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class.
(cygwin_exception::h): New member.
(cygwin_exception::cygwin_exception): Initialize h to NULL.
* exceptions.cc (cygwin_exception::open_stackdumpfile): Move into
cygwin_exception class. Use 'h' class member.
(cygwin_exception::dumpstack): Close stack dump file handle if opened.
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* include/exceptions.h: Remove.
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* include/exceptions.h: Disable content for x86_64 since it's not
using frame based exception handling anymore.
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* exception.h (cygwin_exception): New class.
(cygwin_exception::dumpstack): Declare new function.
(cygwin_exception::context): Ditto.
(cygwin_exception::dump_exception): Ditto.
* exceptions.cc (cygwin_exception::dump_exception): Move into cygwin_exception
class. Accommodate new variable names.
(cygwin_exception::dumpstack): Ditto stackdump -> dumpstack.
(exception::handle): Move andreas processing earlier. Defer signal processing
decisions to the signal thread where they belong. Pass exception information
to sig_send via new siginfo_t si_cyg field.
(ctrl_c_handler): Wait for SIGHUP signal to be processed since it could cause a
process exit and we don't want races with thread exit lock.
(signal_exit): Move back here from sigproc.cc. Modify arguments and remove
from sigpacket class. Decide when to dump core based on signal type.
(sigpacket::process): Handle exiting signals in context of threads rather than
in the signal thread. Signal debugger on non-Windows signals. Remove
setup_signal_exit call.
* sigproc.cc (no_signals_available): Remove argument.
(signal_exit_code): Delete.
(close_my_readsig): Ditto.
(_cygtls::signal_exit): Move to exceptions.cc.
(sigproc_terminate): Don't attempt to terminate signal thread.
(setup_signal_exit): Delete.
(exit_thread): Use new si_cyg entry in siginfo_t.
(sig_send): Just use empty initializer for si. Accommodate change in
no_signals_available argument.
(wait_sig): Remove attempt to "go asynchronous" on process exit. Delete
__SIGEXIT handling. Don't ever exit.
* sigproc.h: Remove __SIGEXIT from signal enum. Renumber.
* include/cygwin/signal.h (siginfo_t): Add si_cyg entry.
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* exceptions.cc (stackdump): Rework to perform all operations needed for a
stackdump and to avoid recursion.
(exception::handle): Use simplified stackdump interface.
* sigproc.cc (signal::exit): Ditto. Delete now, uneeded declaration.
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* dll_init.cc: Fix typo in comment.
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* cygtls.cc (_cygtls::call): Invoke new exception protection here.
(_cygtls::init_thread): Remove conditionalized exception handler setup.
(exception_list): Delete declaration.
(_cygtls::init_exception_handler): Delete obsolete function.
* cygtls.h: Remove (now) unneeded include.
(_cygtls): Make this a real C++ class.
(_cygtls::handle_exceptions): Remove.
(_cygtls::init_exception_handler): Remove.
(_cygtls::call2): Make private.
(myfault::faulted): Remove unneeded parentheses.
* dcrt0.cc (dll_crt0_1): Remove exception handler setup.
* dlfcn.cc (dlopen): Ditto.
(dlclose): Ditto.
* dll_init.cc (dll_dllcrt0_1): Ditto.
(dll_list::detach): Use new exception handler protection.
* exceptions.cc (dump_exception): Rename to prevent confusion with new class.
(exception::handle): Rename from _cygtls::handle_exceptions. Accommodate new
exception class. Accommodate rename to dump_exception.
* tlsoffsets.h: Regenerate.
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