Default to marking file descriptors as passive sockets if fstat() doe…

…sn't hint at the type Closes mheily#97
ghostmansd · Apr 28, 2021 · baafc74 · baafc74
1 parent 5af73d1
commit baafc74
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/src/linux/platform.c b/src/linux/platform.c
@@ -828,6 +828,12 @@ linux_get_descriptor_type(struct knote *kn)
  case S_IFSOCK:
  dbg_printf("fd=%i is a socket", fd);
  break; /* deferred type determination */
+
+ case 0: /* seen with eventfd */
+ dbg_printf("fd=%i fstat() provided no S_IFMT flags, treating fd as passive socket", fd);
+ kn->kn_flags |= KNFL_SOCKET;
+ kn->kn_flags |= KNFL_SOCKET_PASSIVE;
+ return (0);
  }
 
  /*