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do_migrate(): signal migrated thread before releasing runq lock

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Balazs Gerofi
2017-01-25 14:39:26 +09:00
parent b812848a0e
commit addbe91e59
4 changed files with 51 additions and 15 deletions
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9
kernel/include/waitq.h
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@@ -27,6 +27,8 @@ typedef int (*waitq_func_t)(struct waitq_entry *wait, unsigned mode,
int default_wake_function(struct waitq_entry *wait, unsigned mode, int flags,
void *key);
int locked_wake_function(struct waitq_entry *wait, unsigned mode, int flags,
void *key);
typedef struct waitq {
ihk_spinlock_t lock;
@@ -57,6 +59,13 @@ typedef struct waitq_entry {
.link = { &(name).link, &(name).link } \
}
#define DECLARE_WAITQ_ENTRY_LOCKED(name, tsk) \
waitq_entry_t name = { \
.private = tsk, \
.func = locked_wake_function, \
.link = { &(name).link, &(name).link } \
}
extern void waitq_init(waitq_t *waitq);
extern void waitq_init_entry(waitq_entry_t *entry, struct thread *proc);
extern int waitq_active(waitq_t *waitq);