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changing something requires a write lock, not a read lock

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This commit is contained in:
Bodo Möller 2001-09-04 11:15:55 +00:00
parent 6ee2a1365e
commit 567fef894e
1 changed files with 15 additions and 7 deletions
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22
crypto/err/err.c
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@ -334,6 +334,7 @@ static LHASH *int_err_get(void)
CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
return(toret);
}
static void int_err_del(void)
{
CRYPTO_w_lock(CRYPTO_LOCK_ERR);
@ -345,6 +346,7 @@ static void int_err_del(void)
}
CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
}
static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *d)
{
ERR_STRING_DATA *p;
@ -358,6 +360,7 @@ static ERR_STRING_DATA *int_err_get_item(const ERR_STRING_DATA *d)
CRYPTO_r_unlock(CRYPTO_LOCK_ERR);
return p;
}
static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *d)
{
ERR_STRING_DATA *p;
@ -366,11 +369,12 @@ static ERR_STRING_DATA *int_err_set_item(ERR_STRING_DATA *d)
hash = ERRFN(err_get)();
if(!hash)
return NULL;
CRYPTO_r_lock(CRYPTO_LOCK_ERR);
CRYPTO_w_lock(CRYPTO_LOCK_ERR);
p = (ERR_STRING_DATA *)lh_insert(hash, d);
CRYPTO_r_unlock(CRYPTO_LOCK_ERR);
CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
return p;
}
static ERR_STRING_DATA *int_err_del_item(ERR_STRING_DATA *d)
{
ERR_STRING_DATA *p;
@ -379,11 +383,12 @@ static ERR_STRING_DATA *int_err_del_item(ERR_STRING_DATA *d)
hash = ERRFN(err_get)();
if(!hash)
return NULL;
CRYPTO_r_lock(CRYPTO_LOCK_ERR);
CRYPTO_w_lock(CRYPTO_LOCK_ERR);
p = (ERR_STRING_DATA *)lh_delete(hash, d);
CRYPTO_r_unlock(CRYPTO_LOCK_ERR);
CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
return p;
}
static LHASH *int_thread_get(void)
{
LHASH *toret = NULL;
@ -398,6 +403,7 @@ static LHASH *int_thread_get(void)
CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
return(toret);
}
static ERR_STATE *int_thread_get_item(const ERR_STATE *d)
{
ERR_STATE *p;
@ -411,6 +417,7 @@ static ERR_STATE *int_thread_get_item(const ERR_STATE *d)
CRYPTO_r_unlock(CRYPTO_LOCK_ERR);
return p;
}
static ERR_STATE *int_thread_set_item(ERR_STATE *d)
{
ERR_STATE *p;
@ -419,11 +426,12 @@ static ERR_STATE *int_thread_set_item(ERR_STATE *d)
hash = ERRFN(thread_get)();
if(!hash)
return NULL;
CRYPTO_r_lock(CRYPTO_LOCK_ERR);
CRYPTO_w_lock(CRYPTO_LOCK_ERR);
p = (ERR_STATE *)lh_insert(hash, d);
CRYPTO_r_unlock(CRYPTO_LOCK_ERR);
CRYPTO_w_unlock(CRYPTO_LOCK_ERR);
return p;
}
static void int_thread_del_item(const ERR_STATE *d)
{
ERR_STATE *p;
@ -445,6 +453,7 @@ static void int_thread_del_item(const ERR_STATE *d)
if(p)
ERR_STATE_free(p);
}
static int int_err_get_next_lib(void)
{
int toret;
@ -971,4 +980,3 @@ void ERR_add_error_data(int num, ...)
va_end(args);
}