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Give GCC atomics precedence over deprecated Darwin atomic(3).

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This allows to build nginx on macOS with -Wdeprecated-declarations.
This commit is contained in:
Sergey Kandaurov 2021-08-30 14:45:21 +03:00
parent f3f51dd5b3
commit 8eb1632771
1 changed files with 33 additions and 33 deletions
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66
src/os/unix/ngx_atomic.h
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@ -38,6 +38,39 @@ typedef volatile ngx_atomic_uint_t ngx_atomic_t;
#define ngx_cpu_pause()
#elif (NGX_HAVE_GCC_ATOMIC)
/* GCC 4.1 builtin atomic operations */
#define NGX_HAVE_ATOMIC_OPS 1
typedef long ngx_atomic_int_t;
typedef unsigned long ngx_atomic_uint_t;
#if (NGX_PTR_SIZE == 8)
#define NGX_ATOMIC_T_LEN (sizeof("-9223372036854775808") - 1)
#else
#define NGX_ATOMIC_T_LEN (sizeof("-2147483648") - 1)
#endif
typedef volatile ngx_atomic_uint_t ngx_atomic_t;
#define ngx_atomic_cmp_set(lock, old, set) \
__sync_bool_compare_and_swap(lock, old, set)
#define ngx_atomic_fetch_add(value, add) \
__sync_fetch_and_add(value, add)
#define ngx_memory_barrier() __sync_synchronize()
#if ( __i386__ || __i386 || __amd64__ || __amd64 )
#define ngx_cpu_pause() __asm__ ("pause")
#else
#define ngx_cpu_pause()
#endif
#elif (NGX_DARWIN_ATOMIC)
/*
@ -88,39 +121,6 @@ typedef uint32_t ngx_atomic_uint_t;
typedef volatile ngx_atomic_uint_t ngx_atomic_t;
#elif (NGX_HAVE_GCC_ATOMIC)
/* GCC 4.1 builtin atomic operations */
#define NGX_HAVE_ATOMIC_OPS 1
typedef long ngx_atomic_int_t;
typedef unsigned long ngx_atomic_uint_t;
#if (NGX_PTR_SIZE == 8)
#define NGX_ATOMIC_T_LEN (sizeof("-9223372036854775808") - 1)
#else
#define NGX_ATOMIC_T_LEN (sizeof("-2147483648") - 1)
#endif
typedef volatile ngx_atomic_uint_t ngx_atomic_t;
#define ngx_atomic_cmp_set(lock, old, set) \
__sync_bool_compare_and_swap(lock, old, set)
#define ngx_atomic_fetch_add(value, add) \
__sync_fetch_and_add(value, add)
#define ngx_memory_barrier() __sync_synchronize()
#if ( __i386__ || __i386 || __amd64__ || __amd64 )
#define ngx_cpu_pause() __asm__ ("pause")
#else
#define ngx_cpu_pause()
#endif
#elif ( __i386__ || __i386 )
typedef int32_t ngx_atomic_int_t;