LibC: Add _SC_NPROCESSORS_{CONF,ONLN)

kernel/include/kernel/Process.h

@@ -161,6 +161,8 @@ namespace Kernel
 
 		BAN::ErrorOr<long> sys_sync(bool should_block);
 
+		BAN::ErrorOr<long> sys_get_nprocessor();
+
 		static BAN::ErrorOr<long> clean_poweroff(int command);
 		BAN::ErrorOr<long> sys_poweroff(int command);
 

kernel/kernel/Process.cpp

@@ -2011,6 +2011,11 @@ namespace Kernel
 		return 0;
 	}
 
+	BAN::ErrorOr<long> Process::sys_get_nprocessor()
+	{
+		return Processor::count();
+	}
+
 	[[noreturn]] static void reset_system()
 	{
 		(void)ACPI::ACPI::get().reset();

userspace/libraries/LibC/include/sys/syscall.h

@@ -108,6 +108,7 @@ __BEGIN_DECLS
 	O(SYS_EPOLL_CTL,		epoll_ctl)		\
 	O(SYS_EPOLL_PWAIT2,		epoll_pwait2)	\
 	O(SYS_FLOCK,			flock)			\
+	O(SYS_GET_NPROCESSOR,	get_nprocessor)	\
 
 enum Syscall
 {

userspace/libraries/LibC/include/unistd.h

@@ -342,6 +342,10 @@ enum
 #define _SC_MQ_PRIO_MAX _SC_MQ_PRIO_MAX
 	_SC_NGROUPS_MAX,
 #define _SC_NGROUPS_MAX _SC_NGROUPS_MAX
+	_SC_NPROCESSORS_CONF,
+#define _SC_NPROCESSORS_CONF _SC_NPROCESSORS_CONF
+	_SC_NPROCESSORS_ONLN,
+#define _SC_NPROCESSORS_ONLN _SC_NPROCESSORS_ONLN
 	_SC_OPEN_MAX,
 #define _SC_OPEN_MAX _SC_OPEN_MAX
 	_SC_PAGE_SIZE,

userspace/libraries/LibC/unistd.cpp

@@ -1015,6 +1015,9 @@ long sysconf(int name)
 		case _SC_PAGE_SIZE:
 		case _SC_PAGESIZE:         return getpagesize();
 
+		case _SC_NPROCESSORS_ONLN: return syscall(SYS_GET_NPROCESSOR);
+		case _SC_NPROCESSORS_CONF: return syscall(SYS_GET_NPROCESSOR);
+
 		case _SC_CLK_TCK:          return 100;
 		case _SC_GETGR_R_SIZE_MAX: return 1024;
 		case _SC_GETPW_R_SIZE_MAX: return 1024;