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7ea8e226ee
* exceptions.cc: Remove some __I386__ conditionals. (handle_exceptions): Move ppid test to outside of a loop for efficiency. (setup_handler): Make debugging output more wordy. (_cygtls::call_signal_handler): To avoid a race, use lock/unlock to synchronize with signal thread and ensure that signal_arrived event has actually been set. * gendef (_sigfe): Use ebx for all sigstack manipulations to ensure that the register is saved. Move setting of incyg to within stack lock to avoid setup_handler confusion. (_sigbe): Use ebx for all sigstack manipulations to ensure that the register is saved. (_cygtls::pop): Ditto. (_cygtls::lock): Ditto. (stabilize_sig_stack): Ditto. (setjmp): Ditto. (longjmp): Ditto.