7a9389330e
gcc/: * gcc.c (default_compilers): Add entry for ".go". * common.opt: Add -static-libgo as a driver option. * doc/install.texi (Configuration): Mention libgo as an option for --enable-shared. Mention go as an option for --enable-languages. * doc/invoke.texi (Overall Options): Mention .go as a file name suffix. Mention go as a -x option. * doc/frontends.texi (G++ and GCC): Mention Go as a supported language. * doc/sourcebuild.texi (Top Level): Mention libgo. * doc/standards.texi (Standards): Add section on Go language. Move references for other languages into their own section. * doc/contrib.texi (Contributors): Mention that I contributed the Go frontend. gcc/testsuite/: * lib/go.exp: New file. * lib/go-dg.exp: New file. * lib/go-torture.exp: New file. * lib/target-supports.exp (check_compile): Match // Go. From-SVN: r167407
47 lines
1.1 KiB
Go
47 lines
1.1 KiB
Go
// Copyright 2009 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package time
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import (
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"os"
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"syscall"
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)
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// Sleep pauses the current goroutine for at least ns nanoseconds.
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// Higher resolution sleeping may be provided by syscall.Nanosleep
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// on some operating systems.
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func Sleep(ns int64) os.Error {
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_, err := sleep(Nanoseconds(), ns)
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return err
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}
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// After waits at least ns nanoseconds before sending the current time
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// on the returned channel.
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func After(ns int64) <-chan int64 {
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t := Nanoseconds()
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ch := make(chan int64, 1)
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go func() {
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t, _ = sleep(t, ns)
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ch <- t
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}()
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return ch
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}
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// sleep takes the current time and a duration,
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// pauses for at least ns nanoseconds, and
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// returns the current time and an error.
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func sleep(t, ns int64) (int64, os.Error) {
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// TODO(cw): use monotonic-time once it's available
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end := t + ns
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for t < end {
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errno := syscall.Sleep(end - t)
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if errno != 0 && errno != syscall.EINTR {
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return 0, os.NewSyscallError("sleep", errno)
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}
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t = Nanoseconds()
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}
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return t, nil
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}
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