diff options
author | Matt Caswell <matt@openssl.org> | 2016-03-08 16:44:34 +0000 |
---|---|---|
committer | Richard Levitte <levitte@openssl.org> | 2016-03-09 11:04:01 +0100 |
commit | 40e068d50687edbf9b6d6633563151ab59369747 (patch) | |
tree | 9e61b94dcf9cde655886a21123f8a13defef2a7b /crypto/engine/eng_list.c | |
parent | 660e7588ed5305554215f3c1174a2a8e0b3b9485 (diff) |
Move engine library over to using the new thread API
Remove usage of CRYPTO_LOCK_ENGINE
Reviewed-by: Richard Levitte <levitte@openssl.org>
Diffstat (limited to 'crypto/engine/eng_list.c')
-rw-r--r-- | crypto/engine/eng_list.c | 36 |
1 files changed, 20 insertions, 16 deletions
diff --git a/crypto/engine/eng_list.c b/crypto/engine/eng_list.c index 8ca1f80041..4883d14fff 100644 --- a/crypto/engine/eng_list.c +++ b/crypto/engine/eng_list.c @@ -96,7 +96,7 @@ static void engine_list_cleanup(void) /* * These static functions starting with a lower case "engine_" always take - * place when CRYPTO_LOCK_ENGINE has been locked up. + * place when global_engine_lock has been locked up. */ static int engine_list_add(ENGINE *e) { @@ -184,13 +184,14 @@ ENGINE *ENGINE_get_first(void) { ENGINE *ret; - CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); + CRYPTO_THREAD_run_once(&engine_lock_init, do_engine_lock_init); + CRYPTO_THREAD_write_lock(global_engine_lock); ret = engine_list_head; if (ret) { ret->struct_ref++; engine_ref_debug(ret, 0, 1); } - CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); + CRYPTO_THREAD_unlock(global_engine_lock); return ret; } @@ -198,13 +199,14 @@ ENGINE *ENGINE_get_last(void) { ENGINE *ret; - CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); + CRYPTO_THREAD_run_once(&engine_lock_init, do_engine_lock_init); + CRYPTO_THREAD_write_lock(global_engine_lock); ret = engine_list_tail; if (ret) { ret->struct_ref++; engine_ref_debug(ret, 0, 1); } - CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); + CRYPTO_THREAD_unlock(global_engine_lock); return ret; } @@ -216,14 +218,14 @@ ENGINE *ENGINE_get_next(ENGINE *e) ENGINEerr(ENGINE_F_ENGINE_GET_NEXT, ERR_R_PASSED_NULL_PARAMETER); return 0; } - CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); + CRYPTO_THREAD_write_lock(global_engine_lock); ret = e->next; if (ret) { /* Return a valid structural reference to the next ENGINE */ ret->struct_ref++; engine_ref_debug(ret, 0, 1); } - CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); + CRYPTO_THREAD_unlock(global_engine_lock); /* Release the structural reference to the previous ENGINE */ ENGINE_free(e); return ret; @@ -236,14 +238,14 @@ ENGINE *ENGINE_get_prev(ENGINE *e) ENGINEerr(ENGINE_F_ENGINE_GET_PREV, ERR_R_PASSED_NULL_PARAMETER); return 0; } - CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); + CRYPTO_THREAD_write_lock(global_engine_lock); ret = e->prev; if (ret) { /* Return a valid structural reference to the next ENGINE */ ret->struct_ref++; engine_ref_debug(ret, 0, 1); } - CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); + CRYPTO_THREAD_unlock(global_engine_lock); /* Release the structural reference to the previous ENGINE */ ENGINE_free(e); return ret; @@ -261,12 +263,12 @@ int ENGINE_add(ENGINE *e) ENGINEerr(ENGINE_F_ENGINE_ADD, ENGINE_R_ID_OR_NAME_MISSING); return 0; } - CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); + CRYPTO_THREAD_write_lock(global_engine_lock); if (!engine_list_add(e)) { ENGINEerr(ENGINE_F_ENGINE_ADD, ENGINE_R_INTERNAL_LIST_ERROR); to_return = 0; } - CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); + CRYPTO_THREAD_unlock(global_engine_lock); return to_return; } @@ -278,12 +280,12 @@ int ENGINE_remove(ENGINE *e) ENGINEerr(ENGINE_F_ENGINE_REMOVE, ERR_R_PASSED_NULL_PARAMETER); return 0; } - CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); + CRYPTO_THREAD_write_lock(global_engine_lock); if (!engine_list_remove(e)) { ENGINEerr(ENGINE_F_ENGINE_REMOVE, ENGINE_R_INTERNAL_LIST_ERROR); to_return = 0; } - CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); + CRYPTO_THREAD_unlock(global_engine_lock); return to_return; } @@ -325,7 +327,8 @@ ENGINE *ENGINE_by_id(const char *id) ENGINEerr(ENGINE_F_ENGINE_BY_ID, ERR_R_PASSED_NULL_PARAMETER); return NULL; } - CRYPTO_w_lock(CRYPTO_LOCK_ENGINE); + CRYPTO_THREAD_run_once(&engine_lock_init, do_engine_lock_init); + CRYPTO_THREAD_write_lock(global_engine_lock); iterator = engine_list_head; while (iterator && (strcmp(id, iterator->id) != 0)) iterator = iterator->next; @@ -348,7 +351,7 @@ ENGINE *ENGINE_by_id(const char *id) engine_ref_debug(iterator, 0, 1); } } - CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE); + CRYPTO_THREAD_unlock(global_engine_lock); if (iterator != NULL) return iterator; /* @@ -377,10 +380,11 @@ ENGINE *ENGINE_by_id(const char *id) int ENGINE_up_ref(ENGINE *e) { + int i; if (e == NULL) { ENGINEerr(ENGINE_F_ENGINE_UP_REF, ERR_R_PASSED_NULL_PARAMETER); return 0; } - CRYPTO_add(&e->struct_ref, 1, CRYPTO_LOCK_ENGINE); + CRYPTO_atomic_add(&e->struct_ref, 1, &i, global_engine_lock); return 1; } |