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Consolidate Linux select implementation

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This patch consolidates the select Linux syscall implementation on
sysdeps/unix/sysv/linux/select.c.  The changes are:

  1. Remove select from auto-generation syscalls.list on the architecture
     that uses __NR_select.
  2. Remove generic implementation add a default one that handle all
     current cases (with the expection of alpha)
     The new default implementation will either use __NR_select if
     available of fallback to __NR_pselect6 otherwise.
  3. Add a alpha outlier implementation which requires old compatibility
     symbols.

Checked on i686-linux-gnu, x86_64-linux-gnu, x86_64-linux-gnux32,
arch64-linux-gnu, arm-linux-gnueabihf, and powerpc64le-linux-gnu.

	* sysdeps/unix/sysv/linux/alpha/Makefile (sysdep_routines): Add
	osf_select.
	* sysdeps/unix/sysv/linux/alpha/select.c: New file.
	* sysdeps/unix/sysv/linux/alpha/syscalls.list: Remove select and
	osf_select from auto-generation list.
	* sysdeps/unix/sysv/linux/syscalls.list: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list: Likewise.
	* sysdeps/unix/sysv/linux/generic/select.c: Remove file.
	* sysdeps/unix/sysv/linux/select.c: New file.
This commit is contained in:
Adhemerval Zanella
2016-11-18 14:27:03 -02:00
parent b5eede9730
commit 26f28fd73d
7 changed files with 78 additions and 11 deletions
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2
sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list
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@@ -1,7 +1,5 @@
# File name Caller Syscall name # args Strong name Weak names
# Override select.S in parent directory:
select - select C:5 __select select
bind - bind 3 __bind bind
getpeername - getpeername 3 __getpeername getpeername
getsockname - getsockname 3 __getsockname getsockname