/*
- * Written by Matt Caswell (matt@openssl.org) for the OpenSSL project.
- */
-/* ====================================================================
- * Copyright (c) 2016 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
+ * Copyright 2016-2018 The OpenSSL Project Authors. All Rights Reserved.
*
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
+ * Licensed under the Apache License 2.0 (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 */
{
struct fd_lookup_st *fdlookup;
- fdlookup = OPENSSL_zalloc(sizeof *fdlookup);
- if (fdlookup == NULL)
+ if ((fdlookup = OPENSSL_zalloc(sizeof(*fdlookup))) == NULL) {
+ ASYNCerr(ASYNC_F_ASYNC_WAIT_CTX_SET_WAIT_FD, ERR_R_MALLOC_FAILURE);
return 0;
+ }
fdlookup->key = key;
fdlookup->fd = fd;
int ASYNC_WAIT_CTX_clear_fd(ASYNC_WAIT_CTX *ctx, const void *key)
{
- struct fd_lookup_st *curr;
+ struct fd_lookup_st *curr, *prev;
curr = ctx->fds;
+ prev = NULL;
while (curr != NULL) {
- if (curr->del) {
+ if (curr->del == 1) {
/* This one has been marked deleted already so do nothing */
+ prev = curr;
curr = curr->next;
continue;
}
if (curr->key == key) {
+ /* If fd has just been added, remove it from the list */
+ if (curr->add == 1) {
+ if (ctx->fds == curr) {
+ ctx->fds = curr->next;
+ } else {
+ prev->next = curr->next;
+ }
+
+ /* It is responsibility of the caller to cleanup before calling
+ * ASYNC_WAIT_CTX_clear_fd
+ */
+ OPENSSL_free(curr);
+ ctx->numadd--;
+ return 1;
+ }
+
/*
* Mark it as deleted. We don't call cleanup if explicitly asked
* to clear an fd. We assume the caller is going to do that (if
ctx->numdel++;
return 1;
}
+ prev = curr;
curr = curr->next;
}
return 0;
}
+int ASYNC_WAIT_CTX_set_callback(ASYNC_WAIT_CTX *ctx,
+ ASYNC_callback_fn callback,
+ void *callback_arg)
+{
+ if (ctx == NULL)
+ return 0;
+
+ ctx->callback = callback;
+ ctx->callback_arg = callback_arg;
+ return 1;
+}
+
+int ASYNC_WAIT_CTX_get_callback(ASYNC_WAIT_CTX *ctx,
+ ASYNC_callback_fn *callback,
+ void **callback_arg)
+{
+ if (ctx->callback == NULL)
+ return 0;
+
+ *callback = ctx->callback;
+ *callback_arg = ctx->callback_arg;
+ return 1;
+}
+
+int ASYNC_WAIT_CTX_set_status(ASYNC_WAIT_CTX *ctx, int status)
+{
+ ctx->status = status;
+ return 1;
+}
+
+int ASYNC_WAIT_CTX_get_status(ASYNC_WAIT_CTX *ctx)
+{
+ return ctx->status;
+}
+
void async_wait_ctx_reset_counts(ASYNC_WAIT_CTX *ctx)
{
struct fd_lookup_st *curr, *prev = NULL;
projects / openssl.git / blobdiff