24 lines
593 B
C
24 lines
593 B
C
/* Avoiding the DMB (or kernel helper) can be a good thing. */
|
|
#define WANT_SPECIALCASE_RELAXED
|
|
|
|
/* Glibc, at least, uses acq_rel in its pthread mutex
|
|
implementation. If the user is asking for seq_cst,
|
|
this is insufficient. */
|
|
|
|
static inline void __attribute__((always_inline, artificial))
|
|
pre_seq_barrier(int model)
|
|
{
|
|
if (model == __ATOMIC_SEQ_CST)
|
|
__atomic_thread_fence (__ATOMIC_SEQ_CST);
|
|
}
|
|
|
|
static inline void __attribute__((always_inline, artificial))
|
|
post_seq_barrier(int model)
|
|
{
|
|
pre_seq_barrier(model);
|
|
}
|
|
|
|
#define pre_post_seq_barrier 1
|
|
|
|
#include_next <host-config.h>
|