lib/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2025-07-29 11:41:21 +03:00
Code Activity

Remove __ASSUME_POSIX_CPU_TIMERS.

Browse Source
This commit is contained in:
Joseph Myers
2012-09-01 21:32:04 +00:00
parent 033d54a2d4
commit 26889eacc2
8 changed files with 55 additions and 324 deletions
Download Patch File Download Diff File Expand all files Collapse all files

54
sysdeps/unix/sysv/linux/clock_settime.c
View File

@ -31,38 +31,6 @@
# include <bits/libc-vdso.h>
#endif
#if __ASSUME_POSIX_CPU_TIMERS <= 0 && defined __NR_clock_settime
extern int __libc_missing_posix_cpu_timers attribute_hidden;
static int
maybe_syscall_settime_cpu (clockid_t clock_id, const struct timespec *tp)
{
int e = EINVAL;
if (!__libc_missing_posix_cpu_timers)
{
INTERNAL_SYSCALL_DECL (err);
int r = INTERNAL_SYSCALL (clock_settime, err, 2, clock_id, tp);
if (!INTERNAL_SYSCALL_ERROR_P (r, err))
return 0;
e = INTERNAL_SYSCALL_ERRNO (r, err);
if (e == EINVAL)
{
/* Check whether the kernel supports CPU clocks at all.
If not, record it for the future. */
r = INTERNAL_VSYSCALL (clock_getres, err, 2,
MAKE_PROCESS_CPUCLOCK (0, CPUCLOCK_SCHED),
NULL);
if (INTERNAL_SYSCALL_ERROR_P (r, err))
__libc_missing_posix_cpu_timers = 1;
}
}
return e;
}
#endif
/* The REALTIME clock is definitely supported in the kernel. */
#define SYSDEP_SETTIME \
@ -70,27 +38,11 @@ maybe_syscall_settime_cpu (clockid_t clock_id, const struct timespec *tp)
retval = INLINE_SYSCALL (clock_settime, 2, clock_id, tp); \
break
#ifdef __NR_clock_settime
/* We handled the REALTIME clock here. */
# define HANDLED_REALTIME 1
#endif
#define HANDLED_REALTIME 1
#if __ASSUME_POSIX_CPU_TIMERS > 0
# define HANDLED_CPUTIME 1
# define SYSDEP_SETTIME_CPU \
#define HANDLED_CPUTIME 1
#define SYSDEP_SETTIME_CPU \
retval = INLINE_SYSCALL (clock_settime, 2, clock_id, tp)
#elif defined __NR_clock_settime
# define SYSDEP_SETTIME_CPU \
retval = maybe_syscall_settime_cpu (clock_id, tp); \
if (retval == 0) \
break; \
if (retval != EINVAL || !__libc_missing_posix_cpu_timers) \
{ \
__set_errno (retval); \
retval = -1; \
break; \
} \
do { } while (0)
#endif
#include <sysdeps/unix/clock_settime.c>