/* profile.c --- generate periodic events for profiling of Emacs Lisp code.
- Copyright (C) 1992, 1994, 1999, 2001, 2002, 2003, 2004,
- 2005, 2006, 2007 Free Software Foundation, Inc.
+ Copyright (C) 1992, 1994, 1999, 2001-2016 Free Software Foundation,
+ Inc.
- Author: Boaz Ben-Zvi <boaz@lcs.mit.edu>
+Author: Boaz Ben-Zvi <boaz@lcs.mit.edu>
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 3, 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/>. */
/**
- ** To be run as an emacs process. Input string that starts with:
+ ** To be run as an emacs subprocess. Input string that starts with:
** 'z' -- resets the watch (to zero).
** 'p' -- return time (on stdout) as string with format <sec>.<micro-sec>
** 'q' -- exit.
** abstraction : a stopwatch
** operations: reset_watch, get_time
*/
+
+#define INLINE EXTERN_INLINE
#include <config.h>
+
+#include <inttypes.h>
#include <stdio.h>
+
+#include <intprops.h>
#include <systime.h>
-static EMACS_TIME TV1, TV2;
+static struct timespec TV1;
static int watch_not_started = 1; /* flag */
-static char time_string[30];
+static char time_string[INT_STRLEN_BOUND (uintmax_t) + sizeof "."
+ + LOG10_TIMESPEC_RESOLUTION];
/* Reset the stopwatch to zero. */
-void
-reset_watch ()
+static void
+reset_watch (void)
{
- EMACS_GET_TIME (TV1);
+ TV1 = current_timespec ();
watch_not_started = 0;
}
/* This call returns the time since the last reset_watch call. The time
- is returned as a string with the format <seconds>.<micro-seconds>
+ is returned as a string with the format <seconds>.<nanoseconds>
If reset_watch was not called yet, exit. */
-char *
-get_time ()
+static char *
+get_time (void)
{
+ struct timespec TV2 = timespec_sub (current_timespec (), TV1);
+ uintmax_t s = TV2.tv_sec;
+ int ns = TV2.tv_nsec;
if (watch_not_started)
exit (EXIT_FAILURE); /* call reset_watch first ! */
- EMACS_GET_TIME (TV2);
- EMACS_SUB_TIME (TV2, TV2, TV1);
- sprintf (time_string, "%lu.%06lu", (unsigned long)EMACS_SECS (TV2), (unsigned long)EMACS_USECS (TV2));
+ sprintf (time_string, "%"PRIuMAX".%0*d", s, LOG10_TIMESPEC_RESOLUTION, ns);
return time_string;
}
-
-#if ! defined (HAVE_GETTIMEOFDAY) && defined (HAVE_TIMEVAL)
-
-/* ARGSUSED */
-gettimeofday (tp, tzp)
- struct timeval *tp;
- struct timezone *tzp;
-{
- extern long time ();
-
- tp->tv_sec = time ((long *)0);
- tp->tv_usec = 0;
- if (tzp != 0)
- tzp->tz_minuteswest = -1;
-}
-
-#endif
\f
int
-main ()
+main (void)
{
int c;
while ((c = getchar ()) != EOF)
exit (EXIT_FAILURE);
}
-/* arch-tag: 8db68f7e-2322-4944-a315-dba349bdbf39
- (do not change this comment) */
/* profile.c ends here */