/* systime.h - System-dependent definitions for time manipulations.
- Copyright (C) 1993, 1994, 2002, 2003, 2004,
- 2005 Free Software Foundation, Inc.
+ Copyright (C) 1993-1994, 2002-2012 Free Software Foundation, Inc.
This file is part of GNU Emacs.
-GNU Emacs is free software; you can redistribute it and/or modify
+GNU Emacs is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
-the Free Software Foundation; either version 2, or (at your option)
-any later version.
+the Free Software Foundation, either version 3 of the License, or
+(at your option) any later version.
GNU Emacs is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
-along with GNU Emacs; see the file COPYING. If not, write to
-the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-Boston, MA 02110-1301, USA. */
+along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>. */
#ifndef EMACS_SYSTIME_H
#define EMACS_SYSTIME_H
#endif
#endif
-#ifdef HAVE_TZNAME
-#ifndef tzname /* For SGI. */
-extern char *tzname[]; /* RS6000 and others want it this way. */
-#endif
-#endif
-
-/* SVr4 doesn't actually declare this in its #include files. */
-#ifdef USG5_4
-extern time_t timezone;
-#endif
-
-#ifdef VMS
-#ifdef VAXC
-#include "vmstime.h"
-#endif
+#ifdef emacs
+# ifdef HAVE_X_WINDOWS
+# include <X11/X.h>
+# else
+typedef unsigned long Time;
+# endif
#endif
/* On some configurations (hpux8.0, X11R4), sys/time.h and X11/Xos.h
EMACS_SECS (TIME) is an rvalue for the seconds component of TIME.
EMACS_SET_SECS (TIME, SECONDS) sets that to SECONDS.
- EMACS_HAS_USECS is defined iff EMACS_TIME has a usecs component.
+ EMACS_HAS_USECS is defined if EMACS_TIME has a usecs component.
EMACS_USECS (TIME) is an rvalue for the microseconds component of TIME.
This returns zero if EMACS_TIME doesn't have a microseconds component.
EMACS_SET_USECS (TIME, MICROSECONDS) sets that to MICROSECONDS.
EMACS_SUB_TIME (DEST, SRC1, SRC2) subtracts SRC2 from SRC1 and
stores the result in DEST. SRC should not be negative.
- EMACS_TIME_NEG_P (TIME) is true iff TIME is negative.
+ EMACS_TIME_NEG_P (TIME) is true if TIME is negative.
*/
#ifdef GETTIMEOFDAY_ONE_ARGUMENT
#define EMACS_GET_TIME(time) gettimeofday (&(time))
#else /* not GETTIMEOFDAY_ONE_ARGUMENT */
-#ifdef HAVE_STRUCT_TIMEZONE
-#define EMACS_GET_TIME(time) \
- do { \
- struct timezone dummy; \
- gettimeofday (&(time), &dummy); \
- } while (0)
-#else
/* Presumably the second arg is ignored. */
#define EMACS_GET_TIME(time) gettimeofday (&(time), NULL)
-#endif /* HAVE_STRUCT_TIMEZONE */
#endif /* not GETTIMEOFDAY_ONE_ARGUMENT */
#define EMACS_ADD_TIME(dest, src1, src2) \
#define EMACS_SET_SECS_USECS(time, secs, usecs) \
(EMACS_SET_SECS (time, secs), EMACS_SET_USECS (time, usecs))
-extern int set_file_times __P ((const char *, EMACS_TIME, EMACS_TIME));
+extern int set_file_times (const char *, EMACS_TIME, EMACS_TIME);
-/* Compare times T1 and T2. Value is 0 if T1 and T2 are the same.
- Value is < 0 if T1 is less than T2. Value is > 0 otherwise. */
+/* defined in keyboard.c */
+extern void set_waiting_for_input (EMACS_TIME *);
+
+/* When lisp.h is not included Lisp_Object is not defined (this can
+ happen when this files is used outside the src directory).
+ Use GCPRO1 to determine if lisp.h was included. */
+#ifdef GCPRO1
+/* defined in editfns.c*/
+extern Lisp_Object make_time (time_t);
+extern int lisp_time_argument (Lisp_Object, time_t *, int *);
+#endif
-#define EMACS_TIME_CMP(T1, T2) \
- (EMACS_SECS (T1) - EMACS_SECS (T2) \
- + (EMACS_SECS (T1) == EMACS_SECS (T2) \
- ? EMACS_USECS (T1) - EMACS_USECS (T2) \
+/* Compare times T1 and T2. Value is 0 if T1 and T2 are the same.
+ Value is < 0 if T1 is less than T2. Value is > 0 otherwise. (Cast
+ to long is for those platforms where time_t is an unsigned
+ type, and where otherwise T1 will always be grater than T2.) */
+
+#define EMACS_TIME_CMP(T1, T2) \
+ ((long)EMACS_SECS (T1) - (long)EMACS_SECS (T2) \
+ + (EMACS_SECS (T1) == EMACS_SECS (T2) \
+ ? EMACS_USECS (T1) - EMACS_USECS (T2) \
: 0))
/* Compare times T1 and T2 for equality, inequality etc. */
#define EMACS_TIME_LE(T1, T2) (EMACS_TIME_CMP (T1, T2) <= 0)
#endif /* EMACS_SYSTIME_H */
-
-/* arch-tag: dcb79915-cf99-4bce-9778-aade71d07651
- (do not change this comment) */