log"
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#define RUNTIME_MAX_EPOLL_EVENTS 128
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#define RUNTIME_MAX_SANDBOX_REQUEST_COUNT (1 << 19)
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#define RUNTIME_MAX_WORKER_COUNT 32 /* Static buffer size for per-worker globals */
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#define RUNTIME_READ_WRITE_VECTOR_LENGTH 16
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#define RUNTIME_RELATIVE_DEADLINE_US_MAX 3600000000 /* One Hour. Fits in uint32_t */
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#define RUNTIME_WORKER_THREAD_CORE_COUNT (NCORES > 1 ? NCORES - 1 : NCORES)
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enum RUNTIME_SIGALRM_HANDLER
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{
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RUNTIME_SIGALRM_HANDLER_BROADCAST = 0,
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RUNTIME_SIGALRM_HANDLER_TRIAGED = 1
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};
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extern bool runtime_preemption_enabled;
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extern uint32_t runtime_processor_speed_MHz;
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extern uint32_t runtime_quantum_us;
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extern FILE * runtime_sandbox_perf_log;
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extern enum RUNTIME_SIGALRM_HANDLER runtime_sigalrm_handler;
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extern pthread_t runtime_worker_threads[];
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extern uint32_t runtime_worker_threads_count;
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extern int runtime_worker_threads_argument[RUNTIME_WORKER_THREAD_CORE_COUNT];
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extern uint64_t runtime_worker_threads_deadline[RUNTIME_WORKER_THREAD_CORE_COUNT];
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extern uint64_t runtime_worker_threads_remaining_slack[RUNTIME_WORKER_THREAD_CORE_COUNT];
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extern uint64_t runtime_worker_threads_laxity[RUNTIME_WORKER_THREAD_CORE_COUNT];
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extern void runtime_initialize(void);
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extern void runtime_set_pthread_prio(pthread_t thread, unsigned int nice);
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extern void runtime_set_resource_limits_to_max(void);
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/* External Symbols */
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extern void alloc_linear_memory(void);
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extern void expand_memory(void);
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INLINE char *get_function_from_table(uint32_t idx, uint32_t type_id);
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INLINE char *get_memory_ptr_for_runtime(uint32_t offset, uint32_t bounds_check);
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extern void stub_init(int32_t offset);
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static inline char *
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runtime_print_sigalrm_handler(enum RUNTIME_SIGALRM_HANDLER variant)
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{
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switch (variant) {
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case RUNTIME_SIGALRM_HANDLER_BROADCAST:
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return "BROADCAST";
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case RUNTIME_SIGALRM_HANDLER_TRIAGED:
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return "TRIAGED";
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}
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}
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