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2001-04-21  Ulrich Drepper  <drepper@redhat.com>

	* elf/dl-support.c: Include cpuclock-init.h.  Use CPUCLOCK_VARDEF and
	CPUCLOCK_INIT if defined.
	* sysdeps/generic/dl-sysdep.c: Likewise.
	* sysdeps/generic/cpuclock-init.h: New file.
	* sysdeps/unix/i386/i586/cpuclock-init.h: New file.
	* sysdeps/unix/i386/i586/Versions: New file.
	* sysdeps/unix/i386/i586/clock_settime.c: New file.
	* sysdeps/unix/i386/i586/clock_gettime.c: Handle thread CPU clock
	separately by calling __pthread_clock_gettime if this function is
	available.  Subtract offset from tsc value before computing time value.
This commit is contained in:
Ulrich Drepper
2001-04-21 07:55:01 +00:00
parent b17c0a8e31
commit 5fc48cd78f
18 changed files with 358 additions and 28 deletions
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10
elf/dl-support.c
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@ -29,6 +29,7 @@
#include <bits/libc-lock.h>
#include <dl-librecon.h>
#include <unsecvars.h>
#include <cpuclock-init.h>
extern char *__progname;
char **_dl_argv = &__progname; /* This is checked for some error messages. */
@ -92,6 +93,11 @@ struct r_scope_elem *_dl_main_searchlist = &_dl_initial_searchlist;
/* Nonzero during startup. */
int _dl_starting_up = 1;
/* Initial value of the CPU clock. */
#ifdef CPUCLOCK_VARDEF
CPUCLOCK_VARDEF (_dl_cpuclock_offset);
#endif
/* During the program run we must not modify the global data of
loaded shared object simultanously in two threads. Therefore we
protect `_dl_open' and `_dl_close' in dl-close.c.
@ -127,6 +133,10 @@ static void non_dynamic_init (void) __attribute__ ((unused));
static void
non_dynamic_init (void)
{
#ifdef CPUCLOCK_INIT
CPUCLOCK_INIT (_dl_cpuclock_offset);
#endif
if (!_dl_pagesize)
_dl_pagesize = __getpagesize ();