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https://github.com/flatpak/flatpak/issues/618
diff --git a/dbus-proxy.c b/dbus-proxy.c
index 163df21..99090e1 100644
--- a/dbus-proxy.c
+++ b/dbus-proxy.c
@@ -31,6 +31,16 @@
#include "flatpak-proxy.h"
+/* taken from glibc unistd.h and fixes musl */
+#ifndef TEMP_FAILURE_RETRY
+#define TEMP_FAILURE_RETRY(expression) \
+ (__extension__ \
+ ({ long int __result; \
+ do __result = (long int) (expression); \
+ while (__result == -1L && errno == EINTR); \
+ __result; }))
+#endif
+
static const char *argv0;
static GList *proxies;
static int sync_fd = -1;
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