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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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5
winsup/cygwin/sigproc.cc
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@ -320,6 +320,7 @@ proc_subproc (DWORD what, DWORD val)
if (!DuplicateHandle (hMainProc, hMainProc, vchild->hProcess, &vchild->ppid_handle,
SYNCHRONIZE | PROCESS_DUP_HANDLE, TRUE, 0))
system_printf ("Couldn't duplicate my handle<%p> for pid %d, %E", hMainProc, vchild->pid);
VerifyHandle (vchild->ppid_handle);
vchild->ppid = myself->pid;
vchild->uid = myself->uid;
vchild->gid = myself->gid;
@ -716,17 +717,19 @@ sig_send (_pinfo *p, siginfo_t& si, _threadinfo *tls)
__seterrno ();
goto out;
}
VerifyHandle (hp);
for (int i = 0; !p->sendsig && i < 10000; i++)
low_priority_sleep (0);
if (!DuplicateHandle (hp, p->sendsig, hMainProc, &sendsig, false, 0,
DUPLICATE_SAME_ACCESS) || !sendsig)
{
CloseHandle (hp);
sigproc_printf ("DuplicateHandle failed, %E");
__seterrno ();
goto out;
}
CloseHandle (hp);
pack.wakeup = NULL;
VerifyHandle (sendsig);
}
sigproc_printf ("sendsig %p, pid %d, signal %d, its_me %d", sendsig, p->pid, si.si_signo, its_me);