From: Leonid Krivoshein <klark.devel@gmail.com>
To: make-initrd@lists.altlinux.org
Subject: Re: [make-initrd] [PATCH 1/3] Reimplement ueventd
Date: Fri, 5 May 2023 06:08:25 +0300
Message-ID: <f02dba67-cca1-dbd9-c1bb-5f36585fa001@gmail.com> (raw)
In-Reply-To: <6b444ed922286eb3df8f5322b1bddf9c55753eb8.1683200226.git.gladkov.alexey@gmail.com>
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.
> + vfprintf(stderr, fmt, ap);
> + fprintf(stderr, "\n");
> + }
> + va_end(ap);
> +}
> [...]
--
WBR, Leonid Krivoshein.
next prev parent reply other threads:[~2023-05-05 3:08 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 [this message]
2023-05-05 17:02 ` Alexey Gladkov
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
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