git:master:4e474036: misctest: modparam and function to test internal locks with pthreads - sr-dev

17 Jul 2025

Module: kamailio
Branch: master
Commit: 4e474036be1d862e63536ad94cc284c52e04a8a6
URL: https://github.com/kamailio/kamailio/commit/4e474036be1d862e63536ad94cc284c5...
Author: Daniel-Constantin Mierla miconda@gmail.com
Committer: Daniel-Constantin Mierla miconda@gmail.com
Date: 2025-07-17T08:48:54+02:00
misctest: modparam and function to test internal locks with pthreads
---
Modified: src/modules/misctest/misctest_mod.c
---
Diff:  https://github.com/kamailio/kamailio/commit/4e474036be1d862e63536ad94cc284c5...
Patch: https://github.com/kamailio/kamailio/commit/4e474036be1d862e63536ad94cc284c5...
---

diff --git a/src/modules/misctest/misctest_mod.c b/src/modules/misctest/misctest_mod.c
index 50863ea1554..519d68ab81a 100644
--- a/src/modules/misctest/misctest_mod.c
+++ b/src/modules/misctest/misctest_mod.c
@@ -59,6 +59,7 @@ static int mt_mem_alloc_f(struct sip_msg *, char *, char *);
 static int mt_mem_free_f(struct sip_msg *, char *, char *);
 static int mt_tcp_thread_exec_f(sip_msg_t *, char *, char *);
 static int mt_lock_test_f(struct sip_msg *, char *, char *);
+static int mt_lock_threads_f(sip_msg_t *, char *, char *);
 static int mod_init(void);
 static void mod_destroy(void);
@@ -71,12 +72,17 @@ static int misctest_message = 0;
 static str misctest_message_data = STR_NULL;
 static str misctest_message_file = STR_NULL;
+static int misctest_lock_threads_mode = 0;
+gen_lock_t *_misctest_lock_threads = NULL;
+
 /* clang-format off */
 static cmd_export_t cmds[]={
    {"mt_mem_alloc", mt_mem_alloc_f, 1, fixup_var_int_1, 0, ANY_ROUTE},
    {"mt_mem_free", mt_mem_free_f, 1, fixup_var_int_1, 0, ANY_ROUTE},
    {"mt_tcp_thread_exec", mt_tcp_thread_exec_f, 1, fixup_spve_null, 0, ANY_ROUTE},
    {"mt_lock_test", mt_lock_test_f, 1, fixup_var_int_1, 0, ANY_ROUTE},
+	{"mt_lock_threads", mt_lock_threads_f, 1, fixup_igp_null,
+		fixup_free_igp_null, ANY_ROUTE},
    {0, 0, 0, 0, 0}
 };
 /* clang-format on */
@@ -125,6 +131,7 @@ static param_export_t params[]={
    {"message_data", PARAM_STR, &misctest_message_data},
    {"message_file", PARAM_STR, &misctest_message_file},
    {"mem_check_content", PARAM_INT, &default_mt_cfg.mem_check_content},
+	{"lock_threads_mode", PARAM_INT, &misctest_lock_threads_mode},
    {0,0,0}
 };
 /* clang-format on */
@@ -285,6 +292,15 @@ static int mod_init(void)
    	return -1;
    }
+	if(misctest_lock_threads_mode != 0) {
+		_misctest_lock_threads = lock_alloc();
+		if(_misctest_lock_threads == NULL) {
+			LM_ERR("failed to alloc lock\n");
+			goto error;
+		}
+		lock_init(_misctest_lock_threads);
+	}
+
    return 0;
 error:
    return -1;
@@ -1021,6 +1037,48 @@ static int mt_lock_test_f(struct sip_msg *msg, char *sz, char *foo)
    return lock_test(size) >= 0 ? 1 : -1;
 }
+static void *mt_lock_threads_exec(void *param)
+{
+	int pidx = 0;
+
+	pidx = (int)(long)param;
+
+	while(1) {
+		LM_INFO("==== before acquiring the lock (idx: %d)\n", pidx);
+		lock_get(_misctest_lock_threads);
+		LM_INFO("==== after acquiring the lock (idx: %d)\n", pidx);
+	}
+	return NULL;
+}
+
+static int mt_lock_threads_f(sip_msg_t *msg, char *pn, char *p2)
+{
+	int i;
+	int n;
+	pthread_t tid;
+
+	if(fixup_get_ivalue(msg, (gparam_t *)pn, &n) < 0) {
+		LM_ERR("invalid parameter\n");
+		return -1;
+	}
+
+	if(_misctest_lock_threads == NULL) {
+		LM_ERR("the lock is not initialized\n");
+		goto error;
+	}
+
+	for(i = 0; i < n; i++) {
+		if(pthread_create(&tid, NULL, mt_lock_threads_exec, (void *)(long)i)) {
+			LM_ERR("failed to start all worker threads\n");
+			goto error;
+		}
+	}
+
+	return 1;
+
+error:
+	return -1;
+}
/* RPC exports: */

    