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On Dec 15 10:30, Yaakov Selkowitz wrote: > On 2014-12-15 09:11, Corinna Vinschen wrote: > >On Dec 11 12:08, Yaakov Selkowitz wrote: > >>Another of the stdio_ext functions from Solaris and glibc: > >> > >>https://docs.oracle.com/cd/E19683-01/816-0213/6m6ne37vm/index.html > >>http://man7.org/linux/man-pages/man3/stdio_ext.3.html > >> > >>Patch attached. > > > >Thanks. This patch introduces a problem for single thread targets. > >While _newlib_flockfile_start and friends where no-ops before (given > >that _flockfile/_funlockfile are no-ops), they now introduce a redundant > >check for a bit in fp->_flags2. This check *may* be removed by compiler > >optimization, but we shouldn't rely on that. What this patch needs is a > >new no-op-like definition of _newlib_flockfile_start and friends for > >single thread targets. > > Revised patch attached. The __SINGLE_THREAD__ version works afaics, so, looks good. Please apply. Thanks, Corinna -- Corinna Vinschen Cygwin Maintainer Red Hat
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