Date: Fri, 25 Aug 2006 20:10:29 +0200 From: Divacky Roman <xdivac02@stud.fit.vutbr.cz> To: Intron is my alias on the Internet <mag@intron.ac> Cc: freebsd-emulation@freebsd.org, freebsd-current@freebsd.org Subject: Re: Problems of New Linuxulator I Have Known Message-ID: <20060825181029.GA15247@stud.fit.vutbr.cz> In-Reply-To: <courier.44EF13E5.0000AA1D@intron.ac> References: <courier.44EE6A8A.00008655@intron.ac> <20060825084755.GA93151@stud.fit.vutbr.cz> <20060825133034.jglu4yf9j400sosw@netchild.homeip.net> <courier.44EF13E5.0000AA1D@intron.ac>
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On Fri, Aug 25, 2006 at 11:14:44PM +0800, Intron is my alias on the Internet wrote: > 1. Many options of clone(2) are not correctly implemented, some of > which may cause application crash when it wants to clone > memory-independent process. like? > 2. TLS (Thread Local Storage) support in clone(2), set_thread_area(2) > and get_thread_area(2) doesn't conform to Linux 2.6.x, which can > damage stack of Linux application using NPTL (Native POSIX Threads > Library). > > Of course, to obtain the conformation, FreeBSD native GDT must be > rearranged. But Linux NPTL is quite essential for modern Linux > applications. what do you mean that doesnt conform? TLS in linux is implemented using GDT. the only difference between fbsd and linux I can think of is that linux supports 3 gdt entries while fbsd just one. > 3. wakeup_one(9) instead of wakeup(9) should be used for futex(2) to > wake up a single sleeping thread. yes... I agree > 4. Some options of clock_gettime(2) actually can be implemented, though > FreeBSD native implementation is different from Linux's. I might look at it > 5. Code style problems: member naming of structure, macro naming, > function naming, encapsulation for queue(3) and so on. in my code or in the imported code? > In a word, may ORACLE 10g for Linux be able to run under FreeBSD soon. nice :)
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