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* dcrt0.cc (jit_debug): New global.

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(initial_env): Set jit_debug when we are automatically starting a gdb process.
* dtable.cc (dtable::get_debugger_info): Don't tty tricks when we are being
debugged by our own captive gdb, as determined by jit_debug == true.
(dtable::init_std_file_from_handle): Detect errors when initializing a tty
early rather than at random points later.
* fhandler.h (fhandler_*::init): Return int to indicate success/failure.
* fhandler.cc (fhandler_base::init): Reflect change in return value.
* pipe.cc (fhandler_pipe::init): Ditto.
(fhandler_pipe::create_selectable): Don't say we're retrying when we aren't.
* fhandler_console.cc (fhandler_console::init): Ditto.  Return success/failure.
* fhandler_serial.cc (fhandler_serial::init): Ditto.
* fhandler_tty.cc (fhandler_tty_slave::init): Ditto.
(fhandler_tty_slave::open): Make debugging output more detailed.
* tty.cc (tty_list::terminate): Don't close I/O handles before all slaves have
checked in.
(tty::slave_alive): Make a non-inlined function.  Check if tty pipe handles can
be created as an additional exists check.
* tty.h (tty::slave_alive): Just define here.
This commit is contained in:
Christopher Faylor
2009-07-03 18:05:51 +00:00
parent 3e62013829
commit 3c4f2024a1
11 changed files with 85 additions and 38 deletions
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7
winsup/cygwin/pipe.cc
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@@ -29,7 +29,7 @@ fhandler_pipe::fhandler_pipe ()
uninterruptible_io (true);
}
void
int
fhandler_pipe::init (HANDLE f, DWORD a, mode_t mode)
{
// FIXME: Have to clean this up someday
@@ -53,6 +53,7 @@ fhandler_pipe::init (HANDLE f, DWORD a, mode_t mode)
if (mode & O_NOINHERIT)
close_on_exec (true);
setup_overlapped (opened_properly);
return 1;
}
extern "C" int sscanf (const char *, const char *, ...);
@@ -259,12 +260,12 @@ fhandler_pipe::create_selectable (LPSECURITY_ATTRIBUTES sa_ptr, HANDLE& r,
case ERROR_PIPE_BUSY:
/* The pipe is already open with compatible parameters.
Pick a new name and retry. */
debug_printf ("pipe busy, retrying");
debug_printf ("pipe busy", name ? ", retrying" : "");
break;
case ERROR_ACCESS_DENIED:
/* The pipe is already open with incompatible parameters.
Pick a new name and retry. */
debug_printf ("pipe access denied, retrying");
debug_printf ("pipe access denied%s", name ? ", retrying" : "");
break;
default:
{