diff options
author | Christopher Faylor <me@cgf.cx> | 2009-01-27 08:21:08 +0300 |
---|---|---|
committer | Christopher Faylor <me@cgf.cx> | 2009-01-27 08:21:08 +0300 |
commit | 1ae0cd1335fd4874c7d3291e397d665cb4a19477 (patch) | |
tree | 79276873e271ba518611e3638e220548386c9eb4 /winsup/cygwin/fhandler.cc | |
parent | dcad81990b772be891c2b04e508a983cbd4da612 (diff) |
* fhandler.cc (fhandler_base::wait_overlapped): Set bytes to -1 on EINTR or
real error.
(fhandler_base::write_overlapped): Assume that bytes_written will contain
proper error value.
* pipe.cc (fhandler_pipe::fhandler_pipe): Set uninterruptible_io since signals
are handled by pipe functions now.
Diffstat (limited to 'winsup/cygwin/fhandler.cc')
-rw-r--r-- | winsup/cygwin/fhandler.cc | 9 |
1 files changed, 5 insertions, 4 deletions
diff --git a/winsup/cygwin/fhandler.cc b/winsup/cygwin/fhandler.cc index cb2877dd8..d1f21ec23 100644 --- a/winsup/cygwin/fhandler.cc +++ b/winsup/cygwin/fhandler.cc @@ -1697,7 +1697,7 @@ fhandler_base::wait_overlapped (bool inres, bool writing, DWORD *bytes) return inres; int res = 0; - *bytes = (DWORD) -1; + DWORD err; if (inres || ((err = GetLastError ()) == ERROR_IO_PENDING)) { @@ -1722,6 +1722,7 @@ fhandler_base::wait_overlapped (bool inres, bool writing, DWORD *bytes) { debug_printf ("got a signal"); set_errno (EINTR); + *bytes = (DWORD) -1; res = 0; err = 0; } @@ -1732,7 +1733,7 @@ fhandler_base::wait_overlapped (bool inres, bool writing, DWORD *bytes) } else { - debug_printf ("normal read"); + debug_printf ("normal %s, %u bytes", writing ? "write" : "read", *bytes); res = 1; err = 0; } @@ -1744,6 +1745,7 @@ fhandler_base::wait_overlapped (bool inres, bool writing, DWORD *bytes) { debug_printf ("err %u", err); __seterrno_from_win_error (err); + *bytes = (DWORD) -1; res = -1; } else @@ -1787,10 +1789,9 @@ fhandler_base::write_overlapped (const void *ptr, size_t len) bool res = WriteFile (get_output_handle (), ptr, len, &bytes_written, get_overlapped ()); int wres = wait_overlapped (res, true, &bytes_written); - if (wres < 0) - return -1; if (wres || !_my_tls.call_signal_handler ()) break; } + debug_printf ("returning %u", bytes_written); return bytes_written; } |