GitHub-Mirror/Star64_linux
2
0
Fork 0
mirror of https://github.com/Fishwaldo/Star64_linux.git synced 2025-06-19 13:11:14 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

[PATCH] hrtimer: make clockid_t arguments const

Browse source 
add const arguments to the posix-timers.h API functions

Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
This commit is contained in:
Thomas Gleixner 2006-01-09 20:52:27 -08:00 • committed by Linus Torvalds
parent 57a558757b
commit a924b04dde
3 changed files with 54 additions and 46 deletions
Download patch file Download diff file Expand all files Collapse all files

40
kernel/posix-cpu-timers.c
View file

@ -7,7 +7,7 @@
#include <asm/uaccess.h>
#include <linux/errno.h>
static int check_clock(clockid_t which_clock)
static int check_clock(const clockid_t which_clock)
{
int error = 0;
struct task_struct *p;
@ -31,7 +31,7 @@ static int check_clock(clockid_t which_clock)
}
static inline union cpu_time_count
timespec_to_sample(clockid_t which_clock, const struct timespec *tp)
timespec_to_sample(const clockid_t which_clock, const struct timespec *tp)
{
union cpu_time_count ret;
ret.sched = 0; /* high half always zero when .cpu used */
@ -43,7 +43,7 @@ timespec_to_sample(clockid_t which_clock, const struct timespec *tp)
return ret;
}
static void sample_to_timespec(clockid_t which_clock,
static void sample_to_timespec(const clockid_t which_clock,
union cpu_time_count cpu,
struct timespec *tp)
{
@ -55,7 +55,7 @@ static void sample_to_timespec(clockid_t which_clock,
}
}
static inline int cpu_time_before(clockid_t which_clock,
static inline int cpu_time_before(const clockid_t which_clock,
union cpu_time_count now,
union cpu_time_count then)
{
@ -65,7 +65,7 @@ static inline int cpu_time_before(clockid_t which_clock,
return cputime_lt(now.cpu, then.cpu);
}
}
static inline void cpu_time_add(clockid_t which_clock,
static inline void cpu_time_add(const clockid_t which_clock,
union cpu_time_count *acc,
union cpu_time_count val)
{
@ -75,7 +75,7 @@ static inline void cpu_time_add(clockid_t which_clock,
acc->cpu = cputime_add(acc->cpu, val.cpu);
}
}
static inline union cpu_time_count cpu_time_sub(clockid_t which_clock,
static inline union cpu_time_count cpu_time_sub(const clockid_t which_clock,
union cpu_time_count a,
union cpu_time_count b)
{
@ -151,7 +151,7 @@ static inline unsigned long long sched_ns(struct task_struct *p)
return (p == current) ? current_sched_time(p) : p->sched_time;
}
int posix_cpu_clock_getres(clockid_t which_clock, struct timespec *tp)
int posix_cpu_clock_getres(const clockid_t which_clock, struct timespec *tp)
{
int error = check_clock(which_clock);
if (!error) {
@ -169,7 +169,7 @@ int posix_cpu_clock_getres(clockid_t which_clock, struct timespec *tp)
return error;
}
int posix_cpu_clock_set(clockid_t which_clock, const struct timespec *tp)
int posix_cpu_clock_set(const clockid_t which_clock, const struct timespec *tp)
{
/*
* You can never reset a CPU clock, but we check for other errors
@ -186,7 +186,7 @@ int posix_cpu_clock_set(clockid_t which_clock, const struct timespec *tp)
/*
* Sample a per-thread clock for the given task.
*/
static int cpu_clock_sample(clockid_t which_clock, struct task_struct *p,
static int cpu_clock_sample(const clockid_t which_clock, struct task_struct *p,
union cpu_time_count *cpu)
{
switch (CPUCLOCK_WHICH(which_clock)) {
@ -248,7 +248,7 @@ static int cpu_clock_sample_group_locked(unsigned int clock_idx,
* Sample a process (thread group) clock for the given group_leader task.
* Must be called with tasklist_lock held for reading.
*/
static int cpu_clock_sample_group(clockid_t which_clock,
static int cpu_clock_sample_group(const clockid_t which_clock,
struct task_struct *p,
union cpu_time_count *cpu)
{
@ -262,7 +262,7 @@ static int cpu_clock_sample_group(clockid_t which_clock,
}
int posix_cpu_clock_get(clockid_t which_clock, struct timespec *tp)
int posix_cpu_clock_get(const clockid_t which_clock, struct timespec *tp)
{
const pid_t pid = CPUCLOCK_PID(which_clock);
int error = -EINVAL;
@ -1399,7 +1399,7 @@ void set_process_cpu_timer(struct task_struct *tsk, unsigned int clock_idx,
static long posix_cpu_clock_nanosleep_restart(struct restart_block *);
int posix_cpu_nsleep(clockid_t which_clock, int flags,
int posix_cpu_nsleep(const clockid_t which_clock, int flags,
struct timespec *rqtp)
{
struct restart_block *restart_block =
@ -1503,11 +1503,13 @@ posix_cpu_clock_nanosleep_restart(struct restart_block *restart_block)
#define PROCESS_CLOCK MAKE_PROCESS_CPUCLOCK(0, CPUCLOCK_SCHED)
#define THREAD_CLOCK MAKE_THREAD_CPUCLOCK(0, CPUCLOCK_SCHED)
static int process_cpu_clock_getres(clockid_t which_clock, struct timespec *tp)
static int process_cpu_clock_getres(const clockid_t which_clock,
struct timespec *tp)
{
return posix_cpu_clock_getres(PROCESS_CLOCK, tp);
}
static int process_cpu_clock_get(clockid_t which_clock, struct timespec *tp)
static int process_cpu_clock_get(const clockid_t which_clock,
struct timespec *tp)
{
return posix_cpu_clock_get(PROCESS_CLOCK, tp);
}
@ -1516,16 +1518,18 @@ static int process_cpu_timer_create(struct k_itimer *timer)
timer->it_clock = PROCESS_CLOCK;
return posix_cpu_timer_create(timer);
}
static int process_cpu_nsleep(clockid_t which_clock, int flags,
static int process_cpu_nsleep(const clockid_t which_clock, int flags,
struct timespec *rqtp)
{
return posix_cpu_nsleep(PROCESS_CLOCK, flags, rqtp);
}
static int thread_cpu_clock_getres(clockid_t which_clock, struct timespec *tp)
static int thread_cpu_clock_getres(const clockid_t which_clock,
struct timespec *tp)
{
return posix_cpu_clock_getres(THREAD_CLOCK, tp);
}
static int thread_cpu_clock_get(clockid_t which_clock, struct timespec *tp)
static int thread_cpu_clock_get(const clockid_t which_clock,
struct timespec *tp)
{
return posix_cpu_clock_get(THREAD_CLOCK, tp);
}
@ -1534,7 +1538,7 @@ static int thread_cpu_timer_create(struct k_itimer *timer)
timer->it_clock = THREAD_CLOCK;
return posix_cpu_timer_create(timer);
}
static int thread_cpu_nsleep(clockid_t which_clock, int flags,
static int thread_cpu_nsleep(const clockid_t which_clock, int flags,
struct timespec *rqtp)
{
return -EINVAL;