File: osatomics-bitops.mm

package info (click to toggle)
llvm-toolchain-16 1%3A16.0.6-15~deb12u1
  • links: PTS, VCS
  • area: main
  • in suites:
  • size: 1,634,792 kB
  • sloc: cpp: 6,179,261; ansic: 1,216,205; asm: 741,319; python: 196,614; objc: 75,325; f90: 49,640; lisp: 32,396; pascal: 12,286; sh: 9,394; perl: 7,442; ml: 5,494; awk: 3,523; makefile: 2,723; javascript: 1,206; xml: 886; fortran: 581; cs: 573
file content (34 lines) | stat: -rw-r--r-- 1,028 bytes parent folder | download | duplicates (37)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
// RUN: %clangxx_tsan %s -o %t -framework Foundation -std=c++11
// RUN: %run %t 2>&1 | FileCheck %s

#import <Foundation/Foundation.h>
#import <libkern/OSAtomic.h>

int main(int argc, const char *argv[]) {
  int value = 1;
  bool ret = OSAtomicTestAndClear(7, &value);
  fprintf(stderr, "value = %d, ret = %d\n", value, ret);
  // CHECK: value = 0, ret = 1

  ret = OSAtomicTestAndSet(4, &value);
  fprintf(stderr, "value = %d, ret = %d\n", value, ret);
  // CHECK: value = 8, ret = 0

  ret = OSAtomicTestAndClear(4, &value);
  fprintf(stderr, "value = %d, ret = %d\n", value, ret);
  // CHECK: value = 0, ret = 1

  ret = OSAtomicTestAndSet(12, &value);
  fprintf(stderr, "value = %d, ret = %d\n", value, ret);
  // CHECK: value = 2048, ret = 0

  ret = OSAtomicTestAndSet(13, &value);
  fprintf(stderr, "value = %d, ret = %d\n", value, ret);
  // CHECK: value = 3072, ret = 0

  ret = OSAtomicTestAndClear(12, &value);
  fprintf(stderr, "value = %d, ret = %d\n", value, ret);
  // CHECK: value = 1024, ret = 1

  return 0;
}