/* assuan.h - Definitions for the Assuan IPC library -*- c -*-
* Copyright (C) 2001-2013 Free Software Foundation, Inc.
* Copyright (C) 2001-2021 g10 Code GmbH
*
* This file is part of Assuan.
*
* Assuan 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.
*
* Assuan 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this program; if not, see .
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* Do not edit. Generated from assuan.h.in by mkheader for linux-gnu.
*/
/* Compile time configuration:
*
* #define _ASSUAN_NO_SOCKET_WRAPPER
*
* Do not include the definitions for the socket wrapper feature.
*/
#ifndef ASSUAN_H
#define ASSUAN_H
#include
#include
#include
#include
#ifndef _ASSUAN_NO_SOCKET_WRAPPER
#include
#endif /*!_ASSUAN_NO_SOCKET_WRAPPER*/
typedef struct msghdr *assuan_msghdr_t;
#include
#ifdef __cplusplus
extern "C"
{
#if 0
}
#endif
#endif
/* The version of this header should match the one of the library. Do
* not use this symbol in your application; use assuan_check_version
* instead. */
#define ASSUAN_VERSION "2.5.6"
/* The version number of this header. It may be used to handle minor
* API incompatibilities. */
#define ASSUAN_VERSION_NUMBER 0x020506
/* Check for compiler features. */
#if __GNUC__
#define _ASSUAN_GCC_VERSION (__GNUC__ * 10000 \
+ __GNUC_MINOR__ * 100 \
+ __GNUC_PATCHLEVEL__)
#if _ASSUAN_GCC_VERSION > 30100
#define _ASSUAN_DEPRECATED __attribute__ ((__deprecated__))
#endif
#endif
#ifndef _ASSUAN_DEPRECATED
#define _ASSUAN_DEPRECATED
#endif
#define ASSUAN_LINELENGTH 1002 /* 1000 + [CR,]LF */
struct assuan_context_s;
typedef struct assuan_context_s *assuan_context_t;
typedef int assuan_fd_t;
#define ASSUAN_INVALID_FD (-1)
#define ASSUAN_INVALID_PID ((pid_t) -1)
static GPG_ERR_INLINE assuan_fd_t
assuan_fd_from_posix_fd (int fd)
{
return fd;
}
assuan_fd_t assuan_fdopen (int fd);
/* Under Windows Assuan features an emulation of Unix domain sockets
based on a local TCP connections. To implement access permissions
based on file permissions a nonce is used which is expected by the
server as the first bytes received. On POSIX systems this is a
dummy structure. */
struct assuan_sock_nonce_s
{
size_t length;
};
typedef struct assuan_sock_nonce_s assuan_sock_nonce_t;
/*
* Global interface.
*/
struct assuan_malloc_hooks
{
void *(*malloc) (size_t cnt);
void *(*realloc) (void *ptr, size_t cnt);
void (*free) (void *ptr);
};
typedef struct assuan_malloc_hooks *assuan_malloc_hooks_t;
/* Categories for log messages. */
#define ASSUAN_LOG_INIT 1
#define ASSUAN_LOG_CTX 2
#define ASSUAN_LOG_ENGINE 3
#define ASSUAN_LOG_DATA 4
#define ASSUAN_LOG_SYSIO 5
#define ASSUAN_LOG_CONTROL 8
/* If MSG is NULL, return true/false depending on if this category is
* logged. This is used to probe before expensive log message
* generation (buffer dumps). */
typedef int (*assuan_log_cb_t) (assuan_context_t ctx, void *hook,
unsigned int cat, const char *msg);
/* Return or check the version number. */
const char *assuan_check_version (const char *req_version);
/* Set the default gpg error source. */
void assuan_set_gpg_err_source (gpg_err_source_t errsource);
/* Get the default gpg error source. */
gpg_err_source_t assuan_get_gpg_err_source (void);
/* Set the default malloc hooks. */
void assuan_set_malloc_hooks (assuan_malloc_hooks_t malloc_hooks);
/* Get the default malloc hooks. */
assuan_malloc_hooks_t assuan_get_malloc_hooks (void);
/* Set the default log callback handler. */
void assuan_set_log_cb (assuan_log_cb_t log_cb, void *log_cb_data);
/* Get the default log callback handler. */
void assuan_get_log_cb (assuan_log_cb_t *log_cb, void **log_cb_data);
/* Create a new Assuan context. The initial parameters are all needed
* in the creation of the context. */
gpg_error_t assuan_new_ext (assuan_context_t *ctx, gpg_err_source_t errsource,
assuan_malloc_hooks_t malloc_hooks,
assuan_log_cb_t log_cb, void *log_cb_data);
/* Create a new context with default arguments. */
gpg_error_t assuan_new (assuan_context_t *ctx);
/* Release all resources associated with the given context. */
void assuan_release (assuan_context_t ctx);
/* Release the memory at PTR using the allocation handler of the
* context CTX. This is a convenience function. */
void assuan_free (assuan_context_t ctx, void *ptr);
/* Set user-data in a context. */
void assuan_set_pointer (assuan_context_t ctx, void *pointer);
/* Get user-data in a context. */
void *assuan_get_pointer (assuan_context_t ctx);
/* Definitions of flags for assuan_set_flag(). */
typedef unsigned int assuan_flag_t;
/* When using a pipe server, by default Assuan will wait for the
* forked process to die in assuan_release. In certain cases this
* is not desirable. By setting this flag, the waitpid will be
* skipped and the caller is responsible to cleanup a forked
* process. */
#define ASSUAN_NO_WAITPID 1
/* This flag indicates whether Assuan logging is in confidential mode.
You can use assuan_{begin,end}_condidential to change the mode. */
#define ASSUAN_CONFIDENTIAL 2
/* This flag suppresses fix up of signal handlers for pipes. */
#define ASSUAN_NO_FIXSIGNALS 3
/* This flag changes assuan_transact to return comment lines via the
* status callback. The default is to skip comment lines. */
#define ASSUAN_CONVEY_COMMENTS 4
/* This flag disables logging for one context. */
#define ASSUAN_NO_LOGGING 5
/* This flag forces a connection close. */
#define ASSUAN_FORCE_CLOSE 6
/* For context CTX, set the flag FLAG to VALUE. Values for flags
* are usually 1 or 0 but certain flags might allow for other values;
* see the description of the type assuan_flag_t for details. */
void assuan_set_flag (assuan_context_t ctx, assuan_flag_t flag, int value);
/* Return the VALUE of FLAG in context CTX. */
int assuan_get_flag (assuan_context_t ctx, assuan_flag_t flag);
/* Same as assuan_set_flag (ctx, ASSUAN_CONFIDENTIAL, 1). */
void assuan_begin_confidential (assuan_context_t ctx);
/* Same as assuan_set_flag (ctx, ASSUAN_CONFIDENTIAL, 0). */
void assuan_end_confidential (assuan_context_t ctx);
/* Direction values for assuan_set_io_monitor. */
#define ASSUAN_IO_FROM_PEER 0
#define ASSUAN_IO_TO_PEER 1
/* Return flags of I/O monitor. */
#define ASSUAN_IO_MONITOR_NOLOG 1
#define ASSUAN_IO_MONITOR_IGNORE 2
/* The IO monitor gets to see all I/O on the context, and can return
* ASSUAN_IO_MONITOR_* bits to control actions on it. */
typedef unsigned int (*assuan_io_monitor_t) (assuan_context_t ctx, void *hook,
int inout, const char *line,
size_t linelen);
/* Set the IO monitor function. */
void assuan_set_io_monitor (assuan_context_t ctx,
assuan_io_monitor_t io_monitor, void *hook_data);
/* The system hooks. See assuan_set_system_hooks et al. */
#define ASSUAN_SYSTEM_HOOKS_VERSION 2
#define ASSUAN_SPAWN_DETACHED 128
struct assuan_system_hooks
{
/* Always set to ASSUAN_SYTEM_HOOKS_VERSION. */
int version;
/* Sleep for the given number of microseconds. */
void (*usleep) (assuan_context_t ctx, unsigned int usec);
/* Create a pipe with an inheritable end. */
int (*pipe) (assuan_context_t ctx, assuan_fd_t fd[2], int inherit_idx);
/* Close the given file descriptor, created with _assuan_pipe or one
of the socket functions. */
int (*close) (assuan_context_t ctx, assuan_fd_t fd);
ssize_t (*read) (assuan_context_t ctx, assuan_fd_t fd, void *buffer,
size_t size);
ssize_t (*write) (assuan_context_t ctx, assuan_fd_t fd,
const void *buffer, size_t size);
int (*recvmsg) (assuan_context_t ctx, assuan_fd_t fd, assuan_msghdr_t msg,
int flags);
int (*sendmsg) (assuan_context_t ctx, assuan_fd_t fd,
const assuan_msghdr_t msg, int flags);
/* If NAME is NULL, don't exec, just fork. FD_CHILD_LIST is
modified to reflect the value of the FD in the peer process (on
Windows). */
int (*spawn) (assuan_context_t ctx, pid_t *r_pid, const char *name,
const char **argv,
assuan_fd_t fd_in, assuan_fd_t fd_out,
assuan_fd_t *fd_child_list,
void (*atfork) (void *opaque, int reserved),
void *atforkvalue, unsigned int flags);
/* If action is 0, like waitpid. If action is 1, just release the PID? */
pid_t (*waitpid) (assuan_context_t ctx, pid_t pid,
int action, int *status, int options);
int (*socketpair) (assuan_context_t ctx, int _namespace, int style,
int protocol, assuan_fd_t filedes[2]);
int (*socket) (assuan_context_t ctx, int _namespace, int style, int protocol);
int (*connect) (assuan_context_t ctx, int sock, struct sockaddr *addr, socklen_t length);
};
typedef struct assuan_system_hooks *assuan_system_hooks_t;
/*
* Configuration of the default log handler.
*/
/* Set the prefix to be used at the start of a line emitted by assuan
* on the log stream. The default is the empty string. Note, that
* this function is not thread-safe and should in general be used
* right at startup. */
void assuan_set_assuan_log_prefix (const char *text);
/* Return a prefix to be used at the start of a line emitted by assuan
* on the log stream. The default implementation returns the empty
* string, i.e. "". */
const char *assuan_get_assuan_log_prefix (void);
/* Global default log stream. */
void assuan_set_assuan_log_stream (FILE *fp);
/* Set the per context log stream for the default log handler. */
void assuan_set_log_stream (assuan_context_t ctx, FILE *fp);
/* The type for assuan command handlers. */
typedef gpg_error_t (*assuan_handler_t) (assuan_context_t, char *);
/*-- assuan-handler.c --*/
gpg_error_t assuan_register_command (assuan_context_t ctx,
const char *cmd_string,
assuan_handler_t handler,
const char *help_string);
gpg_error_t assuan_register_pre_cmd_notify (assuan_context_t ctx,
gpg_error_t (*fnc)(assuan_context_t,
const char *cmd));
gpg_error_t assuan_register_post_cmd_notify (assuan_context_t ctx,
void (*fnc)(assuan_context_t,
gpg_error_t));
gpg_error_t assuan_register_bye_notify (assuan_context_t ctx,
assuan_handler_t handler);
gpg_error_t assuan_register_reset_notify (assuan_context_t ctx,
assuan_handler_t handler);
gpg_error_t assuan_register_cancel_notify (assuan_context_t ctx,
assuan_handler_t handler);
gpg_error_t assuan_register_input_notify (assuan_context_t ctx,
assuan_handler_t handler);
gpg_error_t assuan_register_output_notify (assuan_context_t ctx,
assuan_handler_t handler);
gpg_error_t assuan_register_option_handler (assuan_context_t ctx,
gpg_error_t (*fnc)(assuan_context_t,
const char*,
const char*));
gpg_error_t assuan_process (assuan_context_t ctx);
gpg_error_t assuan_process_next (assuan_context_t ctx, int *done);
gpg_error_t assuan_process_done (assuan_context_t ctx, gpg_error_t rc);
int assuan_get_active_fds (assuan_context_t ctx, int what,
assuan_fd_t *fdarray, int fdarraysize);
const char *assuan_get_command_name (assuan_context_t ctx);
FILE *assuan_get_data_fp (assuan_context_t ctx);
gpg_error_t assuan_set_okay_line (assuan_context_t ctx, const char *line);
gpg_error_t assuan_write_status (assuan_context_t ctx,
const char *keyword, const char *text);
/* Negotiate a file descriptor. If LINE contains "FD=N", returns N
* assuming a local file descriptor. If LINE contains "FD" reads a
* file descriptor via CTX and stores it in *RDF (the CTX must be
* capable of passing file descriptors). Under Windows the returned
* FD is a libc-type one. */
gpg_error_t assuan_command_parse_fd (assuan_context_t ctx, char *line,
assuan_fd_t *rfd);
/*-- assuan-listen.c --*/
gpg_error_t assuan_set_hello_line (assuan_context_t ctx, const char *line);
gpg_error_t assuan_accept (assuan_context_t ctx);
assuan_fd_t assuan_get_input_fd (assuan_context_t ctx);
assuan_fd_t assuan_get_output_fd (assuan_context_t ctx);
gpg_error_t assuan_close_input_fd (assuan_context_t ctx);
gpg_error_t assuan_close_output_fd (assuan_context_t ctx);
/*-- assuan-pipe-server.c --*/
gpg_error_t assuan_init_pipe_server (assuan_context_t ctx,
assuan_fd_t filedes[2]);
/*-- assuan-socket-server.c --*/
#define ASSUAN_SOCKET_SERVER_FDPASSING 1
#define ASSUAN_SOCKET_SERVER_ACCEPTED 2
gpg_error_t assuan_init_socket_server (assuan_context_t ctx,
assuan_fd_t listen_fd,
unsigned int flags);
void assuan_set_sock_nonce (assuan_context_t ctx, assuan_sock_nonce_t *nonce);
/*-- assuan-pipe-connect.c --*/
#define ASSUAN_PIPE_CONNECT_FDPASSING 1
#define ASSUAN_PIPE_CONNECT_DETACHED 128
gpg_error_t assuan_pipe_connect (assuan_context_t ctx,
const char *name,
const char *argv[],
assuan_fd_t *fd_child_list,
void (*atfork) (void *, int),
void *atforkvalue,
unsigned int flags);
/*-- assuan-socket-connect.c --*/
#define ASSUAN_SOCKET_CONNECT_FDPASSING 1
gpg_error_t assuan_socket_connect (assuan_context_t ctx, const char *name,
pid_t server_pid, unsigned int flags);
/*-- assuan-socket-connect.c --*/
gpg_error_t assuan_socket_connect_fd (assuan_context_t ctx, int fd,
unsigned int flags);
/*-- context.c --*/
pid_t assuan_get_pid (assuan_context_t ctx);
struct _assuan_peercred
{
#ifdef _WIN32
/* Empty struct not allowed on some compilers, so, put this (not valid). */
pid_t pid;
#else
pid_t pid;
uid_t uid;
gid_t gid;
#endif
};
typedef struct _assuan_peercred *assuan_peercred_t;
gpg_error_t assuan_get_peercred (assuan_context_t ctx,
assuan_peercred_t *peercred);
/*
* Client interface.
*/
/* Client response codes. */
#define ASSUAN_RESPONSE_ERROR 0
#define ASSUAN_RESPONSE_OK 1
#define ASSUAN_RESPONSE_DATA 2
#define ASSUAN_RESPONSE_INQUIRE 3
#define ASSUAN_RESPONSE_STATUS 4
#define ASSUAN_RESPONSE_END 5
#define ASSUAN_RESPONSE_COMMENT 6
typedef int assuan_response_t;
/* This already de-escapes data lines. */
gpg_error_t assuan_client_read_response (assuan_context_t ctx,
char **line, int *linelen);
gpg_error_t assuan_client_parse_response (assuan_context_t ctx,
char *line, int linelen,
assuan_response_t *response,
int *off);
/*-- assuan-client.c --*/
gpg_error_t
assuan_transact (assuan_context_t ctx,
const char *command,
gpg_error_t (*data_cb)(void *, const void *, size_t),
void *data_cb_arg,
gpg_error_t (*inquire_cb)(void*, const char *),
void *inquire_cb_arg,
gpg_error_t (*status_cb)(void*, const char *),
void *status_cb_arg);
/*-- assuan-inquire.c --*/
gpg_error_t assuan_inquire (assuan_context_t ctx, const char *keyword,
unsigned char **r_buffer, size_t *r_length,
size_t maxlen);
gpg_error_t assuan_inquire_ext (assuan_context_t ctx, const char *keyword,
size_t maxlen,
gpg_error_t (*cb) (void *cb_data,
gpg_error_t rc,
unsigned char *buf,
size_t buf_len),
void *cb_data);
/*-- assuan-buffer.c --*/
gpg_error_t assuan_read_line (assuan_context_t ctx,
char **line, size_t *linelen);
int assuan_pending_line (assuan_context_t ctx);
gpg_error_t assuan_write_line (assuan_context_t ctx, const char *line);
gpg_error_t assuan_send_data (assuan_context_t ctx,
const void *buffer, size_t length);
/* The file descriptor must be pending before assuan_receivefd is
* called. This means that assuan_sendfd should be called *before* the
* trigger is sent (normally via assuan_write_line ("INPUT FD")). */
gpg_error_t assuan_sendfd (assuan_context_t ctx, assuan_fd_t fd);
gpg_error_t assuan_receivefd (assuan_context_t ctx, assuan_fd_t *fd);
/*-- assuan-util.c --*/
gpg_error_t assuan_set_error (assuan_context_t ctx, gpg_error_t err,
const char *text);
/*-- assuan-socket.c --*/
/* This flag is used with assuan_sock_connect_byname to
* connect via SOCKS. */
#define ASSUAN_SOCK_SOCKS 1
/* This flag is used with assuan_sock_connect_byname to force a
connection via Tor even if the socket subsystem has not been
swicthed into Tor mode. This flags overrides ASSUAN_SOCK_SOCKS. */
#define ASSUAN_SOCK_TOR 2
/* These are socket wrapper functions to support an emulation of Unix
* domain sockets on Windows. */
gpg_error_t assuan_sock_init (void);
void assuan_sock_deinit (void);
int assuan_sock_close (assuan_fd_t fd);
assuan_fd_t assuan_sock_new (int domain, int type, int proto);
int assuan_sock_set_flag (assuan_fd_t sockfd, const char *name, int value);
int assuan_sock_get_flag (assuan_fd_t sockfd, const char *name, int *r_value);
int assuan_sock_connect (assuan_fd_t sockfd,
struct sockaddr *addr, int addrlen);
assuan_fd_t assuan_sock_connect_byname (const char *host, unsigned short port,
int reserved,
const char *credentials,
unsigned int flags);
int assuan_sock_bind (assuan_fd_t sockfd, struct sockaddr *addr, int addrlen);
int assuan_sock_set_sockaddr_un (const char *fname, struct sockaddr *addr,
int *r_redirected);
int assuan_sock_get_nonce (struct sockaddr *addr, int addrlen,
assuan_sock_nonce_t *nonce);
int assuan_sock_check_nonce (assuan_fd_t fd, assuan_sock_nonce_t *nonce);
void assuan_sock_set_system_hooks (assuan_system_hooks_t system_hooks);
/* Set the default system callbacks. This is irreversible. */
void assuan_set_system_hooks (assuan_system_hooks_t system_hooks);
/* Set the per context system callbacks. This is irreversible. */
void assuan_ctx_set_system_hooks (assuan_context_t ctx,
assuan_system_hooks_t system_hooks);
/* Change the system hooks for the socket interface.
* This is not thread-safe. */
void assuan_sock_set_system_hooks (assuan_system_hooks_t system_hooks);
void __assuan_usleep (assuan_context_t ctx, unsigned int usec);
int __assuan_pipe (assuan_context_t ctx, assuan_fd_t fd[2], int inherit_idx);
int __assuan_close (assuan_context_t ctx, assuan_fd_t fd);
int __assuan_spawn (assuan_context_t ctx, pid_t *r_pid, const char *name,
const char **argv, assuan_fd_t fd_in, assuan_fd_t fd_out,
assuan_fd_t *fd_child_list,
void (*atfork) (void *opaque, int reserved),
void *atforkvalue, unsigned int flags);
int __assuan_socketpair (assuan_context_t ctx, int _namespace, int style,
int protocol, assuan_fd_t filedes[2]);
int __assuan_socket (assuan_context_t ctx, int _namespace, int style, int protocol);
int __assuan_connect (assuan_context_t ctx, int sock, struct sockaddr *addr, socklen_t length);
ssize_t __assuan_read (assuan_context_t ctx, assuan_fd_t fd, void *buffer, size_t size);
ssize_t __assuan_write (assuan_context_t ctx, assuan_fd_t fd, const void *buffer, size_t size);
int __assuan_recvmsg (assuan_context_t ctx, assuan_fd_t fd, assuan_msghdr_t msg, int flags);
int __assuan_sendmsg (assuan_context_t ctx, assuan_fd_t fd, const assuan_msghdr_t msg, int flags);
pid_t __assuan_waitpid (assuan_context_t ctx, pid_t pid, int nowait, int *status, int options);
/* Standard system hooks for the legacy GNU Pth. */
#define ASSUAN_SYSTEM_PTH_IMPL \
static void _assuan_pth_usleep (assuan_context_t ctx, unsigned int usec) \
{ (void) ctx; pth_usleep (usec); } \
static ssize_t _assuan_pth_read (assuan_context_t ctx, assuan_fd_t fd, \
void *buffer, size_t size) \
{ (void) ctx; return pth_read (fd, buffer, size); } \
static ssize_t _assuan_pth_write (assuan_context_t ctx, assuan_fd_t fd, \
const void *buffer, size_t size) \
{ (void) ctx; return pth_write (fd, buffer, size); } \
static int _assuan_pth_recvmsg (assuan_context_t ctx, assuan_fd_t fd, \
assuan_msghdr_t msg, int flags) \
{ \
/* Pth does not provide a recvmsg function. We implement it. */ \
int ret; \
int fdmode; \
\
(void) ctx; \
fdmode = pth_fdmode (fd, PTH_FDMODE_POLL); \
if (fdmode == PTH_FDMODE_ERROR) \
{ \
errno = EBADF; \
return -1; \
} \
if (fdmode == PTH_FDMODE_BLOCK) \
{ \
fd_set fds; \
\
FD_ZERO (&fds); \
FD_SET (fd, &fds); \
while ((ret = pth_select (fd + 1, &fds, NULL, NULL, NULL)) < 0 \
&& errno == EINTR) \
; \
if (ret < 0) \
return -1; \
} \
\
while ((ret = recvmsg (fd, msg, flags)) == -1 && errno == EINTR) \
; \
return ret; \
} \
static int _assuan_pth_sendmsg (assuan_context_t ctx, assuan_fd_t fd, \
const assuan_msghdr_t msg, int flags) \
{ \
/* Pth does not provide a sendmsg function. We implement it. */ \
int ret; \
int fdmode; \
\
(void) ctx; \
fdmode = pth_fdmode (fd, PTH_FDMODE_POLL); \
if (fdmode == PTH_FDMODE_ERROR) \
{ \
errno = EBADF; \
return -1; \
} \
if (fdmode == PTH_FDMODE_BLOCK) \
{ \
fd_set fds; \
\
FD_ZERO (&fds); \
FD_SET (fd, &fds); \
while ((ret = pth_select (fd + 1, NULL, &fds, NULL, NULL)) < 0 \
&& errno == EINTR) \
; \
if (ret < 0) \
return -1; \
} \
\
while ((ret = sendmsg (fd, msg, flags)) == -1 && errno == EINTR) \
; \
return ret; \
} \
static pid_t _assuan_pth_waitpid (assuan_context_t ctx, pid_t pid, \
int nowait, int *status, int options) \
{ (void) ctx; \
if (!nowait) return pth_waitpid (pid, status, options); \
else return 0; } \
\
struct assuan_system_hooks _assuan_system_pth = \
{ ASSUAN_SYSTEM_HOOKS_VERSION, _assuan_pth_usleep, __assuan_pipe, \
__assuan_close, _assuan_pth_read, _assuan_pth_write, \
_assuan_pth_recvmsg, _assuan_pth_sendmsg, \
__assuan_spawn, _assuan_pth_waitpid, __assuan_socketpair, \
__assuan_socket, __assuan_connect }
extern struct assuan_system_hooks _assuan_system_pth;
#define ASSUAN_SYSTEM_PTH &_assuan_system_pth
/* Standard system hooks for nPth. */
#define ASSUAN_SYSTEM_NPTH_IMPL \
static void _assuan_npth_usleep (assuan_context_t ctx, unsigned int usec) \
{ npth_unprotect(); \
__assuan_usleep (ctx, usec); \
npth_protect(); } \
static ssize_t _assuan_npth_read (assuan_context_t ctx, assuan_fd_t fd, \
void *buffer, size_t size) \
{ ssize_t res; (void) ctx; npth_unprotect(); \
res = __assuan_read (ctx, fd, buffer, size); \
npth_protect(); return res; } \
static ssize_t _assuan_npth_write (assuan_context_t ctx, assuan_fd_t fd, \
const void *buffer, size_t size) \
{ ssize_t res; (void) ctx; npth_unprotect(); \
res = __assuan_write (ctx, fd, buffer, size); \
npth_protect(); return res; } \
static int _assuan_npth_recvmsg (assuan_context_t ctx, assuan_fd_t fd, \
assuan_msghdr_t msg, int flags) \
{ int res; (void) ctx; npth_unprotect(); \
res = __assuan_recvmsg (ctx, fd, msg, flags); \
npth_protect(); return res; } \
static int _assuan_npth_sendmsg (assuan_context_t ctx, assuan_fd_t fd, \
const assuan_msghdr_t msg, int flags) \
{ int res; (void) ctx; npth_unprotect(); \
res = __assuan_sendmsg (ctx, fd, msg, flags); \
npth_protect(); return res; } \
static pid_t _assuan_npth_waitpid (assuan_context_t ctx, pid_t pid, \
int nowait, int *status, int options) \
{ pid_t res; (void) ctx; npth_unprotect(); \
res = __assuan_waitpid (ctx, pid, nowait, status, options); \
npth_protect(); return res; } \
static int _assuan_npth_connect (assuan_context_t ctx, int sock, \
struct sockaddr *addr, socklen_t len)\
{ int res; npth_unprotect(); \
res = __assuan_connect (ctx, sock, addr, len); \
npth_protect(); return res; } \
static int _assuan_npth_close (assuan_context_t ctx, assuan_fd_t fd) \
{ int res; npth_unprotect(); \
res = __assuan_close (ctx, fd); \
npth_protect(); return res; } \
\
struct assuan_system_hooks _assuan_system_npth = \
{ ASSUAN_SYSTEM_HOOKS_VERSION, _assuan_npth_usleep, __assuan_pipe, \
_assuan_npth_close, _assuan_npth_read, _assuan_npth_write, \
_assuan_npth_recvmsg, _assuan_npth_sendmsg, \
__assuan_spawn, _assuan_npth_waitpid, __assuan_socketpair, \
__assuan_socket, _assuan_npth_connect }
extern struct assuan_system_hooks _assuan_system_npth;
#define ASSUAN_SYSTEM_NPTH &_assuan_system_npth
#ifdef __cplusplus
}
#endif
#endif /* ASSUAN_H */
/*
Local Variables:
buffer-read-only: t
End:
*/