none/tests/threadederrno.c

   1 /* Make sure we use the POSIX version of strerror_r() on Linux. */
   2 #define _XOPEN_SOURCE 600
   3
   4 #include <pthread.h>
   5 #include <stdio.h>
   6 #include <errno.h>
   7 #include <string.h>
   8
   9
  10 void* thr2 ( void* v )
  11 {
  12   char errstr[128];
  13   FILE* f = fopen("bogus2", "r");
  14   strerror_r(errno, errstr, sizeof(errstr));
  15   printf("f  = %ld, errno  = %d (%s)\n", (long)f, errno, errstr);
  16   return NULL;
  17 }
  18
  19 void* thr3 ( void* v )
  20 {
  21   char errstr[128];
  22   FILE* f = fopen("bogus3", "r");
  23   strerror_r(errno, errstr, sizeof(errstr));
  24   printf("f  = %ld, errno  = %d (%s)\n", (long)f, errno, errstr);
  25   return NULL;
  26 }
  27
  28
  29 int main ( void )
  30 {
  31   char errstr[128];
  32   FILE* f;
  33   pthread_t tid2, tid3;
  34   pthread_create(&tid2, NULL, &thr2, NULL);
  35   pthread_create(&tid3, NULL, &thr3, NULL);
  36   f = fopen("bogus", "r");
  37   strerror_r(errno, errstr, sizeof(errstr));
  38   printf("f  = %ld, errno  = %d (%s)\n", (long)f, errno, errstr);
  39   pthread_join(tid2, NULL);
  40   pthread_join(tid3, NULL);
  41   return 0;
  42 }
  43