patch-2.1.79 linux/arch/ppc/kernel/syscalls.c
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- Lines: 71
- Date:
Mon Jan 12 15:18:13 1998
- Orig file:
v2.1.78/linux/arch/ppc/kernel/syscalls.c
- Orig date:
Mon Aug 18 18:19:44 1997
diff -u --recursive --new-file v2.1.78/linux/arch/ppc/kernel/syscalls.c linux/arch/ppc/kernel/syscalls.c
@@ -32,6 +32,8 @@
#include <linux/mman.h>
#include <linux/sys.h>
#include <linux/ipc.h>
+#include <linux/utsname.h>
+
#include <asm/uaccess.h>
#include <asm/ipc.h>
@@ -149,7 +151,7 @@
break;
}
case 1: /* iBCS2 emulator entry point */
- if (get_fs() != get_ds())
+ if (!segment_eq(get_fs(), get_ds()))
break;
ret = sys_shmat (first, (char *) ptr, second,
(ulong *) third);
@@ -206,7 +208,8 @@
if (fd >= NR_OPEN || !(file = current->files->fd[fd]))
goto out;
}
- flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
+
+ /*flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);*/
ret = do_mmap(file, addr, len, prot, flags, offset);
out:
unlock_kernel();
@@ -236,4 +239,42 @@
return -EFAULT;
}
return sys_select(n, inp, outp, exp, tvp);
+}
+
+asmlinkage int sys_pause(void)
+{
+ current->state = TASK_INTERRUPTIBLE;
+ schedule();
+ return -ERESTARTNOHAND;
+}
+
+asmlinkage int sys_uname(struct old_utsname * name)
+{
+ if (name && !copy_to_user(name, &system_utsname, sizeof (*name)))
+ return 0;
+ return -EFAULT;
+}
+
+asmlinkage int sys_olduname(struct oldold_utsname * name)
+{
+ int error;
+
+ if (!name)
+ return -EFAULT;
+ if (!access_ok(VERIFY_WRITE,name,sizeof(struct oldold_utsname)))
+ return -EFAULT;
+
+ error = __copy_to_user(&name->sysname,&system_utsname.sysname,__OLD_UTS_LEN);
+ error -= __put_user(0,name->sysname+__OLD_UTS_LEN);
+ error -= __copy_to_user(&name->nodename,&system_utsname.nodename,__OLD_UTS_LEN);
+ error -= __put_user(0,name->nodename+__OLD_UTS_LEN);
+ error -= __copy_to_user(&name->release,&system_utsname.release,__OLD_UTS_LEN);
+ error -= __put_user(0,name->release+__OLD_UTS_LEN);
+ error -= __copy_to_user(&name->version,&system_utsname.version,__OLD_UTS_LEN);
+ error -= __put_user(0,name->version+__OLD_UTS_LEN);
+ error -= __copy_to_user(&name->machine,&system_utsname.machine,__OLD_UTS_LEN);
+ error = __put_user(0,name->machine+__OLD_UTS_LEN);
+ error = error ? -EFAULT : 0;
+
+ return error;
}
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