X-Git-Url: https://git.liburcu.org/?p=urcu.git;a=blobdiff_plain;f=urcu-pointer.h;h=dd64ec4128fadb2f7b39971a0d975c891c0a6013;hp=487abab4abd8c1d16a87b5486e714413639d6ca2;hb=a641253675b6005329234c0c7354b88dea7a4245;hpb=36bc70a84250927ba68d5096a0a9740aec157f9b diff --git a/urcu-pointer.h b/urcu-pointer.h index 487abab..dd64ec4 100644 --- a/urcu-pointer.h +++ b/urcu-pointer.h @@ -6,7 +6,7 @@ * * Userspace RCU header. Operations on pointers. * - * Copyright (c) 2009 Mathieu Desnoyers + * Copyright (c) 2009 Mathieu Desnoyers * Copyright (c) 2009 Paul E. McKenney, IBM Corporation. * * This library is free software; you can redistribute it and/or @@ -28,7 +28,7 @@ #include #include -#include +#include #ifdef __cplusplus extern "C" { @@ -36,7 +36,7 @@ extern "C" { #ifdef _LGPL_SOURCE -#include +#include /* * rcu_dereference(ptr) @@ -67,37 +67,41 @@ extern "C" { extern void *rcu_dereference_sym(void *p); #define rcu_dereference(p) \ ({ \ - typeof(p) _________p1 = \ - rcu_dereference_sym((void *)(p)); \ + typeof(p) _________p1 = URCU_FORCE_CAST(typeof(p), \ + rcu_dereference_sym(URCU_FORCE_CAST(void *, p))); \ (_________p1); \ }) extern void *rcu_cmpxchg_pointer_sym(void **p, void *old, void *_new); #define rcu_cmpxchg_pointer(p, old, _new) \ ({ \ - typeof(*p) _________pold = (old); \ - typeof(*p) _________pnew = (_new); \ - typeof(*p) _________p1 = \ - rcu_cmpxchg_pointer_sym((void **)(p), _________pold, \ - _________pnew); \ + typeof(*(p)) _________pold = (old); \ + typeof(*(p)) _________pnew = (_new); \ + typeof(*(p)) _________p1 = URCU_FORCE_CAST(typeof(*(p)), \ + rcu_cmpxchg_pointer_sym(URCU_FORCE_CAST(void **, p),\ + _________pold, \ + _________pnew)); \ (_________p1); \ }) extern void *rcu_xchg_pointer_sym(void **p, void *v); #define rcu_xchg_pointer(p, v) \ ({ \ - typeof(*p) _________pv = (v); \ - typeof(*p) _________p1 = \ - rcu_xchg_pointer_sym((void **)(p), _________pv); \ + typeof(*(p)) _________pv = (v); \ + typeof(*(p)) _________p1 = URCU_FORCE_CAST(typeof(*(p)), \ + rcu_xchg_pointer_sym(URCU_FORCE_CAST(void **, p), \ + _________pv)); \ (_________p1); \ }) extern void *rcu_set_pointer_sym(void **p, void *v); #define rcu_set_pointer(p, v) \ ({ \ - typeof(*p) _________pv = (v); \ - typeof(*p) _________p1 = \ - rcu_set_pointer_sym((void **)(p), _________pv); \ + typeof(*(p)) _________pv = (v); \ + typeof(*(p)) _________p1 = URCU_FORCE_CAST(typeof(*(p)), \ + rcu_set_pointer_sym(URCU_FORCE_CAST(void **, p), \ + _________pv)); \ + (_________p1); \ }) #endif /* !_LGPL_SOURCE */