From 6ef3b76be2d7620e8f495cf5654f0359a1ca178d Mon Sep 17 00:00:00 2001
From: Corinna Vinschen <corinna@vinschen.de>
Date: Thu, 6 Nov 2003 14:33:16 +0000
Subject: 	* syscalls.cc (getshmlba): New function. 	* external.cc
 (cygwin_internal): Add CW_GET_SHMLBA handling. 	* mmap.cc (mmap64):
 Call getshmlba to evaluate granularity. 	* winsup.h (getshmlba): Add
 declaration. 	* include/cygwin/version.h: Bump API minor number. 	*
 include/sys/cygwin.h (cygwin_getinfo_types): Add CW_GET_SHMLBA.

---
 winsup/cygwin/syscalls.cc | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'winsup/cygwin/syscalls.cc')

diff --git a/winsup/cygwin/syscalls.cc b/winsup/cygwin/syscalls.cc
index 0940ad028..2bda5ddd7 100644
--- a/winsup/cygwin/syscalls.cc
+++ b/winsup/cygwin/syscalls.cc
@@ -1529,6 +1529,14 @@ getpagesize ()
   return (int) system_info.dwPageSize;
 }
 
+size_t
+getshmlba ()
+{
+  if (!system_info.dwAllocationGranularity)
+    GetSystemInfo (&system_info);
+  return system_info.dwAllocationGranularity;
+}
+
 static int
 check_posix_perm (const char *fname, int v)
 {
-- 
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