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35 lines
1.0 KiB
35 lines
1.0 KiB
4 months ago
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// RUN: %clangxx_tsan %s -o %t -framework Foundation -std=c++11
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// RUN: %run %t 2>&1 | FileCheck %s
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#import <Foundation/Foundation.h>
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#import <libkern/OSAtomic.h>
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int main(int argc, const char *argv[]) {
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int value = 1;
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bool ret = OSAtomicTestAndClear(7, &value);
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fprintf(stderr, "value = %d, ret = %d\n", value, ret);
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// CHECK: value = 0, ret = 1
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ret = OSAtomicTestAndSet(4, &value);
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fprintf(stderr, "value = %d, ret = %d\n", value, ret);
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// CHECK: value = 8, ret = 0
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ret = OSAtomicTestAndClear(4, &value);
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fprintf(stderr, "value = %d, ret = %d\n", value, ret);
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// CHECK: value = 0, ret = 1
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ret = OSAtomicTestAndSet(12, &value);
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fprintf(stderr, "value = %d, ret = %d\n", value, ret);
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// CHECK: value = 2048, ret = 0
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ret = OSAtomicTestAndSet(13, &value);
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fprintf(stderr, "value = %d, ret = %d\n", value, ret);
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// CHECK: value = 3072, ret = 0
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ret = OSAtomicTestAndClear(12, &value);
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fprintf(stderr, "value = %d, ret = %d\n", value, ret);
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// CHECK: value = 1024, ret = 1
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return 0;
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}
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