diff options
Diffstat (limited to 'winsup/cygwin/syscalls.cc')
| -rw-r--r-- | winsup/cygwin/syscalls.cc | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/winsup/cygwin/syscalls.cc b/winsup/cygwin/syscalls.cc index 637ecaf90..57eb51cd2 100644 --- a/winsup/cygwin/syscalls.cc +++ b/winsup/cygwin/syscalls.cc @@ -322,6 +322,9 @@ _read (int fd, void *ptr, size_t len) goto out; } + if (!cfd.isopen()) + return -1; + /* Check to see if this is a background read from a "tty", sending a SIGTTIN, if appropriate */ res = cfd->bg_check (SIGTTIN); |