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authorNicolas Cavallari <nicolas.cavallari@green-communications.fr>2021-04-07 19:08:23 +0200
committerWaldemar Brodkorb <wbx@openadk.org>2021-04-09 05:56:24 +0200
commit221f2898b9140b4cc103d2c485061023706c1fcf (patch)
tree89ecaeda872ea2074d05b5941e20575d0b9238e1 /libc/sysdeps/linux/m68k/bits/fcntl.h
parent2bf4991c4dd7b50b74656011dea9c40464ff390c (diff)
open: Add support for O_TMPFILE
Since Linux 3.11, O_TMPFILE allows to create unnamed files that can be linked later on. It is internally defined as (O_TMPFILE | O_DIRECTORY) to make it fail on old kernels. Copying definitions from glibc for O_TMPFILE is not enough to support O_TMPFILE; The open() wrapper also need to pass the mode when the flag contains O_TMPFILE, otherwise, it will pass mode 000 which will succeed but yield unexpected results. openat() is curiously not affected since it passes the mode unconditionally.. Signed-off-by: Nicolas Cavallari <nicolas.cavallari@green-communications.fr>
Diffstat (limited to 'libc/sysdeps/linux/m68k/bits/fcntl.h')
-rw-r--r--libc/sysdeps/linux/m68k/bits/fcntl.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/libc/sysdeps/linux/m68k/bits/fcntl.h b/libc/sysdeps/linux/m68k/bits/fcntl.h
index 51589fffa..5a56c8781 100644
--- a/libc/sysdeps/linux/m68k/bits/fcntl.h
+++ b/libc/sysdeps/linux/m68k/bits/fcntl.h
@@ -53,6 +53,7 @@
# define O_DIRECT 0200000 /* Direct disk access. */
# define O_NOATIME 01000000 /* Do not set atime. */
# define O_PATH 010000000 /* Resolve pathname but do not open file. */
+# define O_TMPFILE 020040000 /* Atomically create nameless file. */
#endif
/* For now Linux has synchronisity options for data and read operations.