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unix: add ClockNanosleep and TIMER_ABSTIME

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This adds the ClockNanosleep syscall and the TIMER_* constants;
currently only TIMER_ABSTIME for specifying an absolute timestamp.

Change-Id: Ic8d857eb92818529aadab569cd8646a19bb9c055
Reviewed-on: https://go-review.googlesource.com/c/157658
Run-TryBot: Tobias Klauser <tobias.klauser@gmail.com>
TryBot-Result: Gobot Gobot <gobot@golang.org>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
This commit is contained in:
Sebastian Schmidt
2019-01-14 13:03:36 +00:00
committed by Tobias Klauser
parent 48ac38b7c8
commit 2be5172556
29 changed files with 178 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
unix/mkerrors.sh
+1 -1
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@@ -474,7 +474,7 @@ ccflags="$@"
$2 ~ /^CLONE_[A-Z_]+/ ||
$2 !~ /^(BPF_TIMEVAL)$/ &&
$2 ~ /^(BPF|DLT)_/ ||
$2 ~ /^CLOCK_/ ||
$2 ~ /^(CLOCK|TIMER)_/ ||
$2 ~ /^CAN_/ ||
$2 ~ /^CAP_/ ||
$2 ~ /^ALG_/ ||
unix/syscall_linux.go
+1
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@@ -1381,6 +1381,7 @@ func Sendfile(outfd int, infd int, offset *int64, count int) (written int, err e
//sys Chroot(path string) (err error)
//sys ClockGetres(clockid int32, res *Timespec) (err error)
//sys ClockGettime(clockid int32, time *Timespec) (err error)
//sys ClockNanosleep(clockid int32, flags int, request *Timespec, remain *Timespec) (err error)
//sys Close(fd int) (err error)
//sys CopyFileRange(rfd int, roff *int64, wfd int, woff *int64, len int, flags int) (n int, err error)
//sys DeleteModule(name string, flags int) (err error)
unix/syscall_linux_test.go
+33
View File
@@ -482,3 +482,36 @@ func TestSyncFileRange(t *testing.T) {
t.Fatalf("SyncFileRange: unexpected error: %v, want EINVAL", err)
}
}
func TestClockNanosleep(t *testing.T) {
delay := 100 * time.Millisecond
// Relative timespec.
start := time.Now()
rel := unix.NsecToTimespec(delay.Nanoseconds())
err := unix.ClockNanosleep(unix.CLOCK_MONOTONIC, 0, &rel, nil)
if err == unix.ENOSYS || err == unix.EPERM {
t.Skip("clock_nanosleep syscall is not available, skipping test")
} else if err != nil {
t.Errorf("ClockNanosleep(CLOCK_MONOTONIC, 0, %#v, nil) = %v", &rel, err)
} else if slept := time.Now().Sub(start); slept < delay {
t.Errorf("ClockNanosleep(CLOCK_MONOTONIC, 0, %#v, nil) slept only %v", &rel, slept)
}
// Absolute timespec.
start = time.Now()
until := start.Add(delay)
abs := unix.NsecToTimespec(until.UnixNano())
err = unix.ClockNanosleep(unix.CLOCK_REALTIME, unix.TIMER_ABSTIME, &abs, nil)
if err != nil {
t.Errorf("ClockNanosleep(CLOCK_REALTIME, TIMER_ABSTIME, %#v (=%v), nil) = %v", &abs, until, err)
} else if slept := time.Now().Sub(start); slept < delay {
t.Errorf("ClockNanosleep(CLOCK_REALTIME, TIMER_ABSTIME, %#v (=%v), nil) slept only %v", &abs, until, slept)
}
// Invalid clock. clock_nanosleep(2) says EINVAL, but it’s actually EOPNOTSUPP.
err = unix.ClockNanosleep(unix.CLOCK_THREAD_CPUTIME_ID, 0, &rel, nil)
if err != unix.EINVAL && err != unix.EOPNOTSUPP {
t.Errorf("ClockNanosleep(CLOCK_THREAD_CPUTIME_ID, 0, %#v, nil) = %v, want EINVAL or EOPNOTSUPP", &rel, err)
}
}
unix/zerrors_linux_386.go
+1
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@@ -2101,6 +2101,7 @@ const (
TCSETXF = 0x5434
TCSETXW = 0x5435
TCXONC = 0x540a
TIMER_ABSTIME = 0x1
TIOCCBRK = 0x5428
TIOCCONS = 0x541d
TIOCEXCL = 0x540c
unix/zerrors_linux_amd64.go
+1
View File
@@ -2102,6 +2102,7 @@ const (
TCSETXF = 0x5434
TCSETXW = 0x5435
TCXONC = 0x540a
TIMER_ABSTIME = 0x1
TIOCCBRK = 0x5428
TIOCCONS = 0x541d
TIOCEXCL = 0x540c
unix/zerrors_linux_arm.go
+1
View File
@@ -2108,6 +2108,7 @@ const (
TCSETXF = 0x5434
TCSETXW = 0x5435
TCXONC = 0x540a
TIMER_ABSTIME = 0x1
TIOCCBRK = 0x5428
TIOCCONS = 0x541d
TIOCEXCL = 0x540c
unix/zerrors_linux_arm64.go
+1
View File
@@ -2093,6 +2093,7 @@ const (
TCSETXF = 0x5434
TCSETXW = 0x5435
TCXONC = 0x540a
TIMER_ABSTIME = 0x1
TIOCCBRK = 0x5428
TIOCCONS = 0x541d
TIOCEXCL = 0x540c
unix/zerrors_linux_mips.go
+1
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@@ -2098,6 +2098,7 @@ const (
TCSETSW = 0x540f
TCSETSW2 = 0x8030542c
TCXONC = 0x5406
TIMER_ABSTIME = 0x1
TIOCCBRK = 0x5428
TIOCCONS = 0x80047478
TIOCEXCL = 0x740d
unix/zerrors_linux_mips64.go
+1
View File
@@ -2098,6 +2098,7 @@ const (
TCSETSW = 0x540f
TCSETSW2 = 0x8030542c
TCXONC = 0x5406
TIMER_ABSTIME = 0x1
TIOCCBRK = 0x5428
TIOCCONS = 0x80047478
TIOCEXCL = 0x740d
unix/zerrors_linux_mips64le.go
+1
View File
@@ -2098,6 +2098,7 @@ const (
TCSETSW = 0x540f
TCSETSW2 = 0x8030542c
TCXONC = 0x5406
TIMER_ABSTIME = 0x1
TIOCCBRK = 0x5428
TIOCCONS = 0x80047478
TIOCEXCL = 0x740d
unix/zerrors_linux_mipsle.go
+1
View File
@@ -2098,6 +2098,7 @@ const (
TCSETSW = 0x540f
TCSETSW2 = 0x8030542c
TCXONC = 0x5406
TIMER_ABSTIME = 0x1
TIOCCBRK = 0x5428
TIOCCONS = 0x80047478
TIOCEXCL = 0x740d
unix/zerrors_linux_ppc64.go
+1
View File
@@ -2151,6 +2151,7 @@ const (
TCSETSF = 0x802c7416
TCSETSW = 0x802c7415
TCXONC = 0x2000741e
TIMER_ABSTIME = 0x1
TIOCCBRK = 0x5428
TIOCCONS = 0x541d
TIOCEXCL = 0x540c
unix/zerrors_linux_ppc64le.go
+1
View File
@@ -2151,6 +2151,7 @@ const (
TCSETSF = 0x802c7416
TCSETSW = 0x802c7415
TCXONC = 0x2000741e
TIMER_ABSTIME = 0x1
TIOCCBRK = 0x5428
TIOCCONS = 0x541d
TIOCEXCL = 0x540c
unix/zerrors_linux_riscv64.go
+1
View File
@@ -2089,6 +2089,7 @@ const (
TCSETXF = 0x5434
TCSETXW = 0x5435
TCXONC = 0x540a
TIMER_ABSTIME = 0x1
TIOCCBRK = 0x5428
TIOCCONS = 0x541d
TIOCEXCL = 0x540c
unix/zerrors_linux_s390x.go
+1
View File
@@ -2162,6 +2162,7 @@ const (
TCSETXF = 0x5434
TCSETXW = 0x5435
TCXONC = 0x540a
TIMER_ABSTIME = 0x1
TIOCCBRK = 0x5428
TIOCCONS = 0x541d
TIOCEXCL = 0x540c
unix/zerrors_linux_sparc64.go
+1
View File
@@ -2150,6 +2150,7 @@ const (
TCSETSW = 0x8024540a
TCSETSW2 = 0x802c540e
TCXONC = 0x20005406
TIMER_ABSTIME = 0x1
TIOCCBRK = 0x2000747a
TIOCCONS = 0x20007424
TIOCEXCL = 0x2000740d
unix/zsyscall_linux_386.go
+10
View File
@@ -437,6 +437,16 @@ func ClockGettime(clockid int32, time *Timespec) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ClockNanosleep(clockid int32, flags int, request *Timespec, remain *Timespec) (err error) {
_, _, e1 := Syscall6(SYS_CLOCK_NANOSLEEP, uintptr(clockid), uintptr(flags), uintptr(unsafe.Pointer(request)), uintptr(unsafe.Pointer(remain)), 0, 0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Close(fd int) (err error) {
_, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
if e1 != 0 {
unix/zsyscall_linux_amd64.go
+10
View File
@@ -437,6 +437,16 @@ func ClockGettime(clockid int32, time *Timespec) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ClockNanosleep(clockid int32, flags int, request *Timespec, remain *Timespec) (err error) {
_, _, e1 := Syscall6(SYS_CLOCK_NANOSLEEP, uintptr(clockid), uintptr(flags), uintptr(unsafe.Pointer(request)), uintptr(unsafe.Pointer(remain)), 0, 0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Close(fd int) (err error) {
_, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
if e1 != 0 {
unix/zsyscall_linux_arm.go
+10
View File
@@ -437,6 +437,16 @@ func ClockGettime(clockid int32, time *Timespec) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ClockNanosleep(clockid int32, flags int, request *Timespec, remain *Timespec) (err error) {
_, _, e1 := Syscall6(SYS_CLOCK_NANOSLEEP, uintptr(clockid), uintptr(flags), uintptr(unsafe.Pointer(request)), uintptr(unsafe.Pointer(remain)), 0, 0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Close(fd int) (err error) {
_, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
if e1 != 0 {
unix/zsyscall_linux_arm64.go
+10
View File
@@ -437,6 +437,16 @@ func ClockGettime(clockid int32, time *Timespec) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ClockNanosleep(clockid int32, flags int, request *Timespec, remain *Timespec) (err error) {
_, _, e1 := Syscall6(SYS_CLOCK_NANOSLEEP, uintptr(clockid), uintptr(flags), uintptr(unsafe.Pointer(request)), uintptr(unsafe.Pointer(remain)), 0, 0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Close(fd int) (err error) {
_, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
if e1 != 0 {
unix/zsyscall_linux_mips.go
+10
View File
@@ -437,6 +437,16 @@ func ClockGettime(clockid int32, time *Timespec) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ClockNanosleep(clockid int32, flags int, request *Timespec, remain *Timespec) (err error) {
_, _, e1 := Syscall6(SYS_CLOCK_NANOSLEEP, uintptr(clockid), uintptr(flags), uintptr(unsafe.Pointer(request)), uintptr(unsafe.Pointer(remain)), 0, 0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Close(fd int) (err error) {
_, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
if e1 != 0 {
unix/zsyscall_linux_mips64.go
+10
View File
@@ -437,6 +437,16 @@ func ClockGettime(clockid int32, time *Timespec) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ClockNanosleep(clockid int32, flags int, request *Timespec, remain *Timespec) (err error) {
_, _, e1 := Syscall6(SYS_CLOCK_NANOSLEEP, uintptr(clockid), uintptr(flags), uintptr(unsafe.Pointer(request)), uintptr(unsafe.Pointer(remain)), 0, 0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Close(fd int) (err error) {
_, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
if e1 != 0 {
unix/zsyscall_linux_mips64le.go
+10
View File
@@ -437,6 +437,16 @@ func ClockGettime(clockid int32, time *Timespec) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ClockNanosleep(clockid int32, flags int, request *Timespec, remain *Timespec) (err error) {
_, _, e1 := Syscall6(SYS_CLOCK_NANOSLEEP, uintptr(clockid), uintptr(flags), uintptr(unsafe.Pointer(request)), uintptr(unsafe.Pointer(remain)), 0, 0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Close(fd int) (err error) {
_, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
if e1 != 0 {
unix/zsyscall_linux_mipsle.go
+10
View File
@@ -437,6 +437,16 @@ func ClockGettime(clockid int32, time *Timespec) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ClockNanosleep(clockid int32, flags int, request *Timespec, remain *Timespec) (err error) {
_, _, e1 := Syscall6(SYS_CLOCK_NANOSLEEP, uintptr(clockid), uintptr(flags), uintptr(unsafe.Pointer(request)), uintptr(unsafe.Pointer(remain)), 0, 0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Close(fd int) (err error) {
_, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
if e1 != 0 {
unix/zsyscall_linux_ppc64.go
+10
View File
@@ -437,6 +437,16 @@ func ClockGettime(clockid int32, time *Timespec) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ClockNanosleep(clockid int32, flags int, request *Timespec, remain *Timespec) (err error) {
_, _, e1 := Syscall6(SYS_CLOCK_NANOSLEEP, uintptr(clockid), uintptr(flags), uintptr(unsafe.Pointer(request)), uintptr(unsafe.Pointer(remain)), 0, 0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Close(fd int) (err error) {
_, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
if e1 != 0 {
unix/zsyscall_linux_ppc64le.go
+10
View File
@@ -437,6 +437,16 @@ func ClockGettime(clockid int32, time *Timespec) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ClockNanosleep(clockid int32, flags int, request *Timespec, remain *Timespec) (err error) {
_, _, e1 := Syscall6(SYS_CLOCK_NANOSLEEP, uintptr(clockid), uintptr(flags), uintptr(unsafe.Pointer(request)), uintptr(unsafe.Pointer(remain)), 0, 0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Close(fd int) (err error) {
_, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
if e1 != 0 {
unix/zsyscall_linux_riscv64.go
+10
View File
@@ -437,6 +437,16 @@ func ClockGettime(clockid int32, time *Timespec) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ClockNanosleep(clockid int32, flags int, request *Timespec, remain *Timespec) (err error) {
_, _, e1 := Syscall6(SYS_CLOCK_NANOSLEEP, uintptr(clockid), uintptr(flags), uintptr(unsafe.Pointer(request)), uintptr(unsafe.Pointer(remain)), 0, 0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Close(fd int) (err error) {
_, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
if e1 != 0 {
unix/zsyscall_linux_s390x.go
+10
View File
@@ -437,6 +437,16 @@ func ClockGettime(clockid int32, time *Timespec) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ClockNanosleep(clockid int32, flags int, request *Timespec, remain *Timespec) (err error) {
_, _, e1 := Syscall6(SYS_CLOCK_NANOSLEEP, uintptr(clockid), uintptr(flags), uintptr(unsafe.Pointer(request)), uintptr(unsafe.Pointer(remain)), 0, 0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Close(fd int) (err error) {
_, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
if e1 != 0 {
unix/zsyscall_linux_sparc64.go
+10
View File
@@ -437,6 +437,16 @@ func ClockGettime(clockid int32, time *Timespec) (err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func ClockNanosleep(clockid int32, flags int, request *Timespec, remain *Timespec) (err error) {
_, _, e1 := Syscall6(SYS_CLOCK_NANOSLEEP, uintptr(clockid), uintptr(flags), uintptr(unsafe.Pointer(request)), uintptr(unsafe.Pointer(remain)), 0, 0)
if e1 != 0 {
err = errnoErr(e1)
}
return
}
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
func Close(fd int) (err error) {
_, _, e1 := Syscall(SYS_CLOSE, uintptr(fd), 0, 0)
if e1 != 0 {