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Add a special ltdl .so loader that avoids lazy frelocations during runtime

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git-svn-id: file:///home/lennart/svn/public/pulseaudio/branches/lennart@1838 fefdeb5f-60dc-0310-8127-8f9354f1896f
This commit is contained in:
Lennart Poettering 2007-09-17 12:31:06 +00:00
parent 2741685d3a
commit 061e8068aa
5 changed files with 197 additions and 35 deletions
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37
src/daemon/main.c
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@ -93,6 +93,7 @@
#include "daemon-conf.h"
#include "dumpmodules.h"
#include "caps.h"
#include "ltdl-bind-now.h"
#ifdef HAVE_LIBWRAP
/* Only one instance of these variables */
@ -309,38 +310,6 @@ static void set_all_rlimits(const pa_daemon_conf *conf) {
}
#endif
static pa_mutex *libtool_mutex = NULL;
static void libtool_lock(void) {
pa_mutex_lock(libtool_mutex);
}
static void libtool_unlock(void) {
pa_mutex_unlock(libtool_mutex);
}
PA_STATIC_TLS_DECLARE_NO_FREE(libtool_tls);
static void libtool_set_error(const char * error) {
PA_STATIC_TLS_SET(libtool_tls, (char*) error);
}
static const char *libtool_get_error(void) {
return PA_STATIC_TLS_GET(libtool_tls);
}
static void libtool_init(void) {
pa_assert_se(libtool_mutex = pa_mutex_new(TRUE, FALSE));
pa_assert_se(lt_dlmutex_register(libtool_lock, libtool_unlock, libtool_set_error, libtool_get_error) == 0);
pa_assert_se(lt_dlinit() == 0);
}
static void libtool_done(void) {
pa_assert_se(lt_dlexit() == 0);
pa_mutex_free(libtool_mutex);
libtool_mutex = NULL;
}
int main(int argc, char *argv[]) {
pa_core *c = NULL;
pa_strbuf *buf = NULL;
@ -396,7 +365,7 @@ int main(int argc, char *argv[]) {
LTDL_SET_PRELOADED_SYMBOLS();
libtool_init();
pa_ltdl_init();
#ifdef OS_IS_WIN32
{
@ -747,7 +716,7 @@ finish:
WSACleanup();
#endif
libtool_done();
pa_ltdl_done();
#ifdef HAVE_DBUS
dbus_shutdown();