t9300: factor out portable "head -c" replacement

diff --git a/run-command.h b/run-command.h
index 3d1e59e26e33d062a10698fc139f7fc0f4ae14ec..11f76b04edf65fe6117604782c220e55b2d80661 100644 (file)
--- a/run-command.h
+++ b/run-command.h
@@ -116,6 +116,7 @@ struct async {
        int proc_in;
        int proc_out;
 #endif
+       int isolate_sigpipe;
 };
 
 int start_async(struct async *async);
@@ -140,7 +141,7 @@ void NORETURN async_exit(int code);
  * return the negative signal number.
  */
 typedef int (*get_next_task_fn)(struct child_process *cp,
-                               struct strbuf *err,
+                               struct strbuf *out,
                                void *pp_cb,
                                void **pp_task_cb);
 
@@ -149,7 +150,7 @@ typedef int (*get_next_task_fn)(struct child_process *cp,
  * a new process.
  *
  * You must not write to stdout or stderr in this function. Add your
- * message to the strbuf err instead, which will be printed without
+ * message to the strbuf out instead, which will be printed without
  * messing up the output of the other parallel processes.
  *
  * pp_cb is the callback cookie as passed into run_processes_parallel,
@@ -159,7 +160,7 @@ typedef int (*get_next_task_fn)(struct child_process *cp,
  * To send a signal to other child processes for abortion, return
  * the negative signal number.
  */
-typedef int (*start_failure_fn)(struct strbuf *err,
+typedef int (*start_failure_fn)(struct strbuf *out,
                                void *pp_cb,
                                void *pp_task_cb);
 
@@ -167,7 +168,7 @@ typedef int (*start_failure_fn)(struct strbuf *err,
  * This callback is called on every child process that finished processing.
  *
  * You must not write to stdout or stderr in this function. Add your
- * message to the strbuf err instead, which will be printed without
+ * message to the strbuf out instead, which will be printed without
  * messing up the output of the other parallel processes.
  *
  * pp_cb is the callback cookie as passed into run_processes_parallel,
@@ -178,7 +179,7 @@ typedef int (*start_failure_fn)(struct strbuf *err,
  * the negative signal number.
  */
 typedef int (*task_finished_fn)(int result,
-                               struct strbuf *err,
+                               struct strbuf *out,
                                void *pp_cb,
                                void *pp_task_cb);