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authorAlex Markley <alex@alexmarkley.com>2016-12-21 21:29:15 -0500
committerAlex Markley <alex@alexmarkley.com>2016-12-21 21:29:15 -0500
commitc1ddff13aa96b124680cce61673129aeb563dbf7 (patch)
tree4d5ea172763e31fabf71ef29ad08298f912baa38 /src
parent89914e4de5b621a6f808fdd9b33249e7cd893a7f (diff)
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Fix rare SIGSEGV when transferring large replicas.
Patch from here: https://caml.inria.fr/mantis/view.php?id=7431#c17026 Related issue reports: https://github.com/bcpierce00/unison/issues/48 https://caml.inria.fr/mantis/view.php?id=7431 https://bugzilla.redhat.com/show_bug.cgi?id=1401759
Diffstat (limited to 'src')
-rw-r--r--src/bytearray_stubs.c6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/bytearray_stubs.c b/src/bytearray_stubs.c
index ec1ed65..c1ed4ac 100644
--- a/src/bytearray_stubs.c
+++ b/src/bytearray_stubs.c
@@ -5,6 +5,7 @@
#include "caml/intext.h"
#include "caml/bigarray.h"
+#include "caml/memory.h"
CAMLprim value ml_marshal_to_bigarray(value v, value flags)
{
@@ -21,9 +22,12 @@ CAMLprim value ml_marshal_to_bigarray(value v, value flags)
CAMLprim value ml_unmarshal_from_bigarray(value b, value ofs)
{
+ CAMLparam1(b); /* Holds [b] live until unmarshalling completes. */
+ value result;
struct caml_bigarray *b_arr = Bigarray_val(b);
- return input_value_from_block (Array_data (b_arr, ofs),
+ result = input_value_from_block (Array_data (b_arr, ofs),
b_arr->dim[0] - Long_val(ofs));
+ CAMLreturn(result);
}
CAMLprim value ml_blit_string_to_bigarray