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Mini Shell
/*
+----------------------------------------------------------------------+
| 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"
#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;
#if PHP_VERSION_ID >= 80000
uint32_t jit_trace_num;
#endif
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;
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;
};
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,
#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 init();
static void shutdown();
static long create(zend_fcall_info_cache *fci_cache, uint32_t argc, zval *argv);
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 *task = cid == 0 ? get_context() : get_context_by_cid(cid);
return sw_likely(task) ? task->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 *task = (PHPContext *) Coroutine::get_current_task();
return task ? task : &main_task;
}
static inline PHPContext *get_origin_context(PHPContext *task) {
Coroutine *co = task->co->get_origin();
return co ? (PHPContext *) co->get_task() : &main_task;
}
static inline PHPContext *get_context_by_cid(long cid) {
return cid == -1 ? &main_task : (PHPContext *) Coroutine::get_task_by_cid(cid);
}
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 *task) {
return task->enable_scheduler && (Timer::get_absolute_msec() - task->last_msec > MAX_EXEC_MSEC);
}
static inline bool enable_scheduler() {
PHPContext *task = (PHPContext *) Coroutine::get_current_task();
if (task && !task->enable_scheduler) {
task->enable_scheduler = true;
return true;
}
return false;
}
static inline bool disable_scheduler() {
PHPContext *task = (PHPContext *) Coroutine::get_current_task();
if (task && task->enable_scheduler) {
task->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;
}
protected:
static bool activated;
static PHPContext main_task;
static Config config;
static bool interrupt_thread_running;
static std::thread interrupt_thread;
static void activate();
static void deactivate(void *ptr);
static inline void vm_stack_init(void);
static inline void vm_stack_destroy(void);
static inline void save_vm_stack(PHPContext *task);
static inline void restore_vm_stack(PHPContext *task);
static inline void save_og(PHPContext *task);
static inline void restore_og(PHPContext *task);
static inline void save_task(PHPContext *task);
static inline void restore_task(PHPContext *task);
static void on_yield(void *arg);
static void on_resume(void *arg);
static void on_close(void *arg);
static void main_func(void *arg);
static void interrupt_thread_start();
static inline void record_last_msec(PHPContext *task) {
if (interrupt_thread_running) {
task->last_msec = Timer::get_absolute_msec();
}
}
};
} // namespace swoole
/**
* for gdb
*/
zend_executor_globals *php_swoole_get_executor_globals();
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