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Changes for static build.

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This commit is contained in:
Jaroslav Kysela 2001-10-24 14:14:11 +00:00
parent caa8d5372e
commit 27472b56a6
44 changed files with 362 additions and 158 deletions
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13
INSTALL
View file

@ -34,4 +34,15 @@ For compilation you can use these commands:
make
Note: Some automake packages have missing aclocal program. Use newer version
in this case.
in the case.
Compilation of static library
-----------------------------
If you would like to use the static ALSA library, you need to use these
options for the configure script:
./configure --enable-shared=no --enable-static=yes
Unfortunately, due to bug in the libtool script, the shared and static
library cannot be built together.

2
doc/doxygen.cfg
View file

@ -30,6 +30,6 @@ SHOW_INCLUDE_FILES = NO
JAVADOC_AUTOBRIEF = NO
INHERIT_DOCS = YES
ENABLED_SECTIONS = ""
PREDEFINED = "DOC_HIDDEN"
PREDEFINED = PIC "DOC_HIDDEN"
OPTIMIZE_OUTPUT_FOR_C = YES # doxygen 1.2.6 option

39
include/global.h
View file

@ -38,14 +38,45 @@
#define ATTRIBUTE_UNUSED __attribute__ ((__unused__)) /**< don't print warning when attribute is not used */
#endif
/** helper macro for SND_DLSYM_BUILD_VERSION */
#ifdef PIC /* dynamic build */
/** helper macro for SND_DLSYM_BUILD_VERSION \hideinitializer */
#define __SND_DLSYM_VERSION(name, version) _ ## name ## version
/** build version for versioned dynamic symbol */
#define SND_DLSYM_BUILD_VERSION(name, version) char __SND_DLSYM_VERSION(name, version)
/** build version for versioned dynamic symbol \hideinitializer */
#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;
/** helper macro for SND_DLSYM_BUILD_VERSION \hideinitializer */
#define __SND_DLSYM_VERSION(prefix, name, version) _ ## prefix ## name ## version
/** build version for versioned dynamic symbol \hideinitializer */
#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
/** get version of dynamic symbol as string */
#define SND_DLSYM_VERSION(version) __STRING(version)
int snd_dlsym_verify(void *handle, const char *name, const char *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);
/** Async notification client handler */
typedef struct _snd_async_handler snd_async_handler_t;

37
src/conf.c
View file

@ -31,8 +31,8 @@
#include <stdarg.h>
#include <wordexp.h>
#include <sys/stat.h>
#include <dlfcn.h>
#include <sys/stat.h>
#include "local.h"
#ifndef DOC_HIDDEN
@ -1801,17 +1801,15 @@ static int snd_config_hooks_call(snd_config_t *root, snd_config_t *config, void
buf[len-1] = '\0';
func_name = buf;
}
h = dlopen(lib, RTLD_NOW);
if ((err = snd_dlsym_verify(h, func_name, SND_DLSYM_VERSION(SND_CONFIG_DLSYM_VERSION_HOOK))) < 0)
goto _err;
func = h ? dlsym(h, func_name) : NULL;
h = snd_dlopen(lib, RTLD_NOW);
func = h ? snd_dlsym(h, func_name, SND_DLSYM_VERSION(SND_CONFIG_DLSYM_VERSION_HOOK)) : NULL;
err = 0;
if (!h) {
SNDERR("Cannot open shared library %s", lib);
err = -ENOENT;
} else if (!func) {
SNDERR("symbol %s is not defined inside %s", func_name, lib);
dlclose(h);
snd_dlclose(h);
err = -ENXIO;
}
_err:
@ -1822,7 +1820,7 @@ static int snd_config_hooks_call(snd_config_t *root, snd_config_t *config, void
err = func(root, config, &nroot, private_data);
if (err < 0)
SNDERR("function %s returned error: %s", func_name, snd_strerror(err));
dlclose(h);
snd_dlclose(h);
if (err >= 0 && nroot)
snd_config_substitute(root, nroot);
}
@ -1869,9 +1867,6 @@ static int snd_config_hooks(snd_config_t *config, void *private_data)
return err;
}
#ifndef DOC_HIDDEN
SND_DLSYM_BUILD_VERSION(snd_config_hook_load, SND_CONFIG_DLSYM_VERSION_HOOK);
#endif
/**
* \brief Load configuration from specified files
* \param root Configuration root node
@ -2001,14 +1996,14 @@ int snd_config_hook_load(snd_config_t *root, snd_config_t *config, snd_config_t
snd_config_delete(n);
return err;
}
#ifndef DOC_HIDDEN
SND_DLSYM_BUILD_VERSION(snd_config_hook_load, SND_CONFIG_DLSYM_VERSION_HOOK);
#endif
#ifndef DOC_HIDDEN
int snd_determine_driver(int card, char **driver);
#endif
#ifndef DOC_HIDDEN
SND_DLSYM_BUILD_VERSION(snd_config_hook_load_for_all_cards, SND_CONFIG_DLSYM_VERSION_HOOK);
#endif
/**
* \brief Load configuration for all present cards
* \param root Configuration root node
@ -2056,6 +2051,9 @@ int snd_config_hook_load_for_all_cards(snd_config_t *root, snd_config_t *config,
*dst = NULL;
return 0;
}
#ifndef DOC_HIDDEN
SND_DLSYM_BUILD_VERSION(snd_config_hook_load_for_all_cards, SND_CONFIG_DLSYM_VERSION_HOOK);
#endif
/**
* \brief Update #snd_config rereading (if needed) files specified in
@ -2510,19 +2508,16 @@ static int _snd_config_evaluate(snd_config_t *src,
buf[len-1] = '\0';
func_name = buf;
}
h = dlopen(lib, RTLD_NOW);
if (h) {
if ((err = snd_dlsym_verify(h, func_name, SND_DLSYM_VERSION(SND_CONFIG_DLSYM_VERSION_EVALUATE))) < 0)
goto _err;
func = dlsym(h, func_name);
}
h = snd_dlopen(lib, RTLD_NOW);
if (h)
func = snd_dlsym(h, func_name, SND_DLSYM_VERSION(SND_CONFIG_DLSYM_VERSION_EVALUATE));
err = 0;
if (!h) {
SNDERR("Cannot open shared library %s", lib);
return -ENOENT;
} else if (!func) {
SNDERR("symbol %s is not defined inside %s", func_name, lib);
dlclose(h);
snd_dlclose(h);
return -ENXIO;
}
_err:
@ -2533,7 +2528,7 @@ static int _snd_config_evaluate(snd_config_t *src,
err = func(&eval, root, src, private_data);
if (err < 0)
SNDERR("function %s returned error: %s", func_name, snd_strerror(err));
dlclose(h);
snd_dlclose(h);
if (err >= 0 && eval)
snd_config_substitute(src, eval);
}

22
src/confmisc.c
View file

@ -142,7 +142,6 @@ int snd_config_get_ctl_iface(snd_config_t *conf)
* Helper functions for the configuration file
*/
SND_DLSYM_BUILD_VERSION(snd_func_getenv, SND_CONFIG_DLSYM_VERSION_EVALUATE);
int snd_func_getenv(snd_config_t **dst, snd_config_t *root, snd_config_t *src, void *private_data)
{
snd_config_t *n, *d;
@ -220,8 +219,8 @@ int snd_func_getenv(snd_config_t **dst, snd_config_t *root, snd_config_t *src, v
free(def);
return err;
}
SND_DLSYM_BUILD_VERSION(snd_func_getenv, SND_CONFIG_DLSYM_VERSION_EVALUATE);
SND_DLSYM_BUILD_VERSION(snd_func_igetenv, SND_CONFIG_DLSYM_VERSION_EVALUATE);
int snd_func_igetenv(snd_config_t **dst, snd_config_t *root, snd_config_t *src, void *private_data)
{
snd_config_t *d;
@ -246,8 +245,8 @@ int snd_func_igetenv(snd_config_t **dst, snd_config_t *root, snd_config_t *src,
_end:
return err;
}
SND_DLSYM_BUILD_VERSION(snd_func_igetenv, SND_CONFIG_DLSYM_VERSION_EVALUATE);
SND_DLSYM_BUILD_VERSION(snd_func_concat, SND_CONFIG_DLSYM_VERSION_EVALUATE);
int snd_func_concat(snd_config_t **dst, snd_config_t *root, snd_config_t *src, void *private_data)
{
snd_config_t *n;
@ -311,8 +310,8 @@ int snd_func_concat(snd_config_t **dst, snd_config_t *root, snd_config_t *src, v
__error:
return err;
}
SND_DLSYM_BUILD_VERSION(snd_func_concat, SND_CONFIG_DLSYM_VERSION_EVALUATE);
SND_DLSYM_BUILD_VERSION(snd_func_datadir, SND_CONFIG_DLSYM_VERSION_EVALUATE);
int snd_func_datadir(snd_config_t **dst, snd_config_t *root ATTRIBUTE_UNUSED,
snd_config_t *src, void *private_data ATTRIBUTE_UNUSED)
{
@ -321,6 +320,7 @@ int snd_func_datadir(snd_config_t **dst, snd_config_t *root ATTRIBUTE_UNUSED,
err = snd_config_set_string(*dst, DATADIR "/alsa");
return 0;
}
SND_DLSYM_BUILD_VERSION(snd_func_datadir, SND_CONFIG_DLSYM_VERSION_EVALUATE);
static int open_ctl(long card, snd_ctl_t **ctl)
{
@ -344,7 +344,6 @@ static int string_from_integer(char **dst, long v)
}
#endif
SND_DLSYM_BUILD_VERSION(snd_func_private_string, SND_CONFIG_DLSYM_VERSION_EVALUATE);
int snd_func_private_string(snd_config_t **dst, snd_config_t *root ATTRIBUTE_UNUSED, snd_config_t *src, void *private_data)
{
int err;
@ -356,6 +355,7 @@ int snd_func_private_string(snd_config_t **dst, snd_config_t *root ATTRIBUTE_UNU
err = snd_config_set_string(*dst, (char *)private_data);
return err;
}
SND_DLSYM_BUILD_VERSION(snd_func_private_string, SND_CONFIG_DLSYM_VERSION_EVALUATE);
int snd_determine_driver(int card, char **driver)
{
@ -389,7 +389,6 @@ int snd_determine_driver(int card, char **driver)
return err;
}
SND_DLSYM_BUILD_VERSION(snd_func_private_card_strtype, SND_CONFIG_DLSYM_VERSION_EVALUATE);
int snd_func_private_card_strtype(snd_config_t **dst, snd_config_t *root ATTRIBUTE_UNUSED, snd_config_t *src, void *private_data)
{
char *driver;
@ -403,8 +402,8 @@ int snd_func_private_card_strtype(snd_config_t **dst, snd_config_t *root ATTRIBU
free(driver);
return err;
}
SND_DLSYM_BUILD_VERSION(snd_func_private_card_strtype, SND_CONFIG_DLSYM_VERSION_EVALUATE);
SND_DLSYM_BUILD_VERSION(snd_func_card_strtype, SND_CONFIG_DLSYM_VERSION_EVALUATE);
int snd_func_card_strtype(snd_config_t **dst, snd_config_t *root, snd_config_t *src, void *private_data)
{
snd_config_t *n;
@ -436,8 +435,8 @@ int snd_func_card_strtype(snd_config_t **dst, snd_config_t *root, snd_config_t *
free(str);
return snd_func_private_card_strtype(dst, root, src, (void *)v);
}
SND_DLSYM_BUILD_VERSION(snd_func_card_strtype, SND_CONFIG_DLSYM_VERSION_EVALUATE);
SND_DLSYM_BUILD_VERSION(snd_func_card_id, SND_CONFIG_DLSYM_VERSION_EVALUATE);
int snd_func_card_id(snd_config_t **dst, snd_config_t *root, snd_config_t *src, void *private_data)
{
snd_config_t *n;
@ -487,8 +486,8 @@ int snd_func_card_id(snd_config_t **dst, snd_config_t *root, snd_config_t *src,
snd_ctl_close(ctl);
return err;
}
SND_DLSYM_BUILD_VERSION(snd_func_card_id, SND_CONFIG_DLSYM_VERSION_EVALUATE);
SND_DLSYM_BUILD_VERSION(snd_func_pcm_id, SND_CONFIG_DLSYM_VERSION_EVALUATE);
int snd_func_pcm_id(snd_config_t **dst, snd_config_t *root, snd_config_t *src, void *private_data)
{
snd_config_t *n;
@ -560,8 +559,8 @@ int snd_func_pcm_id(snd_config_t **dst, snd_config_t *root, snd_config_t *src, v
snd_ctl_close(ctl);
return err;
}
SND_DLSYM_BUILD_VERSION(snd_func_pcm_id, SND_CONFIG_DLSYM_VERSION_EVALUATE);
SND_DLSYM_BUILD_VERSION(snd_func_private_pcm_subdevice, SND_CONFIG_DLSYM_VERSION_EVALUATE);
int snd_func_private_pcm_subdevice(snd_config_t **dst, snd_config_t *root ATTRIBUTE_UNUSED, snd_config_t *src, void *private_data)
{
char *res = NULL;
@ -585,8 +584,8 @@ int snd_func_private_pcm_subdevice(snd_config_t **dst, snd_config_t *root ATTRIB
free(res);
return err;
}
SND_DLSYM_BUILD_VERSION(snd_func_private_pcm_subdevice, SND_CONFIG_DLSYM_VERSION_EVALUATE);
SND_DLSYM_BUILD_VERSION(snd_func_refer, SND_CONFIG_DLSYM_VERSION_EVALUATE);
int snd_func_refer(snd_config_t **dst, snd_config_t *root, snd_config_t *src, void *private_data)
{
snd_config_t *n;
@ -645,3 +644,4 @@ int snd_func_refer(snd_config_t **dst, snd_config_t *root, snd_config_t *src, vo
_end:
return err;
}
SND_DLSYM_BUILD_VERSION(snd_func_refer, SND_CONFIG_DLSYM_VERSION_EVALUATE);

2
src/control/Makefile.am
View file

@ -2,7 +2,7 @@ EXTRA_LTLIBRARIES = libcontrol.la
libcontrol_la_SOURCES = cards.c hcontrol.c \
control.c control_hw.c control_shm.c \
setup.c
setup.c control_symbols.c
noinst_HEADERS = control_local.h

21
src/control/control.c
View file

@ -33,8 +33,8 @@
#include <unistd.h>
#include <string.h>
#include <fcntl.h>
#include <dlfcn.h>
#include <signal.h>
#include <dlfcn.h>
#include <sys/poll.h>
#include "control_local.h"
@ -475,6 +475,9 @@ static int snd_ctl_open_conf(snd_ctl_t **ctlp, const char *name,
snd_config_iterator_t i, next;
const char *lib = NULL, *open_name = NULL;
int (*open_func)(snd_ctl_t **, const char *, snd_config_t *, snd_config_t *, int) = NULL;
#ifndef PIC
extern void *snd_control_open_symbols(void);
#endif
void *h;
if (snd_config_get_type(ctl_conf) != SND_CONFIG_TYPE_COMPOUND) {
if (name)
@ -529,21 +532,19 @@ static int snd_ctl_open_conf(snd_ctl_t **ctlp, const char *name,
open_name = buf;
snprintf(buf, sizeof(buf), "_snd_ctl_%s_open", str);
}
h = dlopen(lib, RTLD_NOW);
if (h) {
if ((err = snd_dlsym_verify(h, open_name, SND_DLSYM_VERSION(SND_CONTROL_DLSYM_VERSION))) < 0) {
dlclose(h);
goto _err;
}
open_func = dlsym(h, open_name);
}
#ifndef PIC
snd_control_open_symbols();
#endif
h = snd_dlopen(lib, RTLD_NOW);
if (h)
open_func = snd_dlsym(h, open_name, SND_DLSYM_VERSION(SND_CONTROL_DLSYM_VERSION));
err = 0;
if (!h) {
SNDERR("Cannot open shared library %s", lib);
err = -ENOENT;
} if (!open_func) {
SNDERR("symbol %s is not defined inside %s", open_name, lib);
dlclose(h);
snd_dlclose(h);
err = -ENXIO;
}
_err:

8
src/control/control_hw.c
View file

@ -29,6 +29,11 @@
#include <sys/ioctl.h>
#include "control_local.h"
#ifndef PIC
/* entry for static linking */
const char *_snd_module_control_hw = "";
#endif
#ifndef F_SETSIG
#define F_SETSIG 10
#endif
@ -336,7 +341,6 @@ int snd_ctl_hw_open(snd_ctl_t **handle, const char *name, int card, int mode)
return 0;
}
SND_DLSYM_BUILD_VERSION(_snd_ctl_hw_open, SND_CONTROL_DLSYM_VERSION);
int _snd_ctl_hw_open(snd_ctl_t **handlep, char *name, snd_config_t *root ATTRIBUTE_UNUSED, snd_config_t *conf)
{
snd_config_iterator_t i, next;
@ -368,4 +372,4 @@ int _snd_ctl_hw_open(snd_ctl_t **handlep, char *name, snd_config_t *root ATTRIBU
return -EINVAL;
return snd_ctl_hw_open(handlep, name, card, 0);
}
SND_DLSYM_BUILD_VERSION(_snd_ctl_hw_open, SND_CONTROL_DLSYM_VERSION);

7
src/control/control_shm.c
View file

@ -35,6 +35,11 @@
#include <netdb.h>
#include "aserver.h"
#ifndef PIC
/* entry for static linking */
const char *_snd_module_control_shm = "";
#endif
typedef struct {
int socket;
volatile snd_ctl_shm_ctrl_t *ctrl;
@ -553,7 +558,6 @@ int snd_ctl_shm_open(snd_ctl_t **handlep, const char *name, const char *sockname
return result;
}
SND_DLSYM_BUILD_VERSION(_snd_ctl_shm_open, SND_CONTROL_DLSYM_VERSION);
int _snd_ctl_shm_open(snd_ctl_t **handlep, char *name, snd_config_t *root, snd_config_t *conf, int mode)
{
snd_config_iterator_t i, next;
@ -668,3 +672,4 @@ int _snd_ctl_shm_open(snd_ctl_t **handlep, char *name, snd_config_t *root, snd_c
snd_config_delete(sconfig);
return err;
}
SND_DLSYM_BUILD_VERSION(_snd_ctl_shm_open, SND_CONTROL_DLSYM_VERSION);

65
src/dlmisc.c
View file

@ -30,6 +30,41 @@
#include <dlfcn.h>
#include "local.h"
#ifndef DOC_HIDDEN
#ifndef PIC
struct snd_dlsym_link *snd_dlsym_start = NULL;
#endif
#endif
/**
* \brief Open the dynamic library, with ALSA extension
* \param name name, similar to dlopen
* \param mode mode, similar to dlopen
* \return pointer to handle
*/
void *snd_dlopen(const char *name, int mode)
{
#ifndef PIC
if (name == NULL)
return &snd_dlsym_start;
#endif
return dlopen(name, mode);
}
/**
* \brief Close the dynamic library, with ALSA extension
* \param handle handle, similar to dlclose
* \return zero if success, otherwise an error code
*/
int snd_dlclose(void *handle)
{
#ifndef PIC
if (handle == &snd_dlsym_start)
return 0;
#endif
return dlclose(handle);
}
/**
* \brief Verify dynamically loaded symbol
* \param handle dlopen handle
@ -37,7 +72,7 @@
* \param version version of symbol
* \return zero is success, otherwise a negative error code
*/
int snd_dlsym_verify(void *handle, const char *name, const char *version)
static int snd_dlsym_verify(void *handle, const char *name, const char *version)
{
int res;
char *vname;
@ -54,3 +89,31 @@ int snd_dlsym_verify(void *handle, const char *name, const char *version)
SNDERR("unable to verify version for symbol %s", name);
return res;
}
/**
* \brief Resolve the symbol, with ALSA extension
* \param handle handle, similar to dlsym
* \param name symbol name
* \param version symbol version
*/
void *snd_dlsym(void *handle, const char *name, const char *version)
{
int err;
#ifndef PIC
if (handle == &snd_dlsym_start) {
/* it's the funny part, we are looking for a symbol */
/* in a static library */
struct snd_dlsym_link *link = snd_dlsym_start;
while (link) {
if (!strcmp(name, link->dlsym_name))
return (void *)link->dlsym_ptr;
link = link->next;
}
return NULL;
}
#endif
err = snd_dlsym_verify(handle, name, version);
if (err < 0)
return NULL;
return dlsym(handle, name);
}

2
src/hwdep/Makefile.am
View file

@ -1,6 +1,6 @@
EXTRA_LTLIBRARIES=libhwdep.la
libhwdep_la_SOURCES = hwdep.c hwdep_hw.c
libhwdep_la_SOURCES = hwdep.c hwdep_hw.c hwdep_symbols.c
noinst_HEADERS = hwdep_local.h
all: libhwdep.la

19
src/hwdep/hwdep.c
View file

@ -48,6 +48,9 @@ static int snd_hwdep_open_conf(snd_hwdep_t **hwdep,
snd_config_iterator_t i, next;
const char *lib = NULL, *open_name = NULL;
int (*open_func)(snd_hwdep_t **, const char *, snd_config_t *, snd_config_t *, int) = NULL;
#ifndef PIC
extern void *snd_hwdep_open_symbols(void);
#endif
void *h;
if (snd_config_get_type(hwdep_conf) != SND_CONFIG_TYPE_COMPOUND) {
if (name)
@ -102,20 +105,18 @@ static int snd_hwdep_open_conf(snd_hwdep_t **hwdep,
open_name = buf;
snprintf(buf, sizeof(buf), "_snd_hwdep_%s_open", str);
}
h = dlopen(lib, RTLD_NOW);
if (h) {
if ((err = snd_dlsym_verify(h, open_name, SND_DLSYM_VERSION(SND_HWDEP_DLSYM_VERSION))) < 0) {
dlclose(h);
goto _err;
}
open_func = dlsym(h, open_name);
}
#ifndef PIC
snd_hwdep_open_symbols();
#endif
h = snd_dlopen(lib, RTLD_NOW);
if (h)
open_func = snd_dlsym(h, open_name, SND_DLSYM_VERSION(SND_HWDEP_DLSYM_VERSION));
if (!h) {
SNDERR("Cannot open shared library %s", lib);
err = -ENOENT;
} else if (!open_func) {
SNDERR("symbol %s is not defined inside %s", open_name, lib);
dlclose(h);
snd_dlclose(h);
err = -ENXIO;
}
_err:

7
src/hwdep/hwdep_hw.c
View file

@ -27,6 +27,11 @@
#include <sys/ioctl.h>
#include "hwdep_local.h"
#ifndef PIC
/* entry for static linking */
const char *_snd_module_hwdep_hw = "";
#endif
#define SNDRV_FILE_HWDEP "/dev/snd/hwC%iD%i"
#define SNDRV_HWDEP_VERSION_MAX SNDRV_PROTOCOL_VERSION(1, 0, 0)
@ -137,7 +142,6 @@ int snd_hwdep_hw_open(snd_hwdep_t **handle, const char *name, int card, int devi
return 0;
}
SND_DLSYM_BUILD_VERSION(_snd_hwdep_hw_open, SND_HWDEP_DLSYM_VERSION);
int _snd_hwdep_hw_open(snd_hwdep_t **hwdep, char *name,
snd_config_t *root ATTRIBUTE_UNUSED,
snd_config_t *conf, int mode)
@ -178,3 +182,4 @@ int _snd_hwdep_hw_open(snd_hwdep_t **hwdep, char *name,
return -EINVAL;
return snd_hwdep_hw_open(hwdep, name, card, device, mode);
}
SND_DLSYM_BUILD_VERSION(_snd_hwdep_hw_open, SND_HWDEP_DLSYM_VERSION);

2
src/pcm/Makefile.am
View file

@ -7,7 +7,7 @@ libpcm_la_SOURCES = atomic.c mask.c interval.c \
pcm_route.c pcm_mulaw.c pcm_alaw.c pcm_adpcm.c \
pcm_rate.c pcm_plug.c pcm_misc.c pcm_mmap.c pcm_multi.c \
pcm_shm.c pcm_file.c pcm_null.c pcm_share.c \
pcm_meter.c pcm_hooks.c
pcm_meter.c pcm_hooks.c pcm_symbols.c
noinst_HEADERS = atomic.h pcm_local.h pcm_plugin.h mask.h mask_inline.h \
interval.h interval_inline.h plugin_ops.h

22
src/pcm/pcm.c
View file

@ -38,12 +38,12 @@
#include <malloc.h>
#include <stdarg.h>
#include <signal.h>
#include <dlfcn.h>
#include <sys/ioctl.h>
#include <sys/poll.h>
#include <sys/shm.h>
#include <sys/mman.h>
#include <limits.h>
#include <dlfcn.h>
#include "pcm_local.h"
/**
@ -1027,6 +1027,9 @@ static int snd_pcm_open_conf(snd_pcm_t **pcmp, const char *name,
int (*open_func)(snd_pcm_t **, const char *,
snd_config_t *, snd_config_t *,
snd_pcm_stream_t, int) = NULL;
#ifndef PIC
extern void *snd_pcm_open_symbols(void);
#endif
void *h;
if (snd_config_get_type(pcm_conf) != SND_CONFIG_TYPE_COMPOUND) {
if (name)
@ -1081,21 +1084,19 @@ static int snd_pcm_open_conf(snd_pcm_t **pcmp, const char *name,
open_name = buf;
snprintf(buf, sizeof(buf), "_snd_pcm_%s_open", str);
}
h = dlopen(lib, RTLD_NOW);
if (h) {
if ((err = snd_dlsym_verify(h, open_name, SND_DLSYM_VERSION(SND_PCM_DLSYM_VERSION))) < 0) {
dlclose(h);
goto _err;
}
open_func = dlsym(h, open_name);
}
#ifndef PIC
snd_pcm_open_symbols(); /* this call is for static linking only */
#endif
h = snd_dlopen(lib, RTLD_NOW);
if (h)
open_func = snd_dlsym(h, open_name, SND_DLSYM_VERSION(SND_PCM_DLSYM_VERSION));
err = 0;
if (!h) {
SNDERR("Cannot open shared library %s", lib);
err = -ENOENT;
} else if (!open_func) {
SNDERR("symbol %s is not defined inside %s", open_name, lib);
dlclose(h);
snd_dlclose(h);
err = -ENXIO;
}
_err:
@ -1139,7 +1140,6 @@ int snd_pcm_open(snd_pcm_t **pcmp, const char *name,
}
#ifndef DOC_HIDDEN
int snd_pcm_new(snd_pcm_t **pcmp, snd_pcm_type_t type, const char *name,
snd_pcm_stream_t stream, int mode)
{

9
src/pcm/pcm_adpcm.c
View file

@ -51,6 +51,11 @@ IMA compatability project proceedings, Vol 2, Issue 2, May 1992.
#include "pcm_local.h"
#include "pcm_plugin.h"
#ifndef PIC
/* entry for static linking */
const char *_snd_module_pcm_adpcm = "";
#endif
typedef void (*adpcm_f)(const snd_pcm_channel_area_t *dst_areas,
snd_pcm_uframes_t dst_offset,
const snd_pcm_channel_area_t *src_areas,
@ -541,7 +546,6 @@ int snd_pcm_adpcm_open(snd_pcm_t **pcmp, const char *name, snd_pcm_format_t sfor
return 0;
}
SND_DLSYM_BUILD_VERSION(_snd_pcm_adpcm_open, SND_PCM_DLSYM_VERSION);
int _snd_pcm_adpcm_open(snd_pcm_t **pcmp, const char *name,
snd_config_t *root, snd_config_t *conf,
snd_pcm_stream_t stream, int mode)
@ -586,5 +590,4 @@ int _snd_pcm_adpcm_open(snd_pcm_t **pcmp, const char *name,
snd_pcm_close(spcm);
return err;
}
SND_DLSYM_BUILD_VERSION(_snd_pcm_adpcm_open, SND_PCM_DLSYM_VERSION);

9
src/pcm/pcm_alaw.c
View file

@ -23,6 +23,11 @@
#include "pcm_local.h"
#include "pcm_plugin.h"
#ifndef PIC
/* entry for static linking */
const char *_snd_module_pcm_alaw = "";
#endif
typedef void (*alaw_f)(const snd_pcm_channel_area_t *dst_areas,
snd_pcm_uframes_t dst_offset,
const snd_pcm_channel_area_t *src_areas,
@ -414,7 +419,6 @@ int snd_pcm_alaw_open(snd_pcm_t **pcmp, const char *name, snd_pcm_format_t sform
return 0;
}
SND_DLSYM_BUILD_VERSION(_snd_pcm_alaw_open, SND_PCM_DLSYM_VERSION);
int _snd_pcm_alaw_open(snd_pcm_t **pcmp, const char *name,
snd_config_t *root, snd_config_t *conf,
snd_pcm_stream_t stream, int mode)
@ -459,5 +463,4 @@ int _snd_pcm_alaw_open(snd_pcm_t **pcmp, const char *name,
snd_pcm_close(spcm);
return err;
}
SND_DLSYM_BUILD_VERSION(_snd_pcm_alaw_open, SND_PCM_DLSYM_VERSION);

8
src/pcm/pcm_copy.c
View file

@ -23,6 +23,11 @@
#include "pcm_local.h"
#include "pcm_plugin.h"
#ifndef PIC
/* entry for static linking */
const char *_snd_module_pcm_copy = "";
#endif
typedef struct {
/* This field need to be the first */
snd_pcm_plugin_t plug;
@ -184,7 +189,6 @@ int snd_pcm_copy_open(snd_pcm_t **pcmp, const char *name, snd_pcm_t *slave, int
return 0;
}
SND_DLSYM_BUILD_VERSION(_snd_pcm_copy_open, SND_PCM_DLSYM_VERSION);
int _snd_pcm_copy_open(snd_pcm_t **pcmp, const char *name,
snd_config_t *root, snd_config_t *conf,
snd_pcm_stream_t stream, int mode)
@ -221,4 +225,4 @@ int _snd_pcm_copy_open(snd_pcm_t **pcmp, const char *name,
snd_pcm_close(spcm);
return err;
}
SND_DLSYM_BUILD_VERSION(_snd_pcm_copy_open, SND_PCM_DLSYM_VERSION);

7
src/pcm/pcm_file.c
View file

@ -23,6 +23,11 @@
#include "pcm_local.h"
#include "pcm_plugin.h"
#ifndef PIC
/* entry for static linking */
const char *_snd_module_pcm_file = "";
#endif
typedef enum _snd_pcm_file_format {
SND_PCM_FILE_FORMAT_RAW
} snd_pcm_file_format_t;
@ -456,7 +461,6 @@ int snd_pcm_file_open(snd_pcm_t **pcmp, const char *name, const char *fname, int
return 0;
}
SND_DLSYM_BUILD_VERSION(_snd_pcm_file_open, SND_PCM_DLSYM_VERSION);
int _snd_pcm_file_open(snd_pcm_t **pcmp, const char *name,
snd_config_t *root, snd_config_t *conf,
snd_pcm_stream_t stream, int mode)
@ -520,3 +524,4 @@ int _snd_pcm_file_open(snd_pcm_t **pcmp, const char *name,
snd_pcm_close(spcm);
return err;
}
SND_DLSYM_BUILD_VERSION(_snd_pcm_file_open, SND_PCM_DLSYM_VERSION);

7
src/pcm/pcm_hooks.c
View file

@ -22,6 +22,11 @@
#include <dlfcn.h>
#include "pcm_local.h"
#ifndef PIC
/* entry for static linking */
const char *_snd_module_pcm_hooks = "";
#endif
#ifndef DOC_HIDDEN
struct _snd_pcm_hook {
snd_pcm_t *pcm;
@ -430,7 +435,6 @@ static int snd_pcm_hook_add_conf(snd_pcm_t *pcm, snd_config_t *root, snd_config_
return 0;
}
SND_DLSYM_BUILD_VERSION(_snd_pcm_hooks_open, SND_PCM_DLSYM_VERSION);
int _snd_pcm_hooks_open(snd_pcm_t **pcmp, const char *name,
snd_config_t *root, snd_config_t *conf,
snd_pcm_stream_t stream, int mode)
@ -499,6 +503,7 @@ int _snd_pcm_hooks_open(snd_pcm_t **pcmp, const char *name,
*pcmp = rpcm;
return 0;
}
SND_DLSYM_BUILD_VERSION(_snd_pcm_hooks_open, SND_PCM_DLSYM_VERSION);
#endif

8
src/pcm/pcm_hw.c
View file

@ -31,6 +31,11 @@
#include "pcm_local.h"
#include "../control/control_local.h"
#ifndef PIC
/* entry for static linking */
const char *_snd_module_pcm_hw = "";
#endif
#ifndef F_SETSIG
#define F_SETSIG 10
#endif
@ -654,7 +659,6 @@ int snd_pcm_hw_open(snd_pcm_t **pcmp, const char *name, int card, int device, in
return ret;
}
SND_DLSYM_BUILD_VERSION(_snd_pcm_hw_open, SND_PCM_DLSYM_VERSION);
int _snd_pcm_hw_open(snd_pcm_t **pcmp, const char *name,
snd_config_t *root ATTRIBUTE_UNUSED, snd_config_t *conf,
snd_pcm_stream_t stream, int mode)
@ -709,4 +713,4 @@ int _snd_pcm_hw_open(snd_pcm_t **pcmp, const char *name,
}
return snd_pcm_hw_open(pcmp, name, card, device, subdevice, stream, mode);
}
SND_DLSYM_BUILD_VERSION(_snd_pcm_hw_open, SND_PCM_DLSYM_VERSION);

9
src/pcm/pcm_linear.c
View file

@ -23,6 +23,11 @@
#include "pcm_local.h"
#include "pcm_plugin.h"
#ifndef PIC
/* entry for static linking */
const char *_snd_module_pcm_linear = "";
#endif
typedef struct {
/* This field need to be the first */
snd_pcm_plugin_t plug;
@ -319,7 +324,6 @@ int snd_pcm_linear_open(snd_pcm_t **pcmp, const char *name, snd_pcm_format_t sfo
return 0;
}
SND_DLSYM_BUILD_VERSION(_snd_pcm_linear_open, SND_PCM_DLSYM_VERSION);
int _snd_pcm_linear_open(snd_pcm_t **pcmp, const char *name,
snd_config_t *root, snd_config_t *conf,
snd_pcm_stream_t stream, int mode)
@ -363,5 +367,4 @@ int _snd_pcm_linear_open(snd_pcm_t **pcmp, const char *name,
snd_pcm_close(spcm);
return err;
}
SND_DLSYM_BUILD_VERSION(_snd_pcm_linear_open, SND_PCM_DLSYM_VERSION);

8
src/pcm/pcm_meter.c
View file

@ -34,6 +34,11 @@
#include "pcm_local.h"
#include "pcm_plugin.h"
#ifndef PIC
/* entry for static linking */
const char *_snd_module_pcm_meter = "";
#endif
#if defined(__sparc__) || defined(__ia64__) || defined(__mips__)
/* asm/atomic.h is unavailable on sparc and ia64 */
#define atomic_t int
@ -728,8 +733,6 @@ static int snd_pcm_meter_add_scope_conf(snd_pcm_t *pcm, const char *name,
return err >= 0 ? open_func(pcm, name, root, conf) : err;
}
SND_DLSYM_BUILD_VERSION(_snd_pcm_meter_open, SND_PCM_DLSYM_VERSION);
int _snd_pcm_meter_open(snd_pcm_t **pcmp, const char *name,
snd_config_t *root, snd_config_t *conf,
snd_pcm_stream_t stream, int mode)
@ -807,6 +810,7 @@ int _snd_pcm_meter_open(snd_pcm_t **pcmp, const char *name,
}
return 0;
}
SND_DLSYM_BUILD_VERSION(_snd_pcm_meter_open, SND_PCM_DLSYM_VERSION);
#endif

9
src/pcm/pcm_mulaw.c
View file

@ -23,6 +23,11 @@
#include "pcm_local.h"
#include "pcm_plugin.h"
#ifndef PIC
/* entry for static linking */
const char *_snd_module_pcm_mulaw = "";
#endif
typedef void (*mulaw_f)(const snd_pcm_channel_area_t *src_areas,
snd_pcm_uframes_t src_offset,
const snd_pcm_channel_area_t *dst_areas,
@ -429,7 +434,6 @@ int snd_pcm_mulaw_open(snd_pcm_t **pcmp, const char *name, snd_pcm_format_t sfor
return 0;
}
SND_DLSYM_BUILD_VERSION(_snd_pcm_mulaw_open, SND_PCM_DLSYM_VERSION);
int _snd_pcm_mulaw_open(snd_pcm_t **pcmp, const char *name,
snd_config_t *root, snd_config_t *conf,
snd_pcm_stream_t stream, int mode)
@ -474,5 +478,4 @@ int _snd_pcm_mulaw_open(snd_pcm_t **pcmp, const char *name,
snd_pcm_close(spcm);
return err;
}
SND_DLSYM_BUILD_VERSION(_snd_pcm_mulaw_open, SND_PCM_DLSYM_VERSION);

8
src/pcm/pcm_multi.c
View file

@ -26,6 +26,11 @@
#include <math.h>
#include "pcm_local.h"
#ifndef PIC
/* entry for static linking */
const char *_snd_module_pcm_multi = "";
#endif
typedef struct {
snd_pcm_t *pcm;
unsigned int channels_count;
@ -659,7 +664,6 @@ int snd_pcm_multi_open(snd_pcm_t **pcmp, const char *name,
return 0;
}
SND_DLSYM_BUILD_VERSION(_snd_pcm_multi_open, SND_PCM_DLSYM_VERSION);
int _snd_pcm_multi_open(snd_pcm_t **pcmp, const char *name,
snd_config_t *root, snd_config_t *conf,
snd_pcm_stream_t stream, int mode)
@ -863,4 +867,4 @@ _free:
free(channels_schannel);
return err;
}
SND_DLSYM_BUILD_VERSION(_snd_pcm_multi_open, SND_PCM_DLSYM_VERSION);

7
src/pcm/pcm_null.c
View file

@ -25,6 +25,11 @@
#include "pcm_local.h"
#include "pcm_plugin.h"
#ifndef PIC
/* entry for static linking */
const char *_snd_module_pcm_null = "";
#endif
typedef struct {
snd_timestamp_t trigger_tstamp;
snd_pcm_state_t state;
@ -364,7 +369,6 @@ int snd_pcm_null_open(snd_pcm_t **pcmp, const char *name, snd_pcm_stream_t strea
return 0;
}
SND_DLSYM_BUILD_VERSION(_snd_pcm_null_open, SND_PCM_DLSYM_VERSION);
int _snd_pcm_null_open(snd_pcm_t **pcmp, const char *name,
snd_config_t *conf,
snd_pcm_stream_t stream, int mode)
@ -380,3 +384,4 @@ int _snd_pcm_null_open(snd_pcm_t **pcmp, const char *name,
}
return snd_pcm_null_open(pcmp, name, stream, mode);
}
SND_DLSYM_BUILD_VERSION(_snd_pcm_null_open, SND_PCM_DLSYM_VERSION);

8
src/pcm/pcm_plug.c
View file

@ -22,6 +22,11 @@
#include "pcm_local.h"
#include "pcm_plugin.h"
#ifndef PIC
/* entry for static linking */
const char *_snd_module_pcm_plug = "";
#endif
enum snd_pcm_plug_route_policy {
PLUG_ROUTE_POLICY_NONE,
PLUG_ROUTE_POLICY_DEFAULT,
@ -788,7 +793,6 @@ int snd_pcm_plug_open(snd_pcm_t **pcmp,
#define MAX_CHANNELS 64
SND_DLSYM_BUILD_VERSION(_snd_pcm_plug_open, SND_PCM_DLSYM_VERSION);
int _snd_pcm_plug_open(snd_pcm_t **pcmp, const char *name,
snd_config_t *root, snd_config_t *conf,
snd_pcm_stream_t stream, int mode)
@ -872,4 +876,4 @@ int _snd_pcm_plug_open(snd_pcm_t **pcmp, const char *name,
snd_pcm_close(spcm);
return err;
}
SND_DLSYM_BUILD_VERSION(_snd_pcm_plug_open, SND_PCM_DLSYM_VERSION);

9
src/pcm/pcm_rate.c
View file

@ -24,6 +24,11 @@
#include "pcm_local.h"
#include "pcm_plugin.h"
#ifndef PIC
/* entry for static linking */
const char *_snd_module_pcm_rate = "";
#endif
#define DIV (1<<16)
typedef struct {
@ -528,7 +533,6 @@ int snd_pcm_rate_open(snd_pcm_t **pcmp, const char *name, snd_pcm_format_t sform
return 0;
}
SND_DLSYM_BUILD_VERSION(_snd_pcm_rate_open, SND_PCM_DLSYM_VERSION);
int _snd_pcm_rate_open(snd_pcm_t **pcmp, const char *name,
snd_config_t *root, snd_config_t *conf,
snd_pcm_stream_t stream, int mode)
@ -576,5 +580,4 @@ int _snd_pcm_rate_open(snd_pcm_t **pcmp, const char *name,
snd_pcm_close(spcm);
return err;
}
SND_DLSYM_BUILD_VERSION(_snd_pcm_rate_open, SND_PCM_DLSYM_VERSION);

9
src/pcm/pcm_route.c
View file

@ -24,6 +24,11 @@
#include "pcm_local.h"
#include "pcm_plugin.h"
#ifndef PIC
/* entry for static linking */
const char *_snd_module_pcm_route = "";
#endif
/* The best possible hack to support missing optimization in gcc 2.7.2.3 */
#if ROUTE_PLUGIN_RESOLUTION & (ROUTE_PLUGIN_RESOLUTION - 1) != 0
#define div(a) a /= ROUTE_PLUGIN_RESOLUTION
@ -833,7 +838,6 @@ int snd_pcm_route_load_ttable(snd_config_t *tt, snd_pcm_route_ttable_entry_t *tt
#define MAX_CHANNELS 32
SND_DLSYM_BUILD_VERSION(_snd_pcm_route_open, SND_PCM_DLSYM_VERSION);
int _snd_pcm_route_open(snd_pcm_t **pcmp, const char *name,
snd_config_t *root, snd_config_t *conf,
snd_pcm_stream_t stream, int mode)
@ -906,5 +910,4 @@ int _snd_pcm_route_open(snd_pcm_t **pcmp, const char *name,
snd_pcm_close(spcm);
return err;
}
SND_DLSYM_BUILD_VERSION(_snd_pcm_route_open, SND_PCM_DLSYM_VERSION);

6
src/pcm/pcm_share.c
View file

@ -32,6 +32,10 @@
#include <pthread.h>
#include "pcm_local.h"
#ifndef PIC
/* entry for static linking */
const char *_snd_module_pcm_share = "";
#endif
static LIST_HEAD(snd_pcm_share_slaves);
static pthread_mutex_t snd_pcm_share_slaves_mutex = PTHREAD_MUTEX_INITIALIZER;
@ -1365,7 +1369,6 @@ int snd_pcm_share_open(snd_pcm_t **pcmp, const char *name, const char *sname,
return 0;
}
SND_DLSYM_BUILD_VERSION(_snd_pcm_share_open, SND_PCM_DLSYM_VERSION);
int _snd_pcm_share_open(snd_pcm_t **pcmp, const char *name,
snd_config_t *root, snd_config_t *conf,
snd_pcm_stream_t stream, int mode)
@ -1478,3 +1481,4 @@ _free:
free(channels_map);
return err;
}
SND_DLSYM_BUILD_VERSION(_snd_pcm_share_open, SND_PCM_DLSYM_VERSION);

8
src/pcm/pcm_shm.c
View file

@ -38,6 +38,11 @@
#include <netdb.h>
#include "aserver.h"
#ifndef PIC
/* entry for static linking */
const char *_snd_module_pcm_shm = "";
#endif
typedef struct {
int socket;
volatile snd_pcm_shm_ctrl_t *ctrl;
@ -719,7 +724,6 @@ int is_local(struct hostent *hent)
return i < numreqs;
}
SND_DLSYM_BUILD_VERSION(_snd_pcm_shm_open, SND_PCM_DLSYM_VERSION);
int _snd_pcm_shm_open(snd_pcm_t **pcmp, const char *name,
snd_config_t *root, snd_config_t *conf,
snd_pcm_stream_t stream, int mode)
@ -833,4 +837,4 @@ int _snd_pcm_shm_open(snd_pcm_t **pcmp, const char *name,
snd_config_delete(sconfig);
return err;
}
SND_DLSYM_BUILD_VERSION(_snd_pcm_shm_open, SND_PCM_DLSYM_VERSION);

2
src/rawmidi/Makefile.am
View file

@ -1,6 +1,6 @@
EXTRA_LTLIBRARIES=librawmidi.la
librawmidi_la_SOURCES = rawmidi.c rawmidi_hw.c
librawmidi_la_SOURCES = rawmidi.c rawmidi_hw.c rawmidi_symbols.c
noinst_HEADERS = rawmidi_local.h
all: librawmidi.la

20
src/rawmidi/rawmidi.c
View file

@ -74,6 +74,9 @@ static int snd_rawmidi_open_conf(snd_rawmidi_t **inputp, snd_rawmidi_t **outputp
const char *lib = NULL, *open_name = NULL;
int (*open_func)(snd_rawmidi_t **, snd_rawmidi_t **,
const char *, snd_config_t *, snd_config_t *, int) = NULL;
#ifndef PIC
extern void *snd_rawmidi_open_symbols(void);
#endif
void *h;
if (snd_config_get_type(rawmidi_conf) != SND_CONFIG_TYPE_COMPOUND) {
if (name)
@ -128,20 +131,19 @@ static int snd_rawmidi_open_conf(snd_rawmidi_t **inputp, snd_rawmidi_t **outputp
open_name = buf;
snprintf(buf, sizeof(buf), "_snd_rawmidi_%s_open", str);
}
h = dlopen(lib, RTLD_NOW);
if (h) {
if ((err = snd_dlsym_verify(h, open_name, SND_DLSYM_VERSION(SND_RAWMIDI_DLSYM_VERSION))) < 0) {
dlclose(h);
goto _err;
}
open_func = dlsym(h, open_name);
}
#ifndef PIC
snd_rawmidi_open_symbols();
#endif
h = snd_dlopen(lib, RTLD_NOW);
if (h)
open_func = snd_dlsym(h, open_name, SND_DLSYM_VERSION(SND_RAWMIDI_DLSYM_VERSION));
err = 0;
if (!h) {
SNDERR("Cannot open shared library %s", lib);
err = -ENOENT;
} else if (!open_func) {
SNDERR("symbol %s is not defined inside %s", open_name, lib);
dlclose(h);
snd_dlclose(h);
err = -ENXIO;
}
_err:

10
src/rawmidi/rawmidi_hw.c
View file

@ -29,7 +29,12 @@
#include "../control/control_local.h"
#include "rawmidi_local.h"
#define SNDRV_FILE_RAWMIDI "/dev/snd/midiC%iD%i"
#ifndef PIC
/* entry for static linking */
const char *_snd_module_rawmidi_hw = "";
#endif
#define SNDRV_FILE_RAWMIDI "/dev/snd/midiC%iD%i"
#define SNDRV_RAWMIDI_VERSION_MAX SNDRV_PROTOCOL_VERSION(2, 0, 0)
typedef struct {
@ -302,7 +307,6 @@ int snd_rawmidi_hw_open(snd_rawmidi_t **inputp, snd_rawmidi_t **outputp,
return -ENOMEM;
}
SND_DLSYM_BUILD_VERSION(_snd_rawmidi_hw_open, SND_RAWMIDI_DLSYM_VERSION);
int _snd_rawmidi_hw_open(snd_rawmidi_t **inputp, snd_rawmidi_t **outputp,
char *name, snd_config_t *root ATTRIBUTE_UNUSED,
snd_config_t *conf, int mode)
@ -348,4 +352,4 @@ int _snd_rawmidi_hw_open(snd_rawmidi_t **inputp, snd_rawmidi_t **outputp,
return -EINVAL;
return snd_rawmidi_hw_open(inputp, outputp, name, card, device, subdevice, mode);
}
SND_DLSYM_BUILD_VERSION(_snd_rawmidi_hw_open, SND_RAWMIDI_DLSYM_VERSION);

3
src/seq/Makefile.am
View file

@ -1,6 +1,7 @@
EXTRA_LTLIBRARIES=libseq.la
libseq_la_SOURCES = seq_hw.c seq.c seq_event.c seqmid.c seq_midi_event.c
libseq_la_SOURCES = seq_hw.c seq.c seq_event.c seqmid.c seq_midi_event.c \
seq_symbols.c
noinst_HEADERS = seq_local.h
all: libseq.la

21
src/seq/seq.c
View file

@ -26,8 +26,8 @@
*
*/
#include <sys/poll.h>
#include <dlfcn.h>
#include <sys/poll.h>
#include "seq_local.h"
/****************************************************************************
@ -77,6 +77,9 @@ static int snd_seq_open_conf(snd_seq_t **seqp, const char *name,
int (*open_func)(snd_seq_t **, const char *,
snd_config_t *, snd_config_t *,
int, int) = NULL;
#ifndef PIC
extern void *snd_seq_open_symbols(void);
#endif
void *h;
if (snd_config_get_type(seq_conf) != SND_CONFIG_TYPE_COMPOUND) {
if (name)
@ -129,21 +132,19 @@ static int snd_seq_open_conf(snd_seq_t **seqp, const char *name,
open_name = buf;
snprintf(buf, sizeof(buf), "_snd_seq_%s_open", str);
}
h = dlopen(lib, RTLD_NOW);
if (h) {
if ((err = snd_dlsym_verify(h, open_name, SND_DLSYM_VERSION(SND_SEQ_DLSYM_VERSION))) < 0) {
dlclose(h);
goto _err;
}
open_func = dlsym(h, open_name);
}
#ifndef PIC
snd_seq_open_symbols();
#endif
h = snd_dlopen(lib, RTLD_NOW);
if (h)
open_func = snd_dlsym(h, open_name, SND_DLSYM_VERSION(SND_SEQ_DLSYM_VERSION));
err = 0;
if (!h) {
SNDERR("Cannot open shared library %s", lib);
err = -ENOENT;
} else if (!open_func) {
SNDERR("symbol %s is not defined inside %s", open_name, lib);
dlclose(h);
snd_dlclose(h);
err = -ENXIO;
}
_err:

8
src/seq/seq_hw.c
View file

@ -24,6 +24,11 @@
#include <sys/ioctl.h>
#include "seq_local.h"
#ifndef PIC
/* entry for static linking */
const char *_snd_module_seq_hw = "";
#endif
#define SNDRV_FILE_SEQ "/dev/snd/seq"
#define SNDRV_FILE_ALOADSEQ "/dev/aloadSEQ"
#define SNDRV_SEQ_VERSION_MAX SNDRV_PROTOCOL_VERSION(1, 0, 0)
@ -503,7 +508,6 @@ int snd_seq_hw_open(snd_seq_t **handle, const char *name, int streams, int mode)
return 0;
}
SND_DLSYM_BUILD_VERSION(_snd_seq_hw_open, SND_SEQ_DLSYM_VERSION);
int _snd_seq_hw_open(snd_seq_t **handlep, char *name,
snd_config_t *root ATTRIBUTE_UNUSED, snd_config_t *conf,
int streams, int mode)
@ -520,4 +524,4 @@ int _snd_seq_hw_open(snd_seq_t **handlep, char *name,
}
return snd_seq_hw_open(handlep, name, streams, mode);
}
SND_DLSYM_BUILD_VERSION(_snd_seq_hw_open, SND_SEQ_DLSYM_VERSION);

3
src/timer/Makefile.am
View file

@ -1,6 +1,7 @@
EXTRA_LTLIBRARIES=libtimer.la
libtimer_la_SOURCES = timer.c timer_hw.c timer_query.c timer_query_hw.c
libtimer_la_SOURCES = timer.c timer_hw.c timer_query.c timer_query_hw.c \
timer_symbols.c
noinst_HEADERS = timer_local.h
all: libtimer.la

20
src/timer/timer.c
View file

@ -47,6 +47,9 @@ static int snd_timer_open_conf(snd_timer_t **timer,
snd_config_iterator_t i, next;
const char *lib = NULL, *open_name = NULL;
int (*open_func)(snd_timer_t **, const char *, snd_config_t *, snd_config_t *, int) = NULL;
#ifndef PIC
extern void *snd_timer_open_symbols(void);
#endif
void *h;
if (snd_config_get_type(timer_conf) != SND_CONFIG_TYPE_COMPOUND) {
if (name)
@ -101,20 +104,19 @@ static int snd_timer_open_conf(snd_timer_t **timer,
open_name = buf;
snprintf(buf, sizeof(buf), "_snd_timer_%s_open", str);
}
h = dlopen(lib, RTLD_NOW);
if (h) {
if ((err = snd_dlsym_verify(h, open_name, SND_DLSYM_VERSION(SND_TIMER_DLSYM_VERSION))) < 0) {
dlclose(h);
goto _err;
}
open_func = dlsym(h, open_name);
}
#ifndef PIC
snd_timer_open_symbols();
#endif
h = snd_dlopen(lib, RTLD_NOW);
if (h)
open_func = snd_dlsym(h, open_name, SND_DLSYM_VERSION(SND_TIMER_DLSYM_VERSION));
err = 0;
if (!h) {
SNDERR("Cannot open shared library %s", lib);
err = -ENOENT;
} else if (!open_func) {
SNDERR("symbol %s is not defined inside %s", open_name, lib);
dlclose(h);
snd_dlclose(h);
err = -ENXIO;
}
_err:

7
src/timer/timer_hw.c
View file

@ -27,6 +27,11 @@
#include <sys/ioctl.h>
#include "timer_local.h"
#ifndef PIC
/* entry for static linking */
const char *_snd_module_timer_hw = "";
#endif
#define SNDRV_FILE_TIMER "/dev/snd/timer"
#define SNDRV_TIMER_VERSION_MAX SNDRV_PROTOCOL_VERSION(2, 0, 0)
@ -200,7 +205,6 @@ int snd_timer_hw_open(snd_timer_t **handle, const char *name, int dev_class, int
return 0;
}
SND_DLSYM_BUILD_VERSION(_snd_timer_hw_open, SND_TIMER_DLSYM_VERSION);
int _snd_timer_hw_open(snd_timer_t **timer, char *name,
snd_config_t *root ATTRIBUTE_UNUSED,
snd_config_t *conf, int mode)
@ -260,3 +264,4 @@ int _snd_timer_hw_open(snd_timer_t **timer, char *name,
return -EINVAL;
return snd_timer_hw_open(timer, name, dev_class, dev_sclass, card, device, subdevice, mode);
}
SND_DLSYM_BUILD_VERSION(_snd_timer_hw_open, SND_TIMER_DLSYM_VERSION);

19
src/timer/timer_query.c
View file

@ -46,6 +46,9 @@ static int snd_timer_query_open_conf(snd_timer_query_t **timer,
snd_config_iterator_t i, next;
const char *lib = NULL, *open_name = NULL;
int (*open_func)(snd_timer_query_t **, const char *, snd_config_t *, snd_config_t *, int) = NULL;
#ifndef PIC
extern void *snd_timer_query_open_symbols(void);
#endif
void *h;
if (snd_config_get_type(timer_conf) != SND_CONFIG_TYPE_COMPOUND) {
if (name)
@ -100,20 +103,18 @@ static int snd_timer_query_open_conf(snd_timer_query_t **timer,
open_name = buf;
snprintf(buf, sizeof(buf), "_snd_timer_query_%s_open", str);
}
h = dlopen(lib, RTLD_NOW);
if (h) {
if ((err = snd_dlsym_verify(h, open_name, SND_DLSYM_VERSION(SND_TIMER_QUERY_DLSYM_VERSION))) < 0) {
dlclose(h);
goto _err;
}
open_func = dlsym(h, open_name);
}
#ifndef PIC
snd_timer_query_open_symbols();
#endif
h = snd_dlopen(lib, RTLD_NOW);
if (h)
open_func = snd_dlsym(h, open_name, SND_DLSYM_VERSION(SND_TIMER_QUERY_DLSYM_VERSION));
if (!h) {
SNDERR("Cannot open shared library %s", lib);
err = -ENOENT;
} else if (!open_func) {
SNDERR("symbol %s is not defined inside %s", open_name, lib);
dlclose(h);
snd_dlclose(h);
err = -ENXIO;
}
_err:

7
src/timer/timer_query_hw.c
View file

@ -27,6 +27,11 @@
#include <sys/ioctl.h>
#include "timer_local.h"
#ifndef PIC
/* entry for static linking */
const char *_snd_module_timer_query_hw = "";
#endif
#define SNDRV_FILE_TIMER "/dev/snd/timer"
#define SNDRV_TIMER_VERSION_MAX SNDRV_PROTOCOL_VERSION(2, 0, 0)
@ -88,7 +93,6 @@ int snd_timer_query_hw_open(snd_timer_query_t **handle, const char *name, int mo
return 0;
}
SND_DLSYM_BUILD_VERSION(_snd_timer_query_hw_open, SND_TIMER_QUERY_DLSYM_VERSION);
int _snd_timer_query_hw_open(snd_timer_query_t **timer, char *name,
snd_config_t *root ATTRIBUTE_UNUSED,
snd_config_t *conf, int mode)
@ -106,3 +110,4 @@ int _snd_timer_query_hw_open(snd_timer_query_t **timer, char *name,
}
return snd_timer_query_hw_open(timer, name, mode);
}
SND_DLSYM_BUILD_VERSION(_snd_timer_query_hw_open, SND_TIMER_QUERY_DLSYM_VERSION);

2
test/Makefile.am
View file

@ -11,6 +11,6 @@ rawmidi_LDADD=../src/libasound.la
midiloop_LDADD=../src/libasound.la
INCLUDES=-I$(top_srcdir)/include
CFLAGS=-Wall -pipe -g
CFLAGS=-static -Wall -pipe -g
EXTRA_DIST=seq-decoder.c seq-sender.c midifile.h midifile.c midifile.3

1
test/midiloop.c
View file

@ -1,6 +1,7 @@
#include <stdlib.h>
#include <stdio.h>
#include <ctype.h>
#include <sys/time.h>
#include "../include/asoundlib.h"
#include <string.h>
#include <signal.h>