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* [newlib-cygwin] shm_open2: Implement SHM_GROW_ON_WRITE
@ 2022-07-11 11:52 Sebastian Huber
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From: Sebastian Huber @ 2022-07-11 11:52 UTC (permalink / raw)
To: newlib-cvs
https://sourceware.org/git/gitweb.cgi?p=newlib-cygwin.git;h=c95c267a461475c6c2bac5c3f23c567e5360589c
commit c95c267a461475c6c2bac5c3f23c567e5360589c
Author: Kyle Evans <kevans@FreeBSD.org>
Date: Fri Jul 10 00:43:45 2020 +0000
shm_open2: Implement SHM_GROW_ON_WRITE
Lack of SHM_GROW_ON_WRITE is actively breaking Python's memfd_create tests,
so go ahead and implement it. A future change will make memfd_create always
set SHM_GROW_ON_WRITE, to match Linux behavior and unbreak Python's tests
on -CURRENT.
Reviewed by: kib
Differential Revision: https://reviews.freebsd.org/D25502
Diff:
---
newlib/libc/sys/rtems/include/sys/mman.h | 1 +
1 file changed, 1 insertion(+)
diff --git a/newlib/libc/sys/rtems/include/sys/mman.h b/newlib/libc/sys/rtems/include/sys/mman.h
index 7a9b49429..99c1eb8b3 100644
--- a/newlib/libc/sys/rtems/include/sys/mman.h
+++ b/newlib/libc/sys/rtems/include/sys/mman.h
@@ -190,6 +190,7 @@
* shmflags for shm_open2()
*/
#define SHM_ALLOW_SEALING 0x00000001
+#define SHM_GROW_ON_WRITE 0x00000002
/*
* Flags for memfd_create().
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