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Update.
2000-08-03 Ulrich Drepper <drepper@redhat.com> * iconvdata/big5.c: Updated. Patch by Tung-Han Hsieh <thhsieh@twcpro.phys.ntu.edu.tw>.
This commit is contained in:
@@ -32,11 +32,10 @@
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static int rwlock_rd_extricate_func(void *obj, pthread_descr th)
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{
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volatile pthread_descr self = thread_self();
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pthread_rwlock_t *rwlock = obj;
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int did_remove = 0;
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__pthread_lock((struct _pthread_fastlock *) &rwlock->__rw_lock, self);
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__pthread_lock((struct _pthread_fastlock *) &rwlock->__rw_lock, NULL);
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did_remove = remove_from_queue(&rwlock->__rw_read_waiting, th);
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__pthread_unlock((struct _pthread_fastlock *) &rwlock->__rw_lock);
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@@ -45,11 +44,10 @@ static int rwlock_rd_extricate_func(void *obj, pthread_descr th)
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static int rwlock_wr_extricate_func(void *obj, pthread_descr th)
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{
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volatile pthread_descr self = thread_self();
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pthread_rwlock_t *rwlock = obj;
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int did_remove = 0;
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__pthread_lock((struct _pthread_fastlock *) &rwlock->__rw_lock, self);
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__pthread_lock((struct _pthread_fastlock *) &rwlock->__rw_lock, NULL);
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did_remove = remove_from_queue(&rwlock->__rw_write_waiting, th);
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__pthread_unlock((struct _pthread_fastlock *) &rwlock->__rw_lock);
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@@ -67,7 +65,8 @@ rwlock_is_in_list(pthread_descr self, pthread_rwlock_t *rwlock)
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{
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pthread_readlock_info *info;
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for (info = self->p_readlock_list; info != NULL; info = info->pr_next)
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for (info = THREAD_GETMEM (self, p_readlock_list); info != NULL;
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info = info->pr_next)
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{
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if (info->pr_lock == rwlock)
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return info;
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@@ -87,10 +86,10 @@ rwlock_is_in_list(pthread_descr self, pthread_rwlock_t *rwlock)
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static pthread_readlock_info *
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rwlock_add_to_list(pthread_descr self, pthread_rwlock_t *rwlock)
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{
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pthread_readlock_info *info = self->p_readlock_free;
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pthread_readlock_info *info = THREAD_GETMEM (self, p_readlock_free);
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if (info != NULL)
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self->p_readlock_free = info->pr_next;
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THREAD_SETMEM (self, p_readlock_free, info->pr_next);
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else
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info = malloc(sizeof *info);
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@@ -99,8 +98,8 @@ rwlock_add_to_list(pthread_descr self, pthread_rwlock_t *rwlock)
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info->pr_lock_count = 1;
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info->pr_lock = rwlock;
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info->pr_next = self->p_readlock_list;
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self->p_readlock_list = info;
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info->pr_next = THREAD_GETMEM (self, p_readlock_list);
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THREAD_SETMEM (self, p_readlock_list, info);
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return info;
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}
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@@ -190,11 +189,12 @@ rwlock_have_already(pthread_descr *pself, pthread_rwlock_t *rwlock,
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if (rwlock->__rw_kind == PTHREAD_RWLOCK_PREFER_WRITER_NP)
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{
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if (!self)
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self = thread_self();
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*pself = self = thread_self();
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existing = rwlock_is_in_list(self, rwlock);
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if (existing != NULL || self->p_untracked_readlock_count > 0)
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if (existing != NULL
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|| THREAD_GETMEM (self, p_untracked_readlock_count) > 0)
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have_lock_already = 1;
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else
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{
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@@ -206,7 +206,6 @@ rwlock_have_already(pthread_descr *pself, pthread_rwlock_t *rwlock,
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*pout_of_mem = out_of_mem;
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*pexisting = existing;
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*pself = self;
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return have_lock_already;
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}
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@@ -286,9 +285,9 @@ __pthread_rwlock_rdlock (pthread_rwlock_t *rwlock)
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if (have_lock_already || out_of_mem)
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{
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if (existing != NULL)
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existing->pr_lock_count++;
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++existing->pr_lock_count;
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else
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self->p_untracked_readlock_count++;
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++self->p_untracked_readlock_count;
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}
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return 0;
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@@ -357,9 +356,9 @@ __pthread_rwlock_timedrdlock (pthread_rwlock_t *rwlock,
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if (have_lock_already || out_of_mem)
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{
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if (existing != NULL)
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existing->pr_lock_count++;
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++existing->pr_lock_count;
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else
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self->p_untracked_readlock_count++;
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++self->p_untracked_readlock_count;
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}
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return 0;
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@@ -398,9 +397,9 @@ __pthread_rwlock_tryrdlock (pthread_rwlock_t *rwlock)
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if (have_lock_already || out_of_mem)
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{
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if (existing != NULL)
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existing->pr_lock_count++;
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++existing->pr_lock_count;
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else
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self->p_untracked_readlock_count++;
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++self->p_untracked_readlock_count;
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}
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}
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@@ -574,14 +573,15 @@ __pthread_rwlock_unlock (pthread_rwlock_t *rwlock)
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{
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if (victim->pr_lock_count == 0)
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{
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victim->pr_next = self->p_readlock_free;
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self->p_readlock_free = victim;
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victim->pr_next = THREAD_GETMEM (self, p_readlock_free);
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THREAD_SETMEM (self, p_readlock_free, victim);
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}
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}
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else
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{
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if (self->p_untracked_readlock_count > 0)
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self->p_untracked_readlock_count--;
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int val = THREAD_GETMEM (self, p_untracked_readlock_count);
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if (val > 0)
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THREAD_SETMEM (self, p_untracked_readlock_count, val - 1);
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}
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}
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}
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