mirror of https://github.com/hak5/openwrt-owl.git
Felix Fietkau
parent
ec07b537ee
commit
19ccf08628
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@ -1,44 +0,0 @@
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#
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# Copyright (C) 2006-2009 OpenWrt.org
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#
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# This is free software, licensed under the GNU General Public License v2.
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# See /LICENSE for more information.
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#
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include $(TOPDIR)/rules.mk
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PKG_NAME:=hotplug2-old
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PKG_VERSION:=0.9
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PKG_RELEASE:=3
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PKG_SOURCE:=hotplug2-$(PKG_VERSION).tar.gz
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PKG_SOURCE_URL:=http://isteve.bofh.cz/~isteve/hotplug2
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PKG_MD5SUM:=ea2c01d027b4002e4e6b0ff266f51a51
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PKG_BUILD_DIR:=$(BUILD_DIR)/hotplug2-$(PKG_VERSION)
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include $(INCLUDE_DIR)/package.mk
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define Package/hotplug2-old
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SECTION:=base
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CATEGORY:=Base system
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VERSION:=0.9+r102-$(PKG_RELEASE)
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TITLE:=Dynamic device management subsystem for embedded systems
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URL:=http://isteve.bofh.cz/~isteve/hotplug2/
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endef
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define Package/hotplug2-old/description
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Hotplug2 is a trivial replacement of some of the UDev functionality
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in a tiny pack, intended for Linux early userspace: Init RAM FS and InitRD.
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endef
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MAKE_FLAGS += CFLAGS="$(TARGET_CFLAGS) -DHAVE_RULES -I."
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define Package/hotplug2-old/install
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$(INSTALL_DIR) $(1)/etc
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$(INSTALL_DATA) ./files/hotplug2.rules $(1)/etc/
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$(INSTALL_DIR) $(1)/sbin
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$(INSTALL_BIN) $(PKG_BUILD_DIR)/hotplug2 $(1)/sbin/
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endef
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$(eval $(call BuildPackage,hotplug2-old))
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@ -1,10 +0,0 @@
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$include /etc/hotplug2-common.rules
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SUBSYSTEM ~~ (net|button|usb|platform|ieee1394|block|atm) {
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exec /sbin/hotplug-call %SUBSYSTEM%;
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}
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DEVICENAME ~~ (watchdog) {
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exec /sbin/watchdog -t 5 /dev/watchdog;
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next
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}
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File diff suppressed because it is too large
Load Diff
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@ -1,22 +0,0 @@
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Index: hotplug2-0.9/rules.c
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===================================================================
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--- hotplug2-0.9.orig/rules.c 2007-07-18 09:15:38.968308540 +0200
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+++ hotplug2-0.9/rules.c 2007-07-18 09:18:52.135316499 +0200
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@@ -756,6 +756,7 @@
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ERROR("rules parse","Unable to parse rules file.");
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return -1;
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}
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+ *return_rules = rules;
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unmap_file(&filemap);
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@@ -997,7 +998,8 @@
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if (!terminate) {
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/* A little bit hacky cleanup */
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- return_rules->rules_c--;
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+ if (!nested)
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+ return_rules->rules_c--;
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return return_rules;
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} else {
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/*
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@ -1,138 +0,0 @@
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Index: hotplug2-0.9/hotplug2.c
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===================================================================
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--- hotplug2-0.9.orig/hotplug2.c 2008-08-04 10:02:27.000000000 +0200
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+++ hotplug2-0.9/hotplug2.c 2008-08-04 10:03:04.000000000 +0200
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@@ -21,6 +21,7 @@
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#include <sys/mman.h>
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#include <linux/types.h>
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#include <linux/netlink.h>
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+#include <poll.h>
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#include "mem_utils.h"
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#include "filemap_utils.h"
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@@ -492,6 +493,11 @@
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char *coldplug_command = NULL;
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char *rules_file = HOTPLUG2_RULE_PATH;
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sigset_t block_mask;
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+ struct pollfd msg_poll;
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+
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+ struct hotplug2_event_t *backlog = NULL;
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+ struct hotplug2_event_t *backlog_tail = NULL;
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+ int n_backlog = 0;
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struct rules_t *rules = NULL;
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struct filemap_t filemap;
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@@ -602,6 +608,8 @@
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* Open netlink socket to read the uevents
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*/
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netlink_socket = init_netlink_socket(NETLINK_BIND);
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+ msg_poll.fd = netlink_socket;
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+ msg_poll.events = POLLIN;
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if (netlink_socket == -1) {
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ERROR("netlink init","Unable to open netlink socket.");
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@@ -642,20 +650,44 @@
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* Main loop reading uevents
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*/
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while (!terminate) {
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- /*
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- * Read the uevent packet
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- */
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- size = recv(netlink_socket, &buffer, sizeof(buffer), 0);
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- recv_errno = errno;
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+ if ((n_backlog > 0) && (child_c < max_child_c)) {
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+ /* dequeue backlog message */
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+ tmpevent = backlog;
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+ backlog = backlog->next;
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+ n_backlog--;
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+ if (backlog_tail == tmpevent)
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+ backlog_tail = NULL;
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+ } else {
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+ /*
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+ * Read the uevent packet
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+ */
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+ if (n_backlog >= HOTPLUG2_MSG_BACKLOG) {
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+ usleep(HOTPLUG2_THROTTLE_INTERVAL * 1000);
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+ continue;
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+ }
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+
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+ if ((n_backlog > 0) && (child_c >= max_child_c)) {
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+ int fds;
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+ msg_poll.revents = 0;
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+ fds = poll(&msg_poll, 1, HOTPLUG2_THROTTLE_INTERVAL);
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+ if (fds < 0) {
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+ continue;
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+ }
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+ if (fds == 0)
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+ continue;
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+ }
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+ size = recv(netlink_socket, &buffer, sizeof(buffer), 0);
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+ recv_errno = errno;
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- /*
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- * Parse the event into an event structure
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- */
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- tmpevent = get_hotplug2_event(buffer, size);
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+ /*
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+ * Parse the event into an event structure
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+ */
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+ tmpevent = get_hotplug2_event(buffer, size);
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- if (tmpevent == NULL) {
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- ERROR("reading events", "Malformed event read (missing action prefix).");
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- continue;
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+ if (tmpevent == NULL) {
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+ ERROR("reading events", "Malformed event read (missing action prefix).");
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+ continue;
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+ }
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}
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/*
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@@ -706,13 +738,16 @@
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* Unless, of course, we've specified otherwise and no rules that match
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* need throttling.
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*/
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- if (!flags & FLAG_NOTHROTTLE) {
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- /*
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- * Okay, throttle away!
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- */
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- while (child_c >= max_child_c) {
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- usleep(HOTPLUG2_THROTTLE_INTERVAL);
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- }
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+ if (!(flags & FLAG_NOTHROTTLE) && (child_c >= max_child_c)) {
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+ /* log the packet and process it later */
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+ if (backlog_tail)
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+ backlog_tail->next = tmpevent;
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+ else
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+ backlog = tmpevent;
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+ tmpevent->next = NULL;
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+ backlog_tail = tmpevent;
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+ n_backlog++;
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+ continue;
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}
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sigemptyset(&block_mask);
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Index: hotplug2-0.9/hotplug2.h
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===================================================================
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--- hotplug2-0.9.orig/hotplug2.h 2008-08-04 10:02:27.000000000 +0200
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+++ hotplug2-0.9/hotplug2.h 2008-08-04 10:02:27.000000000 +0200
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@@ -45,9 +45,9 @@
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#define DBG(action, fmt, arg...)
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#endif
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+#define HOTPLUG2_MSG_BACKLOG 64
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#define UEVENT_BUFFER_SIZE 2048
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-#define HOTPLUG2_POLL_INTERVAL 20000
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-#define HOTPLUG2_THROTTLE_INTERVAL 10000
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+#define HOTPLUG2_THROTTLE_INTERVAL 50
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#define HOTPLUG2_RULE_PATH "/etc/hotplug2.rules"
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#define ACTION_ADD 0
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@@ -76,6 +76,7 @@
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int env_vars_c;
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char *plain;
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int plain_s;
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+ struct hotplug2_event_t *next;
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};
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struct options_t {
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Loading…
Reference in New Issue