Date: Wed, 18 Mar 2015 20:25:31 +1100 From: Trevor Roydhouse <trev@sentry.org> To: freebsd-arm <freebsd-arm@freebsd.org> Subject: Re: pthread_create() munging malloc()ed memory? (malloc(), threads, and static linking) [RPI-B+, 10.1] Message-ID: <5509448B.20500@sentry.org> In-Reply-To: <6580F1DF-3A9F-42C1-A27F-75546FD73829@icloud.com> References: <6580F1DF-3A9F-42C1-A27F-75546FD73829@icloud.com>
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Molly (Dev Lists) wrote: > After a few iterations of this (in a loop in main()), those "non-zero" > bytes become zeroed out during the call to pthread_create(). This only > occurs a couple of times, and then the behavior seems to return to > normal for subsequent calls. [...] > This is running on a Raspberry Pi B+ using the 10.1-RELEASE image > (FreeBSD 10.1-RELEASE #0 r274401). clang is version 3.4.1 (the > version included in the base system). RPi B+ FreeBSD rpi 11.0-CURRENT FreeBSD 11.0-CURRENT #0 r278908: Tue Feb 17 23:25:47 UTC 2015 FreeBSD clang version 3.5.1 (tags/RELEASE_351/final 225668) 20150115 Target: armv6--freebsd11.0-gnueabi Thread model: posix trev@rpi [/home/trev] $ ./a.out Value in thread: 12345 Value in thread: 12345 Value in thread: 12345 Value in thread: 12345 Value in thread: 12345 Value in thread: 12345 Value in thread: 12345 Value in thread: 12345 Value in thread: 12345 Value in thread: 12345 Built as per: // Build with: cc -std=c11 -Weverything -pthread -static thisfile.c -- Trevor Roydhouse BJuris, LLB, LLM (UNSW) Systems Developer Australasian Legal Information Institute Web : www.austlii.edu.au
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