summaryrefslogtreecommitdiff
path: root/libdde_linux26/include/linux/.svn/text-base/timer.h.svn-base
diff options
context:
space:
mode:
authorZheng Da <zhengda1936@gmail.com>2009-12-06 05:26:23 +0100
committerZheng Da <zhengda1936@gmail.com>2009-12-06 05:26:23 +0100
commit8a6d48c0542876eb3acfc0970c0ab7872db08d5f (patch)
tree496e78bc728317ea779781b92f897d16936ee231 /libdde_linux26/include/linux/.svn/text-base/timer.h.svn-base
parentb4bffcfcdf3ab7a55d664e9aa5907f88da503f38 (diff)
check in the original version of dde linux26.
Diffstat (limited to 'libdde_linux26/include/linux/.svn/text-base/timer.h.svn-base')
-rw-r--r--libdde_linux26/include/linux/.svn/text-base/timer.h.svn-base214
1 files changed, 214 insertions, 0 deletions
diff --git a/libdde_linux26/include/linux/.svn/text-base/timer.h.svn-base b/libdde_linux26/include/linux/.svn/text-base/timer.h.svn-base
new file mode 100644
index 00000000..149b5207
--- /dev/null
+++ b/libdde_linux26/include/linux/.svn/text-base/timer.h.svn-base
@@ -0,0 +1,214 @@
+#ifndef _LINUX_TIMER_H
+#define _LINUX_TIMER_H
+
+#include <linux/list.h>
+#include <linux/ktime.h>
+#include <linux/stddef.h>
+#include <linux/debugobjects.h>
+
+struct tvec_base;
+
+struct timer_list {
+ struct list_head entry;
+ unsigned long expires;
+
+ void (*function)(unsigned long);
+ unsigned long data;
+
+#ifndef DDE_LINUX
+ struct tvec_base *base;
+#else /* DDE_LINUX */
+ int ddekit_timer_id;
+#endif /* DDE_LINUX */
+#ifdef CONFIG_TIMER_STATS
+ void *start_site;
+ char start_comm[16];
+ int start_pid;
+#endif
+};
+
+extern struct tvec_base boot_tvec_bases;
+
+#ifndef DDE_LINUX
+#define TIMER_INITIALIZER(_function, _expires, _data) { \
+ .function = (_function), \
+ .expires = (_expires), \
+ .data = (_data), \
+ .base = &boot_tvec_bases, \
+ }
+#else
+#define TIMER_INITIALIZER(_function, _expires, _data) { \
+ .function = (_function), \
+ .expires = (_expires), \
+ .data = (_data), \
+ .ddekit_timer_id = -1, \
+ }
+#endif /* DDE_LINUX */
+
+#define DEFINE_TIMER(_name, _function, _expires, _data) \
+ struct timer_list _name = \
+ TIMER_INITIALIZER(_function, _expires, _data)
+
+void init_timer(struct timer_list *timer);
+void init_timer_deferrable(struct timer_list *timer);
+
+#ifdef CONFIG_DEBUG_OBJECTS_TIMERS
+extern void init_timer_on_stack(struct timer_list *timer);
+extern void destroy_timer_on_stack(struct timer_list *timer);
+#else
+static inline void destroy_timer_on_stack(struct timer_list *timer) { }
+static inline void init_timer_on_stack(struct timer_list *timer)
+{
+ init_timer(timer);
+}
+#endif
+
+static inline void setup_timer(struct timer_list * timer,
+ void (*function)(unsigned long),
+ unsigned long data)
+{
+ timer->function = function;
+ timer->data = data;
+ init_timer(timer);
+}
+
+#ifndef DDE_LINUX
+static inline void setup_timer_on_stack(struct timer_list *timer,
+ void (*function)(unsigned long),
+ unsigned long data)
+{
+ timer->function = function;
+ timer->data = data;
+ init_timer_on_stack(timer);
+}
+
+/**
+ * timer_pending - is a timer pending?
+ * @timer: the timer in question
+ *
+ * timer_pending will tell whether a given timer is currently pending,
+ * or not. Callers must ensure serialization wrt. other operations done
+ * to this timer, eg. interrupt contexts, or other CPUs on SMP.
+ *
+ * return value: 1 if the timer is pending, 0 if not.
+ */
+static inline int timer_pending(const struct timer_list * timer)
+{
+ return timer->entry.next != NULL;
+}
+#else
+int timer_pending(const struct timer_list *timer);
+#endif /* DDE_LINUX */
+
+extern void add_timer_on(struct timer_list *timer, int cpu);
+extern int del_timer(struct timer_list * timer);
+extern int __mod_timer(struct timer_list *timer, unsigned long expires);
+extern int mod_timer(struct timer_list *timer, unsigned long expires);
+
+/*
+ * The jiffies value which is added to now, when there is no timer
+ * in the timer wheel:
+ */
+#define NEXT_TIMER_MAX_DELTA ((1UL << 30) - 1)
+
+/*
+ * Return when the next timer-wheel timeout occurs (in absolute jiffies),
+ * locks the timer base:
+ */
+extern unsigned long next_timer_interrupt(void);
+/*
+ * Return when the next timer-wheel timeout occurs (in absolute jiffies),
+ * locks the timer base and does the comparison against the given
+ * jiffie.
+ */
+extern unsigned long get_next_timer_interrupt(unsigned long now);
+
+/*
+ * Timer-statistics info:
+ */
+#ifdef CONFIG_TIMER_STATS
+
+#define TIMER_STATS_FLAG_DEFERRABLE 0x1
+
+extern void init_timer_stats(void);
+
+extern void timer_stats_update_stats(void *timer, pid_t pid, void *startf,
+ void *timerf, char *comm,
+ unsigned int timer_flag);
+
+extern void __timer_stats_timer_set_start_info(struct timer_list *timer,
+ void *addr);
+
+static inline void timer_stats_timer_set_start_info(struct timer_list *timer)
+{
+ __timer_stats_timer_set_start_info(timer, __builtin_return_address(0));
+}
+
+static inline void timer_stats_timer_clear_start_info(struct timer_list *timer)
+{
+ timer->start_site = NULL;
+}
+#else
+static inline void init_timer_stats(void)
+{
+}
+
+static inline void timer_stats_timer_set_start_info(struct timer_list *timer)
+{
+}
+
+static inline void timer_stats_timer_clear_start_info(struct timer_list *timer)
+{
+}
+#endif
+
+/**
+ * add_timer - start a timer
+ * @timer: the timer to be added
+ *
+ * The kernel will do a ->function(->data) callback from the
+ * timer interrupt at the ->expires point in the future. The
+ * current time is 'jiffies'.
+ *
+ * The timer's ->expires, ->function (and if the handler uses it, ->data)
+ * fields must be set prior calling this function.
+ *
+ * Timers with an ->expires field in the past will be executed in the next
+ * timer tick.
+ */
+#ifndef DDE_LINUX
+static inline void add_timer(struct timer_list *timer)
+{
+ BUG_ON(timer_pending(timer));
+ __mod_timer(timer, timer->expires);
+}
+#else
+extern void add_timer(struct timer_list *timer);
+#endif
+
+#ifdef CONFIG_SMP
+ extern int try_to_del_timer_sync(struct timer_list *timer);
+ extern int del_timer_sync(struct timer_list *timer);
+#else
+# define try_to_del_timer_sync(t) del_timer(t)
+# define del_timer_sync(t) del_timer(t)
+#endif
+
+#define del_singleshot_timer_sync(t) del_timer_sync(t)
+
+extern void init_timers(void);
+extern void run_local_timers(void);
+struct hrtimer;
+extern enum hrtimer_restart it_real_fn(struct hrtimer *);
+
+unsigned long __round_jiffies(unsigned long j, int cpu);
+unsigned long __round_jiffies_relative(unsigned long j, int cpu);
+unsigned long round_jiffies(unsigned long j);
+unsigned long round_jiffies_relative(unsigned long j);
+
+unsigned long __round_jiffies_up(unsigned long j, int cpu);
+unsigned long __round_jiffies_up_relative(unsigned long j, int cpu);
+unsigned long round_jiffies_up(unsigned long j);
+unsigned long round_jiffies_up_relative(unsigned long j);
+
+#endif