runtime: add timer_create syscalls for Linux

Updates #35057

Change-Id: Id702b502fa4e4005ba1e450a945bc4420a8a8b8c
Reviewed-on: https://go-review.googlesource.com/c/go/+/342052
Run-TryBot: Rhys Hiltner <rhys@justin.tv>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Michael Pratt <mpratt@google.com>
Trust: Than McIntosh <thanm@google.com>

src/runtime/defs_linux.go

@@ -58,6 +58,9 @@ const (
 	SA_ONSTACK = C.SA_ONSTACK
 	SA_SIGINFO = C.SA_SIGINFO
 
+	SI_KERNEL = C.SI_KERNEL
+	SI_TIMER  = C.SI_TIMER
+
 	SIGHUP    = C.SIGHUP
 	SIGINT    = C.SIGINT
 	SIGQUIT   = C.SIGQUIT
@@ -109,6 +112,10 @@ const (
 	ITIMER_VIRTUAL = C.ITIMER_VIRTUAL
 	ITIMER_PROF    = C.ITIMER_PROF
 
+	CLOCK_THREAD_CPUTIME_ID = C.CLOCK_THREAD_CPUTIME_ID
+
+	SIGEV_THREAD_ID = C.SIGEV_THREAD_ID
+
 	EPOLLIN       = C.POLLIN
 	EPOLLOUT      = C.POLLOUT
 	EPOLLERR      = C.POLLERR
@@ -126,5 +133,7 @@ type Timespec C.struct_timespec
 type Timeval C.struct_timeval
 type Sigaction C.struct_sigaction
 type Siginfo C.siginfo_t
+type Itimerspec C.struct_itimerspec
 type Itimerval C.struct_itimerval
+type Sigevent C.struct_sigevent
 type EpollEvent C.struct_epoll_event

src/runtime/defs_linux_386.go

@@ -28,6 +28,9 @@ const (
 	_SA_RESTORER = 0x4000000
 	_SA_SIGINFO  = 0x4
 
+	_SI_KERNEL = 0x80
+	_SI_TIMER  = -0x2
+
 	_SIGHUP    = 0x1
 	_SIGINT    = 0x2
 	_SIGQUIT   = 0x3
@@ -79,6 +82,10 @@ const (
 	_ITIMER_VIRTUAL = 0x1
 	_ITIMER_PROF    = 0x2
 
+	_CLOCK_THREAD_CPUTIME_ID = 0x3
+
+	_SIGEV_THREAD_ID = 0x4
+
 	_O_RDONLY   = 0x0
 	_O_NONBLOCK = 0x800
 	_O_CLOEXEC  = 0x80000
@@ -212,11 +219,24 @@ type ucontext struct {
 	uc_sigmask  uint32
 }
 
+type itimerspec struct {
+	it_interval timespec
+	it_value    timespec
+}
+
 type itimerval struct {
 	it_interval timeval
 	it_value    timeval
 }
 
+type sigevent struct {
+	value  uintptr
+	signo  int32
+	notify int32
+	// below here is a union; sigev_notify_thread_id is the only field we use
+	sigev_notify_thread_id int32
+}
+
 type epollevent struct {
 	events uint32
 	data   [8]byte // to match amd64

src/runtime/defs_linux_amd64.go

@@ -28,6 +28,9 @@ const (
 	_SA_RESTORER = 0x4000000
 	_SA_SIGINFO  = 0x4
 
+	_SI_KERNEL = 0x80
+	_SI_TIMER  = -0x2
+
 	_SIGHUP    = 0x1
 	_SIGINT    = 0x2
 	_SIGQUIT   = 0x3
@@ -79,6 +82,10 @@ const (
 	_ITIMER_VIRTUAL = 0x1
 	_ITIMER_PROF    = 0x2
 
+	_CLOCK_THREAD_CPUTIME_ID = 0x3
+
+	_SIGEV_THREAD_ID = 0x4
+
 	_EPOLLIN       = 0x1
 	_EPOLLOUT      = 0x4
 	_EPOLLERR      = 0x8
@@ -129,11 +136,24 @@ type siginfo struct {
 	si_addr uint64
 }
 
+type itimerspec struct {
+	it_interval timespec
+	it_value    timespec
+}
+
 type itimerval struct {
 	it_interval timeval
 	it_value    timeval
 }
 
+type sigevent struct {
+	value  uintptr
+	signo  int32
+	notify int32
+	// below here is a union; sigev_notify_thread_id is the only field we use
+	sigev_notify_thread_id int32
+}
+
 type epollevent struct {
 	events uint32
 	data   [8]byte // unaligned uintptr

src/runtime/defs_linux_arm.go

@@ -29,6 +29,8 @@ const (
 	_SA_ONSTACK     = 0x8000000
 	_SA_RESTORER    = 0 // unused on ARM
 	_SA_SIGINFO     = 0x4
+	_SI_KERNEL      = 0x80
+	_SI_TIMER       = -0x2
 	_SIGHUP         = 0x1
 	_SIGINT         = 0x2
 	_SIGQUIT        = 0x3
@@ -79,6 +81,10 @@ const (
 	_O_NONBLOCK     = 0x800
 	_O_CLOEXEC      = 0x80000
 
+	_CLOCK_THREAD_CPUTIME_ID = 0x3
+
+	_SIGEV_THREAD_ID = 0x4
+
 	_EPOLLIN       = 0x1
 	_EPOLLOUT      = 0x4
 	_EPOLLERR      = 0x8
@@ -153,11 +159,24 @@ func (tv *timeval) set_usec(x int32) {
 	tv.tv_usec = x
 }
 
+type itimerspec struct {
+	it_interval timespec
+	it_value    timespec
+}
+
 type itimerval struct {
 	it_interval timeval
 	it_value    timeval
 }
 
+type sigevent struct {
+	value  uintptr
+	signo  int32
+	notify int32
+	// below here is a union; sigev_notify_thread_id is the only field we use
+	sigev_notify_thread_id int32
+}
+
 type siginfo struct {
 	si_signo int32
 	si_errno int32

src/runtime/defs_linux_arm64.go

@@ -28,6 +28,9 @@ const (
 	_SA_RESTORER = 0x0 // Only used on intel
 	_SA_SIGINFO  = 0x4
 
+	_SI_KERNEL = 0x80
+	_SI_TIMER  = -0x2
+
 	_SIGHUP    = 0x1
 	_SIGINT    = 0x2
 	_SIGQUIT   = 0x3
@@ -79,6 +82,10 @@ const (
 	_ITIMER_VIRTUAL = 0x1
 	_ITIMER_PROF    = 0x2
 
+	_CLOCK_THREAD_CPUTIME_ID = 0x3
+
+	_SIGEV_THREAD_ID = 0x4
+
 	_EPOLLIN       = 0x1
 	_EPOLLOUT      = 0x4
 	_EPOLLERR      = 0x8
@@ -129,11 +136,24 @@ type siginfo struct {
 	si_addr uint64
 }
 
+type itimerspec struct {
+	it_interval timespec
+	it_value    timespec
+}
+
 type itimerval struct {
 	it_interval timeval
 	it_value    timeval
 }
 
+type sigevent struct {
+	value  uintptr
+	signo  int32
+	notify int32
+	// below here is a union; sigev_notify_thread_id is the only field we use
+	sigev_notify_thread_id int32
+}
+
 type epollevent struct {
 	events uint32
 	_pad   uint32

src/runtime/defs_linux_mips64x.go

@@ -32,6 +32,9 @@ const (
 	_SA_ONSTACK = 0x8000000
 	_SA_SIGINFO = 0x8
 
+	_SI_KERNEL = 0x80
+	_SI_TIMER  = -0x2
+
 	_SIGHUP    = 0x1
 	_SIGINT    = 0x2
 	_SIGQUIT   = 0x3
@@ -83,6 +86,10 @@ const (
 	_ITIMER_VIRTUAL = 0x1
 	_ITIMER_PROF    = 0x2
 
+	_CLOCK_THREAD_CPUTIME_ID = 0x3
+
+	_SIGEV_THREAD_ID = 0x4
+
 	_EPOLLIN       = 0x1
 	_EPOLLOUT      = 0x4
 	_EPOLLERR      = 0x8
@@ -138,11 +145,24 @@ type siginfo struct {
 	si_addr uint64
 }
 
+type itimerspec struct {
+	it_interval timespec
+	it_value    timespec
+}
+
 type itimerval struct {
 	it_interval timeval
 	it_value    timeval
 }
 
+type sigevent struct {
+	value  uintptr
+	signo  int32
+	notify int32
+	// below here is a union; sigev_notify_thread_id is the only field we use
+	sigev_notify_thread_id int32
+}
+
 type epollevent struct {
 	events    uint32
 	pad_cgo_0 [4]byte

src/runtime/defs_linux_mipsx.go

@@ -32,6 +32,9 @@ const (
 	_SA_ONSTACK = 0x8000000
 	_SA_SIGINFO = 0x8
 
+	_SI_KERNEL = 0x80
+	_SI_TIMER  = -0x2
+
 	_SIGHUP    = 0x1
 	_SIGINT    = 0x2
 	_SIGQUIT   = 0x3
@@ -83,6 +86,10 @@ const (
 	_ITIMER_VIRTUAL = 0x1
 	_ITIMER_PROF    = 0x2
 
+	_CLOCK_THREAD_CPUTIME_ID = 0x3
+
+	_SIGEV_THREAD_ID = 0x4
+
 	_EPOLLIN       = 0x1
 	_EPOLLOUT      = 0x4
 	_EPOLLERR      = 0x8
@@ -132,11 +139,24 @@ type siginfo struct {
 	si_addr uint32
 }
 
+type itimerspec struct {
+	it_interval timespec
+	it_value    timespec
+}
+
 type itimerval struct {
 	it_interval timeval
 	it_value    timeval
 }
 
+type sigevent struct {
+	value  uintptr
+	signo  int32
+	notify int32
+	// below here is a union; sigev_notify_thread_id is the only field we use
+	sigev_notify_thread_id int32
+}
+
 type epollevent struct {
 	events    uint32
 	pad_cgo_0 [4]byte

src/runtime/defs_linux_ppc64.go

@@ -27,6 +27,9 @@ const (
 	_SA_ONSTACK = 0x8000000
 	_SA_SIGINFO = 0x4
 
+	_SI_KERNEL = 0x80
+	_SI_TIMER  = -0x2
+
 	_SIGHUP    = 0x1
 	_SIGINT    = 0x2
 	_SIGQUIT   = 0x3
@@ -78,6 +81,10 @@ const (
 	_ITIMER_VIRTUAL = 0x1
 	_ITIMER_PROF    = 0x2
 
+	_CLOCK_THREAD_CPUTIME_ID = 0x3
+
+	_SIGEV_THREAD_ID = 0x4
+
 	_EPOLLIN       = 0x1
 	_EPOLLOUT      = 0x4
 	_EPOLLERR      = 0x8
@@ -130,11 +137,24 @@ type siginfo struct {
 	si_addr uint64
 }
 
+type itimerspec struct {
+	it_interval timespec
+	it_value    timespec
+}
+
 type itimerval struct {
 	it_interval timeval
 	it_value    timeval
 }
 
+type sigevent struct {
+	value  uintptr
+	signo  int32
+	notify int32
+	// below here is a union; sigev_notify_thread_id is the only field we use
+	sigev_notify_thread_id int32
+}
+
 type epollevent struct {
 	events    uint32
 	pad_cgo_0 [4]byte

src/runtime/defs_linux_ppc64le.go

@@ -27,6 +27,9 @@ const (
 	_SA_ONSTACK = 0x8000000
 	_SA_SIGINFO = 0x4
 
+	_SI_KERNEL = 0x80
+	_SI_TIMER  = -0x2
+
 	_SIGHUP    = 0x1
 	_SIGINT    = 0x2
 	_SIGQUIT   = 0x3
@@ -78,6 +81,10 @@ const (
 	_ITIMER_VIRTUAL = 0x1
 	_ITIMER_PROF    = 0x2
 
+	_CLOCK_THREAD_CPUTIME_ID = 0x3
+
+	_SIGEV_THREAD_ID = 0x4
+
 	_EPOLLIN       = 0x1
 	_EPOLLOUT      = 0x4
 	_EPOLLERR      = 0x8
@@ -130,11 +137,24 @@ type siginfo struct {
 	si_addr uint64
 }
 
+type itimerspec struct {
+	it_interval timespec
+	it_value    timespec
+}
+
 type itimerval struct {
 	it_interval timeval
 	it_value    timeval
 }
 
+type sigevent struct {
+	value  uintptr
+	signo  int32
+	notify int32
+	// below here is a union; sigev_notify_thread_id is the only field we use
+	sigev_notify_thread_id int32
+}
+
 type epollevent struct {
 	events    uint32
 	pad_cgo_0 [4]byte

src/runtime/defs_linux_riscv64.go

@@ -29,6 +29,9 @@ const (
 	_SA_RESTORER = 0x0
 	_SA_SIGINFO  = 0x4
 
+	_SI_KERNEL = 0x80
+	_SI_TIMER  = -0x2
+
 	_SIGHUP    = 0x1
 	_SIGINT    = 0x2
 	_SIGQUIT   = 0x3
@@ -80,6 +83,10 @@ const (
 	_ITIMER_VIRTUAL = 0x1
 	_ITIMER_PROF    = 0x2
 
+	_CLOCK_THREAD_CPUTIME_ID = 0x3
+
+	_SIGEV_THREAD_ID = 0x4
+
 	_EPOLLIN       = 0x1
 	_EPOLLOUT      = 0x4
 	_EPOLLERR      = 0x8
@@ -127,11 +134,24 @@ type siginfo struct {
 	si_addr uint64
 }
 
+type itimerspec struct {
+	it_interval timespec
+	it_value    timespec
+}
+
 type itimerval struct {
 	it_interval timeval
 	it_value    timeval
 }
 
+type sigevent struct {
+	value  uintptr
+	signo  int32
+	notify int32
+	// below here is a union; sigev_notify_thread_id is the only field we use
+	sigev_notify_thread_id int32
+}
+
 type epollevent struct {
 	events    uint32
 	pad_cgo_0 [4]byte

src/runtime/defs_linux_s390x.go

@@ -28,6 +28,9 @@ const (
 	_SA_ONSTACK = 0x8000000
 	_SA_SIGINFO = 0x4
 
+	_SI_KERNEL = 0x80
+	_SI_TIMER  = -0x2
+
 	_SIGHUP    = 0x1
 	_SIGINT    = 0x2
 	_SIGQUIT   = 0x3
@@ -79,6 +82,10 @@ const (
 	_ITIMER_VIRTUAL = 0x1
 	_ITIMER_PROF    = 0x2
 
+	_CLOCK_THREAD_CPUTIME_ID = 0x3
+
+	_SIGEV_THREAD_ID = 0x4
+
 	_EPOLLIN       = 0x1
 	_EPOLLOUT      = 0x4
 	_EPOLLERR      = 0x8
@@ -126,11 +133,24 @@ type siginfo struct {
 	si_addr uint64
 }
 
+type itimerspec struct {
+	it_interval timespec
+	it_value    timespec
+}
+
 type itimerval struct {
 	it_interval timeval
 	it_value    timeval
 }
 
+type sigevent struct {
+	value  uintptr
+	signo  int32
+	notify int32
+	// below here is a union; sigev_notify_thread_id is the only field we use
+	sigev_notify_thread_id int32
+}
+
 type epollevent struct {
 	events    uint32
 	pad_cgo_0 [4]byte

src/runtime/os_linux.go

@@ -395,6 +395,15 @@ func sigaltstack(new, old *stackt)
 //go:noescape
 func setitimer(mode int32, new, old *itimerval)
 
+//go:noescape
+func timer_create(clockid int32, sevp *sigevent, timerid *int32) int32
+
+//go:noescape
+func timer_settime(timerid int32, flags int32, new, old *itimerspec) int32
+
+//go:noescape
+func timer_delete(timerid int32) int32
+
 //go:noescape
 func rtsigprocmask(how int32, new, old *sigset, size int32)
 

src/runtime/sys_linux_386.s

@@ -56,6 +56,9 @@
 #define SYS_epoll_create	254
 #define SYS_epoll_ctl		255
 #define SYS_epoll_wait		256
+#define SYS_timer_create	259
+#define SYS_timer_settime	260
+#define SYS_timer_delete	263
 #define SYS_clock_gettime	265
 #define SYS_tgkill		270
 #define SYS_epoll_create1	329
@@ -210,6 +213,32 @@ TEXT runtime·setitimer(SB),NOSPLIT,$0-12
 	INVOKE_SYSCALL
 	RET
 
+TEXT runtime·timer_create(SB),NOSPLIT,$0-16
+	MOVL	$SYS_timer_create, AX
+	MOVL	clockid+0(FP), BX
+	MOVL	sevp+4(FP), CX
+	MOVL	timerid+8(FP), DX
+	INVOKE_SYSCALL
+	MOVL	AX, ret+12(FP)
+	RET
+
+TEXT runtime·timer_settime(SB),NOSPLIT,$0-20
+	MOVL	$SYS_timer_settime, AX
+	MOVL	timerid+0(FP), BX
+	MOVL	flags+4(FP), CX
+	MOVL	new+8(FP), DX
+	MOVL	old+12(FP), SI
+	INVOKE_SYSCALL
+	MOVL	AX, ret+16(FP)
+	RET
+
+TEXT runtime·timer_delete(SB),NOSPLIT,$0-8
+	MOVL	$SYS_timer_delete, AX
+	MOVL	timerid+0(FP), BX
+	INVOKE_SYSCALL
+	MOVL	AX, ret+4(FP)
+	RET
+
 TEXT runtime·mincore(SB),NOSPLIT,$0-16
 	MOVL	$SYS_mincore, AX
 	MOVL	addr+0(FP), BX

src/runtime/sys_linux_amd64.s

@@ -41,6 +41,9 @@
 #define SYS_futex		202
 #define SYS_sched_getaffinity	204
 #define SYS_epoll_create	213
+#define SYS_timer_create	222
+#define SYS_timer_settime	223
+#define SYS_timer_delete	226
 #define SYS_clock_gettime	228
 #define SYS_exit_group		231
 #define SYS_epoll_ctl		233
@@ -195,6 +198,32 @@ TEXT runtime·setitimer(SB),NOSPLIT,$0-24
 	SYSCALL
 	RET
 
+TEXT runtime·timer_create(SB),NOSPLIT,$0-28
+	MOVL	clockid+0(FP), DI
+	MOVQ	sevp+8(FP), SI
+	MOVQ	timerid+16(FP), DX
+	MOVL	$SYS_timer_create, AX
+	SYSCALL
+	MOVL	AX, ret+24(FP)
+	RET
+
+TEXT runtime·timer_settime(SB),NOSPLIT,$0-28
+	MOVL	timerid+0(FP), DI
+	MOVL	flags+4(FP), SI
+	MOVQ	new+8(FP), DX
+	MOVQ	old+16(FP), R10
+	MOVL	$SYS_timer_settime, AX
+	SYSCALL
+	MOVL	AX, ret+24(FP)
+	RET
+
+TEXT runtime·timer_delete(SB),NOSPLIT,$0-12
+	MOVL	timerid+0(FP), DI
+	MOVL	$SYS_timer_delete, AX
+	SYSCALL
+	MOVL	AX, ret+8(FP)
+	RET
+
 TEXT runtime·mincore(SB),NOSPLIT,$0-28
 	MOVQ	addr+0(FP), DI
 	MOVQ	n+8(FP), SI

src/runtime/sys_linux_arm.s

@@ -45,6 +45,9 @@
 #define SYS_epoll_create (SYS_BASE + 250)
 #define SYS_epoll_ctl (SYS_BASE + 251)
 #define SYS_epoll_wait (SYS_BASE + 252)
+#define SYS_timer_create (SYS_BASE + 257)
+#define SYS_timer_settime (SYS_BASE + 258)
+#define SYS_timer_delete (SYS_BASE + 261)
 #define SYS_epoll_create1 (SYS_BASE + 357)
 #define SYS_pipe2 (SYS_BASE + 359)
 #define SYS_fcntl (SYS_BASE + 55)
@@ -233,6 +236,32 @@ TEXT runtime·setitimer(SB),NOSPLIT,$0
 	SWI	$0
 	RET
 
+TEXT runtime·timer_create(SB),NOSPLIT,$0-16
+	MOVW	clockid+0(FP), R0
+	MOVW	sevp+4(FP), R1
+	MOVW	timerid+8(FP), R2
+	MOVW	$SYS_timer_create, R7
+	SWI	$0
+	MOVW	R0, ret+12(FP)
+	RET
+
+TEXT runtime·timer_settime(SB),NOSPLIT,$0-20
+	MOVW	timerid+0(FP), R0
+	MOVW	flags+4(FP), R1
+	MOVW	new+8(FP), R2
+	MOVW	old+12(FP), R3
+	MOVW	$SYS_timer_settime, R7
+	SWI	$0
+	MOVW	R0, ret+16(FP)
+	RET
+
+TEXT runtime·timer_delete(SB),NOSPLIT,$0-8
+	MOVW	timerid+0(FP), R0
+	MOVW	$SYS_timer_delete, R7
+	SWI	$0
+	MOVW	R0, ret+4(FP)
+	RET
+
 TEXT runtime·mincore(SB),NOSPLIT,$0
 	MOVW	addr+0(FP), R0
 	MOVW	n+4(FP), R1

src/runtime/sys_linux_arm64.s

@@ -49,6 +49,9 @@
 #define SYS_socket		198
 #define SYS_connect		203
 #define SYS_brk			214
+#define SYS_timer_create	107
+#define SYS_timer_settime	110
+#define SYS_timer_delete	111
 
 TEXT runtime·exit(SB),NOSPLIT|NOFRAME,$0-4
 	MOVW	code+0(FP), R0
@@ -197,6 +200,32 @@ TEXT runtime·setitimer(SB),NOSPLIT|NOFRAME,$0-24
 	SVC
 	RET
 
+TEXT runtime·timer_create(SB),NOSPLIT,$0-28
+	MOVW	clockid+0(FP), R0
+	MOVD	sevp+8(FP), R1
+	MOVD	timerid+16(FP), R2
+	MOVD	$SYS_timer_create, R8
+	SVC
+	MOVW	R0, ret+24(FP)
+	RET
+
+TEXT runtime·timer_settime(SB),NOSPLIT,$0-28
+	MOVW	timerid+0(FP), R0
+	MOVW	flags+4(FP), R1
+	MOVD	new+8(FP), R2
+	MOVD	old+16(FP), R3
+	MOVD	$SYS_timer_settime, R8
+	SVC
+	MOVW	R0, ret+24(FP)
+	RET
+
+TEXT runtime·timer_delete(SB),NOSPLIT,$0-12
+	MOVW	timerid+0(FP), R0
+	MOVD	$SYS_timer_delete, R8
+	SVC
+	MOVW	R0, ret+8(FP)
+	RET
+
 TEXT runtime·mincore(SB),NOSPLIT|NOFRAME,$0-28
 	MOVD	addr+0(FP), R0
 	MOVD	n+8(FP), R1

src/runtime/sys_linux_mips64x.s

@@ -41,6 +41,9 @@
 #define SYS_exit_group		5205
 #define SYS_epoll_create	5207
 #define SYS_epoll_ctl		5208
+#define SYS_timer_create	5216
+#define SYS_timer_settime	5217
+#define SYS_timer_delete	5220
 #define SYS_tgkill		5225
 #define SYS_openat		5247
 #define SYS_epoll_pwait		5272
@@ -204,6 +207,32 @@ TEXT runtime·setitimer(SB),NOSPLIT|NOFRAME,$0-24
 	SYSCALL
 	RET
 
+TEXT runtime·timer_create(SB),NOSPLIT,$0-28
+	MOVW	clockid+0(FP), R4
+	MOVV	sevp+8(FP), R5
+	MOVV	timerid+16(FP), R6
+	MOVV	$SYS_timer_create, R2
+	SYSCALL
+	MOVW	R2, ret+24(FP)
+	RET
+
+TEXT runtime·timer_settime(SB),NOSPLIT,$0-28
+	MOVW	timerid+0(FP), R4
+	MOVW	flags+4(FP), R5
+	MOVV	new+8(FP), R6
+	MOVV	old+16(FP), R7
+	MOVV	$SYS_timer_settime, R2
+	SYSCALL
+	MOVW	R2, ret+24(FP)
+	RET
+
+TEXT runtime·timer_delete(SB),NOSPLIT,$0-12
+	MOVW	timerid+0(FP), R4
+	MOVV	$SYS_timer_delete, R2
+	SYSCALL
+	MOVW	R2, ret+8(FP)
+	RET
+
 TEXT runtime·mincore(SB),NOSPLIT|NOFRAME,$0-28
 	MOVV	addr+0(FP), R4
 	MOVV	n+8(FP), R5

src/runtime/sys_linux_mipsx.s

@@ -43,6 +43,9 @@
 #define SYS_epoll_create	4248
 #define SYS_epoll_ctl		4249
 #define SYS_epoll_wait		4250
+#define SYS_timer_create	4257
+#define SYS_timer_settime	4258
+#define SYS_timer_delete	4261
 #define SYS_clock_gettime	4263
 #define SYS_tgkill		4266
 #define SYS_epoll_create1	4326
@@ -209,6 +212,32 @@ TEXT runtime·setitimer(SB),NOSPLIT,$0-12
 	SYSCALL
 	RET
 
+TEXT runtime·timer_create(SB),NOSPLIT,$0-16
+	MOVW	clockid+0(FP), R4
+	MOVW	sevp+4(FP), R5
+	MOVW	timerid+8(FP), R6
+	MOVW	$SYS_timer_create, R2
+	SYSCALL
+	MOVW	R2, ret+12(FP)
+	RET
+
+TEXT runtime·timer_settime(SB),NOSPLIT,$0-20
+	MOVW	timerid+0(FP), R4
+	MOVW	flags+4(FP), R5
+	MOVW	new+8(FP), R6
+	MOVW	old+12(FP), R7
+	MOVW	$SYS_timer_settime, R2
+	SYSCALL
+	MOVW	R2, ret+16(FP)
+	RET
+
+TEXT runtime·timer_delete(SB),NOSPLIT,$0-8
+	MOVW	timerid+0(FP), R4
+	MOVW	$SYS_timer_delete, R2
+	SYSCALL
+	MOVW	R2, ret+4(FP)
+	RET
+
 TEXT runtime·mincore(SB),NOSPLIT,$0-16
 	MOVW	addr+0(FP), R4
 	MOVW	n+4(FP), R5

src/runtime/sys_linux_ppc64x.s

@@ -44,6 +44,9 @@
 #define SYS_epoll_create	236
 #define SYS_epoll_ctl		237
 #define SYS_epoll_wait		238
+#define SYS_timer_create	240
+#define SYS_timer_settime	241
+#define SYS_timer_delete	244
 #define SYS_clock_gettime	246
 #define SYS_tgkill		250
 #define SYS_epoll_create1	315
@@ -176,6 +179,29 @@ TEXT runtime·setitimer(SB),NOSPLIT|NOFRAME,$0-24
 	SYSCALL	$SYS_setitimer
 	RET
 
+TEXT runtime·timer_create(SB),NOSPLIT,$0-28
+	MOVW	clockid+0(FP), R3
+	MOVD	sevp+8(FP), R4
+	MOVD	timerid+16(FP), R5
+	SYSCALL	$SYS_timer_create
+	MOVW	R3, ret+24(FP)
+	RET
+
+TEXT runtime·timer_settime(SB),NOSPLIT,$0-28
+	MOVW	timerid+0(FP), R3
+	MOVW	flags+4(FP), R4
+	MOVD	new+8(FP), R5
+	MOVD	old+16(FP), R6
+	SYSCALL	$SYS_timer_settime
+	MOVW	R3, ret+24(FP)
+	RET
+
+TEXT runtime·timer_delete(SB),NOSPLIT,$0-12
+	MOVW	timerid+0(FP), R3
+	SYSCALL	$SYS_timer_delete
+	MOVW	R3, ret+8(FP)
+	RET
+
 TEXT runtime·mincore(SB),NOSPLIT|NOFRAME,$0-28
 	MOVD	addr+0(FP), R3
 	MOVD	n+8(FP), R4

src/runtime/sys_linux_riscv64.s

@@ -48,6 +48,9 @@
 #define SYS_sigaltstack		132
 #define SYS_socket		198
 #define SYS_tgkill		131
+#define SYS_timer_create	107
+#define SYS_timer_delete	111
+#define SYS_timer_settime	110
 #define SYS_tkill		130
 #define SYS_write		64
 
@@ -201,6 +204,35 @@ TEXT runtime·setitimer(SB),NOSPLIT|NOFRAME,$0-24
 	ECALL
 	RET
 
+// func timer_create(clockid int32, sevp *sigevent, timerid *int32) int32
+TEXT runtime·timer_create(SB),NOSPLIT,$0-28
+	MOVW	clockid+0(FP), A0
+	MOV	sevp+8(FP), A1
+	MOV	timerid+16(FP), A2
+	MOV	$SYS_timer_create, A7
+	ECALL
+	MOVW	A0, ret+24(FP)
+	RET
+
+// func timer_settime(timerid int32, flags int32, new, old *itimerspec) int32
+TEXT runtime·timer_settime(SB),NOSPLIT,$0-28
+	MOVW	timerid+0(FP), A0
+	MOVW	flags+4(FP), A1
+	MOV	new+8(FP), A2
+	MOV	old+16(FP), A3
+	MOV	$SYS_timer_settime, A7
+	ECALL
+	MOVW	A0, ret+24(FP)
+	RET
+
+// func timer_delete(timerid int32) int32
+TEXT runtime·timer_delete(SB),NOSPLIT,$0-12
+	MOVW	timerid+0(FP), A0
+	MOV	$SYS_timer_delete, A7
+	ECALL
+	MOVW	A0, ret+8(FP)
+	RET
+
 // func mincore(addr unsafe.Pointer, n uintptr, dst *byte) int32
 TEXT runtime·mincore(SB),NOSPLIT|NOFRAME,$0-28
 	MOV	addr+0(FP), A0

src/runtime/sys_linux_s390x.s

@@ -39,6 +39,9 @@
 #define SYS_epoll_create        249
 #define SYS_epoll_ctl           250
 #define SYS_epoll_wait          251
+#define SYS_timer_create        254
+#define SYS_timer_settime       255
+#define SYS_timer_delete        258
 #define SYS_clock_gettime       260
 #define SYS_pipe2		325
 #define SYS_epoll_create1       327
@@ -185,6 +188,32 @@ TEXT runtime·setitimer(SB),NOSPLIT|NOFRAME,$0-24
 	SYSCALL
 	RET
 
+TEXT runtime·timer_create(SB),NOSPLIT|NOFRAME,$0-28
+	MOVW	clockid+0(FP), R2
+	MOVD	sevp+8(FP), R3
+	MOVD	timerid+16(FP), R4
+	MOVW	$SYS_timer_create, R1
+	SYSCALL
+	MOVW	R2, ret+24(FP)
+	RET
+
+TEXT runtime·timer_settime(SB),NOSPLIT|NOFRAME,$0-28
+	MOVW	timerid+0(FP), R2
+	MOVW	flags+4(FP), R3
+	MOVD	new+8(FP), R4
+	MOVD	old+16(FP), R5
+	MOVW	$SYS_timer_settime, R1
+	SYSCALL
+	MOVW	R2, ret+24(FP)
+	RET
+
+TEXT runtime·timer_delete(SB),NOSPLIT|NOFRAME,$0-12
+	MOVW	timerid+0(FP), R2
+	MOVW	$SYS_timer_delete, R1
+	SYSCALL
+	MOVW	R2, ret+8(FP)
+	RET
+
 TEXT runtime·mincore(SB),NOSPLIT|NOFRAME,$0-28
 	MOVD	addr+0(FP), R2
 	MOVD	n+8(FP), R3