This patch consolidates all the non cancellable writev calls to use
the __writev_nocancel identifier. For non cancellable targets it will
be just a macro to call the default respective symbol while on Linux
will be a internal one.
Checked on x86_64-linux-gnu, x86_64-linux-gnu-x32, and i686-linux-gnu.
* gmon/gmon.c (write_hist): Replace writev_not_cancel_no_status with
__writev_nocancel_nostatus.
(write_call_graph): Likewise.
(write_bb_counts): Likewise.
* resolv/herror.c (herror): Likewise.
* sysdeps/generic/not-cancel.h (writev_not_cancel_no_status): Remove
macro.
(__writev_nocancel_nostatus): New macro.
* sysdeps/unix/sysv/linux/not-cancel.h (writev_not_cancel_no_status):
Remove macro.
(__writev_nocancel_nostatus): New function.
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