diff --git a/include/os.h b/include/os.h
index b3f9088c5..e93c48ae6 100644
--- a/include/os.h
+++ b/include/os.h
@@ -656,6 +656,12 @@ extern _X_EXPORT void
 ErrorF(const char *f, ...)
 _X_ATTRIBUTE_PRINTF(1, 2);
 extern _X_EXPORT void
+VErrorFSigSafe(const char *f, va_list args)
+_X_ATTRIBUTE_PRINTF(1, 0);
+extern _X_EXPORT void
+ErrorFSigSafe(const char *f, ...)
+_X_ATTRIBUTE_PRINTF(1, 2);
+extern _X_EXPORT void
 LogPrintMarkers(void);
 
 extern _X_EXPORT void
diff --git a/os/log.c b/os/log.c
index f1a6e3bcd..47ba34876 100644
--- a/os/log.c
+++ b/os/log.c
@@ -779,6 +779,22 @@ ErrorF(const char *f, ...)
     va_end(args);
 }
 
+void
+VErrorFSigSafe(const char *f, va_list args)
+{
+    LogVMessageVerbSigSafe(X_ERROR, -1, f, args);
+}
+
+void
+ErrorFSigSafe(const char *f, ...)
+{
+    va_list args;
+
+    va_start(args, f);
+    VErrorFSigSafe(f, args);
+    va_end(args);
+}
+
 void
 LogPrintMarkers(void)
 {