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authorLuke Shumaker <lukeshu@sbcglobal.net>2016-12-17 03:04:41 -0500
committerLuke Shumaker <lukeshu@sbcglobal.net>2016-12-17 03:04:41 -0500
commitfd6ea8a3f4999133f8ac036a23584c3e5f9e9b3f (patch)
tree6cdd53846655b04b178b4b8057c915c61a9cb525 /src/udev/udevadm-settle.c
parent1841fdb0b10cb37b55d1af644a7e6edc4ab66cbd (diff)
./tools/notsd-move
Diffstat (limited to 'src/udev/udevadm-settle.c')
-rw-r--r--src/udev/udevadm-settle.c162
1 files changed, 0 insertions, 162 deletions
diff --git a/src/udev/udevadm-settle.c b/src/udev/udevadm-settle.c
deleted file mode 100644
index 6a5dc6e9e4..0000000000
--- a/src/udev/udevadm-settle.c
+++ /dev/null
@@ -1,162 +0,0 @@
-/*
- * Copyright (C) 2006-2009 Kay Sievers <kay@vrfy.org>
- * Copyright (C) 2009 Canonical Ltd.
- * Copyright (C) 2009 Scott James Remnant <scott@netsplit.com>
- *
- * This program is free software: you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation, either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program. If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <errno.h>
-#include <getopt.h>
-#include <poll.h>
-#include <stddef.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-
-#include "parse-util.h"
-#include "udev.h"
-#include "util.h"
-
-static void help(void) {
- printf("%s settle OPTIONS\n\n"
- "Wait for pending udev events.\n\n"
- " -h --help Show this help\n"
- " --version Show package version\n"
- " -t --timeout=SECONDS Maximum time to wait for events\n"
- " -E --exit-if-exists=FILE Stop waiting if file exists\n"
- , program_invocation_short_name);
-}
-
-static int adm_settle(struct udev *udev, int argc, char *argv[]) {
- static const struct option options[] = {
- { "timeout", required_argument, NULL, 't' },
- { "exit-if-exists", required_argument, NULL, 'E' },
- { "help", no_argument, NULL, 'h' },
- { "seq-start", required_argument, NULL, 's' }, /* removed */
- { "seq-end", required_argument, NULL, 'e' }, /* removed */
- { "quiet", no_argument, NULL, 'q' }, /* removed */
- {}
- };
- usec_t deadline;
- const char *exists = NULL;
- unsigned int timeout = 120;
- struct pollfd pfd[1] = { {.fd = -1}, };
- int c;
- struct udev_queue *queue;
- int rc = EXIT_FAILURE;
-
- while ((c = getopt_long(argc, argv, "t:E:hs:e:q", options, NULL)) >= 0) {
- switch (c) {
-
- case 't': {
- int r;
-
- r = safe_atou(optarg, &timeout);
- if (r < 0) {
- log_error_errno(r, "Invalid timeout value '%s': %m", optarg);
- return EXIT_FAILURE;
- }
- break;
- }
-
- case 'E':
- exists = optarg;
- break;
-
- case 'h':
- help();
- return EXIT_SUCCESS;
-
- case 's':
- case 'e':
- case 'q':
- log_info("Option -%c no longer supported.", c);
- return EXIT_FAILURE;
-
- case '?':
- return EXIT_FAILURE;
-
- default:
- assert_not_reached("Unknown argument");
- }
- }
-
- if (optind < argc) {
- fprintf(stderr, "Extraneous argument: '%s'\n", argv[optind]);
- return EXIT_FAILURE;
- }
-
- deadline = now(CLOCK_MONOTONIC) + timeout * USEC_PER_SEC;
-
- /* guarantee that the udev daemon isn't pre-processing */
- if (getuid() == 0) {
- struct udev_ctrl *uctrl;
-
- uctrl = udev_ctrl_new(udev);
- if (uctrl != NULL) {
- if (udev_ctrl_send_ping(uctrl, MAX(5U, timeout)) < 0) {
- log_debug("no connection to daemon");
- udev_ctrl_unref(uctrl);
- return EXIT_SUCCESS;
- }
- udev_ctrl_unref(uctrl);
- }
- }
-
- queue = udev_queue_new(udev);
- if (!queue) {
- log_error("unable to get udev queue");
- return EXIT_FAILURE;
- }
-
- pfd[0].events = POLLIN;
- pfd[0].fd = udev_queue_get_fd(queue);
- if (pfd[0].fd < 0) {
- log_debug("queue is empty, nothing to watch");
- rc = EXIT_SUCCESS;
- goto out;
- }
-
- for (;;) {
- if (exists && access(exists, F_OK) >= 0) {
- rc = EXIT_SUCCESS;
- break;
- }
-
- /* exit if queue is empty */
- if (udev_queue_get_queue_is_empty(queue)) {
- rc = EXIT_SUCCESS;
- break;
- }
-
- if (now(CLOCK_MONOTONIC) >= deadline)
- break;
-
- /* wake up when queue is empty */
- if (poll(pfd, 1, MSEC_PER_SEC) > 0 && pfd[0].revents & POLLIN)
- udev_queue_flush(queue);
- }
-
-out:
- udev_queue_unref(queue);
- return rc;
-}
-
-const struct udevadm_cmd udevadm_settle = {
- .name = "settle",
- .cmd = adm_settle,
- .help = "Wait for pending udev events",
-};