19 #ifndef GRPC_IMPL_CODEGEN_ATM_GCC_ATOMIC_H 20 #define GRPC_IMPL_CODEGEN_ATM_GCC_ATOMIC_H 31 #define GPR_ATM_MAX INTPTR_MAX 32 #define GPR_ATM_MIN INTPTR_MIN 34 #ifdef GPR_LOW_LEVEL_COUNTERS 35 extern gpr_atm gpr_counter_atm_cas;
36 extern gpr_atm gpr_counter_atm_add;
37 #define GPR_ATM_INC_COUNTER(counter) \ 38 __atomic_fetch_add(&counter, 1, __ATOMIC_RELAXED) 39 #define GPR_ATM_INC_CAS_THEN(blah) \ 40 (GPR_ATM_INC_COUNTER(gpr_counter_atm_cas), blah) 41 #define GPR_ATM_INC_ADD_THEN(blah) \ 42 (GPR_ATM_INC_COUNTER(gpr_counter_atm_add), blah) 44 #define GPR_ATM_INC_CAS_THEN(blah) blah 45 #define GPR_ATM_INC_ADD_THEN(blah) blah 48 #define gpr_atm_full_barrier() (__atomic_thread_fence(__ATOMIC_SEQ_CST)) 50 #define gpr_atm_acq_load(p) (__atomic_load_n((p), __ATOMIC_ACQUIRE)) 51 #define gpr_atm_no_barrier_load(p) (__atomic_load_n((p), __ATOMIC_RELAXED)) 52 #define gpr_atm_rel_store(p, value) \ 53 (__atomic_store_n((p), (intptr_t)(value), __ATOMIC_RELEASE)) 54 #define gpr_atm_no_barrier_store(p, value) \ 55 (__atomic_store_n((p), (intptr_t)(value), __ATOMIC_RELAXED)) 57 #define gpr_atm_no_barrier_fetch_add(p, delta) \ 58 GPR_ATM_INC_ADD_THEN( \ 59 __atomic_fetch_add((p), (intptr_t)(delta), __ATOMIC_RELAXED)) 60 #define gpr_atm_full_fetch_add(p, delta) \ 61 GPR_ATM_INC_ADD_THEN( \ 62 __atomic_fetch_add((p), (intptr_t)(delta), __ATOMIC_ACQ_REL)) 66 p, &o, n, 0, __ATOMIC_RELAXED, __ATOMIC_RELAXED));
71 p, &o, n, 0, __ATOMIC_ACQUIRE, __ATOMIC_RELAXED));
76 p, &o, n, 0, __ATOMIC_RELEASE, __ATOMIC_RELAXED));
81 p, &o, n, 0, __ATOMIC_ACQ_REL, __ATOMIC_RELAXED));
84 #define gpr_atm_full_xchg(p, n) \ 85 GPR_ATM_INC_CAS_THEN(__atomic_exchange_n((p), (n), __ATOMIC_ACQ_REL)) #define gpr_atm_acq_cas(p, o, n)
Definition: atm_gcc_sync.h:73
#define gpr_atm_full_cas(p, o, n)
Definition: atm_gcc_sync.h:75
#define gpr_atm_rel_cas(p, o, n)
Definition: atm_gcc_sync.h:74
intptr_t gpr_atm
Definition: atm_gcc_atomic.h:30
#define gpr_atm_no_barrier_cas(p, o, n)
Definition: atm_gcc_sync.h:72
#define GPR_ATM_INC_CAS_THEN(blah)
Definition: atm_gcc_atomic.h:44