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

Module: kamailio Branch: master Commit: 1a20bcaa35db4aa80d6460dfb0fb9c70026248c9 URL: https://github.com/kamailio/kamailio/commit/1a20bcaa35db4aa80d6460dfb0fb9c7… Author: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; Committer: Daniel-Constantin Mierla &lt;miconda(a)gmail.com&gt; 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/1a20bcaa35db4aa80d6460dfb0fb9c7… Patch: https://github.com/kamailio/kamailio/commit/1a20bcaa35db4aa80d6460dfb0fb9c7… --- 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)