xpipe: introduce (saves ~170 bytes)

udhcp/signalpipe.c: use pipe instead of socketpair.



git-svn-id: svn://busybox.net/trunk/busybox@18695 69ca8d6d-28ef-0310-b511-8ec308f3f277

2 files changed, 3 insertions, 5 deletions

diff --git a/archival/libunarchive/open_transformer.c b/archival/libunarchive/open_transformer.c
index 456d3e986..58a89b918 100644
--- a/archival/libunarchive/open_transformer.c
+++ b/archival/libunarchive/open_transformer.c
@@ -17,9 +17,7 @@ int open_transformer(int src_fd,
         int fd_pipe[2];
         int pid;
 
-        if (pipe(fd_pipe) != 0) {
-                bb_perror_msg_and_die("can't create pipe");
-        }
+        xpipe(fd_pipe);
 
         pid = fork();
         if (pid == -1) {
diff --git a/archival/tar.c b/archival/tar.c
index 79979b05f..e634cc670 100644
--- a/archival/tar.c
+++ b/archival/tar.c
@@ -507,8 +507,8 @@ static int writeTarFile(const int tar_fd, const int verboseFlag,
                 volatile int vfork_exec_errno = 0;
                 const char *zip_exec = (gzip == 1) ? "gzip" : "bzip2";
 
-                if (pipe(gzipDataPipe) < 0 || pipe(gzipStatusPipe) < 0)
-                        bb_perror_msg_and_die("pipe");
+                xpipe(gzipDataPipe);
+                xpipe(gzipStatusPipe);
 
                 signal(SIGPIPE, SIG_IGN); /* we only want EPIPE on errors */