projects / efi-boot-shim.git / blame
| Commit | Line | Data |
|---|---|---|
| 7bf7a6d0 MTL |
1 | /* |
| 2 | * Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved. | |
| 3 | * | |
| 4 | * Licensed under the OpenSSL license (the "License"). You may not use | |
| 5 | * this file except in compliance with the License. You can obtain a copy | |
| 6 | * in the file LICENSE in the source distribution or at | |
| 7 | * https://www.openssl.org/source/license.html | |
| 8 | */ | |
| 9 | ||
| 10 | #ifndef OPENSSL_ASYNC_ARCH_ASYNC_POSIX_H | |
| 11 | #define OPENSSL_ASYNC_ARCH_ASYNC_POSIX_H | |
| 12 | #include <openssl/e_os2.h> | |
| 13 | ||
| 14 | #if (defined(OPENSSL_SYS_UNIX) || defined(OPENSSL_SYS_CYGWIN)) \ | |
| 15 | && defined(OPENSSL_THREADS) && !defined(OPENSSL_NO_ASYNC) \ | |
| 16 | && !defined(__ANDROID__) && !defined(__OpenBSD__) | |
| 17 | ||
| 18 | # include <unistd.h> | |
| 19 | ||
| 20 | # if _POSIX_VERSION >= 200112L | |
| 21 | ||
| 22 | # include <pthread.h> | |
| 23 | ||
| 24 | # define ASYNC_POSIX | |
| 25 | # define ASYNC_ARCH | |
| 26 | ||
| 27 | # include <ucontext.h> | |
| 28 | # include <setjmp.h> | |
| 29 | # include "e_os.h" | |
| 30 | ||
| 31 | typedef struct async_fibre_st { | |
| 32 | ucontext_t fibre; | |
| 33 | jmp_buf env; | |
| 34 | int env_init; | |
| 35 | } async_fibre; | |
| 36 | ||
| 37 | static ossl_inline int async_fibre_swapcontext(async_fibre *o, async_fibre *n, int r) | |
| 38 | { | |
| 39 | o->env_init = 1; | |
| 40 | ||
| 41 | if (!r || !_setjmp(o->env)) { | |
| 42 | if (n->env_init) | |
| 43 | _longjmp(n->env, 1); | |
| 44 | else | |
| 45 | setcontext(&n->fibre); | |
| 46 | } | |
| 47 | ||
| 48 | return 1; | |
| 49 | } | |
| 50 | ||
| 51 | # define async_fibre_init_dispatcher(d) | |
| 52 | ||
| 53 | int async_fibre_makecontext(async_fibre *fibre); | |
| 54 | void async_fibre_free(async_fibre *fibre); | |
| 55 | ||
| 56 | # endif | |
| 57 | #endif | |
| 58 | #endif /* OPENSSL_ASYNC_ARCH_ASYNC_POSIX_H */ |