This file is indexed.

/usr/include/alsa/global.h is in liboss4-salsa-dev 4.2-build2005-2ubuntu1.

This file is owned by root:root, with mode 0o644.

The actual contents of the file can be viewed below.

  1
  2
  3
  4
  5
  6
  7
  8
  9
 10
 11
 12
 13
 14
 15
 16
 17
 18
 19
 20
 21
 22
 23
 24
 25
 26
 27
 28
 29
 30
 31
 32
 33
 34
 35
 36
 37
 38
 39
 40
 41
 42
 43
 44
 45
 46
 47
 48
 49
 50
 51
 52
 53
 54
 55
 56
 57
 58
 59
 60
 61
 62
 63
 64
 65
 66
 67
 68
 69
 70
 71
 72
 73
 74
 75
 76
 77
 78
 79
 80
 81
 82
 83
 84
 85
 86
 87
 88
 89
 90
 91
 92
 93
 94
 95
 96
 97
 98
 99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
/**
 * \file <alsa/global.h>
 * \brief Application interface library for the ALSA driver
 * \author Jaroslav Kysela <perex@suse.cz>
 * \author Abramo Bagnara <abramo@alsa-project.org>
 * \author Takashi Iwai <tiwai@suse.de>
 * \date 1998-2001
 *
 * Application interface library for the ALSA driver
 *
 *
 *   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 __ALSA_GLOBAL_H_
#define __ALSA_GLOBAL_H_

#ifdef __cplusplus
extern "C" {
#endif

/**
 *  \defgroup Global Global defines and functions
 *  Global defines and functions.
 *  \par
 *  The ALSA library implementation uses these macros and functions.
 *  Most applications probably do not need them.
 *  \{
 */

const char *snd_asoundlib_version(void);

#ifndef ATTRIBUTE_UNUSED
/** do not print warning (gcc) when function parameter is not used */
#define ATTRIBUTE_UNUSED __attribute__ ((__unused__))
#endif

#ifdef PIC /* dynamic build */

/** \hideinitializer \brief Helper macro for #SND_DLSYM_BUILD_VERSION. */
#define __SND_DLSYM_VERSION(name, version) _ ## name ## version
/**
 * \hideinitializer
 * \brief Appends the build version to the name of a versioned dynamic symbol.
 */
#define SND_DLSYM_BUILD_VERSION(name, version) char __SND_DLSYM_VERSION(name, version);

#else /* static build */

struct snd_dlsym_link {
	struct snd_dlsym_link *next;
	const char *dlsym_name;
	const void *dlsym_ptr;
};

extern struct snd_dlsym_link *snd_dlsym_start;

/** \hideinitializer \brief Helper macro for #SND_DLSYM_BUILD_VERSION. */
#define __SND_DLSYM_VERSION(prefix, name, version) _ ## prefix ## name ## version
/**
 * \hideinitializer
 * \brief Appends the build version to the name of a versioned dynamic symbol.
 */
#define SND_DLSYM_BUILD_VERSION(name, version) \
  static struct snd_dlsym_link __SND_DLSYM_VERSION(snd_dlsym_, name, version); \
  void __SND_DLSYM_VERSION(snd_dlsym_constructor_, name, version) (void) __attribute__ ((constructor)); \
  void __SND_DLSYM_VERSION(snd_dlsym_constructor_, name, version) (void) { \
    __SND_DLSYM_VERSION(snd_dlsym_, name, version).next = snd_dlsym_start; \
    __SND_DLSYM_VERSION(snd_dlsym_, name, version).dlsym_name = # name; \
    __SND_DLSYM_VERSION(snd_dlsym_, name, version).dlsym_ptr = (void *)&name; \
    snd_dlsym_start = &__SND_DLSYM_VERSION(snd_dlsym_, name, version); \
  }

#endif

#ifndef __STRING
/** \brief Return 'x' argument as string */
#define __STRING(x)     #x
#endif

/** \brief Returns the version of a dynamic symbol as a string. */
#define SND_DLSYM_VERSION(version) __STRING(version)

void *snd_dlopen(const char *file, int mode);
void *snd_dlsym(void *handle, const char *name, const char *version);
int snd_dlclose(void *handle);


/**
 * \brief Internal structure for an async notification client handler.
 *
 * The ALSA library uses a pointer to this structure as a handle to an async
 * notification object. Applications don't access its contents directly.
 */
typedef struct _snd_async_handler snd_async_handler_t;

/**
 * \brief Async notification callback.
 *
 * See the #snd_async_add_handler function for details.
 */
typedef void (*snd_async_callback_t)(snd_async_handler_t *handler);

int snd_async_add_handler(snd_async_handler_t **handler, int fd, 
			  snd_async_callback_t callback, void *private_data);
int snd_async_del_handler(snd_async_handler_t *handler);
int snd_async_handler_get_fd(snd_async_handler_t *handler);
int snd_async_handler_get_signo(snd_async_handler_t *handler);
void *snd_async_handler_get_callback_private(snd_async_handler_t *handler);

struct snd_shm_area *snd_shm_area_create(int shmid, void *ptr);
struct snd_shm_area *snd_shm_area_share(struct snd_shm_area *area);
int snd_shm_area_destroy(struct snd_shm_area *area);

int snd_user_file(const char *file, char **result);

/** Timestamp */
typedef struct timeval snd_timestamp_t;
/** Hi-res timestamp */
typedef struct timespec snd_htimestamp_t;

/** \} */

#ifdef __cplusplus
}
#endif

#endif /* __ALSA_GLOBAL_H */