diff options
Diffstat (limited to 'src/lib/libcrypto/crypto_lock.c')
| -rw-r--r-- | src/lib/libcrypto/crypto_lock.c | 66 |
1 files changed, 53 insertions, 13 deletions
diff --git a/src/lib/libcrypto/crypto_lock.c b/src/lib/libcrypto/crypto_lock.c index 3d615cf485..5d317a81c0 100644 --- a/src/lib/libcrypto/crypto_lock.c +++ b/src/lib/libcrypto/crypto_lock.c | |||
| @@ -1,4 +1,4 @@ | |||
| 1 | /* $OpenBSD: crypto_lock.c,v 1.1 2018/11/11 06:41:28 bcook Exp $ */ | 1 | /* $OpenBSD: crypto_lock.c,v 1.2 2018/11/28 15:51:32 jsing Exp $ */ |
| 2 | /* | 2 | /* |
| 3 | * Copyright (c) 2018 Brent Cook <bcook@openbsd.org> | 3 | * Copyright (c) 2018 Brent Cook <bcook@openbsd.org> |
| 4 | * | 4 | * |
| @@ -19,16 +19,54 @@ | |||
| 19 | 19 | ||
| 20 | #include <openssl/crypto.h> | 20 | #include <openssl/crypto.h> |
| 21 | 21 | ||
| 22 | static pthread_mutex_t locks[CRYPTO_NUM_LOCKS]; | 22 | static pthread_mutex_t locks[] = { |
| 23 | PTHREAD_MUTEX_INITIALIZER, | ||
| 24 | PTHREAD_MUTEX_INITIALIZER, | ||
| 25 | PTHREAD_MUTEX_INITIALIZER, | ||
| 26 | PTHREAD_MUTEX_INITIALIZER, | ||
| 27 | PTHREAD_MUTEX_INITIALIZER, | ||
| 28 | PTHREAD_MUTEX_INITIALIZER, | ||
| 29 | PTHREAD_MUTEX_INITIALIZER, | ||
| 30 | PTHREAD_MUTEX_INITIALIZER, | ||
| 31 | PTHREAD_MUTEX_INITIALIZER, | ||
| 32 | PTHREAD_MUTEX_INITIALIZER, | ||
| 33 | PTHREAD_MUTEX_INITIALIZER, | ||
| 34 | PTHREAD_MUTEX_INITIALIZER, | ||
| 35 | PTHREAD_MUTEX_INITIALIZER, | ||
| 36 | PTHREAD_MUTEX_INITIALIZER, | ||
| 37 | PTHREAD_MUTEX_INITIALIZER, | ||
| 38 | PTHREAD_MUTEX_INITIALIZER, | ||
| 39 | PTHREAD_MUTEX_INITIALIZER, | ||
| 40 | PTHREAD_MUTEX_INITIALIZER, | ||
| 41 | PTHREAD_MUTEX_INITIALIZER, | ||
| 42 | PTHREAD_MUTEX_INITIALIZER, | ||
| 43 | PTHREAD_MUTEX_INITIALIZER, | ||
| 44 | PTHREAD_MUTEX_INITIALIZER, | ||
| 45 | PTHREAD_MUTEX_INITIALIZER, | ||
| 46 | PTHREAD_MUTEX_INITIALIZER, | ||
| 47 | PTHREAD_MUTEX_INITIALIZER, | ||
| 48 | PTHREAD_MUTEX_INITIALIZER, | ||
| 49 | PTHREAD_MUTEX_INITIALIZER, | ||
| 50 | PTHREAD_MUTEX_INITIALIZER, | ||
| 51 | PTHREAD_MUTEX_INITIALIZER, | ||
| 52 | PTHREAD_MUTEX_INITIALIZER, | ||
| 53 | PTHREAD_MUTEX_INITIALIZER, | ||
| 54 | PTHREAD_MUTEX_INITIALIZER, | ||
| 55 | PTHREAD_MUTEX_INITIALIZER, | ||
| 56 | PTHREAD_MUTEX_INITIALIZER, | ||
| 57 | PTHREAD_MUTEX_INITIALIZER, | ||
| 58 | PTHREAD_MUTEX_INITIALIZER, | ||
| 59 | PTHREAD_MUTEX_INITIALIZER, | ||
| 60 | PTHREAD_MUTEX_INITIALIZER, | ||
| 61 | PTHREAD_MUTEX_INITIALIZER, | ||
| 62 | PTHREAD_MUTEX_INITIALIZER, | ||
| 63 | PTHREAD_MUTEX_INITIALIZER, | ||
| 64 | }; | ||
| 23 | 65 | ||
| 24 | void | 66 | #define CTASSERT(x) extern char _ctassert[(x) ? 1 : -1 ] \ |
| 25 | crypto_init_locks(void) | 67 | __attribute__((__unused__)) |
| 26 | { | ||
| 27 | int i; | ||
| 28 | 68 | ||
| 29 | for (i = 0; i < CRYPTO_NUM_LOCKS; i++) | 69 | CTASSERT((sizeof(locks) / sizeof(*locks)) == CRYPTO_NUM_LOCKS); |
| 30 | pthread_mutex_init(&locks[i], NULL); | ||
| 31 | } | ||
| 32 | 70 | ||
| 33 | void | 71 | void |
| 34 | CRYPTO_lock(int mode, int type, const char *file, int line) | 72 | CRYPTO_lock(int mode, int type, const char *file, int line) |
| @@ -37,19 +75,21 @@ CRYPTO_lock(int mode, int type, const char *file, int line) | |||
| 37 | return; | 75 | return; |
| 38 | 76 | ||
| 39 | if (mode & CRYPTO_LOCK) | 77 | if (mode & CRYPTO_LOCK) |
| 40 | pthread_mutex_lock(&locks[type]); | 78 | (void) pthread_mutex_lock(&locks[type]); |
| 41 | else | 79 | else if (mode & CRYPTO_UNLOCK) |
| 42 | pthread_mutex_unlock(&locks[type]); | 80 | (void) pthread_mutex_unlock(&locks[type]); |
| 43 | } | 81 | } |
| 44 | 82 | ||
| 45 | int | 83 | int |
| 46 | CRYPTO_add_lock(int *pointer, int amount, int type, const char *file, | 84 | CRYPTO_add_lock(int *pointer, int amount, int type, const char *file, |
| 47 | int line) | 85 | int line) |
| 48 | { | 86 | { |
| 49 | int ret = 0; | 87 | int ret; |
| 88 | |||
| 50 | CRYPTO_lock(CRYPTO_LOCK|CRYPTO_WRITE, type, file, line); | 89 | CRYPTO_lock(CRYPTO_LOCK|CRYPTO_WRITE, type, file, line); |
| 51 | ret = *pointer + amount; | 90 | ret = *pointer + amount; |
| 52 | *pointer = ret; | 91 | *pointer = ret; |
| 53 | CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_WRITE, type, file, line); | 92 | CRYPTO_lock(CRYPTO_UNLOCK|CRYPTO_WRITE, type, file, line); |
| 93 | |||
| 54 | return (ret); | 94 | return (ret); |
| 55 | } | 95 | } |