Date: Wed, 22 Aug 2012 00:59:18 +0000 (UTC) From: Kevin Lo <kevlo@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-stable@freebsd.org, svn-src-stable-9@freebsd.org Subject: svn commit: r239549 - stable/9/lib/libc/stdlib Message-ID: <201208220059.q7M0xIXC037940@svn.freebsd.org>
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Author: kevlo Date: Wed Aug 22 00:59:17 2012 New Revision: 239549 URL: http://svn.freebsd.org/changeset/base/239549 Log: MFC r239345: Make 'junk' volatile so that compilers won't be tempted to optimize Reviewed by: ache Modified: stable/9/lib/libc/stdlib/random.c Directory Properties: stable/9/lib/libc/ (props changed) Modified: stable/9/lib/libc/stdlib/random.c ============================================================================== --- stable/9/lib/libc/stdlib/random.c Tue Aug 21 23:55:29 2012 (r239548) +++ stable/9/lib/libc/stdlib/random.c Wed Aug 22 00:59:17 2012 (r239549) @@ -315,7 +315,7 @@ srandomdev() if (!done) { struct timeval tv; - unsigned long junk; + volatile unsigned long junk; gettimeofday(&tv, NULL); srandom((getpid() << 16) ^ tv.tv_sec ^ tv.tv_usec ^ junk);
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