merge 'lennart' branch back into trunk.

git-svn-id: file:///home/lennart/svn/public/pulseaudio/trunk@1971 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2007-10-28 19:13:50 +00:00
parent 6687dd0131
commit a67c21f093
294 changed files with 79057 additions and 11614 deletions

View file

@ -29,7 +29,6 @@
#include <limits.h>
#include <stdio.h>
#include <stdlib.h>
#include <assert.h>
#include <string.h>
#include <errno.h>
#include <ctype.h>
@ -40,6 +39,8 @@
#include <pulsecore/core-subscribe.h>
#include <pulsecore/log.h>
#include <pulsecore/core-util.h>
#include <pulsecore/macro.h>
#include <pulsecore/ltdl-helper.h>
#include "module.h"
@ -48,69 +49,31 @@
#define UNLOAD_POLL_TIME 2
/* lt_dlsym() violates ISO C, so confide the breakage into this function to
* avoid warnings. */
typedef void (*fnptr)(void);
static inline fnptr lt_dlsym_fn(lt_dlhandle handle, const char *symbol) {
return (fnptr) (long) lt_dlsym(handle, symbol);
}
static void timeout_callback(pa_mainloop_api *m, pa_time_event*e, PA_GCC_UNUSED const struct timeval *tv, void *userdata) {
pa_core *c = userdata;
pa_core *c = PA_CORE(userdata);
struct timeval ntv;
assert(c && c->mainloop == m && c->module_auto_unload_event == e);
pa_core_assert_ref(c);
pa_assert(c->mainloop == m);
pa_assert(c->module_auto_unload_event == e);
pa_module_unload_unused(c);
pa_gettimeofday(&ntv);
ntv.tv_sec += UNLOAD_POLL_TIME;
pa_timeval_add(&ntv, UNLOAD_POLL_TIME*1000000);
m->time_restart(e, &ntv);
}
static inline fnptr load_sym(lt_dlhandle handle, const char *module, const char *symbol) {
char *buffer, *ch;
size_t buflen;
fnptr res;
res = lt_dlsym_fn(handle, symbol);
if (res)
return res;
/* As the .la files might have been cleansed from the system, we should
* try with the ltdl prefix as well. */
buflen = strlen(symbol) + strlen(module) + strlen("_LTX_") + 1;
buffer = pa_xmalloc(buflen);
assert(buffer);
strcpy(buffer, module);
for (ch = buffer;*ch != '\0';ch++) {
if (!isalnum(*ch))
*ch = '_';
}
strcat(buffer, "_LTX_");
strcat(buffer, symbol);
res = lt_dlsym_fn(handle, buffer);
pa_xfree(buffer);
return res;
}
pa_module* pa_module_load(pa_core *c, const char *name, const char *argument) {
pa_module *m = NULL;
int r;
assert(c && name);
pa_assert(c);
pa_assert(name);
if (c->disallow_module_loading)
goto fail;
m = pa_xmalloc(sizeof(pa_module));
m = pa_xnew(pa_module, 1);
m->name = pa_xstrdup(name);
m->argument = pa_xstrdup(argument);
@ -119,24 +82,19 @@ pa_module* pa_module_load(pa_core *c, const char *name, const char *argument) {
goto fail;
}
if (!(m->init = (int (*)(pa_core *_c, pa_module*_m)) load_sym(m->dl, name, PA_SYMBOL_INIT))) {
if (!(m->init = (int (*)(pa_module*_m)) pa_load_sym(m->dl, name, PA_SYMBOL_INIT))) {
pa_log("Failed to load module \"%s\": symbol \""PA_SYMBOL_INIT"\" not found.", name);
goto fail;
}
if (!(m->done = (void (*)(pa_core *_c, pa_module*_m)) load_sym(m->dl, name, PA_SYMBOL_DONE))) {
pa_log("Failed to load module \"%s\": symbol \""PA_SYMBOL_DONE"\" not found.", name);
goto fail;
}
m->done = (void (*)(pa_module*_m)) pa_load_sym(m->dl, name, PA_SYMBOL_DONE);
m->userdata = NULL;
m->core = c;
m->n_used = -1;
m->auto_unload = 0;
m->unload_requested = 0;
assert(m->init);
if (m->init(c, m) < 0) {
if (m->init(m) < 0) {
pa_log_error("Failed to load module \"%s\" (argument: \"%s\"): initialization failed.", name, argument ? argument : "");
goto fail;
}
@ -147,14 +105,12 @@ pa_module* pa_module_load(pa_core *c, const char *name, const char *argument) {
if (!c->module_auto_unload_event) {
struct timeval ntv;
pa_gettimeofday(&ntv);
ntv.tv_sec += UNLOAD_POLL_TIME;
pa_timeval_add(&ntv, UNLOAD_POLL_TIME*1000000);
c->module_auto_unload_event = c->mainloop->time_new(c->mainloop, &ntv, timeout_callback, c);
}
assert(c->module_auto_unload_event);
assert(c->modules);
r = pa_idxset_put(c->modules, m, &m->index);
assert(r >= 0 && m->index != PA_IDXSET_INVALID);
pa_assert_se(pa_idxset_put(c->modules, m, &m->index) >= 0);
pa_assert(m->index != PA_IDXSET_INVALID);
pa_log_info("Loaded \"%s\" (index: #%u; argument: \"%s\").", m->name, m->index, m->argument ? m->argument : "");
@ -178,14 +134,16 @@ fail:
}
static void pa_module_free(pa_module *m) {
assert(m && m->done && m->core);
pa_assert(m);
pa_assert(m->core);
if (m->core->disallow_module_loading)
return;
pa_log_info("Unloading \"%s\" (index: #%u).", m->name, m->index);
m->done(m->core, m);
if (m->done)
m->done(m);
lt_dlclose(m->dl);
@ -199,9 +157,10 @@ static void pa_module_free(pa_module *m) {
}
void pa_module_unload(pa_core *c, pa_module *m) {
assert(c && m);
pa_assert(c);
pa_assert(m);
assert(c->modules);
pa_assert(c->modules);
if (!(m = pa_idxset_remove_by_data(c->modules, m, NULL)))
return;
@ -210,9 +169,9 @@ void pa_module_unload(pa_core *c, pa_module *m) {
void pa_module_unload_by_index(pa_core *c, uint32_t idx) {
pa_module *m;
assert(c && idx != PA_IDXSET_INVALID);
pa_assert(c);
pa_assert(idx != PA_IDXSET_INVALID);
assert(c->modules);
if (!(m = pa_idxset_remove_by_index(c->modules, idx)))
return;
@ -221,13 +180,14 @@ void pa_module_unload_by_index(pa_core *c, uint32_t idx) {
static void free_callback(void *p, PA_GCC_UNUSED void *userdata) {
pa_module *m = p;
assert(m);
pa_assert(m);
pa_module_free(m);
}
void pa_module_unload_all(pa_core *c) {
pa_module *m;
assert(c);
pa_assert(c);
if (!c->modules)
return;
@ -252,7 +212,10 @@ void pa_module_unload_all(pa_core *c) {
static int unused_callback(void *p, PA_GCC_UNUSED uint32_t idx, int *del, void *userdata) {
pa_module *m = p;
time_t *now = userdata;
assert(p && del && now);
pa_assert(m);
pa_assert(del);
pa_assert(now);
if (m->n_used == 0 && m->auto_unload && m->last_used_time+m->core->module_idle_time <= *now) {
pa_module_free(m);
@ -264,7 +227,7 @@ static int unused_callback(void *p, PA_GCC_UNUSED uint32_t idx, int *del, void *
void pa_module_unload_unused(pa_core *c) {
time_t now;
assert(c);
pa_assert(c);
if (!c->modules)
return;
@ -275,7 +238,7 @@ void pa_module_unload_unused(pa_core *c) {
static int unload_callback(void *p, PA_GCC_UNUSED uint32_t idx, int *del, PA_GCC_UNUSED void *userdata) {
pa_module *m = p;
assert(m);
pa_assert(m);
if (m->unload_requested) {
pa_module_free(m);
@ -286,18 +249,19 @@ static int unload_callback(void *p, PA_GCC_UNUSED uint32_t idx, int *del, PA_GCC
}
static void defer_cb(pa_mainloop_api*api, pa_defer_event *e, void *userdata) {
pa_core *core = userdata;
pa_core *core = PA_CORE(userdata);
pa_core_assert_ref(core);
api->defer_enable(e, 0);
if (!core->modules)
return;
pa_idxset_foreach(core->modules, unload_callback, NULL);
}
void pa_module_unload_request(pa_module *m) {
assert(m);
pa_assert(m);
m->unload_requested = 1;
@ -308,19 +272,19 @@ void pa_module_unload_request(pa_module *m) {
}
void pa_module_set_used(pa_module*m, int used) {
assert(m);
pa_assert(m);
if (m->n_used != used)
pa_subscription_post(m->core, PA_SUBSCRIPTION_EVENT_MODULE|PA_SUBSCRIPTION_EVENT_CHANGE, m->index);
if (m->n_used != used && used == 0)
if (used == 0 && m->n_used > 0)
time(&m->last_used_time);
m->n_used = used;
}
pa_modinfo *pa_module_get_info(pa_module *m) {
assert(m);
pa_assert(m);
return pa_modinfo_get_by_handle(m->dl);
return pa_modinfo_get_by_handle(m->dl, m->name);
}