signal: remove unused APIs

2 files changed, 0 insertions, 44 deletions

diff --git a/src/signal.c b/src/signal.c
index 2c80c85..d8f89bd 100644
--- a/src/signal.c
+++ b/src/signal.c
@@ -13,7 +13,6 @@
 
 #include <signal.h>
 #include <stddef.h>
-#include <string.h>
 #include <sys/signalfd.h>
 #include <unistd.h>
 
@@ -26,46 +25,6 @@ static void stops_set(sigset_t *set)
 		sigaddset(set, stop_signals[i]);
 }
 
-volatile sig_atomic_t global_stop_flag = 0;
-
-static void set_global_stop_flag(UNUSED int signum)
-{
-	global_stop_flag = 1;
-}
-
-static int my_sigaction(int signo, const struct sigaction *act)
-{
-	int ret = 0;
-
-	ret = sigaction(signo, act, NULL);
-	if (ret < 0) {
-		log_errno("sigaction");
-		return ret;
-	}
-
-	return ret;
-}
-
-int signal_handle_stops(void)
-{
-	int ret = 0;
-
-	struct sigaction sa;
-	memset(&sa, 0, sizeof(sa));
-	sa.sa_handler = set_global_stop_flag;
-
-	/* Don't care about proper cleanup here; we exit the program if this
-	 * fails anyway. */
-
-	for (size_t i = 0; i < sizeof(stop_signals) / sizeof(stop_signals[0]); ++i) {
-		ret = my_sigaction(stop_signals[i], &sa);
-		if (ret < 0)
-			return ret;
-	}
-
-	return ret;
-}
-
 static int signal_set(const sigset_t *new, sigset_t *old)
 {
 	int ret = 0;
diff --git a/src/signal.h b/src/signal.h
index d2b7a9c..0dda6ee 100644
--- a/src/signal.h
+++ b/src/signal.h
@@ -12,9 +12,6 @@
 
 #include <signal.h>
 
-extern volatile sig_atomic_t global_stop_flag;
-int signal_handle_stops(void);
-
 int signal_block_all(sigset_t *old);
 int signal_block_stops(void);