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author | 2025-03-09 17:47:56 +0100 | |
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committer | 2025-03-10 01:59:49 +0100 | |
commit | 3ac1ee16f377d31a0fb80c8dae28b6239ac4229e (patch) | |
tree | f61faa581feaaeaba2542b9f2b8234a590684413 /vendor/google.golang.org/grpc/internal/syscall/syscall_linux.go | |
parent | [chore] update URLs to forked source (diff) | |
download | gotosocial-3ac1ee16f377d31a0fb80c8dae28b6239ac4229e.tar.xz |
[chore] remove vendor
Diffstat (limited to 'vendor/google.golang.org/grpc/internal/syscall/syscall_linux.go')
-rw-r--r-- | vendor/google.golang.org/grpc/internal/syscall/syscall_linux.go | 112 |
1 files changed, 0 insertions, 112 deletions
diff --git a/vendor/google.golang.org/grpc/internal/syscall/syscall_linux.go b/vendor/google.golang.org/grpc/internal/syscall/syscall_linux.go deleted file mode 100644 index b3a72276d..000000000 --- a/vendor/google.golang.org/grpc/internal/syscall/syscall_linux.go +++ /dev/null @@ -1,112 +0,0 @@ -/* - * - * Copyright 2018 gRPC authors. - * - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - */ - -// Package syscall provides functionalities that grpc uses to get low-level operating system -// stats/info. -package syscall - -import ( - "fmt" - "net" - "syscall" - "time" - - "golang.org/x/sys/unix" - "google.golang.org/grpc/grpclog" -) - -var logger = grpclog.Component("core") - -// GetCPUTime returns the how much CPU time has passed since the start of this process. -func GetCPUTime() int64 { - var ts unix.Timespec - if err := unix.ClockGettime(unix.CLOCK_PROCESS_CPUTIME_ID, &ts); err != nil { - logger.Fatal(err) - } - return ts.Nano() -} - -// Rusage is an alias for syscall.Rusage under linux environment. -type Rusage = syscall.Rusage - -// GetRusage returns the resource usage of current process. -func GetRusage() *Rusage { - rusage := new(Rusage) - syscall.Getrusage(syscall.RUSAGE_SELF, rusage) - return rusage -} - -// CPUTimeDiff returns the differences of user CPU time and system CPU time used -// between two Rusage structs. -func CPUTimeDiff(first *Rusage, latest *Rusage) (float64, float64) { - var ( - utimeDiffs = latest.Utime.Sec - first.Utime.Sec - utimeDiffus = latest.Utime.Usec - first.Utime.Usec - stimeDiffs = latest.Stime.Sec - first.Stime.Sec - stimeDiffus = latest.Stime.Usec - first.Stime.Usec - ) - - uTimeElapsed := float64(utimeDiffs) + float64(utimeDiffus)*1.0e-6 - sTimeElapsed := float64(stimeDiffs) + float64(stimeDiffus)*1.0e-6 - - return uTimeElapsed, sTimeElapsed -} - -// SetTCPUserTimeout sets the TCP user timeout on a connection's socket -func SetTCPUserTimeout(conn net.Conn, timeout time.Duration) error { - tcpconn, ok := conn.(*net.TCPConn) - if !ok { - // not a TCP connection. exit early - return nil - } - rawConn, err := tcpconn.SyscallConn() - if err != nil { - return fmt.Errorf("error getting raw connection: %v", err) - } - err = rawConn.Control(func(fd uintptr) { - err = syscall.SetsockoptInt(int(fd), syscall.IPPROTO_TCP, unix.TCP_USER_TIMEOUT, int(timeout/time.Millisecond)) - }) - if err != nil { - return fmt.Errorf("error setting option on socket: %v", err) - } - - return nil -} - -// GetTCPUserTimeout gets the TCP user timeout on a connection's socket -func GetTCPUserTimeout(conn net.Conn) (opt int, err error) { - tcpconn, ok := conn.(*net.TCPConn) - if !ok { - err = fmt.Errorf("conn is not *net.TCPConn. got %T", conn) - return - } - rawConn, err := tcpconn.SyscallConn() - if err != nil { - err = fmt.Errorf("error getting raw connection: %v", err) - return - } - err = rawConn.Control(func(fd uintptr) { - opt, err = syscall.GetsockoptInt(int(fd), syscall.IPPROTO_TCP, unix.TCP_USER_TIMEOUT) - }) - if err != nil { - err = fmt.Errorf("error getting option on socket: %v", err) - return - } - - return -} |