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process table traversing must be under interrupt inhibition

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add finding process table function (findthread_and_lock/process_unlock)
This commit is contained in:
Tomoki Shirasawa
2014-08-25 13:24:06 +09:00
parent d2537e0963
commit bc8b441358
4 changed files with 113 additions and 37 deletions
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3
kernel/include/process.h
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@@ -277,4 +277,7 @@ void check_need_resched(void);
void cpu_set(int cpu, cpu_set_t *cpu_set, ihk_spinlock_t *lock);
void cpu_clear(int cpu, cpu_set_t *cpu_set, ihk_spinlock_t *lock);
struct process *findthread_and_lock(int pid, int tid, void *savelock, unsigned long *irqstate);
void process_unlock(void *savelock, unsigned long irqstate);
#endif