Commit 5d0e5283 authored by Christoph Hellwig's avatar Christoph Hellwig Committed by Linus Torvalds

Add generic sys_old_select()

Add a generic implementation of the old select() syscall, which expects
its argument in a memory block and switch all architectures over to use
it.
Signed-off-by: default avatarChristoph Hellwig <hch@lst.de>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Cc: Paul Mundt <lethal@linux-sh.org>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Hirokazu Takata <takata@linux-m32r.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Ingo Molnar <mingo@elte.hu>
Reviewed-by: default avatarH. Peter Anvin <hpa@zytor.com>
Cc: Al Viro <viro@zeniv.linux.org.uk>
Cc: Arnd Bergmann <arnd@arndb.de>
Cc: Heiko Carstens <heiko.carstens@de.ibm.com>
Cc: Martin Schwidefsky <schwidefsky@de.ibm.com>
Cc: "Luck, Tony" <tony.luck@intel.com>
Cc: James Morris <jmorris@namei.org>
Acked-by: default avatarAndreas Schwab <schwab@linux-m68k.org>
Acked-by: default avatarRussell King <rmk+kernel@arm.linux.org.uk>
Acked-by: default avatarGreg Ungerer <gerg@uclinux.org>
Acked-by: default avatarDavid Howells <dhowells@redhat.com>
Cc: Andreas Schwab <schwab@linux-m68k.org>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 724ee626
...@@ -443,6 +443,7 @@ ...@@ -443,6 +443,7 @@
#define __ARCH_WANT_SYS_SIGPROCMASK #define __ARCH_WANT_SYS_SIGPROCMASK
#define __ARCH_WANT_SYS_RT_SIGACTION #define __ARCH_WANT_SYS_RT_SIGACTION
#define __ARCH_WANT_SYS_RT_SIGSUSPEND #define __ARCH_WANT_SYS_RT_SIGSUSPEND
#define __ARCH_WANT_SYS_OLD_SELECT
#if !defined(CONFIG_AEABI) || defined(CONFIG_OABI_COMPAT) #if !defined(CONFIG_AEABI) || defined(CONFIG_OABI_COMPAT)
#define __ARCH_WANT_SYS_TIME #define __ARCH_WANT_SYS_TIME
......
...@@ -91,7 +91,7 @@ ...@@ -91,7 +91,7 @@
CALL(sys_settimeofday) CALL(sys_settimeofday)
/* 80 */ CALL(sys_getgroups16) /* 80 */ CALL(sys_getgroups16)
CALL(sys_setgroups16) CALL(sys_setgroups16)
CALL(OBSOLETE(old_select)) /* used by libc4 */ CALL(OBSOLETE(sys_old_select)) /* used by libc4 */
CALL(sys_symlink) CALL(sys_symlink)
CALL(sys_ni_syscall) /* was sys_lstat */ CALL(sys_ni_syscall) /* was sys_lstat */
/* 85 */ CALL(sys_readlink) /* 85 */ CALL(sys_readlink)
......
...@@ -54,27 +54,6 @@ asmlinkage int old_mmap(struct mmap_arg_struct __user *arg) ...@@ -54,27 +54,6 @@ asmlinkage int old_mmap(struct mmap_arg_struct __user *arg)
return error; return error;
} }
/*
* Perform the select(nd, in, out, ex, tv) and mmap() system
* calls.
*/
struct sel_arg_struct {
unsigned long n;
fd_set __user *inp, *outp, *exp;
struct timeval __user *tvp;
};
asmlinkage int old_select(struct sel_arg_struct __user *arg)
{
struct sel_arg_struct a;
if (copy_from_user(&a, arg, sizeof(a)))
return -EFAULT;
/* sys_select() does the appropriate kernel locking */
return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
}
#if !defined(CONFIG_AEABI) || defined(CONFIG_OABI_COMPAT) #if !defined(CONFIG_AEABI) || defined(CONFIG_OABI_COMPAT)
/* /*
* sys_ipc() is the de-multiplexer for the SysV IPC calls.. * sys_ipc() is the de-multiplexer for the SysV IPC calls..
......
...@@ -348,6 +348,7 @@ ...@@ -348,6 +348,7 @@
#define __ARCH_WANT_SYS_LLSEEK #define __ARCH_WANT_SYS_LLSEEK
#define __ARCH_WANT_SYS_NICE #define __ARCH_WANT_SYS_NICE
#define __ARCH_WANT_SYS_OLD_GETRLIMIT #define __ARCH_WANT_SYS_OLD_GETRLIMIT
#define __ARCH_WANT_SYS_OLD_SELECT
#define __ARCH_WANT_SYS_OLDUMOUNT #define __ARCH_WANT_SYS_OLDUMOUNT
#define __ARCH_WANT_SYS_SIGPENDING #define __ARCH_WANT_SYS_SIGPENDING
#define __ARCH_WANT_SYS_SIGPROCMASK #define __ARCH_WANT_SYS_SIGPROCMASK
......
...@@ -60,22 +60,6 @@ asmlinkage int old_mmap(struct mmap_arg_struct *arg) ...@@ -60,22 +60,6 @@ asmlinkage int old_mmap(struct mmap_arg_struct *arg)
return error; return error;
} }
struct sel_arg_struct {
unsigned long n;
fd_set *inp, *outp, *exp;
struct timeval *tvp;
};
asmlinkage int old_select(struct sel_arg_struct *arg)
{
struct sel_arg_struct a;
if (copy_from_user(&a, arg, sizeof(a)))
return -EFAULT;
/* sys_select() does the appropriate kernel locking */
return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
}
/* /*
* sys_ipc() is the de-multiplexer for the SysV IPC calls.. * sys_ipc() is the de-multiplexer for the SysV IPC calls..
* *
......
...@@ -96,7 +96,7 @@ SYMBOL_NAME_LABEL(sys_call_table) ...@@ -96,7 +96,7 @@ SYMBOL_NAME_LABEL(sys_call_table)
.long SYMBOL_NAME(sys_settimeofday) .long SYMBOL_NAME(sys_settimeofday)
.long SYMBOL_NAME(sys_getgroups16) /* 80 */ .long SYMBOL_NAME(sys_getgroups16) /* 80 */
.long SYMBOL_NAME(sys_setgroups16) .long SYMBOL_NAME(sys_setgroups16)
.long SYMBOL_NAME(old_select) .long SYMBOL_NAME(sys_old_select)
.long SYMBOL_NAME(sys_symlink) .long SYMBOL_NAME(sys_symlink)
.long SYMBOL_NAME(sys_lstat) .long SYMBOL_NAME(sys_lstat)
.long SYMBOL_NAME(sys_readlink) /* 85 */ .long SYMBOL_NAME(sys_readlink) /* 85 */
......
...@@ -363,6 +363,7 @@ ...@@ -363,6 +363,7 @@
#define __ARCH_WANT_SYS_LLSEEK #define __ARCH_WANT_SYS_LLSEEK
#define __ARCH_WANT_SYS_NICE #define __ARCH_WANT_SYS_NICE
#define __ARCH_WANT_SYS_OLD_GETRLIMIT #define __ARCH_WANT_SYS_OLD_GETRLIMIT
#define __ARCH_WANT_SYS_OLD_SELECT
#define __ARCH_WANT_SYS_OLDUMOUNT #define __ARCH_WANT_SYS_OLDUMOUNT
#define __ARCH_WANT_SYS_SIGPENDING #define __ARCH_WANT_SYS_SIGPENDING
#define __ARCH_WANT_SYS_SIGPROCMASK #define __ARCH_WANT_SYS_SIGPROCMASK
......
...@@ -510,7 +510,7 @@ sys_call_table: ...@@ -510,7 +510,7 @@ sys_call_table:
.long sys_settimeofday .long sys_settimeofday
.long sys_getgroups16 /* 80 */ .long sys_getgroups16 /* 80 */
.long sys_setgroups16 .long sys_setgroups16
.long old_select .long sys_old_select
.long sys_symlink .long sys_symlink
.long sys_lstat .long sys_lstat
.long sys_readlink /* 85 */ .long sys_readlink /* 85 */
......
...@@ -80,22 +80,6 @@ asmlinkage int old_mmap(struct mmap_arg_struct __user *arg) ...@@ -80,22 +80,6 @@ asmlinkage int old_mmap(struct mmap_arg_struct __user *arg)
return error; return error;
} }
struct sel_arg_struct {
unsigned long n;
fd_set __user *inp, *outp, *exp;
struct timeval __user *tvp;
};
asmlinkage int old_select(struct sel_arg_struct __user *arg)
{
struct sel_arg_struct a;
if (copy_from_user(&a, arg, sizeof(a)))
return -EFAULT;
/* sys_select() does the appropriate kernel locking */
return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
}
/* /*
* sys_ipc() is the de-multiplexer for the SysV IPC calls.. * sys_ipc() is the de-multiplexer for the SysV IPC calls..
* *
......
...@@ -61,22 +61,6 @@ asmlinkage int old_mmap(struct mmap_arg_struct *arg) ...@@ -61,22 +61,6 @@ asmlinkage int old_mmap(struct mmap_arg_struct *arg)
return error; return error;
} }
struct sel_arg_struct {
unsigned long n;
fd_set *inp, *outp, *exp;
struct timeval *tvp;
};
asmlinkage int old_select(struct sel_arg_struct *arg)
{
struct sel_arg_struct a;
if (copy_from_user(&a, arg, sizeof(a)))
return -EFAULT;
/* sys_select() does the appropriate kernel locking */
return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
}
/* /*
* sys_ipc() is the de-multiplexer for the SysV IPC calls.. * sys_ipc() is the de-multiplexer for the SysV IPC calls..
* *
......
...@@ -100,7 +100,7 @@ ENTRY(sys_call_table) ...@@ -100,7 +100,7 @@ ENTRY(sys_call_table)
.long sys_settimeofday .long sys_settimeofday
.long sys_getgroups16 /* 80 */ .long sys_getgroups16 /* 80 */
.long sys_setgroups16 .long sys_setgroups16
.long old_select .long sys_old_select
.long sys_symlink .long sys_symlink
.long sys_lstat .long sys_lstat
.long sys_readlink /* 85 */ .long sys_readlink /* 85 */
......
...@@ -375,6 +375,7 @@ ...@@ -375,6 +375,7 @@
#define __ARCH_WANT_SYS_LLSEEK #define __ARCH_WANT_SYS_LLSEEK
#define __ARCH_WANT_SYS_NICE #define __ARCH_WANT_SYS_NICE
#define __ARCH_WANT_SYS_OLD_GETRLIMIT #define __ARCH_WANT_SYS_OLD_GETRLIMIT
#define __ARCH_WANT_SYS_OLD_SELECT
#define __ARCH_WANT_SYS_OLDUMOUNT #define __ARCH_WANT_SYS_OLDUMOUNT
#define __ARCH_WANT_SYS_SIGPENDING #define __ARCH_WANT_SYS_SIGPENDING
#define __ARCH_WANT_SYS_SIGPROCMASK #define __ARCH_WANT_SYS_SIGPROCMASK
......
...@@ -468,7 +468,7 @@ ENTRY(sys_call_table) ...@@ -468,7 +468,7 @@ ENTRY(sys_call_table)
.long sys_settimeofday .long sys_settimeofday
.long sys_getgroups16 /* 80 */ .long sys_getgroups16 /* 80 */
.long sys_setgroups16 .long sys_setgroups16
.long old_select .long sys_old_select
.long sys_symlink .long sys_symlink
.long sys_lstat .long sys_lstat
.long sys_readlink /* 85 */ .long sys_readlink /* 85 */
......
...@@ -32,24 +32,6 @@ asmlinkage long old_mmap(unsigned long addr, unsigned long len, ...@@ -32,24 +32,6 @@ asmlinkage long old_mmap(unsigned long addr, unsigned long len,
return sys_mmap_pgoff(addr, len, prot, flags, fd, offset >> PAGE_SHIFT); return sys_mmap_pgoff(addr, len, prot, flags, fd, offset >> PAGE_SHIFT);
} }
struct sel_arg_struct {
unsigned long n;
fd_set *inp;
fd_set *outp;
fd_set *exp;
struct timeval *tvp;
};
asmlinkage int old_select(struct sel_arg_struct __user *arg)
{
struct sel_arg_struct a;
if (copy_from_user(&a, arg, sizeof(a)))
return -EFAULT;
/* sys_select() does the appropriate kernel locking */
return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
}
/* /*
* sys_ipc() is the de-multiplexer for the SysV IPC calls.. * sys_ipc() is the de-multiplexer for the SysV IPC calls..
* *
......
...@@ -28,7 +28,6 @@ struct new_utsname; ...@@ -28,7 +28,6 @@ struct new_utsname;
struct mmap_arg_struct; struct mmap_arg_struct;
struct fadvise64_64_args; struct fadvise64_64_args;
struct old_sigaction; struct old_sigaction;
struct sel_arg_struct;
long sys_mmap2(struct mmap_arg_struct __user *arg); long sys_mmap2(struct mmap_arg_struct __user *arg);
long sys_s390_old_mmap(struct mmap_arg_struct __user *arg); long sys_s390_old_mmap(struct mmap_arg_struct __user *arg);
......
...@@ -44,24 +44,6 @@ long old_mmap_i386(struct mmap_arg_struct __user *arg) ...@@ -44,24 +44,6 @@ long old_mmap_i386(struct mmap_arg_struct __user *arg)
return err; return err;
} }
struct sel_arg_struct {
unsigned long n;
fd_set __user *inp;
fd_set __user *outp;
fd_set __user *exp;
struct timeval __user *tvp;
};
long old_select(struct sel_arg_struct __user *arg)
{
struct sel_arg_struct a;
if (copy_from_user(&a, arg, sizeof(a)))
return -EFAULT;
/* sys_select() does the appropriate kernel locking */
return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
}
/* /*
* The prototype on i386 is: * The prototype on i386 is:
* *
......
...@@ -586,7 +586,7 @@ ia32_sys_call_table: ...@@ -586,7 +586,7 @@ ia32_sys_call_table:
.quad compat_sys_settimeofday .quad compat_sys_settimeofday
.quad sys_getgroups16 /* 80 */ .quad sys_getgroups16 /* 80 */
.quad sys_setgroups16 .quad sys_setgroups16
.quad sys32_old_select .quad compat_sys_old_select
.quad sys_symlink .quad sys_symlink
.quad sys_lstat .quad sys_lstat
.quad sys_readlink /* 85 */ .quad sys_readlink /* 85 */
......
...@@ -332,24 +332,6 @@ asmlinkage long sys32_alarm(unsigned int seconds) ...@@ -332,24 +332,6 @@ asmlinkage long sys32_alarm(unsigned int seconds)
return alarm_setitimer(seconds); return alarm_setitimer(seconds);
} }
struct sel_arg_struct {
unsigned int n;
unsigned int inp;
unsigned int outp;
unsigned int exp;
unsigned int tvp;
};
asmlinkage long sys32_old_select(struct sel_arg_struct __user *arg)
{
struct sel_arg_struct a;
if (copy_from_user(&a, arg, sizeof(a)))
return -EFAULT;
return compat_sys_select(a.n, compat_ptr(a.inp), compat_ptr(a.outp),
compat_ptr(a.exp), compat_ptr(a.tvp));
}
asmlinkage long sys32_waitpid(compat_pid_t pid, unsigned int *stat_addr, asmlinkage long sys32_waitpid(compat_pid_t pid, unsigned int *stat_addr,
int options) int options)
{ {
......
...@@ -40,8 +40,6 @@ asmlinkage long sys32_rt_sigprocmask(int, compat_sigset_t __user *, ...@@ -40,8 +40,6 @@ asmlinkage long sys32_rt_sigprocmask(int, compat_sigset_t __user *,
compat_sigset_t __user *, unsigned int); compat_sigset_t __user *, unsigned int);
asmlinkage long sys32_alarm(unsigned int); asmlinkage long sys32_alarm(unsigned int);
struct sel_arg_struct;
asmlinkage long sys32_old_select(struct sel_arg_struct __user *);
asmlinkage long sys32_waitpid(compat_pid_t, unsigned int *, int); asmlinkage long sys32_waitpid(compat_pid_t, unsigned int *, int);
asmlinkage long sys32_sysfs(int, u32, u32); asmlinkage long sys32_sysfs(int, u32, u32);
......
...@@ -52,12 +52,10 @@ unsigned long sys_sigreturn(struct pt_regs *); ...@@ -52,12 +52,10 @@ unsigned long sys_sigreturn(struct pt_regs *);
/* kernel/sys_i386_32.c */ /* kernel/sys_i386_32.c */
struct mmap_arg_struct; struct mmap_arg_struct;
struct sel_arg_struct;
struct oldold_utsname; struct oldold_utsname;
struct old_utsname; struct old_utsname;
asmlinkage int old_mmap(struct mmap_arg_struct __user *); asmlinkage int old_mmap(struct mmap_arg_struct __user *);
asmlinkage int old_select(struct sel_arg_struct __user *);
asmlinkage int sys_ipc(uint, int, int, int, void __user *, long); asmlinkage int sys_ipc(uint, int, int, int, void __user *, long);
asmlinkage int sys_uname(struct old_utsname __user *); asmlinkage int sys_uname(struct old_utsname __user *);
asmlinkage int sys_olduname(struct oldold_utsname __user *); asmlinkage int sys_olduname(struct oldold_utsname __user *);
......
...@@ -366,6 +366,7 @@ ...@@ -366,6 +366,7 @@
#define __ARCH_WANT_SYS_LLSEEK #define __ARCH_WANT_SYS_LLSEEK
#define __ARCH_WANT_SYS_NICE #define __ARCH_WANT_SYS_NICE
#define __ARCH_WANT_SYS_OLD_GETRLIMIT #define __ARCH_WANT_SYS_OLD_GETRLIMIT
#define __ARCH_WANT_SYS_OLD_SELECT
#define __ARCH_WANT_SYS_OLDUMOUNT #define __ARCH_WANT_SYS_OLDUMOUNT
#define __ARCH_WANT_SYS_SIGPENDING #define __ARCH_WANT_SYS_SIGPENDING
#define __ARCH_WANT_SYS_SIGPROCMASK #define __ARCH_WANT_SYS_SIGPROCMASK
......
...@@ -58,23 +58,6 @@ asmlinkage int old_mmap(struct mmap_arg_struct __user *arg) ...@@ -58,23 +58,6 @@ asmlinkage int old_mmap(struct mmap_arg_struct __user *arg)
return err; return err;
} }
struct sel_arg_struct {
unsigned long n;
fd_set __user *inp, *outp, *exp;
struct timeval __user *tvp;
};
asmlinkage int old_select(struct sel_arg_struct __user *arg)
{
struct sel_arg_struct a;
if (copy_from_user(&a, arg, sizeof(a)))
return -EFAULT;
/* sys_select() does the appropriate kernel locking */
return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
}
/* /*
* sys_ipc() is the de-multiplexer for the SysV IPC calls.. * sys_ipc() is the de-multiplexer for the SysV IPC calls..
* *
......
...@@ -81,7 +81,7 @@ ENTRY(sys_call_table) ...@@ -81,7 +81,7 @@ ENTRY(sys_call_table)
.long sys_settimeofday .long sys_settimeofday
.long sys_getgroups16 /* 80 */ .long sys_getgroups16 /* 80 */
.long sys_setgroups16 .long sys_setgroups16
.long old_select .long sys_old_select
.long sys_symlink .long sys_symlink
.long sys_lstat .long sys_lstat
.long sys_readlink /* 85 */ .long sys_readlink /* 85 */
......
...@@ -1795,6 +1795,24 @@ asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp, ...@@ -1795,6 +1795,24 @@ asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp,
return ret; return ret;
} }
struct compat_sel_arg_struct {
compat_ulong_t n;
compat_uptr_t inp;
compat_uptr_t outp;
compat_uptr_t exp;
compat_uptr_t tvp;
};
asmlinkage long compat_sys_old_select(struct compat_sel_arg_struct __user *arg)
{
struct compat_sel_arg_struct a;
if (copy_from_user(&a, arg, sizeof(a)))
return -EFAULT;
return compat_sys_select(a.n, compat_ptr(a.inp), compat_ptr(a.outp),
compat_ptr(a.exp), compat_ptr(a.tvp));
}
#ifdef HAVE_SET_RESTORE_SIGMASK #ifdef HAVE_SET_RESTORE_SIGMASK
static long do_compat_pselect(int n, compat_ulong_t __user *inp, static long do_compat_pselect(int n, compat_ulong_t __user *inp,
compat_ulong_t __user *outp, compat_ulong_t __user *exp, compat_ulong_t __user *outp, compat_ulong_t __user *exp,
......
...@@ -691,6 +691,23 @@ SYSCALL_DEFINE6(pselect6, int, n, fd_set __user *, inp, fd_set __user *, outp, ...@@ -691,6 +691,23 @@ SYSCALL_DEFINE6(pselect6, int, n, fd_set __user *, inp, fd_set __user *, outp,
} }
#endif /* HAVE_SET_RESTORE_SIGMASK */ #endif /* HAVE_SET_RESTORE_SIGMASK */
#ifdef __ARCH_WANT_SYS_OLD_SELECT
struct sel_arg_struct {
unsigned long n;
fd_set __user *inp, *outp, *exp;
struct timeval __user *tvp;
};
SYSCALL_DEFINE1(old_select, struct sel_arg_struct __user *, arg)
{
struct sel_arg_struct a;
if (copy_from_user(&a, arg, sizeof(a)))
return -EFAULT;
return sys_select(a.n, a.inp, a.outp, a.exp, a.tvp);
}
#endif
struct poll_list { struct poll_list {
struct poll_list *next; struct poll_list *next;
int len; int len;
......
...@@ -23,6 +23,7 @@ ...@@ -23,6 +23,7 @@
typedef __compat_uid32_t compat_uid_t; typedef __compat_uid32_t compat_uid_t;
typedef __compat_gid32_t compat_gid_t; typedef __compat_gid32_t compat_gid_t;
struct compat_sel_arg_struct;
struct rusage; struct rusage;
struct compat_itimerspec { struct compat_itimerspec {
...@@ -249,6 +250,8 @@ asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp, ...@@ -249,6 +250,8 @@ asmlinkage long compat_sys_select(int n, compat_ulong_t __user *inp,
compat_ulong_t __user *outp, compat_ulong_t __user *exp, compat_ulong_t __user *outp, compat_ulong_t __user *exp,
struct compat_timeval __user *tvp); struct compat_timeval __user *tvp);
asmlinkage long compat_sys_old_select(struct compat_sel_arg_struct __user *arg);
asmlinkage long compat_sys_wait4(compat_pid_t pid, asmlinkage long compat_sys_wait4(compat_pid_t pid,
compat_uint_t __user *stat_addr, int options, compat_uint_t __user *stat_addr, int options,
struct compat_rusage __user *ru); struct compat_rusage __user *ru);
......
...@@ -34,6 +34,7 @@ struct pollfd; ...@@ -34,6 +34,7 @@ struct pollfd;
struct rlimit; struct rlimit;
struct rusage; struct rusage;
struct sched_param; struct sched_param;
struct sel_arg_struct;
struct semaphore; struct semaphore;
struct sembuf; struct sembuf;
struct shmid_ds; struct shmid_ds;
...@@ -638,6 +639,7 @@ asmlinkage long sys_poll(struct pollfd __user *ufds, unsigned int nfds, ...@@ -638,6 +639,7 @@ asmlinkage long sys_poll(struct pollfd __user *ufds, unsigned int nfds,
long timeout); long timeout);
asmlinkage long sys_select(int n, fd_set __user *inp, fd_set __user *outp, asmlinkage long sys_select(int n, fd_set __user *inp, fd_set __user *outp,
fd_set __user *exp, struct timeval __user *tvp); fd_set __user *exp, struct timeval __user *tvp);
asmlinkage long sys_old_select(struct sel_arg_struct __user *arg);
asmlinkage long sys_epoll_create(int size); asmlinkage long sys_epoll_create(int size);
asmlinkage long sys_epoll_create1(int flags); asmlinkage long sys_epoll_create1(int flags);
asmlinkage long sys_epoll_ctl(int epfd, int op, int fd, asmlinkage long sys_epoll_ctl(int epfd, int op, int fd,
......
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