Minor changes.

* src/tar.c (main): Ignore SIGPIPE.
* src/system.c (sys_child_open_for_compress)
(sys_child_open_for_uncompress): Reset SIGPIPE
in child to default.
* tests/remfiles01.at: Avoid race conditions.
* tests/remfiles02.at: Likewise.

src/system.c

@@ -331,7 +331,8 @@ sys_child_open_for_compress (void)
   /* The new born child tar is here!  */
 
   set_program_name (_("tar (child)"));
-
+  signal (SIGPIPE, SIG_DFL);
+  
   xdup2 (parent_pipe[PREAD], STDIN_FILENO);
   xclose (parent_pipe[PWRITE]);
 
@@ -474,7 +475,8 @@ sys_child_open_for_uncompress (void)
   /* The newborn child tar is here!  */
 
   set_program_name (_("tar (child)"));
-
+  signal (SIGPIPE, SIG_DFL);
+  
   xdup2 (parent_pipe[PWRITE], STDOUT_FILENO);
   xclose (parent_pipe[PREAD]);
 

src/tar.c

@@ -2556,7 +2556,7 @@ main (int argc, char **argv)
   obstack_init (&argv_stk);
 
   /* Ensure default behavior for some signals */
-  signal (SIGPIPE, SIG_DFL);
+  signal (SIGPIPE, SIG_IGN);
   /* System V fork+wait does not work if SIGCHLD is ignored.  */
   signal (SIGCHLD, SIG_DFL);