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misc: Add support for Linux uio.h RWF_ATOMIC flag

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Linux 6.11 adds the new flag for pwritev2 (commit
c34fc6f26ab86d03a2d47446f42b6cd492dfdc56).

Checked on x86_64-linux-gnu on 6.11 kernel.

Reviewed-by: H.J. Lu <hjl.tools@gmail.com>
This commit is contained in:
Adhemerval Zanella
2024-10-08 15:45:29 -03:00
parent fc650bfd71
commit 5ffc903216
3 changed files with 19 additions and 1 deletions
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2
sysdeps/unix/sysv/linux/bits/uio-ext.h
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@@ -48,6 +48,8 @@ extern ssize_t process_vm_writev (pid_t __pid, const struct iovec *__lvec,
#define RWF_NOWAIT 0x00000008 /* per-IO nonblocking mode. */
#define RWF_APPEND 0x00000010 /* per-IO O_APPEND. */
#define RWF_NOAPPEND 0x00000020 /* per-IO negation of O_APPEND */
#define RWF_ATOMIC 0x00000040 /* Write is to be issued with torn-write
prevention. */
__END_DECLS