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fix #12726 Cannot take the compile-time sizeof Atomic types (#15928)

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* fix #12726 Cannot take the compile-time sizeof Atomic types

* fix for arch 32
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Bung 2020-11-12 16:16:40 +08:00 • committed by GitHub
commit 826e62953f
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2 changed files with 26 additions and 7 deletions
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15
lib/pure/concurrency/atomics.nim
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@ -51,10 +51,11 @@ when defined(cpp) or defined(nimdoc):
## with other moSequentiallyConsistent operations.
type
Atomic* {.importcpp: "std::atomic".} [T] = object
Atomic*[T] {.importcpp: "std::atomic", completeStruct.} = object
## An atomic object with underlying type `T`.
raw: T
AtomicFlag* {.importcpp: "std::atomic_flag".} = object
AtomicFlag* {.importcpp: "std::atomic_flag", size: 1.} = object
## An atomic boolean state.
# Access operations
@ -249,10 +250,10 @@ else:
type
# Atomic* {.importcpp: "_Atomic('0)".} [T] = object
AtomicInt8 {.importc: "_Atomic NI8".} = object
AtomicInt16 {.importc: "_Atomic NI16".} = object
AtomicInt32 {.importc: "_Atomic NI32".} = object
AtomicInt64 {.importc: "_Atomic NI64".} = object
AtomicInt8 {.importc: "_Atomic NI8", size: 1.} = object
AtomicInt16 {.importc: "_Atomic NI16", size: 2.} = object
AtomicInt32 {.importc: "_Atomic NI32", size: 4.} = object
AtomicInt64 {.importc: "_Atomic NI64", size: 8.} = object
template atomicType*(T: typedesc[Trivial]): untyped =
# Maps the size of a trivial type to it's internal atomic type
@ -262,7 +263,7 @@ else:
elif sizeof(T) == 8: AtomicInt64
type
AtomicFlag* {.importc: "atomic_flag".} = object
AtomicFlag* {.importc: "atomic_flag", size: 1.} = object
Atomic*[T] = object
when T is Trivial: