/* FIXME: do not rely on NSIG being a multiple of 8 */
#define REAL_SIGSET_SIZE_BYTES ((NSIG/8))
+extern void check_blockables_blocked_or_lose();
+
static inline void
sigcopyset(sigset_t *new, sigset_t *old)
{
*
* 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 256) to see what happens. -- WHN 20000730
+ * I've scaled it back (to 256) to see what happens. -- WHN 20000730
* Nothing happened, so let's creep it back a bit further -- dan 20030411 */
#define MAX_INTERRUPTS 32
void (*c)(int, siginfo_t*, void*);
};
-struct interrupt_data {
- void (*interrupt_low_level_handlers[NSIG]) (int, siginfo_t*, void*) ;
- union interrupt_handler interrupt_handlers[NSIG];
+extern union interrupt_handler interrupt_handlers[NSIG];
- /* signal information for pending signal. pending_signal=0 when there
+struct interrupt_data {
+ /* signal information for pending signal. pending_signal=0 when there
* is no pending signal. */
void (*pending_handler) (int, siginfo_t*, void*) ;
- int pending_signal ;
+ int pending_signal;
siginfo_t pending_info;
sigset_t pending_mask;
};
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_guard_page_triggered(os_context_t *,void *);
+ boolean continuable);
+extern boolean handle_guard_page_triggered(os_context_t *,os_vm_address_t);
extern boolean interrupt_maybe_gc(int, siginfo_t*, void*);
extern boolean interrupt_maybe_gc_int(int, siginfo_t *, void *);
extern boolean maybe_defer_handler(void *handler, struct interrupt_data *data,
extern void sig_stop_for_gc_handler(int, siginfo_t*, void*);
#endif
extern void undoably_install_low_level_interrupt_handler (int signal,
- void
- handler(int,
- siginfo_t*,
- void*));
+ void
+ handler(int,
+ siginfo_t*,
+ void*));
extern unsigned long install_handler(int signal,
- void handler(int, siginfo_t*, void*));
+ void handler(int, siginfo_t*, void*));
extern union interrupt_handler interrupt_handlers[NSIG];
+/* Set all deferrable signals into *s. */
+extern void sigaddset_deferrable(sigset_t *s);
/* Set all blockable signals into *s. */
-void sigaddset_blockable(sigset_t *s);
+extern void sigaddset_blockable(sigset_t *s);
+
+extern void block_blockable_signals();
/* The void* casting here avoids having to mess with the various types
* of function argument lists possible for signal handlers:
#define ARE_SAME_HANDLER(x, y) ((void*)(x) == (void*)(y))
#endif
-