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-rw-r--r--run-command.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/run-command.c b/run-command.c
index a3b28a6..6af83c5 100644
--- a/run-command.c
+++ b/run-command.c
@@ -304,6 +304,9 @@ int start_async(struct async *async)
async->out = pipe_out[0];
#ifndef __MINGW32__
+ /* Flush stdio before fork() to avoid cloning buffers */
+ fflush(NULL);
+
async->pid = fork();
if (async->pid < 0) {
error("fork (async) failed: %s", strerror(errno));