From 03c70a8d81f14ce46bc3410b08f5956d6af34d82 Mon Sep 17 00:00:00 2001
From: wm4 <wm4@nowhere>
Date: Sat, 27 Jun 2015 21:08:55 +0200
Subject: subprocess, lua: export whether the process was killed by us

We want to distinguish actual errors, and just aborting the program
intentionally.

Also be a bit more careful with handling the wait() exit status: do not
called WEXITSTATUS() without checking WIFEXITED() first.
---
 osdep/subprocess.h | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'osdep/subprocess.h')

diff --git a/osdep/subprocess.h b/osdep/subprocess.h
index 1bd5afe1f8..33c4013f6d 100644
--- a/osdep/subprocess.h
+++ b/osdep/subprocess.h
@@ -28,6 +28,8 @@ typedef void (*subprocess_read_cb)(void *ctx, char *data, size_t size);
 int mp_subprocess(char **args, struct mp_cancel *cancel, void *ctx,
                   subprocess_read_cb on_stdout, subprocess_read_cb on_stderr,
                   char **error);
+// mp_subprocess return values. -1 is a generic error code.
+#define MP_SUBPROCESS_EKILLED_BY_US -2
 
 struct mp_log;
 void mp_subprocess_detached(struct mp_log *log, char **args);
-- 
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