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, 4 deletions

diff --git a/runit/runsv.c b/runit/runsv.c
index bd4a81eee..d5bfd4e89 100644
--- a/runit/runsv.c
+++ b/runit/runsv.c
@@ -420,7 +420,7 @@ int runsv_main(int argc, char **argv)
         if (!argv[1] || argv[2]) usage();
         dir = argv[1];
 
-        if (pipe(selfpipe) == -1) fatal_cannot("create selfpipe");
+        xpipe(selfpipe);
         coe(selfpipe[0]);
         coe(selfpipe[1]);
         ndelay_on(selfpipe[0]);
@@ -456,8 +456,7 @@ int runsv_main(int argc, char **argv)
                         taia_now(&svd[1].start);
                         if (stat("log/down", &s) != -1)
                                 svd[1].want = W_DOWN;
-                        if (pipe(logpipe) == -1)
-                                fatal_cannot("create log pipe");
+                        xpipe(logpipe);
                         coe(logpipe[0]);
                         coe(logpipe[1]);
                 }
diff --git a/runit/runsvdir.c b/runit/runsvdir.c
index 39929fc49..4b94aa211 100644
--- a/runit/runsvdir.c
+++ b/runit/runsvdir.c
@@ -184,7 +184,7 @@ static int setup_log(void)
                 warnx("log must have at least seven characters");
                 return 0;
         }
-        if (pipe(logpipe) == -1) {
+        if (pipe(logpipe)) {
                 warnx("cannot create pipe for log");
                 return -1;
         }