ndk/tests/device/test-cpufeatures/jni/test_android_setCpu_2.c

   1 #include <stdio.h>
   2 #include <stdlib.h>
   3
   4 #include "cpu-features.h"
   5
   6 static void panic(const char* msg) {
   7   fprintf(stderr, "ERROR: %s\n", msg);
   8   exit(1);
   9 }
  10
  11 int main(void) {
  12   int count, cpu_count = 10;
  13   uint64_t features, cpu_features = 0xaabdedf012934839ULL;
  14
  15   count = android_getCpuCount();
  16   features = android_getCpuFeatures();
  17
  18   printf("Retrieved cpu_count=%d, features=%08llx\n",
  19          count, features);
  20
  21   // Check that android_setCpu() will fail when it is called after
  22   // android_getCpuCount / android_getCpuFeatures.
  23   //
  24   printf("Trying to set cpu_count=%d, features=%08llx\n",
  25          cpu_count,
  26          cpu_features);
  27
  28   if (android_setCpu(cpu_count, cpu_features))
  29     panic("android_setCpu() call should have failed!");
  30
  31   printf("android_setCpu() call fail as expected.\n");
  32   return 0;
  33 }