[PATCH 09/15] dwarf_onesrcline.c: Add locking

[Aaron Merey]

	* libdw/dwarf_onesrcline.c (dwarf_onesrcline): Use dwarf_lock.

Signed-off-by: Aaron Merey <amerey@redhat.com>

---
 libdw/dwarf_onesrcline.c | 7 ++++++-
 1 file changed, 6 insertions(+), 1 deletion(-)

diff --git a/libdw/dwarf_onesrcline.c b/libdw/dwarf_onesrcline.c
index 5d3c3ded..1a16269a 100644
--- a/libdw/dwarf_onesrcline.c
+++ b/libdw/dwarf_onesrcline.c
@@ -40,11 +40,16 @@ dwarf_onesrcline (Dwarf_Lines *lines, size_t idx)
   if (lines == NULL)
     return NULL;
 
+  mutex_lock (lines->dbg->dwarf_lock);
+
   if (idx >= lines->nlines)
     {
       __libdw_seterrno (DWARF_E_INVALID_LINE_IDX);
       return NULL;
     }
 
-  return &lines->info[idx];
+  Dwarf_Line *result = &lines->info[idx];
+  mutex_unlock (lines->dbg->dwarf_lock);
+
+  return result;
 }
-- 
2.47.1