diff options
Diffstat (limited to 'include/grpc/support/atm_win32.h')
-rw-r--r-- | include/grpc/support/atm_win32.h | 90 |
1 files changed, 2 insertions, 88 deletions
diff --git a/include/grpc/support/atm_win32.h b/include/grpc/support/atm_win32.h index 8b1de7652d..ebb6a674a2 100644 --- a/include/grpc/support/atm_win32.h +++ b/include/grpc/support/atm_win32.h @@ -1,6 +1,6 @@ /* * - * Copyright 2015, Google Inc. + * Copyright 2015-2016, Google Inc. * All rights reserved. * * Redistribution and use in source and binary forms, with or without @@ -34,92 +34,6 @@ #ifndef GRPC_SUPPORT_ATM_WIN32_H #define GRPC_SUPPORT_ATM_WIN32_H -/* Win32 variant of atm_platform.h */ -#include <grpc/support/port_platform.h> - -typedef intptr_t gpr_atm; - -#define gpr_atm_full_barrier MemoryBarrier - -static __inline gpr_atm gpr_atm_acq_load(const gpr_atm *p) { - gpr_atm result = *p; - gpr_atm_full_barrier(); - return result; -} - -static __inline gpr_atm gpr_atm_no_barrier_load(const gpr_atm *p) { - /* TODO(dklempner): Can we implement something better here? */ - return gpr_atm_acq_load(p); -} - -static __inline void gpr_atm_rel_store(gpr_atm *p, gpr_atm value) { - gpr_atm_full_barrier(); - *p = value; -} - -static __inline void gpr_atm_no_barrier_store(gpr_atm *p, gpr_atm value) { - /* TODO(ctiller): Can we implement something better here? */ - gpr_atm_rel_store(p, value); -} - -static __inline int gpr_atm_no_barrier_cas(gpr_atm *p, gpr_atm o, gpr_atm n) { -/* InterlockedCompareExchangePointerNoFence() not available on vista or - windows7 */ -#ifdef GPR_ARCH_64 - return o == (gpr_atm)InterlockedCompareExchangeAcquire64( - (volatile LONGLONG *)p, (LONGLONG)n, (LONGLONG)o); -#else - return o == (gpr_atm)InterlockedCompareExchangeAcquire((volatile LONG *)p, - (LONG)n, (LONG)o); -#endif -} - -static __inline int gpr_atm_acq_cas(gpr_atm *p, gpr_atm o, gpr_atm n) { -#ifdef GPR_ARCH_64 - return o == (gpr_atm)InterlockedCompareExchangeAcquire64( - (volatile LONGLONG *)p, (LONGLONG)n, (LONGLONG)o); -#else - return o == (gpr_atm)InterlockedCompareExchangeAcquire((volatile LONG *)p, - (LONG)n, (LONG)o); -#endif -} - -static __inline int gpr_atm_rel_cas(gpr_atm *p, gpr_atm o, gpr_atm n) { -#ifdef GPR_ARCH_64 - return o == (gpr_atm)InterlockedCompareExchangeRelease64( - (volatile LONGLONG *)p, (LONGLONG)n, (LONGLONG)o); -#else - return o == (gpr_atm)InterlockedCompareExchangeRelease((volatile LONG *)p, - (LONG)n, (LONG)o); -#endif -} - -static __inline gpr_atm gpr_atm_no_barrier_fetch_add(gpr_atm *p, - gpr_atm delta) { - /* Use the CAS operation to get pointer-sized fetch and add */ - gpr_atm old; - do { - old = *p; - } while (!gpr_atm_no_barrier_cas(p, old, old + delta)); - return old; -} - -static __inline gpr_atm gpr_atm_full_fetch_add(gpr_atm *p, gpr_atm delta) { - /* Use a CAS operation to get pointer-sized fetch and add */ - gpr_atm old; -#ifdef GPR_ARCH_64 - do { - old = *p; - } while (old != (gpr_atm)InterlockedCompareExchange64((volatile LONGLONG *)p, - (LONGLONG)old + delta, - (LONGLONG)old)); -#else - do { - old = *p; - } while (old != (gpr_atm)InterlockedCompareExchange( - (volatile LONG *)p, (LONG)old + delta, (LONG)old)); -#endif - return old; -} +#include <grpc/impl/codegen/atm_win32.h> #endif /* GRPC_SUPPORT_ATM_WIN32_H */ |