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
next prev parent 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
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