JehanneOS/newlib
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* configure.in: Remove NEWVFORK default.

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* configure: Regenerate.
* dcrt0.cc: Conditionalize vfork stuff throughout.
* dtable.cc: Ditto.
* perthread.h: Ditto.
* pipe.cc (fhandler_pipe::close): Ditto.
* spawn.cc (spawnve): Ditto.
* syscalls.cc (setsid): Ditto.
* exceptions.cc (sigpacket::process): Use macro to refer to vfork pid.
* debug.cc (verify_handle): Define new function.
* debug.h (VerifyHandle): Define new macro.
(verify_handle): Declare new function
* fhandler.cc (fhandler_base::dup): Verify that dup'ed handle is not supposed
to be in use.
(fhandler_base::set_inheritance): Ditto.
(fhandler_base::fork_fixup): Ditto.
* fhandler_socket.cc (fhandler_socket::dup): Ditto.
* fhandler_tty.cc (fhandler_tty_slave::open): Ditto.
* net.cc (set_socket_inheritance): Ditto.
* pinfo.cc (pinfo_fixup_after_exec): Ditto.
* sigproc.cc (proc_subproc): Ditto.
(sig_send): Ditto.
* spawn.cc (spawn_guts): Ditto.
* thread.cc (pthread::init_mainthread): Ditto.
* pipe.cc (fhandler_pipe::close): Close read_state with ForceCloseHandle since
it was protected.
(fhandler_pipe::fixup_after_exec): Protect read_state handle.
(fhandler_pipe::dup): Correctly close open handles on error condition.  Verify
that dup'ed handle is not supposed to be in use.
(fhandler_pipe::create): Protect read_state.
This commit is contained in:
Christopher Faylor
2004-01-23 23:05:33 +00:00
parent 7dddf53f5c
commit f723909038
22 changed files with 150 additions and 27 deletions
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11
winsup/cygwin/dcrt0.cc
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@@ -45,10 +45,14 @@ HANDLE NO_COPY hMainProc = (HANDLE) -1;
HANDLE NO_COPY hMainThread;
per_thread_waitq NO_COPY waitq_storage;
#ifdef NEWVFORK
per_thread_vfork NO_COPY vfork_storage;
#endif
per_thread NO_COPY *threadstuff[] = {&waitq_storage,
#ifdef NEWVFORK
&vfork_storage,
#endif
NULL};
bool display_title;
@@ -59,7 +63,9 @@ codepage_type current_codepage = ansi_cp;
int __argc_safe;
int _declspec(dllexport) __argc;
char _declspec(dllexport) **__argv;
#ifdef NEWVFORK
vfork_save NO_COPY *main_vfork;
#endif
static int NO_COPY envc;
char NO_COPY **envp;
@@ -764,9 +770,10 @@ dll_crt0_1 (char *)
Need to do this before any helper threads start. */
debug_init ();
#ifdef NEWVFORK
cygheap->fdtab.vfork_child_fixup ();
main_vfork = vfork_storage.create ();
#endif
cygbench ("pre-forkee");
if (user_data->forkee)
@@ -993,12 +1000,14 @@ do_exit (int status)
{
syscall_printf ("do_exit (%d), exit_state %d", status, exit_state);
#ifdef NEWVFORK
vfork_save *vf = vfork_storage.val ();
if (vf != NULL && vf->pid < 0)
{
exit_state = ES_NOT_EXITING;
vf->restore_exit (status);
}
#endif
EnterCriticalSection (&exit_lock);
muto::set_exiting_thread ();