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-rw-r--r--lib/pure/osproc.nim4
1 files changed, 3 insertions, 1 deletions
diff --git a/lib/pure/osproc.nim b/lib/pure/osproc.nim
index 7378520e3..abc21b2b2 100644
--- a/lib/pure/osproc.nim
+++ b/lib/pure/osproc.nim
@@ -1143,7 +1143,9 @@ elif not defined(useNimRtl):
     var ret = waitpid(p.id, p.exitCode, WNOHANG)
     var b = ret == int(p.id)
     if b: result = -1
-    if not WIFEXITED(p.exitCode): result = -1
+    if not WIFEXITED(p.exitCode):
+      p.exitCode = -3
+      result = -1
     else: result = p.exitCode.int shr 8
 
   proc createStream(stream: var Stream, handle: var FileHandle,