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authorDavid S. Miller <davem@davemloft.net>2012-08-22 14:21:38 -0700
committerDavid S. Miller <davem@davemloft.net>2012-08-22 14:21:38 -0700
commit1304a7343b30fc4f16045412efdbb4179a3d9255 (patch)
tree83d667ac4f62e30f70305ce4cc7e030e3465f92e /arch/alpha/kernel/osf_sys.c
parent1d76efe1577b4323609b1bcbfafa8b731eda071a (diff)
parent23dcfa61bac244e1200ff9ad19c6e9144dcb6bb5 (diff)
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Diffstat (limited to 'arch/alpha/kernel/osf_sys.c')
-rw-r--r--arch/alpha/kernel/osf_sys.c49
1 files changed, 49 insertions, 0 deletions
diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
index 98a103621af..bc1acdda7a5 100644
--- a/arch/alpha/kernel/osf_sys.c
+++ b/arch/alpha/kernel/osf_sys.c
@@ -1404,3 +1404,52 @@ SYSCALL_DEFINE3(osf_writev, unsigned long, fd,
}
#endif
+
+SYSCALL_DEFINE2(osf_getpriority, int, which, int, who)
+{
+ int prio = sys_getpriority(which, who);
+ if (prio >= 0) {
+ /* Return value is the unbiased priority, i.e. 20 - prio.
+ This does result in negative return values, so signal
+ no error */
+ force_successful_syscall_return();
+ prio = 20 - prio;
+ }
+ return prio;
+}
+
+SYSCALL_DEFINE0(getxuid)
+{
+ current_pt_regs()->r20 = sys_geteuid();
+ return sys_getuid();
+}
+
+SYSCALL_DEFINE0(getxgid)
+{
+ current_pt_regs()->r20 = sys_getegid();
+ return sys_getgid();
+}
+
+SYSCALL_DEFINE0(getxpid)
+{
+ current_pt_regs()->r20 = sys_getppid();
+ return sys_getpid();
+}
+
+SYSCALL_DEFINE0(alpha_pipe)
+{
+ int fd[2];
+ int res = do_pipe_flags(fd, 0);
+ if (!res) {
+ /* The return values are in $0 and $20. */
+ current_pt_regs()->r20 = fd[1];
+ res = fd[0];
+ }
+ return res;
+}
+
+SYSCALL_DEFINE1(sethae, unsigned long, val)
+{
+ current_pt_regs()->hae = val;
+ return 0;
+}