Mirror of BoringSSL (grpc依赖)
https://boringssl.googlesource.com/boringssl
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
49 lines
2.1 KiB
49 lines
2.1 KiB
/* Copyright (c) 2020, Google Inc. |
|
* |
|
* Permission to use, copy, modify, and/or distribute this software for any |
|
* purpose with or without fee is hereby granted, provided that the above |
|
* copyright notice and this permission notice appear in all copies. |
|
* |
|
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES |
|
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF |
|
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY |
|
* SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES |
|
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION |
|
* OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN |
|
* CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. */ |
|
|
|
#ifndef OPENSSL_HEADER_CRYPTO_FORK_DETECT_H |
|
#define OPENSSL_HEADER_CRYPTO_FORK_DETECT_H |
|
|
|
#include <openssl/base.h> |
|
|
|
#if defined(__cplusplus) |
|
extern "C" { |
|
#endif |
|
|
|
|
|
// crypto_get_fork_generation returns the fork generation number for the current |
|
// process, or zero if not supported on the platform. The fork generation number |
|
// is a non-zero, strictly-monotonic counter with the property that, if queried |
|
// in an address space and then again in a subsequently forked copy, the forked |
|
// address space will observe a greater value. |
|
// |
|
// This function may be used to clear cached values across a fork. When |
|
// initializing a cache, record the fork generation. Before using the cache, |
|
// check if the fork generation has changed. If so, drop the cache and update |
|
// the save fork generation. Note this logic transparently handles platforms |
|
// which always return zero. |
|
// |
|
// This is not reliably supported on all platforms which implement |fork|, so it |
|
// should only be used as a hardening measure. |
|
OPENSSL_EXPORT uint64_t CRYPTO_get_fork_generation(void); |
|
|
|
// CRYPTO_fork_detect_ignore_madv_wipeonfork_for_testing is an internal detail |
|
// used for testing purposes. |
|
OPENSSL_EXPORT void CRYPTO_fork_detect_ignore_madv_wipeonfork_for_testing(void); |
|
|
|
#if defined(__cplusplus) |
|
} // extern C |
|
#endif |
|
|
|
#endif // OPENSSL_HEADER_CRYPTO_FORK_DETECT_H
|
|
|