tests/mmap.c

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#include "test_skel.h"

int main(int argc, char *argv[]) {
  int fd;
  void *ptr;

  fd = sys_open("/dev/zero", O_RDONLY, 0);
  assert(fd != -1);

  ptr = sys_mmap(NULL, 0x1000, PROT_READ|PROT_WRITE, MAP_PRIVATE, fd, 0);
  assert(ptr != MAP_FAILED);

  assert(*(unsigned long *)ptr == 0);

  assert(sys_munmap(ptr, 0x1000) == 0);

  assert(sys_close(fd) == 0);

  return 0;
}