From 7bf7a6d0852382bb645119b18df3ff461aaba247 Mon Sep 17 00:00:00 2001 From: Mathieu Trudel-Lapierre Date: Tue, 21 Aug 2018 14:22:44 -0400 Subject: New upstream version 15+1533136590.3beb971 --- Cryptlib/OpenSSL/crypto/async/arch/async_posix.c | 58 ++++++++++++++++++++++++ 1 file changed, 58 insertions(+) create mode 100644 Cryptlib/OpenSSL/crypto/async/arch/async_posix.c (limited to 'Cryptlib/OpenSSL/crypto/async/arch/async_posix.c') diff --git a/Cryptlib/OpenSSL/crypto/async/arch/async_posix.c b/Cryptlib/OpenSSL/crypto/async/arch/async_posix.c new file mode 100644 index 00000000..02c342d3 --- /dev/null +++ b/Cryptlib/OpenSSL/crypto/async/arch/async_posix.c @@ -0,0 +1,58 @@ +/* + * Copyright 2015-2016 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 + */ + +/* This must be the first #include file */ +#include "../async_locl.h" + +#ifdef ASYNC_POSIX + +# include +# include + +#define STACKSIZE 32768 + +int ASYNC_is_capable(void) +{ + ucontext_t ctx; + + /* + * Some platforms provide getcontext() but it does not work (notably + * MacOSX PPC64). Check for a working getcontext(); + */ + return getcontext(&ctx) == 0; +} + +void async_local_cleanup(void) +{ +} + +int async_fibre_makecontext(async_fibre *fibre) +{ + fibre->env_init = 0; + if (getcontext(&fibre->fibre) == 0) { + fibre->fibre.uc_stack.ss_sp = OPENSSL_malloc(STACKSIZE); + if (fibre->fibre.uc_stack.ss_sp != NULL) { + fibre->fibre.uc_stack.ss_size = STACKSIZE; + fibre->fibre.uc_link = NULL; + makecontext(&fibre->fibre, async_start_func, 0); + return 1; + } + } else { + fibre->fibre.uc_stack.ss_sp = NULL; + } + return 0; +} + +void async_fibre_free(async_fibre *fibre) +{ + OPENSSL_free(fibre->fibre.uc_stack.ss_sp); + fibre->fibre.uc_stack.ss_sp = NULL; +} + +#endif -- cgit v1.2.3