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* cygheap.cc (dup_now): Make fatal error a little more informative.

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(cygheap_setup_for_child): Detect when default size of shared region is less
than the current size and allocate that much.
(_cbrk): Just return NULL on inability to allocate.
(_cmalloc): Ditto.
* cygheap.h (CYGHEAPSIZE): Change size to reflect newer, tinier fhandler sizes.
* spawn.cc (av::error): New element, reflects potential errno from cmalloc.
(av::~av): Don't free NULL pointers.
(av::replace0_maybe): Detect out-of-memory conditions.
(av::dup_maybe): Ditto.
(av::dup_all): Ditto.
(av::unshift): Ditto.
(spawn_guts): Set errno and return if argv creation ran into problems.
* fhandler.h (fhandler_union): Change member names to something safer.
* fhandler_console.cc (fhandler_console::get_tty_stuff): Always set
fhandler_console::dev_state regardless of whether shared region is initialized.
* cygthread.cc (cygthread::runner): Use ExitThread rather than return
(planning for future).
This commit is contained in:
Christopher Faylor
2002-10-09 04:08:05 +00:00
parent ce6ac4003f
commit 7da53596cf
8 changed files with 108 additions and 49 deletions
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5
winsup/cygwin/fhandler_console.cc
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@ -100,12 +100,14 @@ dev_console NO_COPY *fhandler_console::dev_state;
tty_min *
fhandler_console::get_tty_stuff (int flags = 0)
{
if (shared_console_info)
if (dev_state)
return &shared_console_info->tty_min_state;
shared_console_info =
(console_state *) open_shared (NULL, 0, cygheap->console_h,
sizeof (*shared_console_info), NULL);
dev_state = &shared_console_info->dev_state;
ProtectHandleINH (cygheap->console_h);
if (!shared_console_info->tty_min_state.ntty)
{
@ -113,7 +115,6 @@ fhandler_console::get_tty_stuff (int flags = 0)
shared_console_info->tty_min_state.setsid (myself->sid);
shared_console_info->tty_min_state.set_ctty (TTY_CONSOLE, flags);
fhandler_console::dev_state = &shared_console_info->dev_state;
dev_state->scroll_region.Bottom = -1;
dev_state->dwLastCursorPosition.X = -1;
dev_state->dwLastCursorPosition.Y = -1;