Date: Thu, 25 Feb 2021 11:22:32 -0800 From: Alan Coopersmith <alan.coopersmith@...cle.com> To: libc-coord@...ts.openwall.com, David Goldblatt <davidtgoldblatt@...il.com> Subject: Re: Sized deallocation for C On 2/25/21 10:59 AM, David Goldblatt wrote: > Current Sized-Deallocation Support The libumem library included with Solaris and illumos as a user-space implementation of the kernel's slab allocator also does this, requiring the size be specified in calls to umem_free: https://docs.oracle.com/cd/E88353_01/html/E37843/umem-free-3malloc.html https://www.usenix.org/conference/2001-usenix-annual-technical-conference/magazines-and-vmem-extending-slab-allocator-many > 5. Implementations may provide extensions to query the usable size of an allocation Implementations that don't already do this and are thinking of adding it should consider the fairly common malloc_usable_size() API, already found in the GNU, FreeBSD, and Solaris libc implementations. -- -Alan Coopersmith- alan.coopersmith@...cle.com Oracle Solaris Engineering - https://blogs.oracle.com/alanc
Powered by blists - more mailing lists
Confused about mailing lists and their use? Read about mailing lists on Wikipedia and check out these guidelines on proper formatting of your messages.