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util: unify implementation of NOP signal handler

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This is highly complex code after all, we really should make sure to
only keep one implementation of this extremely difficult function
around.
This commit is contained in:
Lennart Poettering 2015-09-23 01:32:44 +02:00
parent e6e242ad2d
commit 189d5bac5c
4 changed files with 8 additions and 6 deletions
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4
src/basic/util.c
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@ -6916,3 +6916,7 @@ int receive_one_fd(int transport_fd, int flags) {
return *(int*) CMSG_DATA(found);
}
void nop_signal_handler(int sig) {
/* nothing here */
}

2
src/basic/util.h
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@ -944,3 +944,5 @@ int fgetxattr_malloc(int fd, const char *name, char **value);
int send_one_fd(int transport_fd, int fd, int flags);
int receive_one_fd(int transport_fd, int flags);
void nop_signal_handler(int sig);

4
src/core/main.c
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@ -115,8 +115,6 @@ static bool arg_default_blockio_accounting = false;
static bool arg_default_memory_accounting = false;
static bool arg_default_tasks_accounting = false;
static void nop_handler(int sig) {}
static void pager_open_if_enabled(void) {
if (arg_no_pager <= 0)
@ -134,7 +132,7 @@ noreturn static void crash(int sig) {
log_emergency("Caught <%s>, not dumping core.", signal_to_string(sig));
else {
struct sigaction sa = {
.sa_handler = nop_handler,
.sa_handler = nop_signal_handler,
.sa_flags = SA_NOCLDSTOP|SA_RESTART,
};
pid_t pid;

4
src/nspawn/nspawn.c
View File

@ -2282,8 +2282,6 @@ static int wait_for_container(pid_t pid, ContainerStatus *container) {
return r;
}
static void nop_handler(int sig) {}
static int on_orderly_shutdown(sd_event_source *s, const struct signalfd_siginfo *si, void *userdata) {
pid_t pid;
@ -3241,7 +3239,7 @@ int main(int argc, char *argv[]) {
ContainerStatus container_status;
_cleanup_(barrier_destroy) Barrier barrier = BARRIER_NULL;
static const struct sigaction sa = {
.sa_handler = nop_handler,
.sa_handler = nop_signal_handler,
.sa_flags = SA_NOCLDSTOP,
};
int ifi = 0;