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Message-ID: <20150829171730.GE7833@brightrain.aerifal.cx> Date: Sat, 29 Aug 2015 13:17:30 -0400 From: Rich Felker <dalias@...c.org> To: musl@...ts.openwall.com Subject: Re: [PATCH 2/2] make the number of spins tuneable On Sat, Aug 29, 2015 at 10:51:15AM +0200, Jens Gustedt wrote: > --- > src/thread/__wait.c | 8 +++++++- > 1 file changed, 7 insertions(+), 1 deletion(-) > > diff --git a/src/thread/__wait.c b/src/thread/__wait.c > index a93d41d..46501cb 100644 > --- a/src/thread/__wait.c > +++ b/src/thread/__wait.c > @@ -1,8 +1,14 @@ > #include "pthread_impl.h" > > +#ifndef __WAIT_SPINS > +# define __WAIT_SPINS 100 > +#endif > + > +int __wait_spins = __WAIT_SPINS; > + > void __wait(volatile int *addr, volatile int *waiters, int val, int priv) > { > - int spins=100; > + int spins=__wait_spins; > if (priv) priv = FUTEX_PRIVATE; > while (spins--) { > if (*addr==val) a_spin(); > -- > 2.1.4 I don't understand the intended usage. This is not suitable as a public API. Rich
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