Merge branch 'jk/async-pkt-line'

The debugging infrastructure for pkt-line based communication has
been improved to mark the side-band communication specifically.

* jk/async-pkt-line:
  pkt-line: show packets in async processes as "sideband"
  run-command: provide in_async query function

1 files changed, 15 insertions, 1 deletions

diff --git a/run-command.c b/run-command.c
index 3277cf797..c8029f239 100644
--- a/run-command.c
+++ b/run-command.c
@@ -595,7 +595,7 @@ static NORETURN void die_async(const char *err, va_list params)
 {
 	vreportf("fatal: ", err, params);
 
-	if (!pthread_equal(main_thread, pthread_self())) {
+	if (in_async()) {
 		struct async *async = pthread_getspecific(async_key);
 		if (async->proc_in >= 0)
 			close(async->proc_in);
@@ -614,6 +614,13 @@ static int async_die_is_recursing(void)
 	return ret != NULL;
 }
 
+int in_async(void)
+{
+	if (!main_thread_set)
+		return 0; /* no asyncs started yet */
+	return !pthread_equal(main_thread, pthread_self());
+}
+
 #else
 
 static struct {
@@ -653,6 +660,12 @@ int git_atexit(void (*handler)(void))
 }
 #define atexit git_atexit
 
+static int process_is_async;
+int in_async(void)
+{
+	return process_is_async;
+}
+
 #endif
 
 int start_async(struct async *async)
@@ -712,6 +725,7 @@ int start_async(struct async *async)
 		if (need_out)
 			close(fdout[0]);
 		git_atexit_clear();
+		process_is_async = 1;
 		exit(!!async->proc(proc_in, proc_out, async->data));
 	}