From 37b1549f792005caaa2d87716b8f71cb1efc390f Mon Sep 17 00:00:00 2001
From: Nikita Ivanov <nikita.vyach.ivanov@gmail.com>
Date: Sun, 24 Jul 2022 17:58:55 +0500
Subject: [PATCH] Fix: __sighandler_t is not portable

---
 src/server.c | 6 ------
 src/utils.c  | 6 ++++++
 src/utils.h  | 4 ++++
 3 files changed, 10 insertions(+), 6 deletions(-)

diff --git a/src/server.c b/src/server.c
index 10602ef..0e14f9b 100644
--- a/src/server.c
+++ b/src/server.c
@@ -34,12 +34,6 @@ static void sig_handler_exit(int s)
     do_exit = 1;
 }
 
-static int register_signal(int sig, __sighandler_t handler)
-{
-    ERRCHK_RET_ERN(signal(sig, handler) == SIG_ERR);
-    return OK;
-}
-
 static int open_fifo(int *fd, char *f)
 {
     ERRCHK_RET_ERN((*fd = open(f, O_RDONLY | O_NONBLOCK)) == -1);
diff --git a/src/utils.c b/src/utils.c
index 894bd6c..1b382ad 100644
--- a/src/utils.c
+++ b/src/utils.c
@@ -159,3 +159,9 @@ const char *get_ext(const char *path)
 
     return dot;
 }
+
+int register_signal(int sig, SigHandler handler)
+{
+    ERRCHK_RET_ERN(signal(sig, handler) == SIG_ERR);
+    return OK;
+}
diff --git a/src/utils.h b/src/utils.h
index 3e8194f..c9c41b4 100644
--- a/src/utils.h
+++ b/src/utils.h
@@ -23,6 +23,8 @@
 
 typedef int (*SpawnProg)(const void *);
 
+typedef void (*SigHandler)(int);
+
 extern char *program;
 
 int spawn_redirect(const void *arg);
@@ -39,4 +41,6 @@ int get_config_dir(char *buf, size_t len, char *name);
 int mkpath(char* file_path, int mode);
 const char *get_ext(const char *path);
 
+int register_signal(int sig, SigHandler handler);
+
 #endif