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* sysdeps/unix/sysv/linux/clock_gettime.c (maybe_syscall_gettime_cpu):

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Build fix for systems which might lack POSIX timer support.
This commit is contained in:
Ulrich Drepper
2007-08-13 00:46:30 +00:00
parent 3c87d79db7
commit 4eb375fea3
2 changed files with 12 additions and 1 deletions
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3
ChangeLog
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@ -1,5 +1,8 @@
2007-08-12 Ulrich Drepper <drepper@redhat.com> 2007-08-12 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/clock_gettime.c (maybe_syscall_gettime_cpu):
Build fix for systems which might lack POSIX timer support.
* sysdeps/unix/sysv/linux/x86_64/libc-start.c * sysdeps/unix/sysv/linux/x86_64/libc-start.c
(_libc_vdso_platform_setup): Mangle function pointers before storing (_libc_vdso_platform_setup): Mangle function pointers before storing
them. them.

10
sysdeps/unix/sysv/linux/clock_gettime.c
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@ -1,5 +1,5 @@
/* clock_gettime -- Get current time from a POSIX clockid_t. Linux version. /* clock_gettime -- Get current time from a POSIX clockid_t. Linux version.
Copyright (C) 2003,2004,2005,2006 Free Software Foundation, Inc. Copyright (C) 2003,2004,2005,2006,2007 Free Software Foundation, Inc.
This file is part of the GNU C Library. This file is part of the GNU C Library.
The GNU C Library is free software; you can redistribute it and/or The GNU C Library is free software; you can redistribute it and/or
@ -133,11 +133,19 @@ maybe_syscall_gettime_cpu (clockid_t clock_id, struct timespec *tp)
{ {
if (e == EINVAL) if (e == EINVAL)
{ {
# ifdef HAVE_CLOCK_GETRES_VSYSCALL
/* Check whether the kernel supports CPU clocks at all. /* Check whether the kernel supports CPU clocks at all.
If not, record it for the future. */ If not, record it for the future. */
r = INTERNAL_VSYSCALL (clock_getres, err, 2, r = INTERNAL_VSYSCALL (clock_getres, err, 2,
MAKE_PROCESS_CPUCLOCK (0, CPUCLOCK_SCHED),
NULL);
# else
/* Check whether the kernel supports CPU clocks at all.
If not, record it for the future. */
r = INTERNAL_SYSCALL (clock_getres, err, 2,
MAKE_PROCESS_CPUCLOCK (0, CPUCLOCK_SCHED), MAKE_PROCESS_CPUCLOCK (0, CPUCLOCK_SCHED),
NULL); NULL);
# endif
if (INTERNAL_SYSCALL_ERROR_P (r, err)) if (INTERNAL_SYSCALL_ERROR_P (r, err))
__libc_missing_posix_cpu_timers = 1; __libc_missing_posix_cpu_timers = 1;
} }