/* +----------------------------------------------------------------------+ | This source file is subject to version 2.00 of the Zend license, | | that is bundled with this package in the file LICENSE, and is | | available through the world-wide-web at the following url: | | http://www.zend.com/license/2_00.txt. | | If you did not receive a copy of the Zend license and are unable to | | obtain it through the world-wide-web, please send a note to | | license@zend.com so we can mail you a copy immediately. | +----------------------------------------------------------------------+ | Authors: Max Kellermann | +----------------------------------------------------------------------+ */ #ifndef ZEND_MMAP_H #define ZEND_MMAP_H #include "zend_portability.h" #ifdef __linux__ # include /* fallback definitions if our libc is older than the kernel */ # ifndef PR_SET_VMA # define PR_SET_VMA 0x53564d41 # endif # ifndef PR_SET_VMA_ANON_NAME # define PR_SET_VMA_ANON_NAME 0 # endif #endif // __linux__ /** * Set a name for the specified memory area. * * This feature requires Linux 5.17. */ static zend_always_inline void zend_mmap_set_name(const void *start, size_t len, const char *name) { #ifdef __linux__ prctl(PR_SET_VMA, PR_SET_VMA_ANON_NAME, (unsigned long)start, len, (unsigned long)name); #endif } #endif /* ZEND_MMAP_H */