1 files changed, 15 insertions, 2 deletions
diff --git a/otherlibs/unix/link.c b/otherlibs/unix/link.c
index b5051cd96..8110bf583 100644
--- a/otherlibs/unix/link.c
+++ b/otherlibs/unix/link.c
@@ -12,10 +12,23 @@
 /***********************************************************************/
 
 #include <mlvalues.h>
+#include <memory.h>
+#include <signals.h>
 #include "unixsupport.h"
 
 CAMLprim value unix_link(value path1, value path2)
 {
-  if (link(String_val(path1), String_val(path2)) == -1) uerror("link", path2);
-  return Val_unit;
+  CAMLparam2(path1, path2);
+  char * p1;
+  char * p2;
+  int ret;
+  p1 = caml_stat_alloc_string(path1);
+  p2 = caml_stat_alloc_string(path2);
+  caml_enter_blocking_section();
+  ret = link(p1, p2);
+  caml_leave_blocking_section();
+  caml_stat_free(p1);
+  caml_stat_free(p2);
+  if (ret == -1) uerror("link", path2);
+  CAMLreturn(Val_unit);
 }