diff options
Diffstat (limited to 'winsup/cygwin/mmap.cc')
| -rw-r--r-- | winsup/cygwin/mmap.cc | 14 |
1 files changed, 2 insertions, 12 deletions
diff --git a/winsup/cygwin/mmap.cc b/winsup/cygwin/mmap.cc index e05d014f5..5f07efd98 100644 --- a/winsup/cygwin/mmap.cc +++ b/winsup/cygwin/mmap.cc @@ -336,7 +336,6 @@ mmap (caddr_t addr, size_t len, int prot, int flags, int fd, off_t off) if (off % getpagesize () || (!(flags & MAP_SHARED) && !(flags & MAP_PRIVATE)) || ((flags & MAP_SHARED) && (flags & MAP_PRIVATE)) - || ((flags & MAP_SHARED) && (flags & MAP_ANONYMOUS)) || ((flags & MAP_FIXED) && ((DWORD)addr % granularity)) || !len) { @@ -409,17 +408,8 @@ mmap (caddr_t addr, size_t len, int prot, int flags, int fd, off_t off) gran_len = fsiz; } else if (fh->get_device () == FH_ZERO) - { - /* mmap /dev/zero is like MAP_ANONYMOUS. */ - if (flags & MAP_SHARED) - { - set_errno (EINVAL); - syscall_printf ("-1 = mmap(): EINVAL"); - ReleaseResourceLock(LOCK_MMAP_LIST,READ_LOCK|WRITE_LOCK," mmap"); - return MAP_FAILED; - } - fd = -1; - } + /* mmap /dev/zero is like MAP_ANONYMOUS. */ + fd = -1; } if (fd == -1) { |