tools/tests/unit_tests/pipes_fill_procinfo_11179336.c

   1 #include <stdio.h>
   2 #include <sys/stat.h>
   3 #include <unistd.h>
   4 #include <errno.h>
   5 #include <libproc.h>
   6
   7 int main(){
   8         int pipe_fds[2];
   9         if (pipe(&pipe_fds[0]) < 0) {
  10                 perror("pipe");
  11                 goto fail;
  12         }
  13         struct pipe_fdinfo pdinfo;
  14         /* from the headers
  15           int proc_pidfdinfo(int pid, int fd, int flavor, void * buffer, int buffersize) __OSX_AVAILABLE_STARTING(__MAC_10_5, __IPHONE_2_0);
  16         */
  17         int mypid = getpid();
  18         int flavor = PROC_PIDFDPIPEINFO;
  19         int nv = proc_pidfdinfo(mypid, pipe_fds[0], flavor, (void *) &pdinfo, sizeof(pdinfo));
  20         if (nv < 0) {
  21                 perror("proc_pidinfo");
  22                 goto fail;
  23         }
  24         printf("handle value = %p \n", (void *)pdinfo.pipeinfo.pipe_handle);
  25         struct stat mystat;
  26         fstat(pipe_fds[0], &mystat);
  27         printf("ino value = %p \n", (void *)mystat.st_ino);
  28
  29         if ( (uintptr_t)mystat.st_ino == (uintptr_t)pdinfo.pipeinfo.pipe_handle)
  30                 goto success;
  31         fail:
  32                 printf("[FAILED] fill_pipeinfo returned wrong values. (i.e. pipeinfo->pipe_handle != fstat->st_ino ) \n");
  33                 return -1;
  34         success:
  35                 printf("[PASSED] fill_pipeinfo returned correct values. (i.e. pipeinfo->pipe_handle ==  fstat->st_ino ) \n");
  36                 return 0;
  37 }
  38