src/functional/tls_init.c

   1 #include <pthread.h>
   2 #include "test.h"
   3
   4 __thread int tls_fix = 23;
   5 __thread int tls_zero;
   6
   7 static void *f(void *arg)
   8 {
   9         if (tls_fix != 23)
  10                 t_error("fixed init failed: want 23 got %d\n", tls_fix);
  11         if (tls_zero != 0)
  12                 t_error("zero init failed: want 0 got %d\n", tls_zero);
  13         tls_fix++;
  14         tls_zero++;
  15         return 0;
  16 }
  17
  18 #define CHECK(f) do{ if(f) t_error("%s failed.\n", #f); }while(0)
  19 #define length(a) (sizeof(a)/sizeof*(a))
  20
  21 int main()
  22 {
  23         pthread_t t[5];
  24         int i, j;
  25
  26         if (tls_fix != 23)
  27                 t_error("fixed init failed: want 23 got %d\n", tls_fix);
  28         if (tls_zero != 0)
  29                 t_error("zero init failed: want 0 got %d\n", tls_zero);
  30
  31         for (j = 0; j < 2; j++) {
  32                 for (i = 0; i < length(t); i++) {
  33                         CHECK(pthread_create(t+i, 0, f, 0));
  34                         tls_fix++;
  35                         tls_zero++;
  36                 }
  37                 for (i = 0; i < length(t); i++)
  38                         CHECK(pthread_join(t[i], 0));
  39         }
  40
  41         return t_status;
  42 }