use SYS_setgroup32 syscall if available. closes #319

8 years ago · d9a79062b8
1 changed files with 4 additions and 0 deletions
--- a/src/gidcache.cpp
+++ b/src/gidcache.cpp
@ -126,7 +126,11 @@ int
 setgroups(const gid_t_rec *rec)
 {
 #if defined __linux__ and UGID_USE_RWLOCK == 0
+# if defined SYS_setgroups32
+  return ::syscall(SYS_setgroups32,rec->size,rec->gids);
+# else
  return ::syscall(SYS_setgroups,rec->size,rec->gids);
+# endif
 #else
  return ::setgroups(rec->size,rec->gids);
 #endif