diff options
Diffstat (limited to 'Cryptlib/OpenSSL/crypto/async/async_wait.c')
| -rw-r--r-- | Cryptlib/OpenSSL/crypto/async/async_wait.c | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/Cryptlib/OpenSSL/crypto/async/async_wait.c b/Cryptlib/OpenSSL/crypto/async/async_wait.c deleted file mode 100644 index e115985d..00000000 --- a/Cryptlib/OpenSSL/crypto/async/async_wait.c +++ /dev/null @@ -1,211 +0,0 @@ -/* - * Copyright 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" - -#include <openssl/err.h> - -ASYNC_WAIT_CTX *ASYNC_WAIT_CTX_new(void) -{ - return OPENSSL_zalloc(sizeof(ASYNC_WAIT_CTX)); -} - -void ASYNC_WAIT_CTX_free(ASYNC_WAIT_CTX *ctx) -{ - struct fd_lookup_st *curr; - struct fd_lookup_st *next; - - if (ctx == NULL) - return; - - curr = ctx->fds; - while (curr != NULL) { - if (!curr->del) { - /* Only try and cleanup if it hasn't been marked deleted */ - if (curr->cleanup != NULL) - curr->cleanup(ctx, curr->key, curr->fd, curr->custom_data); - } - /* Always free the fd_lookup_st */ - next = curr->next; - OPENSSL_free(curr); - curr = next; - } - - OPENSSL_free(ctx); -} -int ASYNC_WAIT_CTX_set_wait_fd(ASYNC_WAIT_CTX *ctx, const void *key, - OSSL_ASYNC_FD fd, void *custom_data, - void (*cleanup)(ASYNC_WAIT_CTX *, const void *, - OSSL_ASYNC_FD, void *)) -{ - struct fd_lookup_st *fdlookup; - - fdlookup = OPENSSL_zalloc(sizeof *fdlookup); - if (fdlookup == NULL) - return 0; - - fdlookup->key = key; - fdlookup->fd = fd; - fdlookup->custom_data = custom_data; - fdlookup->cleanup = cleanup; - fdlookup->add = 1; - fdlookup->next = ctx->fds; - ctx->fds = fdlookup; - ctx->numadd++; - return 1; -} - -int ASYNC_WAIT_CTX_get_fd(ASYNC_WAIT_CTX *ctx, const void *key, - OSSL_ASYNC_FD *fd, void **custom_data) -{ - struct fd_lookup_st *curr; - - curr = ctx->fds; - while (curr != NULL) { - if (curr->del) { - /* This one has been marked deleted so do nothing */ - curr = curr->next; - continue; - } - if (curr->key == key) { - *fd = curr->fd; - *custom_data = curr->custom_data; - return 1; - } - curr = curr->next; - } - return 0; -} - -int ASYNC_WAIT_CTX_get_all_fds(ASYNC_WAIT_CTX *ctx, OSSL_ASYNC_FD *fd, - size_t *numfds) -{ - struct fd_lookup_st *curr; - - curr = ctx->fds; - *numfds = 0; - while (curr != NULL) { - if (curr->del) { - /* This one has been marked deleted so do nothing */ - curr = curr->next; - continue; - } - if (fd != NULL) { - *fd = curr->fd; - fd++; - } - (*numfds)++; - curr = curr->next; - } - return 1; -} - -int ASYNC_WAIT_CTX_get_changed_fds(ASYNC_WAIT_CTX *ctx, OSSL_ASYNC_FD *addfd, - size_t *numaddfds, OSSL_ASYNC_FD *delfd, - size_t *numdelfds) -{ - struct fd_lookup_st *curr; - - *numaddfds = ctx->numadd; - *numdelfds = ctx->numdel; - if (addfd == NULL && delfd == NULL) - return 1; - - curr = ctx->fds; - - while (curr != NULL) { - /* We ignore fds that have been marked as both added and deleted */ - if (curr->del && !curr->add && (delfd != NULL)) { - *delfd = curr->fd; - delfd++; - } - if (curr->add && !curr->del && (addfd != NULL)) { - *addfd = curr->fd; - addfd++; - } - curr = curr->next; - } - - return 1; -} - -int ASYNC_WAIT_CTX_clear_fd(ASYNC_WAIT_CTX *ctx, const void *key) -{ - struct fd_lookup_st *curr, *prev; - - curr = ctx->fds; - prev = NULL; - while (curr != NULL) { - if (curr->del == 1) { - /* This one has been marked deleted already so do nothing */ - 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 - * appropriate). - */ - curr->del = 1; - ctx->numdel++; - return 1; - } - prev = curr; - curr = curr->next; - } - return 0; -} - -void async_wait_ctx_reset_counts(ASYNC_WAIT_CTX *ctx) -{ - struct fd_lookup_st *curr, *prev = NULL; - - ctx->numadd = 0; - ctx->numdel = 0; - - curr = ctx->fds; - - while (curr != NULL) { - if (curr->del) { - if (prev == NULL) - ctx->fds = curr->next; - else - prev->next = curr->next; - OPENSSL_free(curr); - if (prev == NULL) - curr = ctx->fds; - else - curr = prev->next; - continue; - } - if (curr->add) { - curr->add = 0; - } - prev = curr; - curr = curr->next; - } -} |