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Adhemerval Zanella e442e40de5 io: Consolidate lockf implementation 
With internal fcntl64 internal (commit 06ab719d), it is possible to
consolidate lockf implementation by using the LFS fcntl interface
instead of using arch and system-specific implementations.

For Linux, the i386 implementation is used as generic implementation
by replacing the direct syscall with fcntl64 call.  The LFS symbol
alias for default LFS ABI (__OFF_T_MATCHES_OFF64_T) is used to avoid
the duplicate symbol (instead of overriding the implementation with an
empty file).

For Hurd lockf64 semantic is changed: previous generic lockf64
implementation returned EOVERFLOW if LEN input is larger than 32-bit
off_t.  However, Hurd fcntl64 implementation for F_GETLK64, F_SETLK64,
and F_SETLKW64 do accept off64_t inputs (__f_setlk accepts only off64_t
inputs).

Checked on i686-linux-gnu and x86_64-linux-gnu along with a i686-gnu
build.

	* io/Makefile (tests): Add tst-lockf.
	* io/lockf.c (lockf): Use __fcntl and only define for
	!__OFF_T_MATCHES_OFF64_T.
	* io/lockf64.c (__lockf64): Call __fcntl64 and alias to lockf for
	__OFF_T_MATCHES_OFF64_T case.
	* io/tst-lockf.c: New file.
	* sysdeps/unix/sysv/linux/i386/lockf64.c: Remove file.
	* sysdeps/unix/sysv/linux/arm/lockf64.c: Likewise.
	* sysdeps/unix/sysv/linux/m68k/lockf64.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/mips32/lockf64.c: Likewise.
	* sysdeps/unix/sysv/linux/mips/mips64/n32/lockf64.c: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/lockf64.c: Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-32/lockf64.c: Likewise.
	* sysdeps/unix/sysv/linux/sh/lockf64.c: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc32/lockf64.c: Likewise.
 		2019-02-15 18:45:39 -02:00
..
fpu Linux: Add gettid system call wrapper [BZ #6399] 2019-02-08 11:27:55 +01:00
mips16 Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
nofpu Linux: Add gettid system call wrapper [BZ #6399] 2019-02-08 11:27:55 +01:00
Makefile
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Versions
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bug-getcontext-mips-gp.c Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
c++-types.data
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fxstatat.c
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jmp_buf-macros.h
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ld.abilist
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libBrokenLocale.abilist
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libanl.abilist
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libcrypt.abilist
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libdl.abilist
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libm.abilist Remove the error handling wrapper from pow 2018-11-21 09:58:36 +00:00
libnsl.abilist
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libpthread.abilist nptl: Add abilist symbols for C11 threads 2018-07-24 14:07:18 -03:00
libresolv.abilist
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librt.abilist
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libthread_db.abilist
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libutil.abilist
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mips-syscall5.S Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
mips-syscall6.S Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
mips-syscall7.S Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00
syscalls.list
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sysdep.h Update copyright dates with scripts/update-copyrights. 2019-01-01 00:11:28 +00:00