diff --git a/libc/include/sys/linux-syscalls.h b/libc/include/sys/linux-syscalls.h
index 9702a7a..35729ae 100644
--- a/libc/include/sys/linux-syscalls.h
+++ b/libc/include/sys/linux-syscalls.h
@@ -120,6 +120,8 @@
 #define __NR_sched_get_priority_max       (__NR_SYSCALL_BASE + 159)
 #define __NR_sched_get_priority_min       (__NR_SYSCALL_BASE + 160)
 #define __NR_sched_rr_get_interval        (__NR_SYSCALL_BASE + 161)
+#define __NR_sched_setaffinity            (__NR_SYSCALL_BASE + 241)
+#define __NR_sched_getaffinity            (__NR_SYSCALL_BASE + 242)
 #define __NR_uname                        (__NR_SYSCALL_BASE + 122)
 #define __NR_wait4                        (__NR_SYSCALL_BASE + 114)
 #define __NR_umask                        (__NR_SYSCALL_BASE + 60)
@@ -174,6 +176,7 @@
 #define __NR_getsockopt                   (__NR_SYSCALL_BASE + 295)
 #define __NR_sendmsg                      (__NR_SYSCALL_BASE + 296)
 #define __NR_recvmsg                      (__NR_SYSCALL_BASE + 297)
+#define __NR_getcpu                       (__NR_SYSCALL_BASE + 345)
 #define __NR_ioprio_set                   (__NR_SYSCALL_BASE + 314)
 #define __NR_ioprio_get                   (__NR_SYSCALL_BASE + 315)
 #define __NR_epoll_create                 (__NR_SYSCALL_BASE + 250)
@@ -218,6 +221,7 @@
 #define __NR_timer_delete                 (__NR_SYSCALL_BASE + 263)
 #define __NR_utimes                       (__NR_SYSCALL_BASE + 271)
 #define __NR_socketcall                   (__NR_SYSCALL_BASE + 102)
+#define __NR_getcpu                       (__NR_SYSCALL_BASE + 318)
 #define __NR_ioprio_set                   (__NR_SYSCALL_BASE + 289)
 #define __NR_ioprio_get                   (__NR_SYSCALL_BASE + 290)
 #define __NR_epoll_create                 (__NR_SYSCALL_BASE + 254)
@@ -276,6 +280,7 @@
 #define __NR_socketcall                   (__NR_SYSCALL_BASE + 102)
 #define __NR_socketcall                   (__NR_SYSCALL_BASE + 102)
 #define __NR___socketcall                 (__NR_SYSCALL_BASE + 102)
+#define __NR_getcpu                       (__NR_SYSCALL_BASE + 318)
 #define __NR_ioprio_set                   (__NR_SYSCALL_BASE + 288)
 #define __NR_ioprio_get                   (__NR_SYSCALL_BASE + 289)
 #define __NR_epoll_create                 (__NR_SYSCALL_BASE + 254)
diff --git a/libc/include/sys/linux-unistd.h b/libc/include/sys/linux-unistd.h
index 48c5c77..4a61724 100644
--- a/libc/include/sys/linux-unistd.h
+++ b/libc/include/sys/linux-unistd.h
@@ -53,7 +53,7 @@
 ssize_t          read (int, void*, size_t);
 ssize_t          write (int, const void*, size_t);
 ssize_t          __pread64 (int, void *, size_t, off_t, off_t);
-ssize_t          __pwrite64 (int, const void *, size_t, off_t, off_t);
+ssize_t          __pwrite64 (int, void *, size_t, off_t, off_t);
 int              __open (const char*, int, mode_t);
 int              __openat (int, const char*, int, mode_t);
 int              close (int);
@@ -183,6 +183,9 @@
 int              sched_get_priority_max (int policy);
 int              sched_get_priority_min (int policy);
 int              sched_rr_get_interval (pid_t pid, struct timespec *interval);
+int              sched_setaffinity (pid_t pid, size_t setsize, const cpu_set_t* set);
+int              __sched_getaffinity (pid_t pid, size_t setsize, cpu_set_t* set);
+int              __getcpu (unsigned *cpu, unsigned *node, void *unused);
 int              ioprio_set (int which, int who, int ioprio);
 int              ioprio_get (int which, int who);
 int              uname (struct utsname *);
@@ -205,7 +208,6 @@
 int              eventfd (unsigned int, int);
 int              __set_tls (void*);
 int              cacheflush (long start, long end, long flags);
-int              eventfd (int count, int flags);
 #ifdef __cplusplus
 }
 #endif