sdks/builds/fix-emscripten-8511.patch

   1 From d8a94684e2a9a584080757a324c4c42183f6d11a Mon Sep 17 00:00:00 2001
   2 From: =?UTF-8?q?J=C3=A9r=C3=B4me=20Laban?= <jerome.laban@nventive.com>
   3 Date: Mon, 29 Apr 2019 11:54:21 -0400
   4 Subject: [PATCH] Invalid double dlopen failure fix
   5
   6 Fixes #8511
   7 ---
   8  src/support.js        | 27 ++++++++++++++++++++++-----
   9  tests/test_browser.py | 10 ++++++++++
  10  2 files changed, 32 insertions(+), 5 deletions(-)
  11
  12 diff --git a/src/support.js b/src/support.js
  13 index 68360e406..419e4cbb5 100644
  14 --- a/src/support.js
  15 +++ b/src/support.js
  16 @@ -302,14 +302,31 @@ function loadDynamicLibrary(lib, flags) {
  17      dso.module = libModule;
  18    }
  19
  20 +  function cleanupOnError() {
  21 +    var lib_record = LDSO.loadedLibs[handle];
  22 +    delete LDSO.loadedLibNames[lib_record.name];
  23 +    delete LDSO.loadedLibs[handle];
  24 +  }
  25 +
  26    if (flags.loadAsync) {
  27 -    return getLibModule().then(function(libModule) {
  28 -      moduleLoaded(libModule);
  29 -      return handle;
  30 -    })
  31 +    return getLibModule()
  32 +      .catch(function (e) {
  33 +        cleanupOnError();
  34 +        throw e;
  35 +      })
  36 +      .then(function (libModule) {
  37 +        moduleLoaded(libModule);
  38 +        return handle;
  39 +      })
  40    }
  41
  42 -  moduleLoaded(getLibModule());
  43 +  try {
  44 +    moduleLoaded(getLibModule());
  45 +  }
  46 +  catch (e) {
  47 +    cleanupOnError();
  48 +    throw e;
  49 +  }
  50    return handle;
  51  }
  52
  53 diff --git a/tests/test_browser.py b/tests/test_browser.py
  54 index 7836141db..eeb7ad2ff 100644
  55 --- a/tests/test_browser.py
  56 +++ b/tests/test_browser.py
  57 @@ -2408,6 +2408,16 @@ void *getBindBuffer() {
  58            REPORT_RESULT(3);
  59            return 3;
  60          }
  61 +        void *invalid_handle = dlopen("/invalid.so", 0);
  62 +        if (invalid_handle) {
  63 +          REPORT_RESULT(4);
  64 +          return 4;
  65 +        }
  66 +        void *invalid_handle2 = dlopen("/invalid.so", 0);
  67 +        if (invalid_handle2) {
  68 +          REPORT_RESULT(5);
  69 +          return 5;
  70 +        }
  71          REPORT_RESULT(0);
  72          return 0;
  73        }
  74 --
  75 2.17.1.windows.2
  76