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authorCorinna Vinschen <corinna@vinschen.de>2013-08-14 15:44:23 +0400
committerCorinna Vinschen <corinna@vinschen.de>2013-08-14 15:44:23 +0400
commitef23b0a6a48e88b606d3548bb86520ceec563f40 (patch)
treed9791de4f5c25ba581a3fb6c7704bbc108458a8b /winsup/cygwin/include
parent111ced6d60d333666d32f53546a79d9a42c2d4ee (diff)
* include/sys/cygwin.h (struct per_process): Add posix_memalign. Reduce
size of unused2 accordingly. * include/cygwin/version.h (CYGWIN_VERSION_API_MINOR): Bump. * lib/_cygwin_crt0_common.cc (_cygwin_crt0_common): Initialize u->posix_memalign with address of posix_memalign. * malloc_wrapper.cc (posix_memalign): Call user-provided posix_memalign rather than just returning ENOSYS. * globals.cc (__cygwin_user_data): Initialize posix_memalign member.
Diffstat (limited to 'winsup/cygwin/include')
-rw-r--r--winsup/cygwin/include/cygwin/version.h3
-rw-r--r--winsup/cygwin/include/sys/cygwin.h7
2 files changed, 7 insertions, 3 deletions
diff --git a/winsup/cygwin/include/cygwin/version.h b/winsup/cygwin/include/cygwin/version.h
index dfb171e2f..6681a9955 100644
--- a/winsup/cygwin/include/cygwin/version.h
+++ b/winsup/cygwin/include/cygwin/version.h
@@ -438,12 +438,13 @@ details. */
arc4random_stir, arc4random_uniform.
267: Export rawmemchr.
268: Export GetCommandLineA, GetCommandLineW
+ 269: Allow application override of posix_memalign.
*/
/* Note that we forgot to bump the api for ualarm, strtoll, strtoull */
#define CYGWIN_VERSION_API_MAJOR 0
-#define CYGWIN_VERSION_API_MINOR 268
+#define CYGWIN_VERSION_API_MINOR 269
/* There is also a compatibity version number associated with the
shared memory regions. It is incremented when incompatible
diff --git a/winsup/cygwin/include/sys/cygwin.h b/winsup/cygwin/include/sys/cygwin.h
index 354d0eb4c..ca2f92996 100644
--- a/winsup/cygwin/include/sys/cygwin.h
+++ b/winsup/cygwin/include/sys/cygwin.h
@@ -304,10 +304,13 @@ struct per_process
/* For future expansion, so apps won't have to be relinked if we
add an item. */
#ifdef __x86_64__
- DWORD_PTR unused2[5];
+ DWORD_PTR unused2[4];
#else
- DWORD_PTR unused2[3];
+ DWORD_PTR unused2[2];
#endif
+
+ int (*posix_memalign)(void **, size_t, size_t);
+
void *pseudo_reloc_start;
void *pseudo_reloc_end;
void *image_base;