summaryrefslogtreecommitdiffabout
path: root/pwmanager/libcrypt/crypt/ath.h
Side-by-side diff
Diffstat (limited to 'pwmanager/libcrypt/crypt/ath.h') (more/less context) (ignore whitespace changes)
-rw-r--r--pwmanager/libcrypt/crypt/ath.h116
1 files changed, 116 insertions, 0 deletions
diff --git a/pwmanager/libcrypt/crypt/ath.h b/pwmanager/libcrypt/crypt/ath.h
new file mode 100644
index 0000000..d492c2a
--- a/dev/null
+++ b/pwmanager/libcrypt/crypt/ath.h
@@ -0,0 +1,116 @@
+/* ath.h - Thread-safeness library.
+ Copyright (C) 2002, 2003, 2004 g10 Code GmbH
+
+ This file is part of Libgcrypt.
+
+ Libgcrypt is free software; you can redistribute it and/or modify
+ it under the terms of the GNU Lesser General Public License as
+ published by the Free Software Foundation; either version 2.1 of
+ the License, or (at your option) any later version.
+
+ Libgcrypt is distributed in the hope that it will be useful, but
+ WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with Libgcrypt; if not, write to the Free Software
+ Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
+ 02111-1307, USA. */
+
+#ifndef ATH_H
+#define ATH_H
+
+#ifdef _WIN32
+#warning We need to replace these hacks by cleaner code.
+typedef int ssize_t;
+typedef int pid_t;
+#include <windows.h>
+#else
+#include <sys/types.h>
+#include <sys/socket.h>
+#endif
+#include <gpg-error.h>
+
+#include <config.h>
+
+
+/* Define _ATH_EXT_SYM_PREFIX if you want to give all external symbols
+ a prefix. */
+#define _ATH_EXT_SYM_PREFIX _gcry_
+
+#ifdef _ATH_EXT_SYM_PREFIX
+#define _ATH_PREFIX1(x,y) x ## y
+#define _ATH_PREFIX2(x,y) _ATH_PREFIX1(x,y)
+#define _ATH_PREFIX(x) _ATH_PREFIX2(_ATH_EXT_SYM_PREFIX,x)
+#define ath_install _ATH_PREFIX(ath_install)
+#define ath_init _ATH_PREFIX(ath_init)
+#define ath_mutex_init _ATH_PREFIX(ath_mutex_init)
+#define ath_mutex_destroy _ATH_PREFIX(ath_mutex_destroy)
+#define ath_mutex_lock _ATH_PREFIX(ath_mutex_lock)
+#define ath_mutex_unlock _ATH_PREFIX(ath_mutex_unlock)
+#define ath_read _ATH_PREFIX(ath_read)
+#define ath_write _ATH_PREFIX(ath_write)
+#define ath_select _ATH_PREFIX(ath_select)
+#define ath_waitpid _ATH_PREFIX(ath_waitpid)
+#define ath_connect _ATH_PREFIX(ath_connect)
+#define ath_accept _ATH_PREFIX(ath_accept)
+#define ath_sendmsg _ATH_PREFIX(ath_sendmsg)
+#define ath_recvmsg _ATH_PREFIX(ath_recvmsg)
+#endif
+
+
+enum ath_thread_option
+ {
+ ATH_THREAD_OPTION_DEFAULT = 0,
+ ATH_THREAD_OPTION_USER = 1,
+ ATH_THREAD_OPTION_PTH = 2,
+ ATH_THREAD_OPTION_PTHREAD = 3
+ };
+
+struct ath_ops
+{
+ enum ath_thread_option option;
+ int (*init) (void);
+ int (*mutex_init) (void **priv);
+ int (*mutex_destroy) (void *priv);
+ int (*mutex_lock) (void *priv);
+ int (*mutex_unlock) (void *priv);
+ ssize_t (*read) (int fd, void *buf, size_t nbytes);
+ ssize_t (*write) (int fd, const void *buf, size_t nbytes);
+ ssize_t (*select) (int nfd, fd_set *rset, fd_set *wset, fd_set *eset,
+ struct timeval *timeout);
+ ssize_t (*waitpid) (pid_t pid, int *status, int options);
+ int (*accept) (int s, struct sockaddr *addr, socklen_t *length_ptr);
+ int (*connect) (int s, struct sockaddr *addr, socklen_t length);
+ int (*sendmsg) (int s, const struct msghdr *msg, int flags);
+ int (*recvmsg) (int s, struct msghdr *msg, int flags);
+};
+
+gpg_err_code_t ath_install (struct ath_ops *ath_ops, int check_only);
+int ath_init (void);
+
+
+/* Functions for mutual exclusion. */
+typedef void *ath_mutex_t;
+#define ATH_MUTEX_INITIALIZER 0
+
+int ath_mutex_init (ath_mutex_t *mutex);
+int ath_mutex_destroy (ath_mutex_t *mutex);
+int ath_mutex_lock (ath_mutex_t *mutex);
+int ath_mutex_unlock (ath_mutex_t *mutex);
+
+
+/* Replacement for the POSIX functions, which can be used to allow
+ other (user-level) threads to run. */
+ssize_t ath_read (int fd, void *buf, size_t nbytes);
+ssize_t ath_write (int fd, const void *buf, size_t nbytes);
+ssize_t ath_select (int nfd, fd_set *rset, fd_set *wset, fd_set *eset,
+ struct timeval *timeout);
+ssize_t ath_waitpid (pid_t pid, int *status, int options);
+int ath_accept (int s, struct sockaddr *addr, socklen_t *length_ptr);
+int ath_connect (int s, struct sockaddr *addr, socklen_t length);
+int ath_sendmsg (int s, const struct msghdr *msg, int flags);
+int ath_recvmsg (int s, struct msghdr *msg, int flags);
+
+#endif /* ATH_H */