Make-initrd development discussion
 help / color / mirror / Atom feed
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 19:16:18 +0200
Message-ID: <ZFU54lwQ+596AmGZ@example.org> (raw)
In-Reply-To: <42632f4d-b66e-a7f5-1610-74f54891e304@gmail.com>

On Fri, May 05, 2023 at 07:03:16AM +0300, Leonid Krivoshein wrote:
> 
> On 5/4/23 16:42, Alexey Gladkov wrote:
> > [...]
> > diff --git a/datasrc/ueventd/queue-processor.c b/datasrc/ueventd/queue-processor.c
> > new file mode 100644
> > index 00000000..ab5e03e4
> > --- /dev/null
> > +++ b/datasrc/ueventd/queue-processor.c
> > @@ -0,0 +1,116 @@
> > +/* SPDX-License-Identifier: GPL-2.0-or-later */
> > +
> > +#include <sys/types.h>
> > +#include <sys/stat.h>
> > +#include <sys/wait.h>
> > +
> > +#include <stdlib.h>
> > +#include <stdio.h>
> > +#include <string.h>
> > +#include <signal.h>
> > +#include <dirent.h>
> > +#include <fcntl.h>
> > +#include <errno.h>
> > +
> > +#include "ueventd.h"
> > +
> > +static void event_handler(struct watch *queue, char *path) __attribute__((nonnull(1, 2)));
> > +static void move_files(char *srcdir, char *dstdir)         __attribute__((nonnull(1, 2)));
> > +static void signal_unhandled_events(struct watch *queue)   __attribute__((nonnull(1)));
> > +
> > +void event_handler(struct watch *queue, char *path)
> > +{
> > +	char *argv[] = { handler_file, path, NULL };
> > +	pid_t pid = vfork();
> > +
> > +	if (pid < 0) {
> > +		err("fork: %m");
> 
> Сначала я подумал, что тут пропущен первый аргумент и таких мест 
> оказалось много. err() -- и твой макрос из ueventd.h, и стандартный 
> вызов из <err.h> с отличающейся семантикой. В новом коде ueventd 
> используется твой макрос, но в остальном коде make-initrd используется 
> стандартный вызов. Так недолго самому запутаться, см.: git grep 'err('.

Да, ты прав. Название неудачное. Сначала сделал со стандартными, но потом
пришлось делать свои так как ни err.h, ни syslog не умеют время выводить.

> > +
> > +	} else if (!pid) {
> > +		execve(argv[0], argv, environ);
> > +		fatal("exec: %s: %m", argv[0]);
> > +	} else {
> > +		int status = 0;
> > +
> > +		if (waitpid_retry(pid, &status, 0) != pid || !WIFEXITED(status))
> > +			info("%s: session=%lu: %s failed",
> > +			     queue->q_name, session, handler_file);
> > +		else
> > +			info("%s: session=%lu: %s finished with return code %d",
> > +			     queue->q_name, session, handler_file, WEXITSTATUS(status));
> > +	}
> > +}
> > [...]
> 
> 
> -- 
> WBR, Leonid Krivoshein.
> _______________________________________________
> Make-initrd mailing list
> Make-initrd@lists.altlinux.org
> https://lists.altlinux.org/mailman/listinfo/make-initrd

-- 
Rgrds, legion



  reply	other threads:[~2023-05-05 17:16 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
2023-05-05  4:03   ` Leonid Krivoshein
2023-05-05 17:16     ` Alexey Gladkov [this message]
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=ZFU54lwQ+596AmGZ@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