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Linux: Clean up pread64/pwrite64 system call names

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Linux removed the last definitions of __NR_pread and __NR_pwrite
in commit 4ba66a9760722ccbb691b8f7116cad2f791cca7b, the removal
of the blackfin port.  All architectures now define __NR_pread64 and
__NR_pwrite64 only.

Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
This commit is contained in:
Florian Weimer 2020-02-09 16:07:00 +01:00
parent 1a5f1153a7
commit 71691aae92
7 changed files with 4 additions and 40 deletions
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8
sysdeps/unix/sysv/linux/generic/sysdep.h
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@ -25,11 +25,3 @@
#ifdef __NR_llseek
# define __NR__llseek __NR_llseek
#endif
#if __WORDSIZE == 64
/* By defining the older names, glibc will build syscall wrappers for
both pread and pread64; sysdeps/unix/sysv/linux/wordsize-64/pread64.c
will suppress generating any separate code for pread64.c. */
#define __NR_pread __NR_pread64
#define __NR_pwrite __NR_pwrite64
#endif

6
sysdeps/unix/sysv/linux/pread.c
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@ -21,14 +21,10 @@
#ifndef __OFF_T_MATCHES_OFF64_T
# ifndef __NR_pread
# define __NR_pread __NR_pread64
# endif
ssize_t
__libc_pread (int fd, void *buf, size_t count, off_t offset)
{
return SYSCALL_CANCEL (pread, fd, buf, count, SYSCALL_LL_PRW (offset));
return SYSCALL_CANCEL (pread64, fd, buf, count, SYSCALL_LL_PRW (offset));
}
strong_alias (__libc_pread, __pread)

4
sysdeps/unix/sysv/linux/pread64.c
View File

@ -19,10 +19,6 @@
#include <unistd.h>
#include <sysdep-cancel.h>
#ifndef __NR_pread64
# define __NR_pread64 __NR_pread
#endif
ssize_t
__libc_pread64 (int fd, void *buf, size_t count, off64_t offset)
{

4
sysdeps/unix/sysv/linux/pread64_nocancel.c
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@ -20,10 +20,6 @@
#include <sysdep-cancel.h>
#include <not-cancel.h>
#ifndef __NR_pread64
# define __NR_pread64 __NR_pread
#endif
ssize_t
__pread64_nocancel (int fd, void *buf, size_t count, off64_t offset)
{

6
sysdeps/unix/sysv/linux/pwrite.c
View File

@ -21,14 +21,10 @@
#ifndef __OFF_T_MATCHES_OFF64_T
# ifndef __NR_pwrite
# define __NR_pwrite __NR_pwrite64
# endif
ssize_t
__libc_pwrite (int fd, const void *buf, size_t count, off_t offset)
{
return SYSCALL_CANCEL (pwrite, fd, buf, count, SYSCALL_LL_PRW (offset));
return SYSCALL_CANCEL (pwrite64, fd, buf, count, SYSCALL_LL_PRW (offset));
}
strong_alias (__libc_pwrite, __pwrite)

4
sysdeps/unix/sysv/linux/pwrite64.c
View File

@ -19,10 +19,6 @@
#include <unistd.h>
#include <sysdep-cancel.h>
#ifndef __NR_pwrite64
# define __NR_pwrite64 __NR_pwrite
#endif
ssize_t
__libc_pwrite64 (int fd, const void *buf, size_t count, off64_t offset)
{

12
sysdeps/unix/sysv/linux/s390/s390-64/sysdep.h
View File

@ -34,16 +34,8 @@
/* In newer 2.1 kernels __NR_syscall is missing so we define it here. */
#define __NR_syscall 0
/*
* Newer kernel versions redefined __NR_pread and __NR_pwrite to
* __NR_pread64 and __NR_pwrite64.
*/
#ifndef __NR_pread
# define __NR_pread __NR_pread64
#endif
#ifndef __NR_pwrite
# define __NR_pwrite __NR_pwrite64
#endif
#undef SYS_ify
#define SYS_ify(syscall_name) __NR_##syscall_name
#ifdef __ASSEMBLER__