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remove THREAD_SAFE ifdefs. from now on, pthreads are required.

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additionally we have some explicit init and deinit routines for
core.c now, so that we dont need to share variables with
libproxychains.c.
This commit is contained in:
rofl0r
2012-11-07 21:28:09 +01:00
parent bd07ca49b9
commit 03ee84060e
4 changed files with 27 additions and 18 deletions
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23
src/libproxychains.c
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@ -32,6 +32,7 @@
#include <sys/socket.h>
#include <fcntl.h>
#include <dlfcn.h>
#include <pthread.h>
#include "core.h"
@ -64,9 +65,8 @@ localaddr_arg localnet_addr[MAX_LOCALNET];
size_t num_localnet_addr = 0;
unsigned int remote_dns_subnet = 224;
#ifdef THREAD_SAFE
pthread_once_t init_once = PTHREAD_ONCE_INIT;
#endif
static int init_l = 0;
static inline void get_chain_data(proxy_data * pd, unsigned int *proxy_count, chain_type * ct);
@ -97,7 +97,7 @@ static void* load_sym(char* symname, void* proxyfunc) {
static void do_init(void) {
srand(time(NULL));
MUTEX_INIT(&hostdb_lock);
core_initialize();
at_init();
/* read the config file */
@ -115,18 +115,23 @@ static void do_init(void) {
init_l = 1;
}
#if 0
/* FIXME this is currently unused.
* it is not strictly needed.
* maybe let it be called by a gcc destructor, if that doesnt
* have negative consequences (e.g. when a child calles exit) */
static void unload(void) {
at_close();
core_unload();
}
#endif
static void init_lib_wrapper(const char* caller) {
#ifndef DEBUG
(void) caller;
#endif
#ifndef THREAD_SAFE
if(init_l) return;
PDEBUG("%s called from %s\n", __FUNCTION__, caller);
do_init();
#else
if(!init_l) PDEBUG("%s called from %s\n", __FUNCTION__, caller);
pthread_once(&init_once, do_init);
#endif
}
/* if we use gcc >= 3, we can instruct the dynamic loader