diff options
Diffstat (limited to 'src/lisp.h')
| -rw-r--r-- | src/lisp.h | 20 |
1 files changed, 17 insertions, 3 deletions
diff --git a/src/lisp.h b/src/lisp.h index 3a473a60b4..7a23ba6165 100644 --- a/src/lisp.h +++ b/src/lisp.h @@ -25,6 +25,7 @@ along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */ #include <stdarg.h> #include <stdbool.h> #include <stddef.h> +#include <float.h> #include <inttypes.h> #include <limits.h> @@ -1487,6 +1488,16 @@ struct Lisp_Float #define XFLOAT_DATA(f) (0 ? XFLOAT (f)->u.data : XFLOAT (f)->u.data) #define XFLOAT_INIT(f, n) (XFLOAT (f)->u.data = (n)) +/* Most hosts nowadays use IEEE floating point, so they use IEC 60559 + representations, have infinities and NaNs, and do not trap on + exceptions. Define IEEE_FLOATING_POINT if this host is one of the + typical ones. The C11 macro __STDC_IEC_559__ is close to what is + wanted here, but is not quite right because Emacs does not require + all the features of C11 Annex F (and does not require C11 at all, + for that matter). */ +#define IEEE_FLOATING_POINT (FLT_RADIX == 2 && FLT_MANT_DIG == 24 \ + && FLT_MIN_EXP == -125 && FLT_MAX_EXP == 128) + /* A character, declared with the following typedef, is a member of some character set associated with the current buffer. */ #ifndef _UCHAR_T /* Protect against something in ctab.h on AIX. */ @@ -2108,7 +2119,7 @@ extern char *stack_bottom; a request to exit Emacs when it is safe to do. */ extern void process_pending_signals (void); -extern int pending_signals; +extern int volatile pending_signals; extern void process_quit_flag (void); #define QUIT \ @@ -2633,7 +2644,6 @@ extern _Noreturn Lisp_Object wrong_type_argument (Lisp_Object, Lisp_Object); extern Lisp_Object do_symval_forwarding (union Lisp_Fwd *); extern void set_internal (Lisp_Object, Lisp_Object, Lisp_Object, bool); extern void syms_of_data (void); -extern void init_data (void); extern void swap_in_global_binding (struct Lisp_Symbol *); /* Defined in cmds.c */ @@ -3227,6 +3237,9 @@ extern int input_pending; extern Lisp_Object menu_bar_items (Lisp_Object); extern Lisp_Object tool_bar_items (Lisp_Object, int *); extern void discard_mouse_events (void); +#ifdef USABLE_SIGIO +void handle_input_available_signal (int); +#endif extern Lisp_Object pending_funcalls; extern int detect_input_pending (void); extern int detect_input_pending_ignore_squeezables (void); @@ -3269,7 +3282,7 @@ extern bool display_arg; extern Lisp_Object decode_env_path (const char *, const char *); extern Lisp_Object empty_unibyte_string, empty_multibyte_string; extern Lisp_Object Qfile_name_handler_alist; -extern _Noreturn void fatal_error_backtrace (int, int); +extern _Noreturn void terminate_due_to_signal (int, int); extern Lisp_Object Qkill_emacs; #if HAVE_SETLOCALE void fixup_locale (void); @@ -3320,6 +3333,7 @@ extern int wait_reading_process_output (intmax_t, int, int, int, #endif extern void add_keyboard_wait_descriptor (int); extern void delete_keyboard_wait_descriptor (int); +extern void record_child_status_change (pid_t, int); #ifdef HAVE_GPM extern void add_gpm_wait_descriptor (int); extern void delete_gpm_wait_descriptor (int); |