diff options
Diffstat (limited to 'winsup/cygwin/exceptions.cc')
| -rw-r--r-- | winsup/cygwin/exceptions.cc | 14 |
1 files changed, 9 insertions, 5 deletions
diff --git a/winsup/cygwin/exceptions.cc b/winsup/cygwin/exceptions.cc index 4d078dd10..12c6e0687 100644 --- a/winsup/cygwin/exceptions.cc +++ b/winsup/cygwin/exceptions.cc @@ -526,17 +526,21 @@ _cygtls::handle_exceptions (EXCEPTION_RECORD *e, exception_list *frame, CONTEXT break; case STATUS_ACCESS_VIOLATION: - if (mmap_is_attached_page (e->ExceptionInformation[1])) - { + switch (mmap_is_attached_or_noreserve_page (e->ExceptionInformation[1])) + { + case 2: /* MAP_NORESERVE page, now commited. */ + return 0; + case 1: /* MAP_NORESERVE page, commit failed, or + access to mmap page beyond EOF. */ si.si_signo = SIGBUS; si.si_code = BUS_OBJERR; - } - else - { + break; + default: MEMORY_BASIC_INFORMATION m; VirtualQuery ((PVOID) e->ExceptionInformation[1], &m, sizeof m); si.si_signo = SIGSEGV; si.si_code = m.State == MEM_FREE ? SEGV_MAPERR : SEGV_ACCERR; + break; } break; |