Improve system calls

- Wrap clock_getres()
- Wrap sched_setscheduler()
- Make sleep() api conformant
- Polyfill sleep() using select()
- Improve clock_gettime() polyfill
- Make nanosleep() POSIX conformant
- Slightly improve some DNS functions
- Further strengthen pledge() sandboxing
- Improve rounding of timeval / timespec
- Allow layering of pledge() calls on Linux
- Polyfill sched_yield() using select() on XNU
- Delete more system constants we probably don't need

libc/sysv/calls/clock_getres.s

@@ -1,2 +0,0 @@
-.include "o/libc/sysv/macros.internal.inc"
-.scall clock_getres,0x1ad0590eaffff0e5,globl

libc/sysv/calls/sched_get_priority_max.s

@@ -1,2 +0,0 @@
-.include "o/libc/sysv/macros.internal.inc"
-.scall sched_get_priority_max,0xffffff14cffff092,globl

libc/sysv/calls/sched_get_priority_min.s

@@ -1,2 +0,0 @@
-.include "o/libc/sysv/macros.internal.inc"
-.scall sched_get_priority_min,0xffffff14dffff093,globl

libc/sysv/calls/sched_getparam.s

@@ -1,2 +0,0 @@
-.include "o/libc/sysv/macros.internal.inc"
-.scall sched_getparam,0xffffff148ffff08f,globl

libc/sysv/calls/sched_getscheduler.s

@@ -1,2 +0,0 @@
-.include "o/libc/sysv/macros.internal.inc"
-.scall sched_getscheduler,0xffffff14affff091,globl

libc/sysv/calls/sched_setparam.s

@@ -1,2 +0,0 @@
-.include "o/libc/sysv/macros.internal.inc"
-.scall sched_setparam,0xffffff147ffff08e,globl

libc/sysv/calls/sched_setscheduler.s

@@ -1,2 +0,0 @@
-.include "o/libc/sysv/macros.internal.inc"
-.scall sched_setscheduler,0xffffff149ffff090,globl

libc/sysv/calls/sys_clock_getres.s

@@ -0,0 +1,2 @@
+.include "o/libc/sysv/macros.internal.inc"
+.scall sys_clock_getres,0x1ad0590eaffff0e5,globl,hidden

libc/sysv/calls/sys_sched_get_priority_max.s

@@ -0,0 +1,2 @@
+.include "o/libc/sysv/macros.internal.inc"
+.scall sys_sched_get_priority_max,0xffffff14cffff092,globl,hidden

libc/sysv/calls/sys_sched_get_priority_min.s

@@ -0,0 +1,2 @@
+.include "o/libc/sysv/macros.internal.inc"
+.scall sys_sched_get_priority_min,0xffffff14dffff093,globl,hidden

libc/sysv/calls/sys_sched_getaffinity.s

@@ -1,2 +1,2 @@
 .include "o/libc/sysv/macros.internal.inc"
-.scall sys_sched_getaffinity,0xfffffffffffff0cc,globl,hidden
+.scall sys_sched_getaffinity,0x15dffffffffff0cc,globl,hidden

libc/sysv/calls/sys_sched_getparam.s

@@ -0,0 +1,2 @@
+.include "o/libc/sysv/macros.internal.inc"
+.scall sys_sched_getparam,0x15bfff148ffff08f,globl,hidden

libc/sysv/calls/sys_sched_getscheduler.s

@@ -0,0 +1,2 @@
+.include "o/libc/sysv/macros.internal.inc"
+.scall sys_sched_getscheduler,0xffffff14affff091,globl,hidden

libc/sysv/calls/sys_sched_setaffinity.s

@@ -1,2 +1,2 @@
 .include "o/libc/sysv/macros.internal.inc"
-.scall sys_sched_setaffinity,0xfffffffffffff0cb,globl,hidden
+.scall sys_sched_setaffinity,0x15cffffffffff0cb,globl,hidden

libc/sysv/calls/sys_sched_setparam.s

@@ -0,0 +1,2 @@
+.include "o/libc/sysv/macros.internal.inc"
+.scall sys_sched_setparam,0x15afff147ffff08e,globl,hidden

libc/sysv/calls/sys_sched_setscheduler.s

@@ -0,0 +1,2 @@
+.include "o/libc/sysv/macros.internal.inc"
+.scall sys_sched_setscheduler,0xffffff149ffff090,globl,hidden

libc/sysv/calls/sys_sched_yield.s

@@ -1,2 +1,2 @@
 .include "o/libc/sysv/macros.internal.inc"
-.scall sys_sched_yield,0x15e12a14bffff018,globl,hidden
+.scall sys_sched_yield,0x15e12a14bf25d018,globl,hidden