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Always zero all elements of siginfo_t throughout.

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* cygtls.h (_cygtls::thread_context): Declare new field.
(_cygtls::thread_id): Ditto.
(_cygtls::signal_exit): Move into this class.
(_cygtls::copy_context): Declare new function.
(_cygtls::signal_debugger): Ditto.
* cygtls.cc (_cygtls::init_thread): Fill out thread id field.
* exceptions.cc (exception): Change message when exception info is unknown.
Copy context to thread local storage.
(_cygtls::handle_exceptions): Avoid double test for fault_guarded.  Reflect
move of signal_exit to _cygtls class.
(sigpacket::process): Copy context to thread local storage.
(_cygtls::signal_exit): Move to _cygtls class.  Call signal_debugger to notify
debugger of exiting signal (WIP).  Call stackdump here (WIP).
(_cygtls::copy_context): Define new function.
(_cygtls::signal_debugger): Ditto.
* tlsoffsets.h: Regenerate.
* include/cygwin.h (_fpstate): New internal structure.
(ucontext): Declare new structure (WIP).
(__COPY_CONTEXT_SIZE): New define.
* exceptions.cc (_cygtls::interrupt_setup): Clear "threadkill" field when there
is no sigwaiting thread.
(setup_handler): Move event handling into interrupt_setup.
This commit is contained in:
Christopher Faylor
2006-02-06 18:24:11 +00:00
parent 125ff9be63
commit 985d0e68c5
13 changed files with 201 additions and 118 deletions
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6
winsup/cygwin/fhandler_termios.cc
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@@ -110,10 +110,9 @@ tty_min::kill_pgrp (int sig)
{
int killself = 0;
winpids pids ((DWORD) PID_MAP_RW);
siginfo_t si;
siginfo_t si = {0};
si.si_signo = sig;
si.si_code = SI_KERNEL;
si.si_pid = si.si_uid = si.si_errno = 0;
for (unsigned i = 0; i < pids.npids; i++)
{
_pinfo *p = pids[i];
@@ -172,10 +171,9 @@ fhandler_termios::bg_check (int sig)
by another signal. */
if (WaitForSingleObject (signal_arrived, 0) != WAIT_OBJECT_0)
{
siginfo_t si;
siginfo_t si = {0};
si.si_signo = sig;
si.si_code = SI_KERNEL;
si.si_pid = si.si_uid = si.si_errno = 0;
kill_pgrp (myself->pgid, si);
}
return bg_signalled;