From 10e3e8f6d43bbb9c03328dae2a9875f955fd0a86 Mon Sep 17 00:00:00 2001
From: thatdutchguy <209150+thatdutchguy@users.noreply.github.com>
Date: Tue, 16 Mar 2021 11:05:23 -0700
Subject: [PATCH] Kernel: Add _SC_CLK_TCK to sysconf. Unbreaks the hatari port.

---
 Kernel/Syscalls/sysconf.cpp      | 3 +++
 Kernel/UnixTypes.h               | 1 +
 Userland/Libraries/LibC/unistd.h | 1 +
 3 files changed, 5 insertions(+)

diff --git a/Kernel/Syscalls/sysconf.cpp b/Kernel/Syscalls/sysconf.cpp
index 4a3b13b7a5..c6ae283190 100644
--- a/Kernel/Syscalls/sysconf.cpp
+++ b/Kernel/Syscalls/sysconf.cpp
@@ -44,6 +44,9 @@ KResultOr<long> Process::sys$sysconf(int name)
         return TTY_NAME_MAX;
     case _SC_GETPW_R_SIZE_MAX:
         return 4096; // idk
+    case _SC_CLK_TCK:
+        // FIXME: should return Number of clock intervals per second for times()
+        return 100; // seems to be 100 on x86_64
     default:
         return EINVAL;
     }
diff --git a/Kernel/UnixTypes.h b/Kernel/UnixTypes.h
index e200775dba..6932baae62 100644
--- a/Kernel/UnixTypes.h
+++ b/Kernel/UnixTypes.h
@@ -63,6 +63,7 @@ enum {
     _SC_TTY_NAME_MAX,
     _SC_PAGESIZE,
     _SC_GETPW_R_SIZE_MAX,
+    _SC_CLK_TCK,
 };
 
 #define PERF_EVENT_SAMPLE 0
diff --git a/Userland/Libraries/LibC/unistd.h b/Userland/Libraries/LibC/unistd.h
index 6c978e2dc1..a4ead75035 100644
--- a/Userland/Libraries/LibC/unistd.h
+++ b/Userland/Libraries/LibC/unistd.h
@@ -177,6 +177,7 @@ enum {
     _SC_TTY_NAME_MAX,
     _SC_PAGESIZE,
     _SC_GETPW_R_SIZE_MAX,
+    _SC_CLK_TCK,
 };
 
 #define _SC_NPROCESSORS_CONF _SC_NPROCESSORS_CONF