Files
pkgsrc-ng/net/ettercap-NG/patches/patch-ac
2013-09-26 17:14:40 +02:00

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2.5 KiB
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$NetBSD: patch-ac,v 1.1.1.1 2005/05/05 19:34:44 xtraeme Exp $
--- src/ec_threads.c.orig 2004-11-05 15:12:01.000000000 +0100
+++ src/ec_threads.c
@@ -48,6 +48,10 @@ static pthread_mutex_t init_mtx = PTHREA
#define BROKEN_PTHREAD_JOIN
#endif
+#ifdef OS_BSD_NET
+ int init_lock_helper;
+#endif
+
/* protos... */
char * ec_thread_getname(pthread_t id);
@@ -190,6 +194,39 @@ pthread_t ec_thread_new(char *name, char
pthread_t id;
DEBUG_MSG("ec_thread_new -- %s", name);
+
+#ifdef OS_BSD_NET
+ /*
+ * Since unlocking a mutex from a thread other than the locking
+ * is a NO-NO, use a helper lockflag. The new thread will set this
+ * to "1" when finished.
+ */
+ INIT_LOCK;
+ init_lock_helper = 0;
+ INIT_UNLOCK;
+
+ if (pthread_create(&id, NULL, function, args) != 0)
+ ERROR_MSG("not enough resources to create a new thread in this process");
+
+ ec_thread_register(id, name, desc);
+
+ DEBUG_MSG("ec_thread_new -- %lu created ", PTHREAD_ID(id));
+
+ /* The new thread will set the variable to "1" */
+ for (;;) {
+ INIT_LOCK;
+
+ if (init_lock_helper == 1) {
+ INIT_UNLOCK;
+ break;
+ }
+
+ INIT_UNLOCK;
+
+ /* Wait for next term */
+ sched_yield();
+ }
+#else
/*
* lock the mutex to syncronize with the new thread.
@@ -209,6 +246,7 @@ pthread_t ec_thread_new(char *name, char
/* the new thread will unlock this */
INIT_LOCK;
INIT_UNLOCK;
+#endif
return id;
}
@@ -219,6 +257,9 @@ pthread_t ec_thread_new(char *name, char
*/
void ec_thread_init(void)
{
+#ifdef OS_BSD_NET
+ INIT_LOCK;
+
pthread_t id = pthread_self();
DEBUG_MSG("ec_thread_init -- %lu", PTHREAD_ID(id));
@@ -231,9 +272,27 @@ void ec_thread_init(void)
pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL);
/* sync with the creator */
+ init_lock_helper = 1;
INIT_UNLOCK;
DEBUG_MSG("ec_thread_init -- (%lu) ready and syncronized", PTHREAD_ID(id));
+#else
+ pthread_t id = pthread_self();
+
+ DEBUG_MSG("ec_thread_init -- %lu", PTHREAD_ID(id));
+
+ /*
+ * allow a thread to be cancelled as soon as the
+ * cancellation request is received
+ */
+ pthread_setcancelstate(PTHREAD_CANCEL_ENABLE, NULL);
+ pthread_setcanceltype(PTHREAD_CANCEL_ASYNCHRONOUS, NULL);
+
+ /* sync with the creator */
+ INIT_UNLOCK;
+
+ DEBUG_MSG("ec_thread_init -- (%lu) ready and syncronized", PTHREAD_ID(id));
+#endif
}