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sched/clock: Make g_system_ticks a static variable

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Make g_system_ticks a static variable, as it is only accessed by
    clock_get_sched_ticks().

    This change improves code modularity and enhances safety, since
    clock_get_sched_ticks() performs proper synchronization when
    reading g_system_ticks.

Signed-off-by: Chengdong Wang wangchengdong@lixiang.com
This commit is contained in:
wangchengdong
2025-11-13 17:26:31 +08:00
committed by Alan C. Assis
parent 1b58dd92d8
commit 1b58a449c5
4 changed files with 6 additions and 22 deletions
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sched/clock/clock.h
-8
View File
@@ -61,14 +61,6 @@
* Public Data
****************************************************************************/
#if !defined(__HAVE_KERNEL_GLOBALS)
/* The system clock exists (CONFIG_SCHED_TICKLESS), but it not prototyped
* globally in include/nuttx/clock.h.
*/
extern volatile clock_t g_system_ticks;
#endif
#ifndef CONFIG_CLOCK_TIMEKEEPING
extern struct timespec g_basetime;
extern spinlock_t g_basetime_lock;
sched/clock/clock_initialize.c
-2
View File
@@ -51,8 +51,6 @@
* Public Data
****************************************************************************/
volatile clock_t g_system_ticks = INITIAL_SYSTEM_TIMER_TICKS;
#ifndef CONFIG_CLOCK_TIMEKEEPING
struct timespec g_basetime;
spinlock_t g_basetime_lock = SP_UNLOCKED;
sched/clock/clock_sched_ticks.c
+6
View File
@@ -34,6 +34,12 @@
#include "clock/clock.h"
/****************************************************************************
* Private Data
****************************************************************************/
static volatile clock_t g_system_ticks = INITIAL_SYSTEM_TIMER_TICKS;
/****************************************************************************
* Public Functions
****************************************************************************/