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files >> //opt/alt/php81/usr/include/php/ext/swoole/ext-src/php_swoole_coroutine.h
/* +----------------------------------------------------------------------+ | Swoole | +----------------------------------------------------------------------+ | This source file is subject to version 2.0 of the Apache license, | | that is bundled with this package in the file LICENSE, and is | | available through the world-wide-web at the following url: | | http://www.apache.org/licenses/LICENSE-2.0.html | | If you did not receive a copy of the Apache2.0 license and are unable| | to obtain it through the world-wide-web, please send a note to | | license@swoole.com so we can mail you a copy immediately. | +----------------------------------------------------------------------+ | Author: Xinyu Zhu <xyzhu1120@gmail.com> | | shiguangqi <shiguangqi2008@gmail.com> | | Twosee <twose@qq.com> | | Tianfeng Han <rango@swoole.com> | +----------------------------------------------------------------------+ */ #pragma once #include "swoole_coroutine.h" #include "swoole_coroutine_socket.h" #include "swoole_coroutine_system.h" #include "zend_vm.h" #include "zend_closures.h" #if PHP_VERSION_ID >= 80100 #define SWOOLE_COROUTINE_MOCK_FIBER_CONTEXT 1 #include "zend_fibers.h" #include "zend_observer.h" #endif #include <stack> #include <thread> #define SW_DEFAULT_MAX_CORO_NUM 100000 #define SW_DEFAULT_PHP_STACK_PAGE_SIZE 8192 #define SWOG ((zend_output_globals *) &OG(handlers)) SW_EXTERN_C_BEGIN PHP_METHOD(swoole_coroutine_scheduler, set); PHP_METHOD(swoole_coroutine_scheduler, getOptions); SW_EXTERN_C_END namespace zend { struct Function; } namespace swoole { struct PHPContext { typedef std::function<void(PHPContext *)> SwapCallback; JMP_BUF *bailout; zval *vm_stack_top; zval *vm_stack_end; zend_vm_stack vm_stack; size_t vm_stack_page_size; zend_execute_data *execute_data; uint32_t jit_trace_num; zend_error_handling_t error_handling; zend_class_entry *exception_class; zend_object *exception; zend_output_globals *output_ptr; #if PHP_VERSION_ID < 80100 /* for array_walk non-reentrancy */ zend::Function *array_walk_fci; #endif /* for error control `@` */ bool in_silence; bool enable_scheduler; int ori_error_reporting; int tmp_error_reporting; Coroutine *co; zend_fcall_info fci; zend_fcall_info_cache fci_cache; zval return_value; #ifdef SWOOLE_COROUTINE_MOCK_FIBER_CONTEXT zend_fiber_context *fiber_context; bool fiber_init_notified; #endif #ifdef ZEND_CHECK_STACK_LIMIT void *stack_base; void *stack_limit; #endif std::stack<zend::Function *> *defer_tasks; SwapCallback *on_yield; SwapCallback *on_resume; SwapCallback *on_close; long pcid; zend_object *context; int64_t last_msec; }; class PHPCoroutine { public: struct Args { zend_fcall_info_cache *fci_cache; zval *argv; uint32_t argc; zval *callable; }; struct Config { uint64_t max_num; uint32_t hook_flags; bool enable_preemptive_scheduler; bool enable_deadlock_check; }; static zend_array *options; enum HookType { HOOK_NONE = 0, HOOK_TCP = 1u << 1, HOOK_UDP = 1u << 2, HOOK_UNIX = 1u << 3, HOOK_UDG = 1u << 4, HOOK_SSL = 1u << 5, HOOK_TLS = 1u << 6, HOOK_STREAM_FUNCTION = 1u << 7, HOOK_FILE = 1u << 8, HOOK_SLEEP = 1u << 9, HOOK_PROC = 1u << 10, HOOK_CURL = 1u << 11, HOOK_NATIVE_CURL = 1u << 12, HOOK_BLOCKING_FUNCTION = 1u << 13, HOOK_SOCKETS = 1u << 14, HOOK_STDIO = 1u << 15, HOOK_PDO_PGSQL = 1u << 16, HOOK_PDO_ODBC = 1u << 17, HOOK_PDO_ORACLE = 1u << 18, HOOK_PDO_SQLITE = 1u << 19, #ifdef SW_USE_CURL HOOK_ALL = 0x7fffffff ^ HOOK_CURL, #else HOOK_ALL = 0x7fffffff ^ HOOK_NATIVE_CURL, #endif }; static const uint8_t MAX_EXEC_MSEC = 10; static void shutdown(); static long create(zend_fcall_info_cache *fci_cache, uint32_t argc, zval *argv, zval *callable); static PHPContext *create_context(Args *args); static void defer(zend::Function *fci); static void deadlock_check(); static bool enable_hook(uint32_t flags); static bool disable_hook(); static void disable_unsafe_function(); static void enable_unsafe_function(); static void interrupt_thread_stop(); static inline long get_cid() { return sw_likely(activated) ? Coroutine::get_current_cid() : -1; } static inline long get_pcid(long cid = 0) { PHPContext *ctx = cid == 0 ? get_context() : get_context_by_cid(cid); return sw_likely(ctx) ? ctx->pcid : 0; } static inline long get_elapsed(long cid = 0) { return sw_likely(activated) ? Coroutine::get_elapsed(cid) : -1; } static inline PHPContext *get_context() { PHPContext *ctx = (PHPContext *) Coroutine::get_current_task(); return ctx ? ctx : &main_context; } static inline PHPContext *get_origin_context(PHPContext *ctx) { Coroutine *co = ctx->co->get_origin(); return co ? (PHPContext *) co->get_task() : &main_context; } static inline PHPContext *get_context_by_cid(long cid) { return cid == -1 ? &main_context : (PHPContext *) Coroutine::get_task_by_cid(cid); } static inline ssize_t get_stack_usage(long cid) { zend_long current_cid = PHPCoroutine::get_cid(); if (cid == 0) { cid = current_cid; } PHPContext *ctx = (PHPContext *) PHPCoroutine::get_context_by_cid(cid); if (UNEXPECTED(!ctx)) { swoole_set_last_error(SW_ERROR_CO_NOT_EXISTS); return -1; } zend_vm_stack stack = cid == current_cid ? EG(vm_stack) : ctx->vm_stack; size_t usage = 0; while (stack) { usage += (stack->end - stack->top) * sizeof(zval); stack = stack->prev; } return usage; } static inline uint64_t get_max_num() { return config.max_num; } static inline void set_max_num(uint64_t n) { config.max_num = n; } static inline void set_deadlock_check(bool value = true) { config.enable_deadlock_check = value; } static inline bool is_schedulable(PHPContext *ctx) { return ctx->enable_scheduler && (Timer::get_absolute_msec() - ctx->last_msec > MAX_EXEC_MSEC); } static inline bool enable_scheduler() { PHPContext *ctx = (PHPContext *) Coroutine::get_current_task(); if (ctx && !ctx->enable_scheduler) { ctx->enable_scheduler = true; return true; } return false; } static inline bool disable_scheduler() { PHPContext *ctx = (PHPContext *) Coroutine::get_current_task(); if (ctx && ctx->enable_scheduler) { ctx->enable_scheduler = false; return true; } return false; } static void set_hook_flags(uint32_t flags); static inline uint32_t get_hook_flags() { return config.hook_flags; } static inline void enable_preemptive_scheduler(bool value) { config.enable_preemptive_scheduler = value; } static inline bool is_activated() { return activated; } static inline long get_execute_time(long cid = 0) { return sw_likely(activated) ? Coroutine::get_execute_time(cid) : -1; } static inline void init_main_context() { main_context.co = Coroutine::init_main_coroutine(); #ifdef SWOOLE_COROUTINE_MOCK_FIBER_CONTEXT main_context.fiber_context = EG(main_fiber_context); main_context.fiber_init_notified = true; #endif save_context(&main_context); } protected: static bool activated; static PHPContext main_context; static Config config; static bool interrupt_thread_running; static std::thread interrupt_thread; static void activate(); static void deactivate(void *ptr); static void save_vm_stack(PHPContext *ctx); static void restore_vm_stack(PHPContext *ctx); static void save_og(PHPContext *ctx); static void restore_og(PHPContext *ctx); static void save_context(PHPContext *ctx); static void restore_context(PHPContext *ctx); static void destroy_context(PHPContext *ctx); static bool catch_exception(); static void bailout(); static void on_yield(void *arg); static void on_resume(void *arg); static void on_close(void *arg); static void main_func(void *arg); #ifdef SWOOLE_COROUTINE_MOCK_FIBER_CONTEXT static zend_fiber_status get_fiber_status(PHPContext *ctx); static void fiber_context_init(PHPContext *ctx); static void fiber_context_try_init(PHPContext *ctx); static void fiber_context_destroy(PHPContext *ctx); static void fiber_context_try_destroy(PHPContext *ctx); static void fiber_context_switch_notify(PHPContext *from, PHPContext *to); static void fiber_context_switch_try_notify(PHPContext *from, PHPContext *to); #endif #ifdef ZEND_CHECK_STACK_LIMIT static void* stack_limit(PHPContext *ctx); static void* stack_base(PHPContext *ctx); #endif static void interrupt_thread_start(); static void record_last_msec(PHPContext *ctx) { if (interrupt_thread_running) { ctx->last_msec = Timer::get_absolute_msec(); } } }; } // namespace swoole /** * for gdb */ zend_executor_globals *php_swoole_get_executor_globals();
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