[331] | 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 | /*
|
---|
| 11 | * Must do this before including any header files, because on MacOS/X <stlib.h>
|
---|
| 12 | * includes <signal.h> which includes <ucontext.h>
|
---|
| 13 | */
|
---|
| 14 | #if defined(__APPLE__) && defined(__MACH__) && !defined(_XOPEN_SOURCE)
|
---|
| 15 | # define _XOPEN_SOURCE /* Otherwise incomplete ucontext_t structure */
|
---|
| 16 | # pragma GCC diagnostic ignored "-Wdeprecated-declarations"
|
---|
| 17 | #endif
|
---|
| 18 |
|
---|
| 19 | #if defined(_WIN32)
|
---|
| 20 | # include <windows.h>
|
---|
| 21 | #endif
|
---|
| 22 |
|
---|
| 23 | #include <internal/async.h>
|
---|
| 24 | #include <openssl/crypto.h>
|
---|
| 25 |
|
---|
| 26 | typedef struct async_ctx_st async_ctx;
|
---|
| 27 | typedef struct async_pool_st async_pool;
|
---|
| 28 |
|
---|
| 29 | #include "arch/async_win.h"
|
---|
| 30 | #include "arch/async_posix.h"
|
---|
| 31 | #include "arch/async_null.h"
|
---|
| 32 |
|
---|
| 33 | struct async_ctx_st {
|
---|
| 34 | async_fibre dispatcher;
|
---|
| 35 | ASYNC_JOB *currjob;
|
---|
| 36 | unsigned int blocked;
|
---|
| 37 | };
|
---|
| 38 |
|
---|
| 39 | struct async_job_st {
|
---|
| 40 | async_fibre fibrectx;
|
---|
| 41 | int (*func) (void *);
|
---|
| 42 | void *funcargs;
|
---|
| 43 | int ret;
|
---|
| 44 | int status;
|
---|
| 45 | ASYNC_WAIT_CTX *waitctx;
|
---|
| 46 | };
|
---|
| 47 |
|
---|
| 48 | struct fd_lookup_st {
|
---|
| 49 | const void *key;
|
---|
| 50 | OSSL_ASYNC_FD fd;
|
---|
| 51 | void *custom_data;
|
---|
| 52 | void (*cleanup)(ASYNC_WAIT_CTX *, const void *, OSSL_ASYNC_FD, void *);
|
---|
| 53 | int add;
|
---|
| 54 | int del;
|
---|
| 55 | struct fd_lookup_st *next;
|
---|
| 56 | };
|
---|
| 57 |
|
---|
| 58 | struct async_wait_ctx_st {
|
---|
| 59 | struct fd_lookup_st *fds;
|
---|
| 60 | size_t numadd;
|
---|
| 61 | size_t numdel;
|
---|
| 62 | };
|
---|
| 63 |
|
---|
| 64 | DEFINE_STACK_OF(ASYNC_JOB)
|
---|
| 65 |
|
---|
| 66 | struct async_pool_st {
|
---|
| 67 | STACK_OF(ASYNC_JOB) *jobs;
|
---|
| 68 | size_t curr_size;
|
---|
| 69 | size_t max_size;
|
---|
| 70 | };
|
---|
| 71 |
|
---|
| 72 | void async_local_cleanup(void);
|
---|
| 73 | void async_start_func(void);
|
---|
| 74 | async_ctx *async_get_ctx(void);
|
---|
| 75 |
|
---|
| 76 | void async_wait_ctx_reset_counts(ASYNC_WAIT_CTX *ctx);
|
---|
| 77 |
|
---|