compiler-rt/test/sanitizer_common/TestCases/Linux/pthread_getaffinity_np.cpp

   1 // RUN: %clangxx -O0 %s -o %t && %run %t
   2
   3 // Android does not implement pthread_getaffinity_np.
   4 // (Note: libresolv is integrated with libc, but apparently only
   5 // sched_getaffinity).
   6 // UNSUPPORTED: android
   7
   8 #include <assert.h>
   9 #include <pthread.h>
  10 #include <sys/sysinfo.h>
  11
  12 #include <sanitizer/msan_interface.h>
  13
  14 int main() {
  15   cpu_set_t set_x[4];
  16   pthread_t tid = pthread_self();
  17   int res = pthread_getaffinity_np(tid, sizeof(set_x), set_x);
  18   assert(res == 0);
  19   int cpus = CPU_COUNT_S(sizeof(set_x), set_x);
  20   assert(cpus > 0 && cpus <= get_nprocs());
  21
  22   return 0;
  23 }