Commit bab0aae9 authored by Thomas Gleixner's avatar Thomas Gleixner

posix-timers: Move posix-timer internals to core

None of these declarations is required outside of kernel/time. Move them to
an internal header.
Signed-off-by: default avatarThomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: John Stultz <john.stultz@linaro.org>
Cc: Christoph Hellwig <hch@lst.de>
Link: http://lkml.kernel.org/r/20170530211656.394803853@linutronix.de
parent 03676b41
...@@ -100,36 +100,6 @@ struct k_itimer { ...@@ -100,36 +100,6 @@ struct k_itimer {
} it; } it;
}; };
struct k_clock {
int (*clock_getres) (const clockid_t which_clock, struct timespec64 *tp);
int (*clock_set) (const clockid_t which_clock,
const struct timespec64 *tp);
int (*clock_get) (const clockid_t which_clock, struct timespec64 *tp);
int (*clock_adj) (const clockid_t which_clock, struct timex *tx);
int (*timer_create) (struct k_itimer *timer);
int (*nsleep) (const clockid_t which_clock, int flags,
struct timespec64 *, struct timespec __user *);
long (*nsleep_restart) (struct restart_block *restart_block);
int (*timer_set) (struct k_itimer *timr, int flags,
struct itimerspec64 *new_setting,
struct itimerspec64 *old_setting);
int (*timer_del) (struct k_itimer *timr);
#define TIMER_RETRY 1
void (*timer_get) (struct k_itimer *timr,
struct itimerspec64 *cur_setting);
};
extern const struct k_clock clock_posix_cpu;
extern const struct k_clock clock_posix_dynamic;
extern const struct k_clock clock_process;
extern const struct k_clock clock_thread;
extern const struct k_clock alarm_clock;
/* function to call to trigger timer event */
int posix_timer_event(struct k_itimer *timr, int si_private);
void posix_cpu_timer_schedule(struct k_itimer *timer);
void run_posix_cpu_timers(struct task_struct *task); void run_posix_cpu_timers(struct task_struct *task);
void posix_cpu_timers_exit(struct task_struct *task); void posix_cpu_timers_exit(struct task_struct *task);
void posix_cpu_timers_exit_group(struct task_struct *task); void posix_cpu_timers_exit_group(struct task_struct *task);
......
...@@ -28,6 +28,8 @@ ...@@ -28,6 +28,8 @@
#include <linux/workqueue.h> #include <linux/workqueue.h>
#include <linux/freezer.h> #include <linux/freezer.h>
#include "posix-timers.h"
#define CREATE_TRACE_POINTS #define CREATE_TRACE_POINTS
#include <trace/events/alarmtimer.h> #include <trace/events/alarmtimer.h>
......
...@@ -25,6 +25,8 @@ ...@@ -25,6 +25,8 @@
#include <linux/syscalls.h> #include <linux/syscalls.h>
#include <linux/uaccess.h> #include <linux/uaccess.h>
#include "posix-timers.h"
static void delete_clock(struct kref *kref); static void delete_clock(struct kref *kref);
/* /*
......
...@@ -13,6 +13,8 @@ ...@@ -13,6 +13,8 @@
#include <linux/tick.h> #include <linux/tick.h>
#include <linux/workqueue.h> #include <linux/workqueue.h>
#include "posix-timers.h"
/* /*
* Called after updating RLIMIT_CPU to run cpu timer and update * Called after updating RLIMIT_CPU to run cpu timer and update
* tsk->signal->cputime_expires expiration cache if necessary. Needs * tsk->signal->cputime_expires expiration cache if necessary. Needs
......
...@@ -51,6 +51,7 @@ ...@@ -51,6 +51,7 @@
#include <linux/hashtable.h> #include <linux/hashtable.h>
#include "timekeeping.h" #include "timekeeping.h"
#include "posix-timers.h"
/* /*
* Management arrays for POSIX timers. Timers are now kept in static hash table * Management arrays for POSIX timers. Timers are now kept in static hash table
......
#define TIMER_RETRY 1
struct k_clock {
int (*clock_getres) (const clockid_t which_clock, struct timespec64 *tp);
int (*clock_set) (const clockid_t which_clock,
const struct timespec64 *tp);
int (*clock_get) (const clockid_t which_clock, struct timespec64 *tp);
int (*clock_adj) (const clockid_t which_clock, struct timex *tx);
int (*timer_create) (struct k_itimer *timer);
int (*nsleep) (const clockid_t which_clock, int flags,
struct timespec64 *, struct timespec __user *);
long (*nsleep_restart) (struct restart_block *restart_block);
int (*timer_set) (struct k_itimer *timr, int flags,
struct itimerspec64 *new_setting,
struct itimerspec64 *old_setting);
int (*timer_del) (struct k_itimer *timr);
void (*timer_get) (struct k_itimer *timr,
struct itimerspec64 *cur_setting);
};
extern const struct k_clock clock_posix_cpu;
extern const struct k_clock clock_posix_dynamic;
extern const struct k_clock clock_process;
extern const struct k_clock clock_thread;
extern const struct k_clock alarm_clock;
int posix_timer_event(struct k_itimer *timr, int si_private);
void posix_cpu_timer_schedule(struct k_itimer *timer);
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