daemon: move daemonize() to libgit.a

diff --git a/unix-socket.c b/unix-socket.c
index 7d8bec6158788c339a3f54869be1ed691742da6f..01f119f9700791ddc59a81cdc80fd365e678622a 100644 (file)
--- a/unix-socket.c
+++ b/unix-socket.c
@@ -73,25 +73,29 @@ static int unix_sockaddr_init(struct sockaddr_un *sa, const char *path,
 
 int unix_stream_connect(const char *path)
 {
-       int fd;
+       int fd, saved_errno;
        struct sockaddr_un sa;
        struct unix_sockaddr_context ctx;
 
        if (unix_sockaddr_init(&sa, path, &ctx) < 0)
                return -1;
        fd = unix_stream_socket();
-       if (connect(fd, (struct sockaddr *)&sa, sizeof(sa)) < 0) {
-               unix_sockaddr_cleanup(&ctx);
-               close(fd);
-               return -1;
-       }
+       if (connect(fd, (struct sockaddr *)&sa, sizeof(sa)) < 0)
+               goto fail;
        unix_sockaddr_cleanup(&ctx);
        return fd;
+
+fail:
+       saved_errno = errno;
+       unix_sockaddr_cleanup(&ctx);
+       close(fd);
+       errno = saved_errno;
+       return -1;
 }
 
 int unix_stream_listen(const char *path)
 {
-       int fd;
+       int fd, saved_errno;
        struct sockaddr_un sa;
        struct unix_sockaddr_context ctx;
 
@@ -100,18 +104,19 @@ int unix_stream_listen(const char *path)
        fd = unix_stream_socket();
 
        unlink(path);
-       if (bind(fd, (struct sockaddr *)&sa, sizeof(sa)) < 0) {
-               unix_sockaddr_cleanup(&ctx);
-               close(fd);
-               return -1;
-       }
+       if (bind(fd, (struct sockaddr *)&sa, sizeof(sa)) < 0)
+               goto fail;
 
-       if (listen(fd, 5) < 0) {
-               unix_sockaddr_cleanup(&ctx);
-               close(fd);
-               return -1;
-       }
+       if (listen(fd, 5) < 0)
+               goto fail;
 
        unix_sockaddr_cleanup(&ctx);
        return fd;
+
+fail:
+       saved_errno = errno;
+       unix_sockaddr_cleanup(&ctx);
+       close(fd);
+       errno = saved_errno;
+       return -1;
 }