none/tests/mips32/bug320057-mips32.c

   1 #include <sys/types.h>
   2 #include <sys/stat.h>
   3 #include <fcntl.h>
   4 #include <unistd.h>
   5 #include "tests/sys_mman.h"
   6 #include <errno.h>
   7 #include <stdio.h>
   8 #include <string.h>
   9
  10 /* Test case supplied by Vasile Floroiu. */
  11
  12 #define DO(cmd) printf(#cmd "; status: %s\n", strerror(errno))
  13 #define SZ 48216 + 1024
  14
  15 int main()
  16 {
  17    int fd;
  18
  19    fd = shm_open("/hw_mngr.c", (O_CREAT | O_EXCL | O_RDWR),
  20                  (S_IREAD | S_IWRITE));
  21    DO(shm_open());
  22    {
  23       void *ptr;
  24       ftruncate(fd, SZ);
  25       DO(ftruncate(fd, SZ));
  26
  27       ptr = mmap(0, SZ, (PROT_READ | PROT_WRITE), MAP_SHARED, fd, 0);
  28       DO(mmap());
  29
  30       munmap(ptr, SZ);
  31       DO(munmap());
  32    }
  33    shm_unlink("/hw_mngr.c");
  34    DO(shm_unlink());
  35    return 0;
  36 }