diff options
Diffstat (limited to 'winsup/cygwin/shared.cc')
| -rw-r--r-- | winsup/cygwin/shared.cc | 23 |
1 files changed, 12 insertions, 11 deletions
diff --git a/winsup/cygwin/shared.cc b/winsup/cygwin/shared.cc index 03118daf0..4a2489222 100644 --- a/winsup/cygwin/shared.cc +++ b/winsup/cygwin/shared.cc @@ -417,7 +417,7 @@ memory_init (bool init_cygheap) cygheap->user.init (); } - /* Initialize general shared memory */ + /* Initialize general shared memory under spinlock control */ for (;;) { LONG smi = InterlockedExchange (&shared_mem_inited, -1); @@ -437,16 +437,17 @@ memory_init (bool init_cygheap) cygwin_shared_h, sizeof (*cygwin_shared), SH_CYGWIN_SHARED); - if (!smi) - { - cygwin_shared->initialize (); - /* Defer debug output printing the installation root and installation key - up to this point. Debug output except for system_printf requires - the global shared memory to exist. */ - debug_printf ("Installation root: <%W> key: <%S>", - installation_root, &installation_key); - smi = 1; - } + if (!smi) + { + cygwin_shared->initialize (); + /* Defer debug output printing the installation root and installation key + up to this point. Debug output except for system_printf requires + the global shared memory to exist. */ + debug_printf ("Installation root: <%W> key: <%S>", + installation_root, &installation_key); + smi = 1; + } + InterlockedExchange (&shared_mem_inited, smi); break; } |