From: Alexey Gladkov <gladkov.alexey@gmail.com> To: make-initrd@lists.altlinux.org Subject: Re: [make-initrd] [PATCH 1/3] Reimplement ueventd Date: Fri, 5 May 2023 19:02:40 +0200 Message-ID: <ZFU2sGjufnEXOC7L@example.org> (raw) In-Reply-To: <f02dba67-cca1-dbd9-c1bb-5f36585fa001@gmail.com> On Fri, May 05, 2023 at 06:08:25AM +0300, Leonid Krivoshein wrote: > > On 5/4/23 16:42, Alexey Gladkov wrote: > > [...] > > diff --git a/datasrc/ueventd/logging.c b/datasrc/ueventd/logging.c > > new file mode 100644 > > index 00000000..671f6814 > > --- /dev/null > > +++ b/datasrc/ueventd/logging.c > > @@ -0,0 +1,63 @@ > > +/* SPDX-License-Identifier: GPL-2.0-or-later */ > > + > > +#include <stdio.h> > > +#include <stdarg.h> > > +#include <strings.h> > > +#include <errno.h> > > +#include <time.h> > > + > > +#include "ueventd.h" > > + > > +#define default_logfile "/var/log/ueventd.log" > > + > > +int log_priority = LOG_INFO; > > + > > [...] > > +void message(int priority, const char *fmt, ...) > > +{ > > + va_list ap; > > + va_start(ap, fmt); > > + if (priority <= log_priority) { > > + time_t ts = time(NULL); > > + struct tm *t = localtime(&ts); > > + fprintf(stderr, "[%04d-%02d-%02d %02d:%02d:%02d] %s: ", > > + t->tm_year + 1900, t->tm_mon + 1, t->tm_mday, > > + t->tm_hour, t->tm_min, t->tm_sec, > > + program_invocation_short_name); > > Кажется, есть риск спутать сообщения от разных потоков, тут должен быть > целостный буферизированный вывод через snprintf(). Мой комментарий как > раз в месте потенциального разрыва. Если журналирование выстраивается в > один поток выполнения, проблемы нет. Ты абсолютно прав. Тут вообще всё нужно делать иначе. Это нужно делать через writev например. > > + vfprintf(stderr, fmt, ap); > > + fprintf(stderr, "\n"); > > + } > > + va_end(ap); > > +} > > [...] > > > -- > WBR, Leonid Krivoshein. > _______________________________________________ > Make-initrd mailing list > Make-initrd@lists.altlinux.org > https://lists.altlinux.org/mailman/listinfo/make-initrd -- Rgrds, legion
next prev parent reply other threads:[~2023-05-05 17:02 UTC|newest] Thread overview: 45+ messages / expand[flat|nested] mbox.gz Atom feed top 2023-05-04 13:42 [make-initrd] [PATCH 0/3] " Alexey Gladkov 2023-05-04 13:42 ` [make-initrd] [PATCH 1/3] " Alexey Gladkov 2023-05-05 3:08 ` Leonid Krivoshein 2023-05-05 17:02 ` Alexey Gladkov [this message] 2023-05-05 4:03 ` Leonid Krivoshein 2023-05-05 17:16 ` Alexey Gladkov 2023-05-05 5:21 ` Leonid Krivoshein 2023-05-05 17:24 ` Alexey Gladkov 2023-05-14 20:12 ` Leonid Krivoshein 2023-05-14 20:45 ` Alexey Gladkov 2023-05-14 20:57 ` Leonid Krivoshein 2023-05-15 8:52 ` Alexey Gladkov 2023-05-14 23:08 ` Leonid Krivoshein 2023-05-15 9:05 ` Alexey Gladkov 2023-05-15 0:47 ` Leonid Krivoshein 2023-05-15 9:12 ` Alexey Gladkov 2023-05-15 4:38 ` Leonid Krivoshein 2023-05-15 10:43 ` Alexey Gladkov 2023-05-18 6:39 ` Leonid Krivoshein 2023-05-18 7:05 ` Alexey Gladkov 2023-05-20 9:00 ` Leonid Krivoshein 2023-05-20 13:18 ` Alexey Gladkov 2023-05-20 15:17 ` Vladimir D. Seleznev 2023-05-20 17:23 ` Leonid Krivoshein 2023-05-20 18:51 ` Alexey Gladkov 2023-05-21 8:53 ` [make-initrd] [PATCH] ueventd: Don't use a epoll timeout when it's not needed Alexey Gladkov 2023-05-22 4:46 ` Leonid Krivoshein 2023-05-22 7:54 ` Alexey Gladkov 2023-05-22 9:19 ` Alexey Gladkov 2023-05-22 7:57 ` [make-initrd] [PATCH 1/2] ueventd: Fix memory leak Alexey Gladkov 2023-05-22 7:57 ` [make-initrd] [PATCH 2/2] ueventd: Change interface rd_asprintf_or_die Alexey Gladkov 2023-05-22 9:36 ` [make-initrd] [PATCH v2] " Alexey Gladkov 2023-05-20 16:37 ` [make-initrd] [PATCH 1/3] ueventd: Simplify call of the queue handler Alexey Gladkov 2023-05-20 16:37 ` [make-initrd] [PATCH 2/3] ueventd: Rename fd_list to fd_handler_list Alexey Gladkov 2023-05-20 16:37 ` [make-initrd] [PATCH 3/3] ueventd: Drop obsolete declarations Alexey Gladkov 2023-05-04 13:42 ` [make-initrd] [PATCH 2/3] Replace polld by uevent queue Alexey Gladkov 2023-05-04 13:42 ` [make-initrd] [PATCH 3/3] feature/kickstart: Reset rootdelay timer after kickstart Alexey Gladkov 2023-05-06 19:45 ` [make-initrd] ueventd: Add a prefix to the logging functions to avoid name collisions Alexey Gladkov 2023-05-06 19:45 ` [make-initrd] ueventd: Allow to configure the log destination Alexey Gladkov 2023-05-06 19:45 ` [make-initrd] ueventd: Pass the program name when initializing the logger Alexey Gladkov 2023-05-06 19:45 ` [make-initrd] ueventd: Rewrite logging function to make it more atomic Alexey Gladkov 2023-05-07 12:48 ` [make-initrd] [PATCH 0/3] Reimplement ueventd Alexey Gladkov 2023-05-13 11:50 ` Alexey Gladkov 2023-05-14 20:15 ` Leonid Krivoshein 2023-05-14 20:49 ` Alexey Gladkov
Reply instructions: You may reply publicly to this message via plain-text email using any one of the following methods: * Save the following mbox file, import it into your mail client, and reply-to-all from there: mbox Avoid top-posting and favor interleaved quoting: https://en.wikipedia.org/wiki/Posting_style#Interleaved_style * Reply using the --to, --cc, and --in-reply-to switches of git-send-email(1): git send-email \ --in-reply-to=ZFU2sGjufnEXOC7L@example.org \ --to=gladkov.alexey@gmail.com \ --cc=make-initrd@lists.altlinux.org \ /path/to/YOUR_REPLY https://kernel.org/pub/software/scm/git/docs/git-send-email.html * If your mail client supports setting the In-Reply-To header via mailto: links, try the mailto: link
Make-initrd development discussion This inbox may be cloned and mirrored by anyone: git clone --mirror http://lore.altlinux.org/make-initrd/0 make-initrd/git/0.git # If you have public-inbox 1.1+ installed, you may # initialize and index your mirror using the following commands: public-inbox-init -V2 make-initrd make-initrd/ http://lore.altlinux.org/make-initrd \ make-initrd@lists.altlinux.org make-initrd@lists.altlinux.ru make-initrd@lists.altlinux.com public-inbox-index make-initrd Example config snippet for mirrors. Newsgroup available over NNTP: nntp://lore.altlinux.org/org.altlinux.lists.make-initrd AGPL code for this site: git clone https://public-inbox.org/public-inbox.git