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| author | H.J. Lu <hjl.tools@gmail.com> | 2018-04-03 12:19:20 -0700 |
|---|---|---|
| committer | H.J. Lu <hjl.tools@gmail.com> | 2018-04-03 12:19:29 -0700 |
| commit | f2652643d7234c08205b75f527191c2e2b35251f (patch) | |
| tree | 8591507dfe62c4403bbe6613767c82b2cbf5d497 | |
| parent | d2dc5467c67bc8625a4fc8f285b6a5443bf43df4 (diff) | |
| download | glibc-f2652643d7234c08205b75f527191c2e2b35251f.tar.gz | |
Update RWF_SUPPORTED for Linux kernel 4.16 [BZ #22947]
Add RWF_APPEND to RWF_SUPPORTED to support Linux kernel 4.16.
[BZ #22947]
* bits/uio-ext.h (RWF_APPEND): New.
* sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_APPEND): Likewise.
* manual/llio.texi: Document RWF_APPEND.
* misc/tst-preadvwritev2-common.c (RWF_APPEND): New.
(RWF_SUPPORTED): Add RWF_APPEND.
| -rw-r--r-- | ChangeLog | 9 | ||||
| -rw-r--r-- | bits/uio-ext.h | 1 | ||||
| -rw-r--r-- | manual/llio.texi | 3 | ||||
| -rw-r--r-- | misc/tst-preadvwritev2-common.c | 6 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/bits/uio-ext.h | 1 |
5 files changed, 19 insertions, 1 deletions
@@ -1,3 +1,12 @@ +2018-04-03 H.J. Lu <hongjiu.lu@intel.com> + + [BZ #22947] + * bits/uio-ext.h (RWF_APPEND): New. + * sysdeps/unix/sysv/linux/bits/uio-ext.h (RWF_APPEND): Likewise. + * manual/llio.texi: Document RWF_APPEND. + * misc/tst-preadvwritev2-common.c (RWF_APPEND): New. + (RWF_SUPPORTED): Add RWF_APPEND. + 2018-04-03 Adhemerval Zanella <adhemerval.zanella@linaro.org> [BZ #22391] diff --git a/bits/uio-ext.h b/bits/uio-ext.h index 8c15a05d9a..d5aa06fd08 100644 --- a/bits/uio-ext.h +++ b/bits/uio-ext.h @@ -28,5 +28,6 @@ #define RWF_DSYNC 0x00000002 /* per-IO O_DSYNC. */ #define RWF_SYNC 0x00000004 /* per-IO O_SYNC. */ #define RWF_NOWAIT 0x00000008 /* per-IO nonblocking mode. */ +#define RWF_APPEND 0x00000010 /* per-IO O_APPEND. */ #endif /* sys/uio_ext.h */ diff --git a/manual/llio.texi b/manual/llio.texi index b4fd5e1d91..82f03be2be 100644 --- a/manual/llio.texi +++ b/manual/llio.texi @@ -1275,6 +1275,9 @@ Per-IO synchronization as if the file was opened with @code{O_SYNC} flag. @item RWF_NOWAIT Use nonblocking mode for this operation; that is, this call to @code{preadv2} will fail and set @code{errno} to @code{EAGAIN} if the operation would block. + +@item RWF_APPEND +Per-IO synchronization as if the file was opened with @code{O_APPEND} flag. @end vtable When the source file is compiled with @code{_FILE_OFFSET_BITS == 64} the diff --git a/misc/tst-preadvwritev2-common.c b/misc/tst-preadvwritev2-common.c index 89fd0a3ff5..f889a21544 100644 --- a/misc/tst-preadvwritev2-common.c +++ b/misc/tst-preadvwritev2-common.c @@ -34,7 +34,11 @@ do_test_with_invalid_flags (void) #ifndef RWF_NOWAIT # define RWF_NOWAIT 0 #endif -#define RWF_SUPPORTED (RWF_HIPRI | RWF_DSYNC | RWF_SYNC | RWF_NOWAIT) +#ifndef RWF_APPEND +# define RWF_APPEND 0 +#endif +#define RWF_SUPPORTED (RWF_HIPRI | RWF_DSYNC | RWF_SYNC | RWF_NOWAIT \ + | RWF_APPEND) /* Set the next bit from the mask of all supported flags. */ int invalid_flag = RWF_SUPPORTED != 0 ? __builtin_clz (RWF_SUPPORTED) : 2; invalid_flag = 0x1 << ((sizeof (int) * CHAR_BIT) - invalid_flag); diff --git a/sysdeps/unix/sysv/linux/bits/uio-ext.h b/sysdeps/unix/sysv/linux/bits/uio-ext.h index 53663ed1a2..8698bc1200 100644 --- a/sysdeps/unix/sysv/linux/bits/uio-ext.h +++ b/sysdeps/unix/sysv/linux/bits/uio-ext.h @@ -46,6 +46,7 @@ extern ssize_t process_vm_writev (pid_t __pid, const struct iovec *__lvec, #define RWF_DSYNC 0x00000002 /* per-IO O_DSYNC. */ #define RWF_SYNC 0x00000004 /* per-IO O_SYNC. */ #define RWF_NOWAIT 0x00000008 /* per-IO nonblocking mode. */ +#define RWF_APPEND 0x00000010 /* per-IO O_APPEND. */ __END_DECLS |