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NEURAL_HAM_LONG(-1.00)[-1.000]; MID_RHS_NOT_FQDN(0.50)[]; HAS_REPLYTO(0.30)[pvorel@suse.cz]; NEURAL_HAM_SHORT(-0.20)[-1.000]; MIME_GOOD(-0.10)[text/plain]; ARC_NA(0.00)[]; TO_DN_SOME(0.00)[]; MIME_TRACE(0.00)[0:+]; FUZZY_RATELIMITED(0.00)[rspamd.com]; RCVD_VIA_SMTP_AUTH(0.00)[]; MISSING_XM_UA(0.00)[]; RCVD_TLS_ALL(0.00)[]; RCPT_COUNT_THREE(0.00)[3]; FROM_EQ_ENVFROM(0.00)[]; FROM_HAS_DN(0.00)[]; DKIM_SIGNED(0.00)[suse.cz:s=susede2_rsa,suse.cz:s=susede2_ed25519]; DBL_BLOCKED_OPENRESOLVER(0.00)[imap1.dmz-prg2.suse.org:helo,suse.cz:replyto]; RCVD_COUNT_TWO(0.00)[2]; TO_MATCH_ENVRCPT_ALL(0.00)[]; REPLYTO_EQ_FROM(0.00)[] X-Virus-Scanned: clamav-milter 1.0.9 at in-2.smtp.seeweb.it X-Virus-Status: Clean Subject: Re: [LTP] [PATCH v3 1/9] syscalls: Add epoll_create03 X-BeenThere: ltp@lists.linux.it X-Mailman-Version: 2.1.29 Precedence: list List-Id: Linux Test Project List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Reply-To: Petr Vorel Cc: ltp@lists.linux.it Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-bounces+ltp=archiver.kernel.org@lists.linux.it Sender: "ltp" > Hi! > > > +static void setup(void) > > > +{ > > > + int fd; > > > + > > > + variant_info(); > > > + > > > + maxfds = SAFE_SYSCONF(_SC_OPEN_MAX); > > > + fds = SAFE_MALLOC(maxfds * sizeof(int)); > > > + memset(fds, -1, maxfds * sizeof(int)); > > > + > > > + fds[0] = SAFE_OPEN("dummy", O_RDWR | O_CREAT, 0700); > > > + nfds = 1; > > > + > > > + for (int i = 1; i < maxfds; i++) { > > > + fd = dup(fds[0]); > > > + if (fd == -1) > > > + break; > > > + fds[nfds++] = fd; > > > + } > > How many files are created is done via `ulimit -n`, right? (not sure if there > > is file for it in /proc/sys). > It's not about created files. There is a per-process limit on the number > of file descriptors. That can be accessed either via sysconf() or via > rlimit() and the values are also exported into /proc/$PID/limits. > > Would it be worth we check that? Or at least check that at least 2 files were > > opened? Maybe this check should be rather put into dup03.c. > I guess that it would make more sense to put such check into dup03.c. OK, let's ignore it. > However we would have to scan the whole file descriptor table first to > check on how many fds are already open. > Something as; > int used_fds = 0; > for (i = 0; i < maxfds; i++) { > if (fcntl(i, F_GETFD) != -1) > used_fds++; > } > Then we can expect that the limit for the test is maxfds - used_fd +1 I'll try to add it either into my TODO list or to the issues. Kind regards, Petr -- Mailing list info: https://lists.linux.it/listinfo/ltp