* dlopen.c (dlopen): Return NULL when name is NULL (suggested by

chrisiasci@aol.com).
* cygwin.din: Add a new, internally used export - _check_for_executable.
* dcrt0.cc (dll_crt0_1): Set _check_for_executable for older binaries.  Pass
user_data to premain functions.
* fhandler.cc (fhandler_disk_file::open): Only check for executable if the
linked program is intereested in the executable bit.
(fhandler_disk_file::check_execable_p): Delete.
* fhandler.h (executable_states): New enumeration of various states of
executable bit caring.
(fhandler_base::set_execable_p): New method.
* fhandler_termios.cc (fhandler_termios::line_edit): Flag when a signal has
been sent to the tty.  Return -1 when this is so.
* fhandler_console.cc (fhandler_console::read): Return -1 when signal sending
character encountered.
* path.cc (path_conv::check): Record when path refers to a disk device.  Move
executable extension check here.
(check_sysfile): Accomodate new EXEC path states.
(has_suffix): Remove.
(next_suffix): Remove.
(class suffix_scan): New clas.
(suffix_scan::has): New method.
(suffix_scan:next): New method.
(symlink_info::check): Use suffix_scan method to control for scanning for
suffixes.
* path.h (path_conv::exec_state): New method.
* perprocess.h: Make "C" friendly.
* include/cygwin/version.h: Define CYGWIN_VERSION_CHECK_FOR_S_IEXEC.  Bump
CYGWIN_VERSION_API_MINOR.
* include/sys/cygwin.h: Change premain declarations.
* winsup.h: Move __cplusplus test to after builtin defines.

1 files changed, 7 insertions, 0 deletions

diff --git a/winsup/cygwin/fhandler_termios.cc b/winsup/cygwin/fhandler_termios.cc
index 1d0491379..046199903 100644
--- a/winsup/cygwin/fhandler_termios.cc
+++ b/winsup/cygwin/fhandler_termios.cc
@@ -165,6 +165,7 @@ fhandler_termios::line_edit (const char *rptr, int nread, int always_accept)
 {
   char c;
   int input_done = 0;
+  bool sawsig = FALSE;
   int iscanon = tc->ti.c_lflag & ICANON;
 
   while (nread-- > 0)
@@ -210,6 +211,7 @@ fhandler_termios::line_edit (const char *rptr, int nread, int always_accept)
 	  termios_printf ("got interrupt %d, sending signal %d", c, sig);
 	  kill_pgrp (tc->getpgid (), sig);
 	  tc->ti.c_lflag &= ~FLUSHO;
+	  sawsig = 1;
 	  goto restart_output;
 	}
     not_a_sig:
@@ -296,6 +298,11 @@ fhandler_termios::line_edit (const char *rptr, int nread, int always_accept)
   if (!iscanon || always_accept)
     set_input_done (ralen > 0);
 
+  if (sawsig)
+    {
+      // tc->write_error = EINTR;
+      input_done = -1;
+    }
   if (input_done)
     (void) accept_input ();