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			137 lines
		
	
	
	
		
			3.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			137 lines
		
	
	
	
		
			3.8 KiB
		
	
	
	
		
			C
		
	
	
	
	
	
| #ifndef RUBY_VM_SYNC_H
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| #define RUBY_VM_SYNC_H
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| 
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| #include "vm_debug.h"
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| #include "debug_counter.h"
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| 
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| #if USE_RUBY_DEBUG_LOG
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| #define LOCATION_ARGS const char *file, int line
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| #define LOCATION_PARAMS file, line
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| #define APPEND_LOCATION_ARGS , const char *file, int line
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| #define APPEND_LOCATION_PARAMS , file, line
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| #else
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| #define LOCATION_ARGS void
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| #define LOCATION_PARAMS
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| #define APPEND_LOCATION_ARGS
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| #define APPEND_LOCATION_PARAMS
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| #endif
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| 
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| bool rb_vm_locked_p(void);
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| void rb_vm_lock_body(LOCATION_ARGS);
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| void rb_vm_unlock_body(LOCATION_ARGS);
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| 
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| struct rb_ractor_struct;
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| void rb_vm_lock_enter_body_cr(struct rb_ractor_struct *cr, unsigned int *lev APPEND_LOCATION_ARGS);
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| void rb_vm_lock_enter_body_nb(unsigned int *lev APPEND_LOCATION_ARGS);
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| void rb_vm_lock_enter_body(unsigned int *lev APPEND_LOCATION_ARGS);
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| void rb_vm_lock_leave_body(unsigned int *lev APPEND_LOCATION_ARGS);
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| void rb_vm_barrier(void);
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| 
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| #if RUBY_DEBUG
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| // GET_VM()
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| #include "vm_core.h"
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| #endif
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| 
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| RUBY_EXTERN struct rb_ractor_struct *ruby_single_main_ractor; // ractor.c
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| 
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| static inline bool
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| rb_multi_ractor_p(void)
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| {
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|     if (LIKELY(ruby_single_main_ractor)) {
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|         // 0 on boot time.
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|         RUBY_ASSERT(GET_VM()->ractor.cnt <= 1);
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|         return false;
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|     }
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|     else {
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|         // multi-ractor mode can run ractor.cnt == 1
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|         return true;
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|     }
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| }
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| 
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| static inline void
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| rb_vm_lock(const char *file, int line)
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| {
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|     RB_DEBUG_COUNTER_INC(vm_sync_lock);
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| 
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|     if (rb_multi_ractor_p()) {
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|         rb_vm_lock_body(LOCATION_PARAMS);
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|     }
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| }
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| 
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| static inline void
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| rb_vm_unlock(const char *file, int line)
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| {
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|     if (rb_multi_ractor_p()) {
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|         rb_vm_unlock_body(LOCATION_PARAMS);
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|     }
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| }
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| 
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| static inline void
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| rb_vm_lock_enter(unsigned int *lev, const char *file, int line)
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| {
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|     RB_DEBUG_COUNTER_INC(vm_sync_lock_enter);
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| 
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|     if (rb_multi_ractor_p()) {
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|         rb_vm_lock_enter_body(lev APPEND_LOCATION_PARAMS);
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|     }
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| }
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| 
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| static inline void
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| rb_vm_lock_enter_nb(unsigned int *lev, const char *file, int line)
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| {
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|     RB_DEBUG_COUNTER_INC(vm_sync_lock_enter_nb);
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| 
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|     if (rb_multi_ractor_p()) {
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|         rb_vm_lock_enter_body_nb(lev APPEND_LOCATION_PARAMS);
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|     }
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| }
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| 
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| static inline void
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| rb_vm_lock_leave(unsigned int *lev, const char *file, int line)
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| {
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|     if (rb_multi_ractor_p()) {
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|         rb_vm_lock_leave_body(lev APPEND_LOCATION_PARAMS);
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|     }
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| }
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| 
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| static inline void
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| rb_vm_lock_enter_cr(struct rb_ractor_struct *cr, unsigned int *levp, const char *file, int line)
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| {
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|     RB_DEBUG_COUNTER_INC(vm_sync_lock_enter_cr);
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|     rb_vm_lock_enter_body_cr(cr, levp APPEND_LOCATION_PARAMS);
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| }
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| 
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| static inline void
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| rb_vm_lock_leave_cr(struct rb_ractor_struct *cr, unsigned int *levp, const char *file, int line)
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| {
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|     rb_vm_lock_leave_body(levp APPEND_LOCATION_PARAMS);
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| }
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| 
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| #define RB_VM_LOCKED_P()   rb_vm_locked_p()
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| 
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| #define RB_VM_LOCK()       rb_vm_lock(__FILE__, __LINE__)
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| #define RB_VM_UNLOCK()     rb_vm_unlock(__FILE__, __LINE__)
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| 
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| #define RB_VM_LOCK_ENTER_CR_LEV(cr, levp) rb_vm_lock_enter_cr(cr, levp, __FILE__, __LINE__)
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| #define RB_VM_LOCK_LEAVE_CR_LEV(cr, levp) rb_vm_lock_leave_cr(cr, levp, __FILE__, __LINE__)
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| #define RB_VM_LOCK_ENTER_LEV(levp) rb_vm_lock_enter(levp, __FILE__, __LINE__)
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| #define RB_VM_LOCK_LEAVE_LEV(levp) rb_vm_lock_leave(levp, __FILE__, __LINE__)
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| 
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| #define RB_VM_LOCK_ENTER()  { unsigned int _lev; RB_VM_LOCK_ENTER_LEV(&_lev);
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| #define RB_VM_LOCK_LEAVE()    RB_VM_LOCK_LEAVE_LEV(&_lev); }
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| 
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| #define RB_VM_LOCK_ENTER_LEV_NB(levp) rb_vm_lock_enter_nb(levp, __FILE__, __LINE__)
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| #define RB_VM_LOCK_ENTER_NO_BARRIER()  { unsigned int _lev; RB_VM_LOCK_ENTER_LEV_NB(&_lev);
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| #define RB_VM_LOCK_LEAVE_NO_BARRIER()    RB_VM_LOCK_LEAVE_LEV(&_lev); }
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| 
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| #if RUBY_DEBUG > 0
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| void RUBY_ASSERT_vm_locking(void);
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| void RUBY_ASSERT_vm_unlocking(void);
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| #define ASSERT_vm_locking() RUBY_ASSERT_vm_locking()
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| #define ASSERT_vm_unlocking() RUBY_ASSERT_vm_unlocking()
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| #else
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| #define ASSERT_vm_locking()
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| #define ASSERT_vm_unlocking()
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| #endif
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| 
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| #endif // RUBY_VM_SYNC_H
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