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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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5
winsup/cygwin/cygtls.h
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@@ -149,6 +149,8 @@ struct _cygtls
sigset_t sigmask;
sigset_t sigwait_mask;
siginfo_t *sigwait_info;
struct ucontext thread_context;
DWORD thread_id;
unsigned threadkill;
siginfo_t infodata;
struct pthread *tid;
@@ -193,6 +195,9 @@ struct _cygtls
static int handle_threadlist_exception (EXCEPTION_RECORD *e, exception_list *frame, CONTEXT *c, void *);
void init_exception_handler (int (*) (EXCEPTION_RECORD *, exception_list *, CONTEXT *, void*));
void init_threadlist_exceptions ();
void signal_exit (int) __attribute__ ((noreturn, regparm(2)));
void copy_context (CONTEXT *) __attribute__ ((regparm(2)));
void signal_debugger (int) __attribute__ ((regparm(2)));
#ifdef _THREAD_H
operator HANDLE () const {return tid->win32_obj_id;}