From 2168090f5b023573ebea0f83574950401ed5d67b Mon Sep 17 00:00:00 2001
From: Alexander Koeppe <format_c@online.de>
Date: Wed, 29 Jan 2020 21:09:31 +0100
Subject: [PATCH] define EC_PTHREAD_NULL as global heap variable

---
 include/ec_globals.h | 7 +++++++
 include/ec_threads.h | 2 +-
 src/ec_globals.c     | 3 +++
 3 files changed, 11 insertions(+), 1 deletion(-)

diff --git a/include/ec_globals.h b/include/ec_globals.h
index 5033f5dc0..45e12514c 100644
--- a/include/ec_globals.h
+++ b/include/ec_globals.h
@@ -176,6 +176,11 @@ struct wifi_env {
 	size_t wkey_len;
 };
 
+/* threads structure */
+struct thread_env {
+   pthread_t ec_pthread_null;
+};
+
 /* the globals container */
 struct ec_globals {
    struct ec_conf *conf;
@@ -191,6 +196,7 @@ struct ec_globals {
    struct target_env *t1;
    struct target_env *t2;
    struct wifi_env *wifi;
+   struct thread_env *thread;
    LIST_HEAD(, hosts_list) hosts_list;
    TAILQ_HEAD(gbl_ptail, host_profile) profiles_list_head;
    struct filter_list *filters;
@@ -213,6 +219,7 @@ EC_API_EXTERN struct ec_globals *ec_gbls;
 #define EC_GBL_TARGET1        (EC_GBLS->t1)
 #define EC_GBL_TARGET2        (EC_GBLS->t2)
 #define EC_GBL_WIFI           (EC_GBLS->wifi)
+#define EC_GBL_THREAD         (EC_GBLS->thread)
 #define EC_GBL_HOSTLIST       (EC_GBLS->hosts_list)
 #define EC_GBL_PROFILES       (EC_GBLS->profiles_list_head)
 #define EC_GBL_FILTERS        &(EC_GBLS->filters)
diff --git a/include/ec_threads.h b/include/ec_threads.h
index 6cd2c1084..f63f3ee3a 100644
--- a/include/ec_threads.h
+++ b/include/ec_threads.h
@@ -12,7 +12,7 @@ struct ec_thread {
 };
 
 /* a value to be used to return errors in fuctcions using pthread_t values */
-pthread_t EC_PTHREAD_NULL;
+#define EC_PTHREAD_NULL EC_GBL_THREAD->ec_pthread_null
 #define EC_PTHREAD_SELF EC_PTHREAD_NULL
 #define PTHREAD_ID(id)  (*(unsigned long*)&(id)) 
 
diff --git a/src/ec_globals.c b/src/ec_globals.c
index 1bc313c15..e45dba5cf 100644
--- a/src/ec_globals.c
+++ b/src/ec_globals.c
@@ -52,6 +52,7 @@ void ec_globals_alloc(void)
    SAFE_CALLOC(ec_gbls->t1, 1, sizeof(struct target_env));
    SAFE_CALLOC(ec_gbls->t2, 1, sizeof(struct target_env));
    SAFE_CALLOC(ec_gbls->wifi, 1, sizeof(struct wifi_env));
+   SAFE_CALLOC(ec_gbls->thread, 1, sizeof(struct thread_env));
    /* filter list entries are allocated as needed */
    ec_gbls->filters = NULL;
 
@@ -72,6 +73,8 @@ void ec_globals_free(void)
    EC_GBL_FREE(ec_gbls->bridge);
    EC_GBL_FREE(ec_gbls->sm);
    EC_GBL_FREE(ec_gbls->filters);
+   EC_GBL_FREE(ec_gbls->wifi);
+   EC_GBL_FREE(ec_gbls->thread);
 
    free_ip_list(ec_gbls->t1);
    EC_GBL_FREE(ec_gbls->t1);