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add modinfo support

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@191 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2004-09-11 23:17:38 +00:00
parent 11f0aae5d6
commit a9ca9c4a3b
21 changed files with 390 additions and 57 deletions
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30
polyp/module.c
View file

@ -35,6 +35,9 @@
#include "subscribe.h"
#include "log.h"
#define PA_SYMBOL_INIT "pa__init"
#define PA_SYMBOL_DONE "pa__done"
#define UNLOAD_POLL_TIME 10
static void timeout_callback(struct pa_mainloop_api *m, struct pa_time_event*e, const struct timeval *tv, void *userdata) {
@ -58,21 +61,25 @@ struct pa_module* pa_module_load(struct pa_core *c, const char *name, const char
if (c->disallow_module_loading)
goto fail;
pa_log(__FILE__": Trying to load \"%s\" with argument \"%s\".\n", name, argument);
m = pa_xmalloc(sizeof(struct pa_module));
m->name = pa_xstrdup(name);
m->argument = pa_xstrdup(argument);
if (!(m->dl = lt_dlopenext(name)))
if (!(m->dl = lt_dlopenext(name))) {
pa_log(__FILE__": Failed to open module \"%s\": %s\n", name, lt_dlerror());
goto fail;
}
if (!(m->init = (int (*)(struct pa_core *c, struct pa_module*m)) lt_dlsym(m->dl, "pa_module_init")))
if (!(m->init = (int (*)(struct pa_core *c, struct pa_module*m)) lt_dlsym(m->dl, PA_SYMBOL_INIT))) {
pa_log(__FILE__": Failed to load module \"%s\": symbol \""PA_SYMBOL_INIT"\" not found.\n", name);
goto fail;
}
if (!(m->done = (void (*)(struct pa_core *c, struct pa_module*m)) lt_dlsym(m->dl, "pa_module_done")))
if (!(m->done = (void (*)(struct pa_core *c, struct pa_module*m)) lt_dlsym(m->dl, PA_SYMBOL_DONE))) {
pa_log(__FILE__": Failed to load module \"%s\": symbol \""PA_SYMBOL_DONE"\" not found.\n", name);
goto fail;
}
m->userdata = NULL;
m->core = c;
@ -80,8 +87,10 @@ struct pa_module* pa_module_load(struct pa_core *c, const char *name, const char
m->auto_unload = 0;
assert(m->init);
if (m->init(c, m) < 0)
if (m->init(c, m) < 0) {
pa_log(__FILE__": Failed to load module \"%s\" (argument: \"%s\"): initialization failed.\n", name, argument ? argument : "");
goto fail;
}
if (!c->modules)
c->modules = pa_idxset_new(NULL, NULL);
@ -98,7 +107,7 @@ struct pa_module* pa_module_load(struct pa_core *c, const char *name, const char
r = pa_idxset_put(c->modules, m, &m->index);
assert(r >= 0 && m->index != PA_IDXSET_INVALID);
pa_log(__FILE__": Loaded \"%s\" (index: #%u) with argument \"%s\".\n", m->name, m->index, m->argument);
pa_log(__FILE__": Loaded \"%s\" (index: #%u; argument: \"%s\").\n", m->name, m->index, m->argument ? m->argument : "");
pa_subscription_post(c, PA_SUBSCRIPTION_EVENT_MODULE|PA_SUBSCRIPTION_EVENT_NEW, m->index);
@ -106,8 +115,6 @@ struct pa_module* pa_module_load(struct pa_core *c, const char *name, const char
fail:
pa_log(__FILE__": Failed to load \"%s\" with argument \"%s\".\n", name, argument);
if (m) {
pa_xfree(m->argument);
pa_xfree(m->name);
@ -239,3 +246,8 @@ void pa_module_set_used(struct pa_module*m, int used) {
m->n_used = used;
}
struct pa_modinfo *pa_module_get_info(struct pa_module *m) {
assert(m);
return pa_modinfo_get_by_handle(m->dl);
}