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-rw-r--r--src/test/test-udev.c13
-rw-r--r--src/udev/udev-event.c24
-rw-r--r--src/udev/udev-rules.c11
-rw-r--r--src/udev/udev.h11
-rw-r--r--src/udev/udevadm-test.c3
-rw-r--r--src/udev/udevd.c13
6 files changed, 29 insertions, 46 deletions
diff --git a/src/test/test-udev.c b/src/test/test-udev.c
index f3953fe26a..d1fe953071 100644
--- a/src/test/test-udev.c
+++ b/src/test/test-udev.c
@@ -28,6 +28,7 @@
#include "missing.h"
#include "selinux-util.h"
+#include "signal-util.h"
#include "udev.h"
#include "udev-util.h"
@@ -79,7 +80,6 @@ int main(int argc, char *argv[]) {
char syspath[UTIL_PATH_SIZE];
const char *devpath;
const char *action;
- sigset_t mask, sigmask_orig;
int err;
err = fake_filesystems();
@@ -93,8 +93,6 @@ int main(int argc, char *argv[]) {
log_debug("version %s", VERSION);
mac_selinux_init("/dev");
- sigprocmask(SIG_SETMASK, NULL, &sigmask_orig);
-
action = argv[1];
if (action == NULL) {
log_error("action missing");
@@ -118,8 +116,7 @@ int main(int argc, char *argv[]) {
event = udev_event_new(dev);
- sigfillset(&mask);
- sigprocmask(SIG_SETMASK, &mask, &sigmask_orig);
+ assert_se(sigprocmask_many(SIG_BLOCK, SIGTERM, SIGINT, SIGHUP, SIGCHLD, -1) == 0);
/* do what devtmpfs usually provides us */
if (udev_device_get_devnode(dev) != NULL) {
@@ -142,11 +139,9 @@ int main(int argc, char *argv[]) {
udev_event_execute_rules(event,
3 * USEC_PER_SEC, USEC_PER_SEC,
NULL,
- rules,
- &sigmask_orig);
+ rules);
udev_event_execute_run(event,
- 3 * USEC_PER_SEC, USEC_PER_SEC,
- NULL);
+ 3 * USEC_PER_SEC, USEC_PER_SEC);
out:
mac_selinux_finish();
diff --git a/src/udev/udev-event.c b/src/udev/udev-event.c
index 3488ff3370..4dcf8f2e1c 100644
--- a/src/udev/udev-event.c
+++ b/src/udev/udev-event.c
@@ -385,7 +385,7 @@ out:
}
static int spawn_exec(struct udev_event *event,
- const char *cmd, char *const argv[], char **envp, const sigset_t *sigmask,
+ const char *cmd, char *const argv[], char **envp,
int fd_stdout, int fd_stderr) {
_cleanup_close_ int fd = -1;
@@ -413,9 +413,8 @@ static int spawn_exec(struct udev_event *event,
/* terminate child in case parent goes away */
prctl(PR_SET_PDEATHSIG, SIGTERM);
- /* restore original udev sigmask before exec */
- if (sigmask)
- sigprocmask(SIG_SETMASK, sigmask, NULL);
+ /* restore sigmask before exec */
+ (void) reset_signal_mask();
execve(argv[0], argv, envp);
@@ -699,7 +698,7 @@ out:
int udev_event_spawn(struct udev_event *event,
usec_t timeout_usec,
usec_t timeout_warn_usec,
- const char *cmd, char **envp, const sigset_t *sigmask,
+ const char *cmd, char **envp,
char *result, size_t ressize) {
int outpipe[2] = {-1, -1};
int errpipe[2] = {-1, -1};
@@ -749,7 +748,7 @@ int udev_event_spawn(struct udev_event *event,
log_debug("starting '%s'", cmd);
- spawn_exec(event, cmd, argv, envp, sigmask,
+ spawn_exec(event, cmd, argv, envp,
outpipe[WRITE_END], errpipe[WRITE_END]);
_exit(2 );
@@ -811,8 +810,7 @@ static int rename_netif(struct udev_event *event) {
void udev_event_execute_rules(struct udev_event *event,
usec_t timeout_usec, usec_t timeout_warn_usec,
struct udev_list *properties_list,
- struct udev_rules *rules,
- const sigset_t *sigmask) {
+ struct udev_rules *rules) {
struct udev_device *dev = event->dev;
if (udev_device_get_subsystem(dev) == NULL)
@@ -828,8 +826,7 @@ void udev_event_execute_rules(struct udev_event *event,
udev_rules_apply_to_event(rules, event,
timeout_usec, timeout_warn_usec,
- properties_list,
- sigmask);
+ properties_list);
if (major(udev_device_get_devnum(dev)) != 0)
udev_node_remove(dev);
@@ -847,8 +844,7 @@ void udev_event_execute_rules(struct udev_event *event,
udev_rules_apply_to_event(rules, event,
timeout_usec, timeout_warn_usec,
- properties_list,
- sigmask);
+ properties_list);
/* rename a new network interface, if needed */
if (udev_device_get_ifindex(dev) > 0 && streq(udev_device_get_action(dev), "add") &&
@@ -911,7 +907,7 @@ void udev_event_execute_rules(struct udev_event *event,
}
}
-void udev_event_execute_run(struct udev_event *event, usec_t timeout_usec, usec_t timeout_warn_usec, const sigset_t *sigmask) {
+void udev_event_execute_run(struct udev_event *event, usec_t timeout_usec, usec_t timeout_warn_usec) {
struct udev_list_entry *list_entry;
udev_list_entry_foreach(list_entry, udev_list_get_entry(&event->run_list)) {
@@ -934,7 +930,7 @@ void udev_event_execute_run(struct udev_event *event, usec_t timeout_usec, usec_
udev_event_apply_format(event, cmd, program, sizeof(program));
envp = udev_device_get_properties_envp(event->dev);
- udev_event_spawn(event, timeout_usec, timeout_warn_usec, program, envp, sigmask, NULL, 0);
+ udev_event_spawn(event, timeout_usec, timeout_warn_usec, program, envp, NULL, 0);
}
}
}
diff --git a/src/udev/udev-rules.c b/src/udev/udev-rules.c
index c2b20cf547..915371525f 100644
--- a/src/udev/udev-rules.c
+++ b/src/udev/udev-rules.c
@@ -633,7 +633,7 @@ static int import_file_into_properties(struct udev_device *dev, const char *file
static int import_program_into_properties(struct udev_event *event,
usec_t timeout_usec,
usec_t timeout_warn_usec,
- const char *program, const sigset_t *sigmask) {
+ const char *program) {
struct udev_device *dev = event->dev;
char **envp;
char result[UTIL_LINE_SIZE];
@@ -641,7 +641,7 @@ static int import_program_into_properties(struct udev_event *event,
int err;
envp = udev_device_get_properties_envp(dev);
- err = udev_event_spawn(event, timeout_usec, timeout_warn_usec, program, envp, sigmask, result, sizeof(result));
+ err = udev_event_spawn(event, timeout_usec, timeout_warn_usec, program, envp, result, sizeof(result));
if (err < 0)
return err;
@@ -1895,8 +1895,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules,
struct udev_event *event,
usec_t timeout_usec,
usec_t timeout_warn_usec,
- struct udev_list *properties_list,
- const sigset_t *sigmask) {
+ struct udev_list *properties_list) {
struct token *cur;
struct token *rule;
enum escape_type esc = ESCAPE_UNSET;
@@ -2132,7 +2131,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules,
rules_str(rules, rule->rule.filename_off),
rule->rule.filename_line);
- if (udev_event_spawn(event, timeout_usec, timeout_warn_usec, program, envp, sigmask, result, sizeof(result)) < 0) {
+ if (udev_event_spawn(event, timeout_usec, timeout_warn_usec, program, envp, result, sizeof(result)) < 0) {
if (cur->key.op != OP_NOMATCH)
goto nomatch;
} else {
@@ -2168,7 +2167,7 @@ int udev_rules_apply_to_event(struct udev_rules *rules,
rules_str(rules, rule->rule.filename_off),
rule->rule.filename_line);
- if (import_program_into_properties(event, timeout_usec, timeout_warn_usec, import, sigmask) != 0)
+ if (import_program_into_properties(event, timeout_usec, timeout_warn_usec, import) != 0)
if (cur->key.op != OP_NOMATCH)
goto nomatch;
break;
diff --git a/src/udev/udev.h b/src/udev/udev.h
index 1b17c615b8..fd8504c424 100644
--- a/src/udev/udev.h
+++ b/src/udev/udev.h
@@ -20,7 +20,6 @@
#include <sys/types.h>
#include <sys/param.h>
-#include <signal.h>
#include "macro.h"
#include "sd-rtnl.h"
@@ -73,8 +72,7 @@ struct udev_rules *udev_rules_unref(struct udev_rules *rules);
bool udev_rules_check_timestamp(struct udev_rules *rules);
int udev_rules_apply_to_event(struct udev_rules *rules, struct udev_event *event,
usec_t timeout_usec, usec_t timeout_warn_usec,
- struct udev_list *properties_list,
- const sigset_t *sigmask);
+ struct udev_list *properties_list);
int udev_rules_apply_static_dev_perms(struct udev_rules *rules);
/* udev-event.c */
@@ -86,14 +84,13 @@ int udev_event_apply_subsys_kernel(struct udev_event *event, const char *string,
int udev_event_spawn(struct udev_event *event,
usec_t timeout_usec,
usec_t timeout_warn_usec,
- const char *cmd, char **envp, const sigset_t *sigmask,
+ const char *cmd, char **envp,
char *result, size_t ressize);
void udev_event_execute_rules(struct udev_event *event,
usec_t timeout_usec, usec_t timeout_warn_usec,
struct udev_list *properties_list,
- struct udev_rules *rules,
- const sigset_t *sigset);
-void udev_event_execute_run(struct udev_event *event, usec_t timeout_usec, usec_t timeout_warn_usec, const sigset_t *sigset);
+ struct udev_rules *rules);
+void udev_event_execute_run(struct udev_event *event, usec_t timeout_usec, usec_t timeout_warn_usec);
int udev_build_argv(struct udev *udev, char *cmd, int *argc, char *argv[]);
/* udev-watch.c */
diff --git a/src/udev/udevadm-test.c b/src/udev/udevadm-test.c
index 46ec0e3225..d04e618d0d 100644
--- a/src/udev/udevadm-test.c
+++ b/src/udev/udevadm-test.c
@@ -135,8 +135,7 @@ static int adm_test(struct udev *udev, int argc, char *argv[]) {
udev_event_execute_rules(event,
60 * USEC_PER_SEC, 20 * USEC_PER_SEC,
NULL,
- rules,
- &sigmask_orig);
+ rules);
udev_list_entry_foreach(entry, udev_device_get_properties_list_entry(dev))
printf("%s=%s\n", udev_list_entry_get_name(entry), udev_list_entry_get_value(entry));
diff --git a/src/udev/udevd.c b/src/udev/udevd.c
index 056cf8c8ee..830bad9541 100644
--- a/src/udev/udevd.c
+++ b/src/udev/udevd.c
@@ -42,6 +42,8 @@
#include "sd-daemon.h"
#include "sd-event.h"
+
+#include "signal-util.h"
#include "event-util.h"
#include "rtnl-util.h"
#include "cgroup-util.h"
@@ -69,7 +71,6 @@ typedef struct Manager {
struct udev_list_node events;
char *cgroup;
pid_t pid; /* the process that originally allocated the manager object */
- sigset_t sigmask_orig;
struct udev_rules *rules;
struct udev_list properties;
@@ -448,12 +449,10 @@ static void worker_spawn(Manager *manager, struct event *event) {
udev_event_execute_rules(udev_event,
arg_event_timeout_usec, arg_event_timeout_warn_usec,
&manager->properties,
- manager->rules,
- &manager->sigmask_orig);
+ manager->rules);
udev_event_execute_run(udev_event,
- arg_event_timeout_usec, arg_event_timeout_warn_usec,
- &manager->sigmask_orig);
+ arg_event_timeout_usec, arg_event_timeout_warn_usec);
if (udev_event->rtnl)
/* in case rtnl was initialized */
@@ -1513,7 +1512,6 @@ static int manager_new(Manager **ret) {
}
static int manager_listen(Manager *manager) {
- sigset_t mask;
int r, fd_worker, one = 1;
assert(manager);
@@ -1536,8 +1534,7 @@ static int manager_listen(Manager *manager) {
udev_watch_restore(manager->udev);
/* block and listen to all signals on signalfd */
- sigfillset(&mask);
- sigprocmask(SIG_SETMASK, &mask, &manager->sigmask_orig);
+ assert_se(sigprocmask_many(SIG_BLOCK, SIGTERM, SIGINT, SIGHUP, SIGCHLD, -1) == 0);
r = sd_event_default(&manager->event);
if (r < 0)
generated by cgit v1.2.3-54-g00ecf (git 2.45.2) at 2024-07-23 23:51:34 +0000