diff options
| -rw-r--r-- | bridges/source/cpp_uno/shared/vtablefactory.cxx | 18 |
1 files changed, 17 insertions, 1 deletions
diff --git a/bridges/source/cpp_uno/shared/vtablefactory.cxx b/bridges/source/cpp_uno/shared/vtablefactory.cxx index 52309c6ec617..90c414290c1a 100644 --- a/bridges/source/cpp_uno/shared/vtablefactory.cxx +++ b/bridges/source/cpp_uno/shared/vtablefactory.cxx @@ -85,7 +85,21 @@ extern "C" void * allocExec( p = mmap( nullptr, n, PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE | MAP_ANON | MAP_JIT, -1, 0); -#else + if (p != MAP_FAILED) { + goto done; + } + { + auto const e = errno; + SAL_INFO("bridges.osx", "mmap failed with " << e); + if (e != EINVAL) { + p = nullptr; + goto done; + } + } + // At least some macOS 10.13 machines are reported to fail the above mmap with EINVAL (see + // tdf#134754 "Crash on macOS 10.13 opening local HSQLDB-based odb file in Base on LibreOffice 7 + // rc1", so in that case retry with the "traditional" approach: +#endif p = mmap( nullptr, n, PROT_READ | PROT_WRITE, MAP_PRIVATE | MAP_ANON, -1, 0); @@ -97,6 +111,8 @@ extern "C" void * allocExec( munmap (p, n); p = nullptr; } +#if defined MACOSX +done: #endif #elif defined _WIN32 p = VirtualAlloc(nullptr, n, MEM_COMMIT, PAGE_EXECUTE_READWRITE); |