SYS_SHMGET                   = 231 // { int shmget(key_t key, size_t size, int shmflg); }
	SYS_CLOCK_GETTIME            = 232 // { int clock_gettime(clockid_t clock_id, struct timespec *tp); }
	SYS_CLOCK_SETTIME            = 233 // { int clock_settime(clockid_t clock_id, const struct timespec *tp); }
	SYS_CLOCK_GETRES             = 234 // { int clock_getres(clockid_t clock_id, struct timespec *tp); }

	SYS_SHMGET                   = 231 // { int shmget(key_t key, size_t size, int shmflg); }
	SYS_CLOCK_GETTIME            = 232 // { int clock_gettime(clockid_t clock_id, struct timespec *tp); }
	SYS_CLOCK_SETTIME            = 233 // { int clock_settime(clockid_t clock_id, const struct timespec *tp); }
	SYS_CLOCK_GETRES             = 234 // { int clock_getres(clockid_t clock_id, struct timespec *tp); }

	SYS_SHMGET                   = 231 // { int shmget(key_t key, size_t size, int shmflg); }
	SYS_CLOCK_GETTIME            = 232 // { int clock_gettime(clockid_t clock_id, struct timespec *tp); }
	SYS_CLOCK_SETTIME            = 233 // { int clock_settime( clockid_t clock_id, const struct timespec *tp); }
	SYS_CLOCK_GETRES             = 234 // { int clock_getres(clockid_t clock_id, struct timespec *tp); }

	MOVL	mode+0(FP), DI
	MOVQ	new+8(FP), SI
	MOVQ	old+16(FP), DX
	MOVL	$83, AX
	SYSCALL
	RET

// func walltime() (sec int64, nsec int32)
TEXT runtime·walltime(SB), NOSPLIT, $32
	MOVL	$232, AX // clock_gettime
	MOVQ	$0, DI  	// CLOCK_REALTIME
	LEAQ	8(SP), SI
	SYSCALL
	MOVQ	8(SP), AX	// sec
	MOVQ	16(SP), DX	// nsec

	// sec is in AX, nsec in DX
	MOVQ	AX, sec+0(FP)
	MOVL	DX, nsec+8(FP)
	RET

//go:cgo_export_dynamic runtime.end _end
//go:cgo_export_dynamic runtime.etext _etext
//go:cgo_export_dynamic runtime.edata _edata

//go:cgo_import_dynamic libc____errno ___errno "libc.so"
//go:cgo_import_dynamic libc_clock_gettime clock_gettime "libc.so"
//go:cgo_import_dynamic libc_exit _exit "libc.so"
//go:cgo_import_dynamic libc_getcontext getcontext "libc.so"
//go:cgo_import_dynamic libc_kill kill "libc.so"
//go:cgo_import_dynamic libc_madvise madvise "libc.so"

//go:cgo_import_dynamic libc_mach_timebase_info mach_timebase_info "/usr/lib/libSystem.B.dylib"
//go:cgo_import_dynamic libc_mach_absolute_time mach_absolute_time "/usr/lib/libSystem.B.dylib"
//go:cgo_import_dynamic libc_clock_gettime clock_gettime "/usr/lib/libSystem.B.dylib"
//go:cgo_import_dynamic libc_sigaction sigaction "/usr/lib/libSystem.B.dylib"
//go:cgo_import_dynamic libc_pthread_sigmask pthread_sigmask "/usr/lib/libSystem.B.dylib"