From 63ea0358bd25d359e2edd38aaa727d638f97efff Mon Sep 17 00:00:00 2001
From: Stefanos Kornilios Mitsis Poiitidis <stef@skmp.dev>
Date: Sun, 31 May 2020 11:19:20 +0300
Subject: [PATCH] syscalls/x64: Add pselect6

---
 External/FEXCore/Source/Interface/HLE/Syscalls/FD.cpp |  5 +++++
 External/FEXCore/Source/Interface/HLE/Syscalls/FD.h   |  1 +
 .../FEXCore/Source/Interface/HLE/x64/Syscalls.cpp     | 11 +++++++++++
 External/FEXCore/Source/Interface/HLE/x64/Syscalls.h  |  1 +
 4 files changed, 18 insertions(+)

diff --git a/External/FEXCore/Source/Interface/HLE/Syscalls/FD.cpp b/External/FEXCore/Source/Interface/HLE/Syscalls/FD.cpp
index fdff7e174..6eb22042c 100644
--- a/External/FEXCore/Source/Interface/HLE/Syscalls/FD.cpp
+++ b/External/FEXCore/Source/Interface/HLE/Syscalls/FD.cpp
@@ -293,6 +293,11 @@ namespace FEXCore::HLE {
     SYSCALL_ERRNO();
   }
 
+  uint64_t Pselect6(FEXCore::Core::InternalThreadState *Thread, int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, const struct timespec *timeout, const sigset_t *sigmask) {
+    uint64_t Result = pselect(nfds, readfds, writefds, exceptfds, timeout, sigmask);
+    SYSCALL_ERRNO();
+  }
+
   uint64_t Ppoll(FEXCore::Core::InternalThreadState *Thread, struct pollfd *fds, nfds_t nfds, const struct timespec *timeout_ts, const sigset_t *sigmask, size_t sigsetsize) {
     // sigsetsize is unused here since it is currently a constant and not exposed through glibc
     uint64_t Result = ::ppoll(fds, nfds, timeout_ts, sigmask);
diff --git a/External/FEXCore/Source/Interface/HLE/Syscalls/FD.h b/External/FEXCore/Source/Interface/HLE/Syscalls/FD.h
index e8aa1f8d9..d49a2884d 100644
--- a/External/FEXCore/Source/Interface/HLE/Syscalls/FD.h
+++ b/External/FEXCore/Source/Interface/HLE/Syscalls/FD.h
@@ -56,6 +56,7 @@ namespace FEXCore::HLE {
   uint64_t Inotify_init1(FEXCore::Core::InternalThreadState *Thread, int flags);
   uint64_t Memfd_Create(FEXCore::Core::InternalThreadState *Thread, const char *name, uint32_t flags);
   uint64_t Statx(FEXCore::Core::InternalThreadState *Thread, int dirfd, const char *pathname, int flags, uint32_t mask, struct statx *statxbuf);
+  uint64_t Pselect6(FEXCore::Core::InternalThreadState *Thread, int nfds, fd_set *readfds, fd_set *writefds, fd_set *exceptfds, const struct timespec *timeout, const sigset_t *sigmask);
   uint64_t Ppoll(FEXCore::Core::InternalThreadState *Thread, struct pollfd *fds, nfds_t nfds, const struct timespec *timeout_ts, const sigset_t *sigmask, size_t sigsetsize);
   uint64_t Name_to_handle_at(FEXCore::Core::InternalThreadState *Thread, int dirfd, const char *pathname, struct file_handle *handle, int *mount_id, int flags);
   uint64_t Open_by_handle_at(FEXCore::Core::InternalThreadState *Thread, int mount_fd, struct file_handle *handle, int flags);
diff --git a/External/FEXCore/Source/Interface/HLE/x64/Syscalls.cpp b/External/FEXCore/Source/Interface/HLE/x64/Syscalls.cpp
index fddf4ec24..ad06c1d19 100644
--- a/External/FEXCore/Source/Interface/HLE/x64/Syscalls.cpp
+++ b/External/FEXCore/Source/Interface/HLE/x64/Syscalls.cpp
@@ -391,6 +391,16 @@ void x64SyscallHandler::Strace(FEXCore::HLE::SyscallArguments *Args, uint64_t Re
       Args->Argument[4],
       Ret);
     break;
+  case SYSCALL_PSELECT6:
+    LogMan::Msg::D("pselect6(%d, %p, %p, %p, %p, %p) = %ld",
+      Args->Argument[1],
+      Args->Argument[2],
+      Args->Argument[3],
+      Args->Argument[4],
+      Args->Argument[5],
+      Args->Argument[6],
+      Ret);
+    break;
   case SYSCALL_PPOLL:
     LogMan::Msg::D("ppoll(%p, %d, %p, %p, %d) = %ld",
       Args->Argument[1],
@@ -895,6 +905,7 @@ void x64SyscallHandler::RegisterSyscallHandlers() {
     {SYSCALL_NEWFSTATAT,             cvt(&FEXCore::HLE::NewFStatat),             4},
     {SYSCALL_READLINKAT,             cvt(&FEXCore::HLE::Readlinkat),             4},
     {SYSCALL_FACCESSAT,              cvt(&FEXCore::HLE::FAccessat),              4},
+    {SYSCALL_PSELECT6,               cvt(&FEXCore::HLE::Pselect6),               6},
     {SYSCALL_PPOLL,                  cvt(&FEXCore::HLE::Ppoll),                  5},
     {SYSCALL_SET_ROBUST_LIST,        cvt(&FEXCore::HLE::Set_robust_list),        2},
     {SYSCALL_GET_ROBUST_LIST,        cvt(&FEXCore::HLE::Get_robust_list),        3},
diff --git a/External/FEXCore/Source/Interface/HLE/x64/Syscalls.h b/External/FEXCore/Source/Interface/HLE/x64/Syscalls.h
index 6ea05f31a..2c878a4c4 100644
--- a/External/FEXCore/Source/Interface/HLE/x64/Syscalls.h
+++ b/External/FEXCore/Source/Interface/HLE/x64/Syscalls.h
@@ -172,6 +172,7 @@ enum Syscalls {
   SYSCALL_NEWFSTATAT      = 262, ///< __NR_newfstatat
   SYSCALL_READLINKAT      = 267, ///< __NR_readlinkat
   SYSCALL_FACCESSAT       = 269, ///< __NR_faccessat
+  SYSCALL_PSELECT6        = 270, ///< __NR_pselect6
   SYSCALL_PPOLL           = 271, ///< __NR_ppoll
   SYSCALL_SET_ROBUST_LIST = 273, ///< __NR_set_robust_list
   SYSCALL_GET_ROBUST_LIST = 274, ///< __NR_get_robust_list