test/clib/fcntl.c

   1 #include <fcntl.h>
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include "test.h"
   5
   6 int fd = -1;
   7 int fd2 = -1;
   8
   9 int main()
  10 {
  11     fd = mkstemp("T:lseekXXXXXX");
  12     TEST((fd != -1));
  13
  14     /* Check if F_GETFD and F_SETFD is working */
  15     TEST((fcntl(fd, F_GETFD) == 0));
  16     TEST((fcntl(fd, F_SETFD, FD_CLOEXEC) == 0));
  17     TEST((fcntl(fd, F_GETFD) == FD_CLOEXEC));
  18     TEST((fcntl(fd, F_SETFD, 0) == 0));
  19     TEST((fcntl(fd, F_GETFD) == 0));
  20
  21     int fd2 = dup(fd);
  22     TEST((fd2 != -1));
  23
  24     /* Check if descriptor flags are independent for duped descriptors */
  25     TEST((fcntl(fd2, F_GETFD) == 0));
  26     TEST((fcntl(fd2, F_SETFD, FD_CLOEXEC) == 0));
  27     TEST((fcntl(fd2, F_GETFD) == FD_CLOEXEC));
  28     TEST((fcntl(fd, F_GETFD) == 0));
  29     TEST((fcntl(fd, F_SETFD, FD_CLOEXEC) == 0));
  30     TEST((fcntl(fd2, F_SETFD, 0) == 0));
  31     TEST((fcntl(fd, F_GETFD) == FD_CLOEXEC));
  32
  33     cleanup();
  34     return OK;
  35 }
  36
  37 void cleanup()
  38 {
  39     if(fd != -1)
  40         close(fd);
  41     if(fd2 != -1)
  42         close(fd2);
  43 }