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arch-arm.h
(732 B)
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arch-hppa.h
(552 B)
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arch-ia64.h
(783 B)
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arch-ppc.h
(899 B)
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arch-x86.h
(6.78 KB)
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fallback.h
(4.62 KB)
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generic-acc.h
(2.84 KB)
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generic-gcc.h
(6.89 KB)
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generic-msvc.h
(2.71 KB)
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generic-sunpro.h
(2.54 KB)
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generic-xlc.h
(2.93 KB)
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generic.h
(9.96 KB)
Editing: generic-sunpro.h
/*------------------------------------------------------------------------- * * generic-sunpro.h * Atomic operations for solaris' CC * * Portions Copyright (c) 2013-2016, PostgreSQL Global Development Group * * NOTES: * * Documentation: * * manpage for atomic_cas(3C) * http://www.unix.com/man-page/opensolaris/3c/atomic_cas/ * http://docs.oracle.com/cd/E23824_01/html/821-1465/atomic-cas-3c.html * * src/include/port/atomics/generic-sunpro.h * * ------------------------------------------------------------------------- */ #if defined(HAVE_ATOMICS) #ifdef HAVE_MBARRIER_H #include <mbarrier.h> #define pg_compiler_barrier_impl() __compiler_barrier() #ifndef pg_memory_barrier_impl /* * Despite the name this is actually a full barrier. Expanding to mfence/ * membar #StoreStore | #LoadStore | #StoreLoad | #LoadLoad on x86/sparc * respectively. */ # define pg_memory_barrier_impl() __machine_rw_barrier() #endif #ifndef pg_read_barrier_impl # define pg_read_barrier_impl() __machine_r_barrier() #endif #ifndef pg_write_barrier_impl # define pg_write_barrier_impl() __machine_w_barrier() #endif #endif /* HAVE_MBARRIER_H */ /* Older versions of the compiler don't have atomic.h... */ #ifdef HAVE_ATOMIC_H #include <atomic.h> #define PG_HAVE_ATOMIC_U32_SUPPORT typedef struct pg_atomic_uint32 { volatile uint32 value; } pg_atomic_uint32; #define PG_HAVE_ATOMIC_U64_SUPPORT typedef struct pg_atomic_uint64 { /* * Syntax to enforce variable alignment should be supported by versions * supporting atomic.h, but it's hard to find accurate documentation. If * it proves to be a problem, we'll have to add more version checks for 64 * bit support. */ volatile uint64 value pg_attribute_aligned(8); } pg_atomic_uint64; #endif /* HAVE_ATOMIC_H */ #endif /* defined(HAVE_ATOMICS) */ #if defined(HAVE_ATOMICS) #ifdef HAVE_ATOMIC_H #define PG_HAVE_ATOMIC_COMPARE_EXCHANGE_U32 static inline bool pg_atomic_compare_exchange_u32_impl(volatile pg_atomic_uint32 *ptr, uint32 *expected, uint32 newval) { bool ret; uint32 current; current = atomic_cas_32(&ptr->value, *expected, newval); ret = current == *expected; *expected = current; return ret; } #define PG_HAVE_ATOMIC_COMPARE_EXCHANGE_U64 static inline bool pg_atomic_compare_exchange_u64_impl(volatile pg_atomic_uint64 *ptr, uint64 *expected, uint64 newval) { bool ret; uint64 current; current = atomic_cas_64(&ptr->value, *expected, newval); ret = current == *expected; *expected = current; return ret; } #endif /* HAVE_ATOMIC_H */ #endif /* defined(HAVE_ATOMICS) */
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