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-rw-r--r--qemu-ga.c17
1 files changed, 17 insertions, 0 deletions
diff --git a/qemu-ga.c b/qemu-ga.c
index cf61cb95e5..8d53e04a0f 100644
--- a/qemu-ga.c
+++ b/qemu-ga.c
@@ -140,6 +140,23 @@ static gboolean register_signal_handlers(void)
return true;
}
+
+/* TODO: use this in place of all post-fork() fclose(std*) callers */
+void reopen_fd_to_null(int fd)
+{
+ int nullfd;
+
+ nullfd = open("/dev/null", O_RDWR);
+ if (nullfd < 0) {
+ return;
+ }
+
+ dup2(nullfd, fd);
+
+ if (nullfd != fd) {
+ close(nullfd);
+ }
+}
#endif
static void usage(const char *cmd)