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authorGary Lin <glin@suse.com>2017-04-06 15:54:00 +0800
committerPeter Jones <pjones@redhat.com>2017-04-11 10:42:18 -0400
commitd064bd7eef201f26cb926450a76260b5187ac689 (patch)
tree31e32f58f8c5b17b57e674d40a585d119857d21b /Cryptlib/Include/internal/thread_once.h
parent9bc86cfd6f9387f0da9d5c0102b6aa5627e91c91 (diff)
downloadefi-boot-shim-d064bd7eef201f26cb926450a76260b5187ac689.tar.gz
efi-boot-shim-d064bd7eef201f26cb926450a76260b5187ac689.zip
Cryptlib: Update to the latest edk2 commit
- Update to edk2 commit 7c410b3d4180087020c7734bf67cdc4ad9fdb136 CryptoPkg/BaseCryptLib: Adding NULL checking in time() wrapper. - Update headers in Cryptlib/Include/openssl/ to 1.1.0e + Also copy the openssl internal headers Signed-off-by: Gary Lin <glin@suse.com>
Diffstat (limited to 'Cryptlib/Include/internal/thread_once.h')
-rw-r--r--Cryptlib/Include/internal/thread_once.h45
1 files changed, 45 insertions, 0 deletions
diff --git a/Cryptlib/Include/internal/thread_once.h b/Cryptlib/Include/internal/thread_once.h
new file mode 100644
index 00000000..22424435
--- /dev/null
+++ b/Cryptlib/Include/internal/thread_once.h
@@ -0,0 +1,45 @@
+/*
+ * Copyright 1995-2016 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>
+
+#define DEFINE_RUN_ONCE(init) \
+ static int init(void); \
+ int init##_ossl_ret_ = 0; \
+ void init##_ossl_(void) \
+ { \
+ init##_ossl_ret_ = init(); \
+ } \
+ static int init(void)
+#define DECLARE_RUN_ONCE(init) \
+ extern int init##_ossl_ret_; \
+ void init##_ossl_(void);
+
+#define DEFINE_RUN_ONCE_STATIC(init) \
+ static int init(void); \
+ static int init##_ossl_ret_ = 0; \
+ static void init##_ossl_(void) \
+ { \
+ init##_ossl_ret_ = init(); \
+ } \
+ static int init(void)
+
+/*
+ * RUN_ONCE - use CRYPTO_THREAD_run_once, and check if the init succeeded
+ * @once: pointer to static object of type CRYPTO_ONCE
+ * @init: function name that was previously given to DEFINE_RUN_ONCE,
+ * DEFINE_RUN_ONCE_STATIC or DECLARE_RUN_ONCE. This function
+ * must return 1 for success or 0 for failure.
+ *
+ * The return value is 1 on success (*) or 0 in case of error.
+ *
+ * (*) by convention, since the init function must return 1 on success.
+ */
+#define RUN_ONCE(once, init) \
+ (CRYPTO_THREAD_run_once(once, init##_ossl_) ? init##_ossl_ret_ : 0)