From: Aleksey Avdeev <solo@solin.spb.ru> To: ALT Linux Team development discussions <devel@lists.altlinux.org> Subject: Re: [devel] Q: [python3-3.3.1] RLIMIT в hasher`е Date: Wed, 10 Apr 2013 18:41:36 +0400 Message-ID: <51657A20.3060304@solin.spb.ru> (raw) In-Reply-To: <20130410134558.GG10600@altlinux.org> [-- Attachment #1: Type: text/plain, Size: 2809 bytes --] 10.04.2013 17:45, Dmitry V. Levin пишет: > On Wed, Apr 10, 2013 at 05:36:15PM +0400, Aleksey Avdeev wrote: >> 10.04.2013 16:53, Dmitry V. Levin пишет: >>> On Wed, Apr 10, 2013 at 01:11:56PM +0400, Aleksey Avdeev wrote: >>>> Приветствую. >>>> >>>> Я правильно понимаю, что установка пользовательским процессом RLIMIT >>>> в 1000000, запрещена настройками hasher`а? >>> >>> $ hsh-run -- sh -c 'ulimit -Ha' >>> core file size (blocks, -c) unlimited >>> data seg size (kbytes, -d) unlimited >>> scheduling priority (-e) 0 >>> file size (blocks, -f) unlimited >>> pending signals (-i) 1032915 >>> max locked memory (kbytes, -l) 64 >>> max memory size (kbytes, -m) unlimited >>> open files (-n) 4096 >>> pipe size (512 bytes, -p) 8 >>> POSIX message queues (bytes, -q) 819200 >>> real-time priority (-r) 0 >>> stack size (kbytes, -s) unlimited >>> cpu time (seconds, -t) 7260 >>> max user processes (-u) 1024 >>> virtual memory (kbytes, -v) unlimited >>> file locks (-x) unlimited >>> >>> Привысить значения этих hard limits ядро не даст. >>> >>>> PS: В Python-3.3.1 такую операцию пытается сделать >>>> test.test_resource.ResourceTest. Если у нас это запрещено -- отключу тест. >>> >>> Какой именно лимит? >> >> В коде (см. >> <http://git.altlinux.org/people/solo/packages/?p=python3.git;a=blob;f=python3/Lib/test/test_resource.py;h=f3416b7b43ef2db9094401f65abe78222af7746a;hb=001b4a54de71226a2f7e0d9f5a409774a686effd>): >> >> # Issue 6083: Reference counting bug >> def test_setrusage_refcount(self): >> try: >> limits = resource.getrlimit(resource.RLIMIT_CPU) >> except AttributeError: >> pass >> else: >> class BadSequence: >> def __len__(self): >> return 2 >> def __getitem__(self, key): >> if key in (0, 1): >> return len(tuple(range(1000000))) ^^^^^^^ >> raise IndexError >> >> resource.setrlimit(resource.RLIMIT_CPU, BadSequence()) > > И какие значения RLIMIT_CPU в результате пытается установить этот код? 1000000 (см. выделение). Там в конечном итоге setrlimit(resource, &rl)(см. функцию resource_setrlimit(PyObject *self, PyObject *args) в <http://git.altlinux.org/people/solo/packages/?p=python3.git;a=blob;f=python3/Modules/resource.c;h=b294a8cfe169bbc209e7e183b2eedbe018ed14b0;hb=001b4a54de71226a2f7e0d9f5a409774a686effd>) возвращает errno == EPERM. -- С уважением. Алексей. [-- Attachment #2: OpenPGP digital signature --] [-- Type: application/pgp-signature, Size: 897 bytes --]
next prev parent reply other threads:[~2013-04-10 14:41 UTC|newest] Thread overview: 19+ messages / expand[flat|nested] mbox.gz Atom feed top 2013-04-10 9:11 Aleksey Avdeev 2013-04-10 12:53 ` Dmitry V. Levin 2013-04-10 13:36 ` Aleksey Avdeev 2013-04-10 13:45 ` Dmitry V. Levin 2013-04-10 14:41 ` Aleksey Avdeev [this message] 2013-04-10 15:47 ` Dmitry V. Levin 2013-04-10 17:06 ` Aleksey Avdeev 2013-04-10 17:39 ` Dmitry V. Levin 2013-04-11 12:51 ` Aleksey Avdeev 2013-04-11 13:02 ` Dmitry V. Levin 2013-04-10 19:10 ` Paul Wolneykien 2013-04-10 19:54 ` Aleksey Avdeev 2013-04-10 20:12 ` Dmitry V. Levin 2013-04-10 20:47 ` Aleksey Avdeev 2013-04-10 21:22 ` Dmitry V. Levin 2013-04-11 8:45 ` Sergey Y. Afonin 2013-04-11 11:48 ` Aleksey Avdeev 2013-04-11 11:55 ` Paul Wolneykien 2013-04-11 12:15 ` Aleksey Avdeev
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