summaryrefslogtreecommitdiff
path: root/vendor/golang.org/x/sys/unix/syscall_linux.go
diff options
context:
space:
mode:
authorLibravatar dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>2024-10-07 12:02:26 +0000
committerLibravatar GitHub <noreply@github.com>2024-10-07 12:02:26 +0000
commit33bd97a535834de4cec1b331ed511cb1ea49c4fe (patch)
treeaeaf0edf99c78f630456b8b167982c613138133f /vendor/golang.org/x/sys/unix/syscall_linux.go
parentupdate go-ffmpreg to v0.3.1 (pulls in latest wazero too) (#3398) (diff)
downloadgotosocial-33bd97a535834de4cec1b331ed511cb1ea49c4fe.tar.xz
[chore]: Bump golang.org/x/net from 0.29.0 to 0.30.0 (#3402)
Diffstat (limited to 'vendor/golang.org/x/sys/unix/syscall_linux.go')
-rw-r--r--vendor/golang.org/x/sys/unix/syscall_linux.go63
1 files changed, 62 insertions, 1 deletions
diff --git a/vendor/golang.org/x/sys/unix/syscall_linux.go b/vendor/golang.org/x/sys/unix/syscall_linux.go
index 3f1d3d4cb..f08abd434 100644
--- a/vendor/golang.org/x/sys/unix/syscall_linux.go
+++ b/vendor/golang.org/x/sys/unix/syscall_linux.go
@@ -1295,6 +1295,48 @@ func GetsockoptTCPInfo(fd, level, opt int) (*TCPInfo, error) {
return &value, err
}
+// GetsockoptTCPCCVegasInfo returns algorithm specific congestion control information for a socket using the "vegas"
+// algorithm.
+//
+// The socket's congestion control algorighm can be retrieved via [GetsockoptString] with the [TCP_CONGESTION] option:
+//
+// algo, err := unix.GetsockoptString(fd, unix.IPPROTO_TCP, unix.TCP_CONGESTION)
+func GetsockoptTCPCCVegasInfo(fd, level, opt int) (*TCPVegasInfo, error) {
+ var value [SizeofTCPCCInfo / 4]uint32 // ensure proper alignment
+ vallen := _Socklen(SizeofTCPCCInfo)
+ err := getsockopt(fd, level, opt, unsafe.Pointer(&value[0]), &vallen)
+ out := (*TCPVegasInfo)(unsafe.Pointer(&value[0]))
+ return out, err
+}
+
+// GetsockoptTCPCCDCTCPInfo returns algorithm specific congestion control information for a socket using the "dctp"
+// algorithm.
+//
+// The socket's congestion control algorighm can be retrieved via [GetsockoptString] with the [TCP_CONGESTION] option:
+//
+// algo, err := unix.GetsockoptString(fd, unix.IPPROTO_TCP, unix.TCP_CONGESTION)
+func GetsockoptTCPCCDCTCPInfo(fd, level, opt int) (*TCPDCTCPInfo, error) {
+ var value [SizeofTCPCCInfo / 4]uint32 // ensure proper alignment
+ vallen := _Socklen(SizeofTCPCCInfo)
+ err := getsockopt(fd, level, opt, unsafe.Pointer(&value[0]), &vallen)
+ out := (*TCPDCTCPInfo)(unsafe.Pointer(&value[0]))
+ return out, err
+}
+
+// GetsockoptTCPCCBBRInfo returns algorithm specific congestion control information for a socket using the "bbr"
+// algorithm.
+//
+// The socket's congestion control algorighm can be retrieved via [GetsockoptString] with the [TCP_CONGESTION] option:
+//
+// algo, err := unix.GetsockoptString(fd, unix.IPPROTO_TCP, unix.TCP_CONGESTION)
+func GetsockoptTCPCCBBRInfo(fd, level, opt int) (*TCPBBRInfo, error) {
+ var value [SizeofTCPCCInfo / 4]uint32 // ensure proper alignment
+ vallen := _Socklen(SizeofTCPCCInfo)
+ err := getsockopt(fd, level, opt, unsafe.Pointer(&value[0]), &vallen)
+ out := (*TCPBBRInfo)(unsafe.Pointer(&value[0]))
+ return out, err
+}
+
// GetsockoptString returns the string value of the socket option opt for the
// socket associated with fd at the given socket level.
func GetsockoptString(fd, level, opt int) (string, error) {
@@ -1959,7 +2001,26 @@ func Getpgrp() (pid int) {
//sysnb Getpid() (pid int)
//sysnb Getppid() (ppid int)
//sys Getpriority(which int, who int) (prio int, err error)
-//sys Getrandom(buf []byte, flags int) (n int, err error)
+
+func Getrandom(buf []byte, flags int) (n int, err error) {
+ vdsoRet, supported := vgetrandom(buf, uint32(flags))
+ if supported {
+ if vdsoRet < 0 {
+ return 0, errnoErr(syscall.Errno(-vdsoRet))
+ }
+ return vdsoRet, nil
+ }
+ var p *byte
+ if len(buf) > 0 {
+ p = &buf[0]
+ }
+ r, _, e := Syscall(SYS_GETRANDOM, uintptr(unsafe.Pointer(p)), uintptr(len(buf)), uintptr(flags))
+ if e != 0 {
+ return 0, errnoErr(e)
+ }
+ return int(r), nil
+}
+
//sysnb Getrusage(who int, rusage *Rusage) (err error)
//sysnb Getsid(pid int) (sid int, err error)
//sysnb Gettid() (tid int)