include/local.h - manifest_repos/alsa-lib - Git at Google

 /*
  *  ALSA lib - local header file
  *  Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
  *
  *
  *   This library 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.
  *
  *   This program 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 library; if not, write to the Free Software
  *   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  *
  */

 #ifndef __LOCAL_H
 #define __LOCAL_H

 #include "config.h"

 #include <unistd.h>
 #include <stdio.h>
 #include <stdlib.h>
 #include <string.h>
 #include <fcntl.h>
 #include <assert.h>
 #ifdef HAVE_ENDIAN_H
 #include <endian.h>
 #elif defined(HAVE_SYS_ENDIAN_H)
 #include <sys/endian.h>
 #ifndef __BYTE_ORDER
 #define __BYTE_ORDER BYTE_ORDER
 #endif
 #ifndef __LITTLE_ENDIAN
 #define __LITTLE_ENDIAN LITTLE_ENDIAN
 #endif
 #ifndef __BIG_ENDIAN
 #define __BIG_ENDIAN BIG_ENDIAN
 #endif
 #else
 #error Header defining endianness not defined
 #endif
 #include <stdarg.h>
 #include <sys/poll.h>
 #include <sys/types.h>
 #include <errno.h>
 #include <linux/types.h>
 #include <linux/ioctl.h>

 #ifdef SUPPORT_RESMGR
 #include <resmgr.h>
 #endif
 #ifdef HAVE_LIBDL
 #include <dlfcn.h>
 #else
 #define RTLD_NOW	0
 #endif

 #if __BYTE_ORDER == __LITTLE_ENDIAN
 #define SND_LITTLE_ENDIAN
 #define SNDRV_LITTLE_ENDIAN
 #elif __BYTE_ORDER == __BIG_ENDIAN
 #define SND_BIG_ENDIAN
 #define SNDRV_BIG_ENDIAN
 #else
 #error "Unsupported endian..."
 #endif

 #define _snd_config_iterator list_head
 #define _snd_interval snd_interval
 #define _snd_pcm_info snd_pcm_info
 #define _snd_pcm_hw_params snd_pcm_hw_params
 #define _snd_pcm_sw_params snd_pcm_sw_params
 #define _snd_pcm_status snd_pcm_status

 #define _snd_ctl_card_info snd_ctl_card_info
 #define _snd_ctl_elem_id snd_ctl_elem_id
 #define _snd_ctl_elem_list snd_ctl_elem_list
 #define _snd_ctl_elem_info snd_ctl_elem_info
 #define _snd_ctl_elem_value snd_ctl_elem_value
 #define _snd_ctl_event snd_ctl_event

 #define _snd_rawmidi_info snd_rawmidi_info
 #define _snd_rawmidi_params snd_rawmidi_params
 #define _snd_rawmidi_status snd_rawmidi_status

 #define _snd_hwdep_info snd_hwdep_info
 #define _snd_hwdep_dsp_status snd_hwdep_dsp_status
 #define _snd_hwdep_dsp_image snd_hwdep_dsp_image

 #define _snd_seq_queue_tempo snd_seq_queue_tempo
 #define _snd_seq_client_info snd_seq_client_info
 #define _snd_seq_port_info snd_seq_port_info
 #define _snd_seq_system_info snd_seq_system_info
 #define _snd_seq_queue_info snd_seq_queue_info
 #define _snd_seq_queue_status snd_seq_queue_status
 #define _snd_seq_queue_timer snd_seq_queue_timer
 #define _snd_seq_port_subscribe snd_seq_port_subscribe
 #define _snd_seq_query_subscribe snd_seq_query_subs
 #define _snd_seq_client_pool snd_seq_client_pool
 #define _snd_seq_remove_events snd_seq_remove_events

 #define _snd_timer_id snd_timer_id
 #define _snd_timer_ginfo snd_timer_ginfo
 #define _snd_timer_gparams snd_timer_gparams
 #define _snd_timer_gstatus snd_timer_gstatus
 #define _snd_timer_select snd_timer_select
 #define _snd_timer_info snd_timer_info
 #define _snd_timer_params snd_timer_params
 #define _snd_timer_status snd_timer_status

 #define ALSA_LIBRARY_BUILD

 /* rename some types for avoiding conflicts with alsalib's definitions */
 #define snd_aes_iec958		sndrv_aes_iec958
 #define snd_pcm_uframes_t	sndrv_pcm_uframes_t
 #define snd_pcm_sframes_t	sndrv_pcm_sframes_t
 #define snd_pcm_access_t	sndrv_pcm_access_t
 #define snd_pcm_format_t	sndrv_pcm_format_t
 #define snd_pcm_subformat_t	sndrv_pcm_subformat_t
 #define snd_pcm_state_t		sndrv_pcm_state_t
 #define snd_interval		sndrv_interval
 #define snd_mask		sndrv_mask
 #define snd_ctl_elem_type_t	sndrv_ctl_elem_type_t
 #define snd_ctl_elem_iface_t	sndrv_ctl_elem_iface_t
 #define snd_ctl_tlv		sndrv_ctl_tlv

 /* kill and replace kernel-specific types */
 #ifndef __user
 #define __user
 #endif
 #ifndef __force
 #define __force
 #endif

 #include <sound/asound.h>

 /* take back superfluous renames; some can be kept as is */
 #undef snd_aes_iec958
 #undef snd_pcm_uframes_t
 #undef snd_pcm_sframes_t
 #undef snd_pcm_access_t
 #undef snd_pcm_format_t
 #undef snd_pcm_subformat_t
 #undef snd_pcm_state_t
 #undef snd_ctl_elem_type_t
 #undef snd_ctl_elem_iface_t

 #include <sound/asoundef.h>
 #include "alsa-symbols.h"
 #include "version.h"
 #include "global.h"
 #include "input.h"
 #include "output.h"
 #include "error.h"
 #include "conf.h"
 #include "pcm.h"
 #include "pcm_plugin.h"
 #include "rawmidi.h"
 #include "timer.h"
 #include "hwdep.h"
 #include "control.h"
 #include "mixer.h"
 #include "seq_event.h"
 #include "seq.h"

 /* rename some types for avoiding conflicts with alsalib's definitions */
 #define snd_seq_addr		sndrv_seq_addr
 #define snd_seq_tick_time_t	sndrv_seq_tick_time_t
 #define snd_seq_real_time	sndrv_seq_real_time
 #define snd_seq_timestamp	sndrv_seq_timestamp
 #define snd_seq_event_type_t	sndrv_seq_event_type_t
 #define snd_seq_event		sndrv_seq_event
 #define snd_seq_connect		sndrv_seq_connect
 #define snd_seq_ev_note		sndrv_seq_ev_note
 #define snd_seq_ev_ctrl		sndrv_seq_ev_ctrl
 #define snd_seq_ev_raw8		sndrv_seq_ev_raw8
 #define snd_seq_ev_raw32	sndrv_seq_ev_raw32
 #define snd_seq_ev_ext		sndrv_seq_ev_ext
 #define snd_seq_result		sndrv_seq_result
 #define snd_seq_queue_skew	sndrv_seq_queue_skew
 #define snd_seq_ev_queue_control	sndrv_seq_ev_queue_control
 #define snd_seq_client_t	sndrv_seq_client_t
 #define snd_seq_client_type_t	sndrv_seq_client_type_t

 #include <sound/asequencer.h>

 /* take back some renames */
 #undef snd_seq_client_t
 #undef snd_seq_client_type_t

 #include "seqmid.h"
 #include "seq_midi_event.h"
 #include "list.h"

 struct _snd_async_handler {
 	enum {
 		SND_ASYNC_HANDLER_GENERIC,
 		SND_ASYNC_HANDLER_CTL,
 		SND_ASYNC_HANDLER_PCM,
 		SND_ASYNC_HANDLER_TIMER,
 	} type;
 	int fd;
 	union {
 		snd_ctl_t *ctl;
 		snd_pcm_t *pcm;
 		snd_timer_t *timer;
 	} u;
 	snd_async_callback_t callback;
 	void *private_data;
 	struct list_head glist;
 	struct list_head hlist;
 };

 typedef enum _snd_set_mode {
 	SND_CHANGE,
 	SND_TRY,
 	SND_TEST,
 } snd_set_mode_t;

 size_t page_align(size_t size);
 size_t page_size(void);
 size_t page_ptr(size_t object_offset, size_t object_size, size_t *offset, size_t *mmap_offset);

 int safe_strtol(const char *str, long *val);

 int snd_send_fd(int sock, void *data, size_t len, int fd);
 int snd_receive_fd(int sock, void *data, size_t len, int *fd);

 /*
  * error messages
  */
 #ifndef NDEBUG
 #define CHECK_SANITY(x) x
 extern snd_lib_error_handler_t snd_err_msg;
 #define SNDMSG(args...) snd_err_msg(__FILE__, __LINE__, __FUNCTION__, 0, ##args)
 #define SYSMSG(args...) snd_err_msg(__FILE__, __LINE__, __FUNCTION__, errno, ##args)
 #else
 #define CHECK_SANITY(x) 0 /* not evaluated */
 #define SNDMSG(args...) /* nop */
 #define SYSMSG(args...) /* nop */
 #endif

 /*
  */
 #define HAVE_GNU_LD
 #define HAVE_ELF
 #define HAVE_ASM_PREVIOUS_DIRECTIVE

 /* Stolen from libc-symbols.h in GNU glibc */

 /* When a reference to SYMBOL is encountered, the linker will emit a
    warning message MSG.  */

 #define ASM_NAME(name) __SYMBOL_PREFIX name

 #ifdef HAVE_GNU_LD
 # ifdef HAVE_ELF

 /* We want the .gnu.warning.SYMBOL section to be unallocated.  */
 #  ifdef HAVE_ASM_PREVIOUS_DIRECTIVE
 #   define __make_section_unallocated(section_string)	\
   asm (".section " section_string "\n\t.previous");
 #  elif defined HAVE_ASM_POPSECTION_DIRECTIVE
 #   define __make_section_unallocated(section_string)	\
   asm (".pushsection " section_string "\n\t.popsection");
 #  else
 #   define __make_section_unallocated(section_string)
 #  endif

 /* Tacking on "\n\t#" to the section name makes gcc put it's bogus
    section attributes on what looks like a comment to the assembler.  */
 #  ifdef HAVE_SECTION_QUOTES
 #   define link_warning(symbol, msg) \
   __make_section_unallocated (".gnu.warning." ASM_NAME(#symbol)) \
   static const char __evoke_link_warning_##symbol[]	\
     __attribute__ ((section (".gnu.warning." ASM_NAME(#symbol) "\"\n\t#\""))) = msg;
 #  else
 #   define link_warning(symbol, msg) \
   __make_section_unallocated (".gnu.warning." ASM_NAME(#symbol)) \
   static const char __evoke_link_warning_##symbol[]	\
     __attribute__ ((section (".gnu.warning." ASM_NAME(#symbol) "\n\t#"))) = msg;
 #  endif
 # else
 #  define link_warning(symbol, msg)		\
   asm (".stabs \"" msg "\",30,0,0,0\n\t"	\
        ".stabs \"" ASM_NAME(#symbol) "\",1,0,0,0\n");
 # endif
 #else
 /* We will never be heard; they will all die horribly.  */
 # define link_warning(symbol, msg)
 #endif

 static inline int snd_open_device(const char *filename, int fmode)
 {
 	int fd;

 #ifdef O_CLOEXEC
 	fmode |= O_CLOEXEC;
 #endif
 	fd = open(filename, fmode);

 /* open with resmgr */
 #ifdef SUPPORT_RESMGR
 	if (fd < 0) {
 		if (errno == EAGAIN || errno == EBUSY)
 			return fd;
 		if (! access(filename, F_OK))
 			fd = rsm_open_device(filename, fmode);
 	}
 #endif
 	if (fd >= 0)
 		fcntl(fd, F_SETFD, FD_CLOEXEC);
 	return fd;
 }

 /* make local functions really local */
 #define snd_dlobj_cache_get \
 	snd1_dlobj_cache_get
 #define snd_dlobj_cache_put \
 	snd1_dlobj_cache_put
 #define snd_dlobj_cache_cleanup \
 	snd1_dlobj_cache_cleanup
 #define snd_config_set_hop \
 	snd1_config_set_hop
 #define snd_config_check_hop \
 	snd1_config_check_hop
 #define snd_config_search_alias_hooks \
 	snd1_config_search_alias_hooks

 /* dlobj cache */
 void *snd_dlobj_cache_get(const char *lib, const char *name, const char *version, int verbose);
 int snd_dlobj_cache_put(void *open_func);
 void snd_dlobj_cache_cleanup(void);

 /* for recursive checks */
 void snd_config_set_hop(snd_config_t *conf, int hop);
 int snd_config_check_hop(snd_config_t *conf);
 #define SND_CONF_MAX_HOPS	64

 int snd_config_search_alias_hooks(snd_config_t *config,
                                   const char *base, const char *key,
 				  snd_config_t **result);

 #endif
	/*
	* ALSA lib - local header file
	* Copyright (c) 2000 by Abramo Bagnara <abramo@alsa-project.org>
	*
	*
	* This library 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.
	*
	* This program 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 library; if not, write to the Free Software
	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
	*
	*/

	#ifndef __LOCAL_H
	#define __LOCAL_H

	#include "config.h"

	#include <unistd.h>
	#include <stdio.h>
	#include <stdlib.h>
	#include <string.h>
	#include <fcntl.h>
	#include <assert.h>
	#ifdef HAVE_ENDIAN_H
	#include <endian.h>
	#elif defined(HAVE_SYS_ENDIAN_H)
	#include <sys/endian.h>
	#ifndef __BYTE_ORDER
	#define __BYTE_ORDER BYTE_ORDER
	#endif
	#ifndef __LITTLE_ENDIAN
	#define __LITTLE_ENDIAN LITTLE_ENDIAN
	#endif
	#ifndef __BIG_ENDIAN
	#define __BIG_ENDIAN BIG_ENDIAN
	#endif
	#else
	#error Header defining endianness not defined
	#endif
	#include <stdarg.h>
	#include <sys/poll.h>
	#include <sys/types.h>
	#include <errno.h>
	#include <linux/types.h>
	#include <linux/ioctl.h>

	#ifdef SUPPORT_RESMGR
	#include <resmgr.h>
	#endif
	#ifdef HAVE_LIBDL
	#include <dlfcn.h>
	#else
	#define RTLD_NOW 0
	#endif

	#if __BYTE_ORDER == __LITTLE_ENDIAN
	#define SND_LITTLE_ENDIAN
	#define SNDRV_LITTLE_ENDIAN
	#elif __BYTE_ORDER == __BIG_ENDIAN
	#define SND_BIG_ENDIAN
	#define SNDRV_BIG_ENDIAN
	#else
	#error "Unsupported endian..."
	#endif

	#define _snd_config_iterator list_head
	#define _snd_interval snd_interval
	#define _snd_pcm_info snd_pcm_info
	#define _snd_pcm_hw_params snd_pcm_hw_params
	#define _snd_pcm_sw_params snd_pcm_sw_params
	#define _snd_pcm_status snd_pcm_status

	#define _snd_ctl_card_info snd_ctl_card_info
	#define _snd_ctl_elem_id snd_ctl_elem_id
	#define _snd_ctl_elem_list snd_ctl_elem_list
	#define _snd_ctl_elem_info snd_ctl_elem_info
	#define _snd_ctl_elem_value snd_ctl_elem_value
	#define _snd_ctl_event snd_ctl_event

	#define _snd_rawmidi_info snd_rawmidi_info
	#define _snd_rawmidi_params snd_rawmidi_params
	#define _snd_rawmidi_status snd_rawmidi_status

	#define _snd_hwdep_info snd_hwdep_info
	#define _snd_hwdep_dsp_status snd_hwdep_dsp_status
	#define _snd_hwdep_dsp_image snd_hwdep_dsp_image

	#define _snd_seq_queue_tempo snd_seq_queue_tempo
	#define _snd_seq_client_info snd_seq_client_info
	#define _snd_seq_port_info snd_seq_port_info
	#define _snd_seq_system_info snd_seq_system_info
	#define _snd_seq_queue_info snd_seq_queue_info
	#define _snd_seq_queue_status snd_seq_queue_status
	#define _snd_seq_queue_timer snd_seq_queue_timer
	#define _snd_seq_port_subscribe snd_seq_port_subscribe
	#define _snd_seq_query_subscribe snd_seq_query_subs
	#define _snd_seq_client_pool snd_seq_client_pool
	#define _snd_seq_remove_events snd_seq_remove_events

	#define _snd_timer_id snd_timer_id
	#define _snd_timer_ginfo snd_timer_ginfo
	#define _snd_timer_gparams snd_timer_gparams
	#define _snd_timer_gstatus snd_timer_gstatus
	#define _snd_timer_select snd_timer_select
	#define _snd_timer_info snd_timer_info
	#define _snd_timer_params snd_timer_params
	#define _snd_timer_status snd_timer_status

	#define ALSA_LIBRARY_BUILD

	/* rename some types for avoiding conflicts with alsalib's definitions */
	#define snd_aes_iec958 sndrv_aes_iec958
	#define snd_pcm_uframes_t sndrv_pcm_uframes_t
	#define snd_pcm_sframes_t sndrv_pcm_sframes_t
	#define snd_pcm_access_t sndrv_pcm_access_t
	#define snd_pcm_format_t sndrv_pcm_format_t
	#define snd_pcm_subformat_t sndrv_pcm_subformat_t
	#define snd_pcm_state_t sndrv_pcm_state_t
	#define snd_interval sndrv_interval
	#define snd_mask sndrv_mask
	#define snd_ctl_elem_type_t sndrv_ctl_elem_type_t
	#define snd_ctl_elem_iface_t sndrv_ctl_elem_iface_t
	#define snd_ctl_tlv sndrv_ctl_tlv

	/* kill and replace kernel-specific types */
	#ifndef __user
	#define __user
	#endif
	#ifndef __force
	#define __force
	#endif

	#include <sound/asound.h>

	/* take back superfluous renames; some can be kept as is */
	#undef snd_aes_iec958
	#undef snd_pcm_uframes_t
	#undef snd_pcm_sframes_t
	#undef snd_pcm_access_t
	#undef snd_pcm_format_t
	#undef snd_pcm_subformat_t
	#undef snd_pcm_state_t
	#undef snd_ctl_elem_type_t
	#undef snd_ctl_elem_iface_t

	#include <sound/asoundef.h>
	#include "alsa-symbols.h"
	#include "version.h"
	#include "global.h"
	#include "input.h"
	#include "output.h"
	#include "error.h"
	#include "conf.h"
	#include "pcm.h"
	#include "pcm_plugin.h"
	#include "rawmidi.h"
	#include "timer.h"
	#include "hwdep.h"
	#include "control.h"
	#include "mixer.h"
	#include "seq_event.h"
	#include "seq.h"

	/* rename some types for avoiding conflicts with alsalib's definitions */
	#define snd_seq_addr sndrv_seq_addr
	#define snd_seq_tick_time_t sndrv_seq_tick_time_t
	#define snd_seq_real_time sndrv_seq_real_time
	#define snd_seq_timestamp sndrv_seq_timestamp
	#define snd_seq_event_type_t sndrv_seq_event_type_t
	#define snd_seq_event sndrv_seq_event
	#define snd_seq_connect sndrv_seq_connect
	#define snd_seq_ev_note sndrv_seq_ev_note
	#define snd_seq_ev_ctrl sndrv_seq_ev_ctrl
	#define snd_seq_ev_raw8 sndrv_seq_ev_raw8
	#define snd_seq_ev_raw32 sndrv_seq_ev_raw32
	#define snd_seq_ev_ext sndrv_seq_ev_ext
	#define snd_seq_result sndrv_seq_result
	#define snd_seq_queue_skew sndrv_seq_queue_skew
	#define snd_seq_ev_queue_control sndrv_seq_ev_queue_control
	#define snd_seq_client_t sndrv_seq_client_t
	#define snd_seq_client_type_t sndrv_seq_client_type_t

	#include <sound/asequencer.h>

	/* take back some renames */
	#undef snd_seq_client_t
	#undef snd_seq_client_type_t

	#include "seqmid.h"
	#include "seq_midi_event.h"
	#include "list.h"

	struct _snd_async_handler {
	enum {
	SND_ASYNC_HANDLER_GENERIC,
	SND_ASYNC_HANDLER_CTL,
	SND_ASYNC_HANDLER_PCM,
	SND_ASYNC_HANDLER_TIMER,
	} type;
	int fd;
	union {
	snd_ctl_t *ctl;
	snd_pcm_t *pcm;
	snd_timer_t *timer;
	} u;
	snd_async_callback_t callback;
	void *private_data;
	struct list_head glist;
	struct list_head hlist;
	};

	typedef enum _snd_set_mode {
	SND_CHANGE,
	SND_TRY,
	SND_TEST,
	} snd_set_mode_t;

	size_t page_align(size_t size);
	size_t page_size(void);
	size_t page_ptr(size_t object_offset, size_t object_size, size_t offset, size_t mmap_offset);

	int safe_strtol(const char str, long val);

	int snd_send_fd(int sock, void *data, size_t len, int fd);
	int snd_receive_fd(int sock, void data, size_t len, int fd);

	/*
	* error messages
	*/
	#ifndef NDEBUG
	#define CHECK_SANITY(x) x
	extern snd_lib_error_handler_t snd_err_msg;
	#define SNDMSG(args...) snd_err_msg(__FILE__, __LINE__, __FUNCTION__, 0, ##args)
	#define SYSMSG(args...) snd_err_msg(__FILE__, __LINE__, __FUNCTION__, errno, ##args)
	#else
	#define CHECK_SANITY(x) 0 /* not evaluated */
	#define SNDMSG(args...) /* nop */
	#define SYSMSG(args...) /* nop */
	#endif

	/*
	*/
	#define HAVE_GNU_LD
	#define HAVE_ELF
	#define HAVE_ASM_PREVIOUS_DIRECTIVE

	/* Stolen from libc-symbols.h in GNU glibc */

	/* When a reference to SYMBOL is encountered, the linker will emit a
	warning message MSG. */

	#define ASM_NAME(name) __SYMBOL_PREFIX name

	#ifdef HAVE_GNU_LD
	# ifdef HAVE_ELF

	/* We want the .gnu.warning.SYMBOL section to be unallocated. */
	# ifdef HAVE_ASM_PREVIOUS_DIRECTIVE
	# define __make_section_unallocated(section_string) \
	asm (".section " section_string "\n\t.previous");
	# elif defined HAVE_ASM_POPSECTION_DIRECTIVE
	# define __make_section_unallocated(section_string) \
	asm (".pushsection " section_string "\n\t.popsection");
	# else
	# define __make_section_unallocated(section_string)
	# endif

	/* Tacking on "\n\t#" to the section name makes gcc put it's bogus
	section attributes on what looks like a comment to the assembler. */
	# ifdef HAVE_SECTION_QUOTES
	# define link_warning(symbol, msg) \
	__make_section_unallocated (".gnu.warning." ASM_NAME(#symbol)) \
	static const char __evoke_link_warning_##symbol[] \
	__attribute__ ((section (".gnu.warning." ASM_NAME(#symbol) "\"\n\t#\""))) = msg;
	# else
	# define link_warning(symbol, msg) \
	__make_section_unallocated (".gnu.warning." ASM_NAME(#symbol)) \
	static const char __evoke_link_warning_##symbol[] \
	__attribute__ ((section (".gnu.warning." ASM_NAME(#symbol) "\n\t#"))) = msg;
	# endif
	# else
	# define link_warning(symbol, msg) \
	asm (".stabs \"" msg "\",30,0,0,0\n\t" \
	".stabs \"" ASM_NAME(#symbol) "\",1,0,0,0\n");
	# endif
	#else
	/* We will never be heard; they will all die horribly. */
	# define link_warning(symbol, msg)
	#endif

	static inline int snd_open_device(const char *filename, int fmode)
	{
	int fd;

	#ifdef O_CLOEXEC
	fmode \|= O_CLOEXEC;
	#endif
	fd = open(filename, fmode);

	/* open with resmgr */
	#ifdef SUPPORT_RESMGR
	if (fd < 0) {
	if (errno == EAGAIN \|\| errno == EBUSY)
	return fd;
	if (! access(filename, F_OK))
	fd = rsm_open_device(filename, fmode);
	}
	#endif
	if (fd >= 0)
	fcntl(fd, F_SETFD, FD_CLOEXEC);
	return fd;
	}

	/* make local functions really local */
	#define snd_dlobj_cache_get \
	snd1_dlobj_cache_get
	#define snd_dlobj_cache_put \
	snd1_dlobj_cache_put
	#define snd_dlobj_cache_cleanup \
	snd1_dlobj_cache_cleanup
	#define snd_config_set_hop \
	snd1_config_set_hop
	#define snd_config_check_hop \
	snd1_config_check_hop
	#define snd_config_search_alias_hooks \
	snd1_config_search_alias_hooks

	/* dlobj cache */
	void snd_dlobj_cache_get(const char lib, const char name, const char version, int verbose);
	int snd_dlobj_cache_put(void *open_func);
	void snd_dlobj_cache_cleanup(void);

	/* for recursive checks */
	void snd_config_set_hop(snd_config_t *conf, int hop);
	int snd_config_check_hop(snd_config_t *conf);
	#define SND_CONF_MAX_HOPS 64

	int snd_config_search_alias_hooks(snd_config_t *config,
	const char base, const char key,
	snd_config_t **result);

	#endif