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mscp: maintain mscp_thread structs in list

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Instead of m->threads array, struct mscp_thread instanes are
maintained in m->thread_list. This enables stable counter access
via mscp_get_stats().
This commit is contained in:
Ryo Nakamura
2023-05-07 21:05:05 +09:00
parent 1d3b3a2261
commit 24e86f58d8
7 changed files with 170 additions and 77 deletions
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58
src/atomic.h
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@@ -20,6 +20,8 @@ static inline refcnt refcnt_dec(refcnt *cnt)
}
/* mutex */
typedef pthread_mutex_t lock;
static inline void lock_init(lock *l)
@@ -44,12 +46,58 @@ static inline void lock_release_via_cleanup(void *l)
lock_release(l);
}
#define LOCK_ACQUIRE_THREAD(l) \
lock_acquire(l); \
pthread_cleanup_push(lock_release_via_cleanup, l)
#define LOCK_ACQUIRE(l) \
lock_acquire(l); \
pthread_cleanup_push(lock_release_via_cleanup, l)
#define LOCK_RELEASE_THREAD() \
#define LOCK_RELEASE() \
pthread_cleanup_pop(1)
/* read/write lock */
typedef pthread_rwlock_t rwlock;
static inline void rwlock_init(rwlock *rw)
{
pthread_rwlock_init(rw, NULL);
}
static inline void rwlock_read_acquire(rwlock *rw)
{
int ret = pthread_rwlock_rdlock(rw);
assert(ret == 0);
}
static inline void rwlock_write_acquire(rwlock *rw)
{
int ret = pthread_rwlock_wrlock(rw);
assert(ret == 0);
}
static inline void rwlock_release(rwlock *rw)
{
int ret = pthread_rwlock_unlock(rw);
assert(ret == 0);
}
static inline void rwlock_release_via_cleanup(void *rw)
{
rwlock_release(rw);
}
#define RWLOCK_READ_ACQUIRE(rw) \
rwlock_read_acquire(rw); \
pthread_cleanup_push(rwlock_release_via_cleanup, rw)
#define RWLOCK_WRITE_ACQUIRE(rw) \
rwlock_write_acquire(rw); \
pthread_cleanup_push(rwlock_release_via_cleanup, rw)
#define RWLOCK_RELEASE() \
pthread_cleanup_pop(1)
#endif /* _ATOMIC_H_ */