From 721788943d9385b16521c91ab3121dbd8f7b4ff3 Mon Sep 17 00:00:00 2001
From: Luke <luke.wilde@live.co.uk>
Date: Wed, 9 Sep 2020 08:35:02 +0100
Subject: [PATCH] Kernel: Implement _SC_OPEN_MAX

---
 Kernel/Syscalls/sysconf.cpp | 2 ++
 Kernel/UnixTypes.h          | 1 +
 Libraries/LibC/unistd.h     | 2 ++
 3 files changed, 5 insertions(+)

diff --git a/Kernel/Syscalls/sysconf.cpp b/Kernel/Syscalls/sysconf.cpp
index 5c25b414632..243d39ea55c 100644
--- a/Kernel/Syscalls/sysconf.cpp
+++ b/Kernel/Syscalls/sysconf.cpp
@@ -37,6 +37,8 @@ long Process::sys$sysconf(int name)
         return Processor::processor_count();
     case _SC_PAGESIZE:
         return PAGE_SIZE;
+    case _SC_OPEN_MAX:
+        return max_open_file_descriptors();
     default:
         return -EINVAL;
     }
diff --git a/Kernel/UnixTypes.h b/Kernel/UnixTypes.h
index f056d483049..2d50eb65c6b 100644
--- a/Kernel/UnixTypes.h
+++ b/Kernel/UnixTypes.h
@@ -60,6 +60,7 @@ enum {
     _SC_NPROCESSORS_CONF,
     _SC_NPROCESSORS_ONLN,
     _SC_PAGESIZE,
+    _SC_OPEN_MAX
 };
 
 #define PERF_EVENT_MALLOC 1
diff --git a/Libraries/LibC/unistd.h b/Libraries/LibC/unistd.h
index 0faa5f43970..8d1e2bd6a07 100644
--- a/Libraries/LibC/unistd.h
+++ b/Libraries/LibC/unistd.h
@@ -174,11 +174,13 @@ enum {
     _SC_NPROCESSORS_CONF,
     _SC_NPROCESSORS_ONLN,
     _SC_PAGESIZE,
+    _SC_OPEN_MAX,
 };
 
 #define _SC_NPROCESSORS_CONF _SC_NPROCESSORS_CONF
 #define _SC_NPROCESSORS_ONLN _SC_NPROCESSORS_ONLN
 #define _SC_PAGESIZE _SC_PAGESIZE
+#define _SC_OPEN_MAX _SC_OPEN_MAX
 
 long sysconf(int name);