Date: Thu, 10 Jul 2014 00:48:18 +0800 From: Julian Elischer <julian@freebsd.org> To: freebsd-arch@freebsd.org Subject: Re: sys/proc.h inclusion of sys/time.h Message-ID: <53BD7252.1010605@freebsd.org> In-Reply-To: <20140708210727.GA63071@stack.nl> References: <53BC4F49.7000903@FreeBSD.org> <20140708210727.GA63071@stack.nl>
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On 7/9/14, 5:07 AM, Jilles Tjoelker wrote: > On Tue, Jul 08, 2014 at 03:06:33PM -0500, Bryan Drewery wrote: >> In r34924 sys/proc.h was changed to only include sys/time.h if not >> building in kernel. >> [snip] >> (Why am I doing this? I need PID_MAX and NO_PID for a tcpdump change I >> am testing that is intended for upstreaming. Perhaps I can use >> kern.pid_max in __FreeBSD__ and other hacks on other platforms, I have >> not yet decided on this.) which I do every so often (*).. it's also needed for ibsc binaries (SCO?) which I have NEVER done. (*) about a year ago, compilinga freebsd-1.1 system on a fast modern system took just a few minutes. > The kern.pid_max sysctl is mostly intended for running FreeBSD 1.0 > binaries, which have a 16-bit pid_t. Therefore, it is run-time > adjustable and existing processes may have a pid higher than its value. > > Ideally, you do not need PID_MAX and NO_PID; try to use a variable of > type pid_t only for a process ID and store flags elsewhere. There may be > a problem if you need to read pid_t from an internal structure or > message, though. >
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