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cd7570fdee
On OpenBSD, malloc introspection (e.g., malloc_usable_size or malloc_size) is not provided by the platform allocator. Since allocator introspection is currently a load-bearing piece of functionality for ManagedBuffer and ManagedBufferPointer, pending any API changes, as a stopgap measure, this commit marks methods in ManagedBuffer and ManagedBufferPointer calling _swift_stdlib_malloc_size and methods dependent thereon unavailable on OpenBSD. This may induce some compatibility issues for some files, but at least this change ensures that we can get stdlib to build on this platform until the evolution process addresses this problem more thoroughly.
56 lines
1.1 KiB
Swift
56 lines
1.1 KiB
Swift
// RUN: %target-run-simple-swift | %FileCheck %s
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// REQUIRES: executable_test
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// XFAIL: OS=openbsd
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import Swift
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// Regression test for <rdar://problem/16119895>.
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struct Generic<T> {
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typealias Storage = ManagedBuffer<Int,T>
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init() {
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buffer = ManagedBufferPointer(
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bufferClass: Storage.self, minimumCapacity: 0) { _,_ in 0 }
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}
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mutating func isUniqueReference() -> Bool {
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return buffer.isUniqueReference()
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}
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var buffer: ManagedBufferPointer<Int, T>
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}
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func g0() {
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var x = Generic<Int>()
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// CHECK: true
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print(x.isUniqueReference())
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// CHECK-NEXT: true
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print(x.buffer.isUniqueReference())
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}
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g0()
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struct NonGeneric {
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typealias T = Int
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typealias Storage = ManagedBuffer<Int,T>
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init() {
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buffer = ManagedBufferPointer(
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bufferClass: Storage.self, minimumCapacity: 0) { _,_ in 0 }
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}
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mutating func isUniqueReference() -> Bool {
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return buffer.isUniqueReference()
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}
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var buffer: ManagedBufferPointer<Int, T>
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}
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func g1() {
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var x = NonGeneric()
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// CHECK-NEXT: true
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print(x.isUniqueReference())
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// CHECK-NEXT: true
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print(x.buffer.isUniqueReference())
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}
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g1()
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