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https://github.com/systemd/systemd-stable.git
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1aa1e24848
We never used any of the libsysfs convenience features. Here we replace it completely with 300 lines of code, which are much simpler and a bit faster cause udev(d) does not open any syfs file for a simple event which does not need any parent device information. Signed-off-by: Kay Sievers <kay.sievers@suse.de>
74 lines
1.5 KiB
C
74 lines
1.5 KiB
C
/*
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* udev_run_directory.c - directory multiplexer
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*
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* Copyright (C) 2005 Kay Sievers <kay@vrfy.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation version 2 of the License.
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*
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <stddef.h>
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#include <dirent.h>
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#include <errno.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <limits.h>
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#include <sys/types.h>
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#include <sys/wait.h>
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#include <sys/stat.h>
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#include "../../udev.h"
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#include "run_directory.h"
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static int exec_program(const char *filename, const char *subsystem)
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{
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pid_t pid;
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dbg("running %s", filename);
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pid = fork();
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switch (pid) {
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case 0:
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/* child */
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execl(filename, filename, subsystem, NULL);
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dbg("exec of child failed");
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_exit(1);
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case -1:
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dbg("fork of child failed");
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break;
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return -1;
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default:
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waitpid(pid, NULL, 0);
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}
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return 0;
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}
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int run_directory(const char *dir, const char *suffix, const char *subsystem)
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{
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struct name_entry *name_loop, *name_tmp;
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struct stat buf;
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LIST_HEAD(name_list);
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dbg("looking at '%s'", dir);
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if (stat(dir, &buf) != 0) {
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dbg("directory '%s' not found", dir);
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return 0;
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}
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add_matching_files(&name_list, dir, suffix);
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list_for_each_entry_safe(name_loop, name_tmp, &name_list, node) {
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exec_program(name_loop->name, subsystem);
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list_del(&name_loop->node);
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}
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logging_close();
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return 0;
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}
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