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authorDJ Delorie <dj@redhat.com>2019-07-08 17:10:52 -0400
committerDJ Delorie <dj@redhat.com>2019-07-08 17:11:41 -0400
commit744481038703ddc0ce571bdcbedc4f4a722da039 (patch)
tree145e4e26ff51d4faf16ae2aa549a9f6a15bf748f
parent6ea21bfe439159f9e480c580927902c6461ec68c (diff)
downloadglibc-744481038703ddc0ce571bdcbedc4f4a722da039.tar.gz
NEWS: clarify copy_file_range
Minor tweak to clarify what applications must do.
-rw-r--r--NEWS8
1 files changed, 5 insertions, 3 deletions
diff --git a/NEWS b/NEWS
index 6c7de105ac..11099f7248 100644
--- a/NEWS
+++ b/NEWS
@@ -46,9 +46,11 @@ Deprecated and removed features, and other changes affecting compatibility:
support the system call of the same name. Previously, user space
emulation was performed, but its behavior did not match the kernel
behavior, which was deemed too confusing. Applications which use the
- copy_file_range function will have to be run on kernels which implement
- the copy_file_range system call. Support for most architectures was added
- in version 4.5 of the mainline Linux kernel.
+ copy_file_range function can no longer rely on glibc to provide a fallback
+ on kernels that do not support the copy_file_range system call, and if
+ this function returns ENOSYS, they will need to use their own fallback.
+ Support for copy_file_range for most architectures was added in version
+ 4.5 of the mainline Linux kernel.
* The functions clock_gettime, clock_getres, clock_settime,
clock_getcpuclockid, clock_nanosleep were removed from the librt library