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[PATCH] posix: Add p{readv,writev}2 flags to generic uio-ext.h
- From: Adhemerval Zanella <adhemerval dot zanella at linaro dot org>
- To: libc-alpha at sourceware dot org
- Date: Wed, 11 Oct 2017 17:39:06 -0300
- Subject: [PATCH] posix: Add p{readv,writev}2 flags to generic uio-ext.h
- Authentication-results: sourceware.org; auth=none
This patch follows a suggestion from Florian to add the flags on generic
API [1].
Checked on x86_64-linux-gnu.
* bits/uio-ext.h (RWF_HIPRI, RWF_DSYNC, RWF_SYNC, RWF_NOWAIT): New
defines.
* sysdeps/unix/sysv/linux/bits/uio-ext.h: Fix comment format.
[1] https://sourceware.org/ml/libc-alpha/2017-09/msg00159.html
---
ChangeLog | 5 +++++
bits/uio-ext.h | 6 +++++-
sysdeps/unix/sysv/linux/bits/uio-ext.h | 3 +--
3 files changed, 11 insertions(+), 3 deletions(-)
diff --git a/bits/uio-ext.h b/bits/uio-ext.h
index cd4039c..cba75a7 100644
--- a/bits/uio-ext.h
+++ b/bits/uio-ext.h
@@ -23,6 +23,10 @@
# error "Never include <bits/uio-ext.h> directly; use <sys/uio.h> instead."
#endif
-/* This operating system does not extend sys/uio.h. */
+/* Flags for preadv2/pwritev2. */
+#define RWF_HIPRI 0x00000001 /* High priority request. */
+#define RWF_DSYNC 0x00000002 /* per-IO O_DSYNC. */
+#define RWF_SYNC 0x00000004 /* per-IO O_SYNC. */
+#define RWF_NOWAIT 0x00000008 /* per-IO nonblocking mode. */
#endif /* sys/uio_ext.h */
diff --git a/sysdeps/unix/sysv/linux/bits/uio-ext.h b/sysdeps/unix/sysv/linux/bits/uio-ext.h
index 751fc49..f931fd1 100644
--- a/sysdeps/unix/sysv/linux/bits/uio-ext.h
+++ b/sysdeps/unix/sysv/linux/bits/uio-ext.h
@@ -41,8 +41,7 @@ extern ssize_t process_vm_writev (pid_t __pid, const struct iovec *__lvec,
unsigned long int __flags)
__THROW;
-
-/* Flags for preadv2/pwritev2: */
+/* Flags for preadv2/pwritev2. */
#define RWF_HIPRI 0x00000001 /* High priority request. */
#define RWF_DSYNC 0x00000002 /* per-IO O_DSYNC. */
#define RWF_SYNC 0x00000004 /* per-IO O_SYNC. */
--
2.7.4