From 93b1e54237fd595a788765c8061c345fba556473 Mon Sep 17 00:00:00 2001
From: Andreas Kling <kling@serenityos.org>
Date: Fri, 7 Aug 2020 16:34:37 +0200
Subject: [PATCH] UserspaceEmulator: Add the setpgid syscall

---
 DevTools/UserspaceEmulator/Emulator.cpp | 7 +++++++
 DevTools/UserspaceEmulator/Emulator.h   | 1 +
 2 files changed, 8 insertions(+)

diff --git a/DevTools/UserspaceEmulator/Emulator.cpp b/DevTools/UserspaceEmulator/Emulator.cpp
index 42e2c5a9da..f8c159c5e0 100644
--- a/DevTools/UserspaceEmulator/Emulator.cpp
+++ b/DevTools/UserspaceEmulator/Emulator.cpp
@@ -259,6 +259,8 @@ u32 Emulator::virt_syscall(u32 function, u32 arg1, u32 arg2, u32 arg3)
         return virt$ttyname(arg1, arg2, arg3);
     case SC_getpgrp:
         return virt$getpgrp();
+    case SC_setpgid:
+        return virt$setpgid(arg1, arg2);
     case SC_execve:
         return virt$execve(arg1);
     case SC_sleep:
@@ -1267,6 +1269,11 @@ int Emulator::virt$getpgrp()
     return syscall(SC_getpgrp);
 }
 
+int Emulator::virt$setpgid(pid_t pid, pid_t pgid)
+{
+    return syscall(SC_setpgid, pid, pgid);
+}
+
 int Emulator::virt$ttyname(int fd, FlatPtr buffer, size_t buffer_size)
 {
     auto host_buffer = ByteBuffer::create_zeroed(buffer_size);
diff --git a/DevTools/UserspaceEmulator/Emulator.h b/DevTools/UserspaceEmulator/Emulator.h
index d83e5270b2..62cabc356a 100644
--- a/DevTools/UserspaceEmulator/Emulator.h
+++ b/DevTools/UserspaceEmulator/Emulator.h
@@ -138,6 +138,7 @@ private:
     ssize_t virt$getrandom(FlatPtr buffer, size_t buffer_size, unsigned int flags);
     int virt$sleep(unsigned);
     int virt$getpgrp();
+    int virt$setpgid(pid_t pid, pid_t pgid);
     int virt$ttyname(int fd, FlatPtr buffer, size_t buffer_size);
     int virt$getcwd(FlatPtr buffer, size_t buffer_size);