X-Git-Url: http://repo.macrolet.net/gitweb/?a=blobdiff_plain;f=src%2Fruntime%2Finterrupt.h;h=642160e9a96b13cf3038c2396280bb247ae9a3b5;hb=ae47ad0774edd8cb376772ae7e615428295f979e;hp=2a35852c79a0732d6fd1b8d36dbadde758a15db4;hpb=dc5e3163fe667e2629c7769aa8cf2e501eeeefa6;p=sbcl.git diff --git a/src/runtime/interrupt.h b/src/runtime/interrupt.h index 2a35852..642160e 100644 --- a/src/runtime/interrupt.h +++ b/src/runtime/interrupt.h @@ -18,25 +18,44 @@ * * Note: In CMU CL, this was 4096, but there was no explanation given, * and it's hard to see why we'd need that many nested interrupts, so - * I've scaled it back to see what happens. -- WHN 20000730 */ -#define MAX_INTERRUPTS 256 + * I've scaled it back (to 256) to see what happens. -- WHN 20000730 -extern os_context_t *lisp_interrupt_contexts[MAX_INTERRUPTS]; + * Nothing happened, so let's creep it back a bit further -- dan 20030411 */ +#define MAX_INTERRUPTS 32 union interrupt_handler { lispobj lisp; void (*c)(int, siginfo_t*, void*); }; -extern void interrupt_init(void); +struct interrupt_data { + void (*interrupt_low_level_handlers[NSIG]) (int, siginfo_t*, void*) ; + union interrupt_handler interrupt_handlers[NSIG]; + + /* signal information for pending signal. pending_signal=0 when there + * is no pending signal. */ + void (*pending_handler) (int, siginfo_t*, void*) ; + int pending_signal ; + siginfo_t pending_info; + sigset_t pending_mask; +}; + + +extern void interrupt_init(); extern void fake_foreign_function_call(os_context_t* context); extern void undo_fake_foreign_function_call(os_context_t* context); +extern void arrange_return_to_lisp_function(os_context_t *, lispobj); extern void interrupt_handle_now(int, siginfo_t*, void*); extern void interrupt_handle_pending(os_context_t*); extern void interrupt_internal_error(int, siginfo_t*, os_context_t*, boolean continuable); -extern boolean handle_control_stack_guard_triggered(os_context_t *,void *); +extern boolean handle_guard_page_triggered(os_context_t *,void *); extern boolean interrupt_maybe_gc(int, siginfo_t*, void*); +#ifdef LISP_FEATURE_SB_THREAD +extern void interrupt_thread_handler(int, siginfo_t*, void*); +extern void sig_stop_for_gc_handler(int, siginfo_t*, void*); +extern void thread_exit_handler(int, siginfo_t*, void*); +#endif extern void undoably_install_low_level_interrupt_handler (int signal, void handler(int, @@ -56,4 +75,6 @@ void sigaddset_blockable(sigset_t *s); * signal(..) handlers have another, and attempting to represent them * "cleanly" with union types is in fact a mess. */ #define ARE_SAME_HANDLER(x, y) ((void*)(x) == (void*)(y)) + #endif +