test/clib/fcntl.c

   1 #include <fcntl.h>
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include <unistd.h>
   5 #include "test.h"
   6
   7 int fd = -1;
   8 int fd2 = -1;
   9
  10 int main()
  11 {
  12     fd = mkstemp("T:lseekXXXXXX");
  13     TEST((fd != -1));
  14
  15     /* Check if F_GETFD and F_SETFD is working */
  16     TEST((fcntl(fd, F_GETFD) == 0));
  17     TEST((fcntl(fd, F_SETFD, FD_CLOEXEC) == 0));
  18     TEST((fcntl(fd, F_GETFD) == FD_CLOEXEC));
  19     TEST((fcntl(fd, F_SETFD, 0) == 0));
  20     TEST((fcntl(fd, F_GETFD) == 0));
  21
  22     int fd2 = dup(fd);
  23     TEST((fd2 != -1));
  24
  25     /* Check if descriptor flags are independent for duped descriptors */
  26     TEST((fcntl(fd2, F_GETFD) == 0));
  27     TEST((fcntl(fd2, F_SETFD, FD_CLOEXEC) == 0));
  28     TEST((fcntl(fd2, F_GETFD) == FD_CLOEXEC));
  29     TEST((fcntl(fd, F_GETFD) == 0));
  30     TEST((fcntl(fd, F_SETFD, FD_CLOEXEC) == 0));
  31     TEST((fcntl(fd2, F_SETFD, 0) == 0));
  32     TEST((fcntl(fd, F_GETFD) == FD_CLOEXEC));
  33
  34     cleanup();
  35     return OK;
  36 }
  37
  38 void cleanup()
  39 {
  40     if(fd != -1)
  41         close(fd);
  42     if(fd2 != -1)
  43         close(fd2);
  44 }