123456789101112131415161718192021222324252627282930313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100101102103104105106107108109110111112113114115116117118119120121122123124125126127128129130131132133134135136137 | #ifndef RUBY_VM_SYNC_H #define RUBY_VM_SYNC_H #include "vm_debug.h" #include "debug_counter.h" #if USE_RUBY_DEBUG_LOG #define LOCATION_ARGS const char *file, int line #define LOCATION_PARAMS file, line #define APPEND_LOCATION_ARGS , const char *file, int line #define APPEND_LOCATION_PARAMS , file, line #else #define LOCATION_ARGS void #define LOCATION_PARAMS #define APPEND_LOCATION_ARGS #define APPEND_LOCATION_PARAMS #endif bool rb_vm_locked_p(void); void rb_vm_lock_body(LOCATION_ARGS); void rb_vm_unlock_body(LOCATION_ARGS); struct rb_ractor_struct; NOINLINE(void rb_vm_lock_enter_body_cr(struct rb_ractor_struct *cr, unsigned int *lev APPEND_LOCATION_ARGS)); NOINLINE(void rb_vm_lock_enter_body_nb(unsigned int *lev APPEND_LOCATION_ARGS)); NOINLINE(void rb_vm_lock_enter_body(unsigned int *lev APPEND_LOCATION_ARGS)); void rb_vm_lock_leave_body(unsigned int *lev APPEND_LOCATION_ARGS); void rb_vm_barrier(void); #if RUBY_DEBUG // GET_VM() #include "vm_core.h" #endif RUBY_EXTERN struct rb_ractor_struct *ruby_single_main_ractor; // ractor.c static inline bool rb_multi_ractor_p(void) { if (LIKELY(ruby_single_main_ractor)) { // 0 on boot time. RUBY_ASSERT(GET_VM()->ractor.cnt <= 1); return false; } else { // multi-ractor mode can run ractor.cnt == 1 return true; } } static inline void rb_vm_lock(const char *file, int line) { RB_DEBUG_COUNTER_INC(vm_sync_lock); if (rb_multi_ractor_p()) { rb_vm_lock_body(LOCATION_PARAMS); } } static inline void rb_vm_unlock(const char *file, int line) { if (rb_multi_ractor_p()) { rb_vm_unlock_body(LOCATION_PARAMS); } } static inline void rb_vm_lock_enter(unsigned int *lev, const char *file, int line) { RB_DEBUG_COUNTER_INC(vm_sync_lock_enter); if (rb_multi_ractor_p()) { rb_vm_lock_enter_body(lev APPEND_LOCATION_PARAMS); } } static inline void rb_vm_lock_enter_nb(unsigned int *lev, const char *file, int line) { RB_DEBUG_COUNTER_INC(vm_sync_lock_enter_nb); if (rb_multi_ractor_p()) { rb_vm_lock_enter_body_nb(lev APPEND_LOCATION_PARAMS); } } static inline void rb_vm_lock_leave(unsigned int *lev, const char *file, int line) { if (rb_multi_ractor_p()) { rb_vm_lock_leave_body(lev APPEND_LOCATION_PARAMS); } } static inline void rb_vm_lock_enter_cr(struct rb_ractor_struct *cr, unsigned int *levp, const char *file, int line) { RB_DEBUG_COUNTER_INC(vm_sync_lock_enter_cr); rb_vm_lock_enter_body_cr(cr, levp APPEND_LOCATION_PARAMS); } static inline void rb_vm_lock_leave_cr(struct rb_ractor_struct *cr, unsigned int *levp, const char *file, int line) { rb_vm_lock_leave_body(levp APPEND_LOCATION_PARAMS); } #define RB_VM_LOCKED_P() rb_vm_locked_p() #define RB_VM_LOCK() rb_vm_lock(__FILE__, __LINE__) #define RB_VM_UNLOCK() rb_vm_unlock(__FILE__, __LINE__) #define RB_VM_LOCK_ENTER_CR_LEV(cr, levp) rb_vm_lock_enter_cr(cr, levp, __FILE__, __LINE__) #define RB_VM_LOCK_LEAVE_CR_LEV(cr, levp) rb_vm_lock_leave_cr(cr, levp, __FILE__, __LINE__) #define RB_VM_LOCK_ENTER_LEV(levp) rb_vm_lock_enter(levp, __FILE__, __LINE__) #define RB_VM_LOCK_LEAVE_LEV(levp) rb_vm_lock_leave(levp, __FILE__, __LINE__) #define RB_VM_LOCK_ENTER() { unsigned int _lev; RB_VM_LOCK_ENTER_LEV(&_lev); #define RB_VM_LOCK_LEAVE() RB_VM_LOCK_LEAVE_LEV(&_lev); } #define RB_VM_LOCK_ENTER_LEV_NB(levp) rb_vm_lock_enter_nb(levp, __FILE__, __LINE__) #define RB_VM_LOCK_ENTER_NO_BARRIER() { unsigned int _lev; RB_VM_LOCK_ENTER_LEV_NB(&_lev); #define RB_VM_LOCK_LEAVE_NO_BARRIER() RB_VM_LOCK_LEAVE_LEV(&_lev); } #if RUBY_DEBUG > 0 void RUBY_ASSERT_vm_locking(void); void RUBY_ASSERT_vm_unlocking(void); #define ASSERT_vm_locking() RUBY_ASSERT_vm_locking() #define ASSERT_vm_unlocking() RUBY_ASSERT_vm_unlocking() #else #define ASSERT_vm_locking() #define ASSERT_vm_unlocking() #endif #endif // RUBY_VM_SYNC_H
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