openssl/crypto/async/arch/async_posix.h
Rich Salz 6286757141 Copyright consolidation 04/10
Reviewed-by: Richard Levitte <levitte@openssl.org>
2016-05-17 14:24:46 -04:00

56 lines
1.3 KiB
C

/*
* 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
*/
#ifndef OPENSSL_ASYNC_ARCH_ASYNC_POSIX_H
#define OPENSSL_ASYNC_ARCH_ASYNC_POSIX_H
#include <openssl/e_os2.h>
#if (defined(OPENSSL_SYS_UNIX) || defined(OPENSSL_SYS_CYGWIN)) && defined(OPENSSL_THREADS) && !defined(OPENSSL_NO_ASYNC) && !defined(__ANDROID__)
# include <unistd.h>
# if _POSIX_VERSION >= 200112L
# include <pthread.h>
# define ASYNC_POSIX
# define ASYNC_ARCH
# include <ucontext.h>
# include <setjmp.h>
# include "e_os.h"
typedef struct async_fibre_st {
ucontext_t fibre;
jmp_buf env;
int env_init;
} async_fibre;
static inline int async_fibre_swapcontext(async_fibre *o, async_fibre *n, int r)
{
o->env_init = 1;
if (!r || !_setjmp(o->env)) {
if (n->env_init)
_longjmp(n->env, 1);
else
setcontext(&n->fibre);
}
return 1;
}
# define async_fibre_init_dispatcher(d)
int async_fibre_makecontext(async_fibre *fibre);
void async_fibre_free(async_fibre *fibre);
# endif
#endif
#endif /* OPENSSL_ASYNC_ARCH_ASYNC_POSIX_H */