Commit e5e0a9dc authored by Jeff Dike's avatar Jeff Dike Committed by Linus Torvalds

[PATCH] uml: remove some dead code

Bodo pointed out that arch/um/kernel/skas/exec_user.c is dead code, so this
removes it.
Signed-off-by: default avatarJeff Dike <jdike@addtoit.com>
Signed-off-by: default avatarAndrew Morton <akpm@osdl.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@osdl.org>
parent c2bf4f7d
#
# Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
# Copyright (C) 2002 - 2004 Jeff Dike (jdike@addtoit.com)
# Licensed under the GPL
#
obj-y := exec_kern.o exec_user.o mem.o mem_user.o mmu.o process.o \
process_kern.o syscall_kern.o syscall_user.o time.o tlb.o trap_user.o \
uaccess.o sys-$(SUBARCH)/
obj-y := exec_kern.o mem.o mem_user.o mmu.o process.o process_kern.o \
syscall_kern.o syscall_user.o time.o tlb.o trap_user.o uaccess.o \
sys-$(SUBARCH)/
subdir-y := util
......
/*
* Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
* Licensed under the GPL
*/
#include <stdlib.h>
#include <errno.h>
#include <signal.h>
#include <sched.h>
#include <sys/wait.h>
#include <sys/ptrace.h>
#include "user.h"
#include "kern_util.h"
#include "user_util.h"
#include "os.h"
#include "time_user.h"
static int user_thread_tramp(void *arg)
{
if(ptrace(PTRACE_TRACEME, 0, 0, 0) < 0)
panic("user_thread_tramp - PTRACE_TRACEME failed, "
"errno = %d\n", errno);
enable_timer();
os_stop_process(os_getpid());
return(0);
}
int user_thread(unsigned long stack, int flags)
{
int pid, status, err;
pid = clone(user_thread_tramp, (void *) stack_sp(stack),
flags | CLONE_FILES | SIGCHLD, NULL);
if(pid < 0){
printk("user_thread - clone failed, errno = %d\n", errno);
return(pid);
}
CATCH_EINTR(err = waitpid(pid, &status, WUNTRACED));
if(err < 0){
printk("user_thread - waitpid failed, errno = %d\n", errno);
return(-errno);
}
if(!WIFSTOPPED(status) || (WSTOPSIG(status) != SIGSTOP)){
printk("user_thread - trampoline didn't stop, status = %d\n",
status);
return(-EINVAL);
}
return(pid);
}
/*
* Overrides for Emacs so that we follow Linus's tabbing style.
* Emacs will notice this stuff at the end of the file and automatically
* adjust the settings for this buffer only. This must remain at the end
* of the file.
* ---------------------------------------------------------------------------
* Local variables:
* c-file-style: "linux"
* End:
*/
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