1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 | /* * Copyright 2016-2019 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the OpenSSL license (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ #include <openssl/crypto.h> #include "internal/cryptlib.h" #if !defined(OPENSSL_THREADS) || defined(CRYPTO_TDEBUG) # if defined(OPENSSL_SYS_UNIX) # include <sys/types.h> # include <unistd.h> # endif CRYPTO_RWLOCK *CRYPTO_THREAD_lock_new(void) { CRYPTO_RWLOCK *lock; if ((lock = OPENSSL_zalloc(sizeof(unsigned int))) == NULL) { /* Don't set error, to avoid recursion blowup. */ return NULL; } *(unsigned int *)lock = 1; return lock; } int CRYPTO_THREAD_read_lock(CRYPTO_RWLOCK *lock) { if (!ossl_assert(*(unsigned int *)lock == 1)) return 0; return 1; } int CRYPTO_THREAD_write_lock(CRYPTO_RWLOCK *lock) { if (!ossl_assert(*(unsigned int *)lock == 1)) return 0; return 1; } int CRYPTO_THREAD_unlock(CRYPTO_RWLOCK *lock) { if (!ossl_assert(*(unsigned int *)lock == 1)) return 0; return 1; } void CRYPTO_THREAD_lock_free(CRYPTO_RWLOCK *lock) { if (lock == NULL) return; *(unsigned int *)lock = 0; OPENSSL_free(lock); return; } int CRYPTO_THREAD_run_once(CRYPTO_ONCE *once, void (*init)(void)) { if (*once != 0) return 1; init(); *once = 1; return 1; } #define OPENSSL_CRYPTO_THREAD_LOCAL_KEY_MAX 256 static void *thread_local_storage[OPENSSL_CRYPTO_THREAD_LOCAL_KEY_MAX]; int CRYPTO_THREAD_init_local(CRYPTO_THREAD_LOCAL *key, void (*cleanup)(void *)) { static unsigned int thread_local_key = 0; if (thread_local_key >= OPENSSL_CRYPTO_THREAD_LOCAL_KEY_MAX) return 0; *key = thread_local_key++; thread_local_storage[*key] = NULL; return 1; } void *CRYPTO_THREAD_get_local(CRYPTO_THREAD_LOCAL *key) { if (*key >= OPENSSL_CRYPTO_THREAD_LOCAL_KEY_MAX) return NULL; return thread_local_storage[*key]; } int CRYPTO_THREAD_set_local(CRYPTO_THREAD_LOCAL *key, void *val) { if (*key >= OPENSSL_CRYPTO_THREAD_LOCAL_KEY_MAX) return 0; thread_local_storage[*key] = val; return 1; } int CRYPTO_THREAD_cleanup_local(CRYPTO_THREAD_LOCAL *key) { *key = OPENSSL_CRYPTO_THREAD_LOCAL_KEY_MAX + 1; return 1; } CRYPTO_THREAD_ID CRYPTO_THREAD_get_current_id(void) { return 0; } int CRYPTO_THREAD_compare_id(CRYPTO_THREAD_ID a, CRYPTO_THREAD_ID b) { return (a == b); } int CRYPTO_atomic_add(int *val, int amount, int *ret, CRYPTO_RWLOCK *lock) { *val += amount; *ret = *val; return 1; } int openssl_init_fork_handlers(void) { return 0; } int openssl_get_fork_id(void) { # if defined(OPENSSL_SYS_UNIX) return getpid(); # else return 0; # endif } #endif |