[sr-dev] git:master:1a20bcaa: core: mem - added shm_address_in(p)

[Daniel-Constantin Mierla]

Module: kamailio
Branch: master
Commit: 1a20bcaa35db4aa80d6460dfb0fb9c70026248c9
URL: https://github.com/kamailio/kamailio/commit/1a20bcaa35db4aa80d6460dfb0fb9c70026248c9

Author: Daniel-Constantin Mierla <miconda at gmail.com>
Committer: Daniel-Constantin Mierla <miconda at gmail.com>
Date: 2018-07-13T14:05:27+02:00

core: mem - added shm_address_in(p)

- return 1 if pointer p is inside shared memory zone, 0 otherwise

---

Modified: src/core/mem/shm.c
Modified: src/core/mem/shm.h

---

Diff:  https://github.com/kamailio/kamailio/commit/1a20bcaa35db4aa80d6460dfb0fb9c70026248c9.diff
Patch: https://github.com/kamailio/kamailio/commit/1a20bcaa35db4aa80d6460dfb0fb9c70026248c9.patch

---

diff --git a/src/core/mem/shm.c b/src/core/mem/shm.c
index 3dbc34f11a..2cecb1110e 100644
--- a/src/core/mem/shm.c
+++ b/src/core/mem/shm.c
@@ -165,6 +165,28 @@ void* shm_core_get_pool(void)
 	return _shm_core_pools_mem[0];
 }
 
+/**
+ *
+ */
+int shm_address_in(void *p)
+{
+	int i;
+
+	for(i = 0; i < _shm_core_pools_num; i++) {
+		if(_shm_core_pools_mem[i] == (void *)-1) {
+			continue;
+		}
+		if(((char*)p >= (char*)_shm_core_pools_mem[i])
+				&& ((char*)p < ((char*)_shm_core_pools_mem[i]) + shm_mem_size)) {
+			/* address in shm zone */
+			return 1;
+		}
+	}
+
+	/* address not in shm zone */
+	return 0;
+}
+
 /**
  *
  */
diff --git a/src/core/mem/shm.h b/src/core/mem/shm.h
index 5d58071359..e36a94accc 100644
--- a/src/core/mem/shm.h
+++ b/src/core/mem/shm.h
@@ -86,6 +86,8 @@ int shm_init_manager(char *name);
 void shm_destroy_manager(void);
 void shm_print_manager(void);
 
+int shm_address_in(void *p);
+
 #define shm_available_safe() shm_available()
 #define shm_malloc_on_fork() do{}while(0)