6 files changed, 39 insertions, 1 deletions
diff --git a/sys/include/sys/proc.h b/sys/include/sys/proc.h
index 89fe638..809ee23 100644
--- a/sys/include/sys/proc.h
+++ b/sys/include/sys/proc.h
@@ -122,8 +122,10 @@ struct proc {
 #define PROC_PINNED     BIT(7)  /* Pinned to CPU */
 
 struct proc *this_td(void);
+struct proc *td_copy(struct proc *td);
 struct proc *get_child(struct proc *cur, pid_t pid);
 
+int proc_init(struct proc *td, struct proc *parent);
 void proc_pin(struct proc *td, affinity_t cpu);
 void proc_unpin(struct proc *td);
 
diff --git a/sys/include/sys/sched.h b/sys/include/sys/sched.h
index 7a859b2..19ceb7e 100644
--- a/sys/include/sys/sched.h
+++ b/sys/include/sys/sched.h
@@ -33,6 +33,7 @@
 #include <sys/proc.h>
 #include <sys/cdefs.h>
 #include <sys/limits.h>
+#include <sys/time.h>
 
 /*
  * Scheduler CPU information
@@ -66,6 +67,7 @@ void sched_stat(struct sched_stat *statp);
 void sched_init(void);
 
 void sched_yield(void);
+void sched_suspend(struct proc *td, const struct timeval *tv);
 void sched_detach(struct proc *td);
 
 __dead void sched_enter(void);
diff --git a/sys/include/sys/socket.h b/sys/include/sys/socket.h
index c82ae4e..1a33108 100644
--- a/sys/include/sys/socket.h
+++ b/sys/include/sys/socket.h
@@ -69,6 +69,10 @@ typedef uint32_t socklen_t;
 /* Socket types */
 #define SOCK_STREAM 1
 
+/* Socket option names */
+#define SO_RCVTIMEO 0           /* Max time recv(2) waits */
+#define _SO_MAX     1           /* Max socket options */
+
 struct sockaddr_un {
     sa_family_t sun_family;
     char sun_path[108];
@@ -149,12 +153,22 @@ struct cmsg_list {
     uint8_t is_init : 1;
 };
 
+/*
+ * Socket option that may be applied to
+ * sockets on the system.
+ */
+struct sockopt {
+    socklen_t len;
+    char data[];
+};
+
 struct ksocket {
     int sockfd;
     union {
         struct sockaddr sockaddr;
         struct sockaddr_un un;
     };
+    struct sockopt *opt[_SO_MAX];
     struct proc *owner;
     struct cmsg_list cmsg_list;
     struct sockbuf buf;
@@ -170,10 +184,13 @@ scret_t sys_send(struct syscall_args *scargs);
 
 scret_t sys_recvmsg(struct syscall_args *scargs);
 scret_t sys_sendmsg(struct syscall_args *scargs);
+scret_t sys_setsockopt(struct syscall_args *scargs);
 #endif  /* _KERNEL */
 
 int socket(int domain, int type, int protocol);
 int bind(int sockfd, const struct sockaddr *addr, socklen_t len);
+
+int setsockopt(int sockfd, int level, int name, const void *v, socklen_t len);
 int connect(int sockfd, const struct sockaddr *addr, socklen_t len);
 
 ssize_t send(int sockfd, const void *buf, size_t size, int flags);
diff --git a/sys/include/sys/syscall.h b/sys/include/sys/syscall.h
index 9798d80..f53db8f 100644
--- a/sys/include/sys/syscall.h
+++ b/sys/include/sys/syscall.h
@@ -66,6 +66,7 @@
 #define SYS_sendmsg 25
 #define SYS_recvmsg 26
 #define SYS_connect 27
+#define SYS_setsockopt 28
 
 #if defined(_KERNEL)
 /* Syscall return value and arg type */
diff --git a/sys/include/sys/sysctl.h b/sys/include/sys/sysctl.h
index 078135b..3b8d3c7 100644
--- a/sys/include/sys/sysctl.h
+++ b/sys/include/sys/sysctl.h
@@ -30,16 +30,30 @@
 #ifndef _SYS_SYSCTL_H_
 #define _SYS_SYSCTL_H_
 
-#include <sys/types.h>
 #if defined(_KERNEL)
+#include <sys/types.h>
 #include <sys/syscall.h>
+#else
+#include <stdint.h>
+#include <stddef.h>
 #endif
 #include <sys/param.h>
 
+/*
+ * List of 'kern.* ' identifiers
+ */
 #define KERN_OSTYPE         0
 #define KERN_OSRELEASE      1
 #define KERN_VERSION        2
 #define KERN_VCACHE_TYPE    3
+#define KERN_HOSTNAME       4
+
+/*
+ * List of 'hw.* ' identifiers
+ */
+#define HW_PAGESIZE   5
+#define HW_NCPU       6
+#define HW_MACHINE    7
 
 /*
  * Option types (i.e., int, string, etc) for
@@ -61,6 +75,7 @@ struct sysctl_entry {
 };
 
 scret_t sys_sysctl(struct syscall_args *scargs);
+int sysctl_clearstr(int name);
 #endif  /* _KERNEL */
 
 /*
diff --git a/sys/include/sys/systm.h b/sys/include/sys/systm.h
index 42e1723..2f69175 100644
--- a/sys/include/sys/systm.h
+++ b/sys/include/sys/systm.h
@@ -39,6 +39,7 @@
 int copyin(const void *uaddr, void *kaddr, size_t len);
 int copyout(const void *kaddr, void *uaddr, size_t len);
 int copyinstr(const void *uaddr, char *kaddr, size_t len);
+int cpu_report_count(uint32_t count);
 
 __always_inline static inline void
 __sigraise(int signo)