From d61c044b1678dd399c134e065f64eee6b231e119 Mon Sep 17 00:00:00 2001 From: Tobias Klauser Date: Fri, 17 Sep 2021 14:39:43 +0200 Subject: [PATCH] unix: implement Pipe using pipe2 syscall on all linux platforms Most architectures currently already implement Pipe using the pipe2 syscall. Only 386, amd64, mips{,le}, ppc and sparc64 still use the pipe syscall. However, some systems (e.g. Android seccomp policies) block that syscall, see golang/go#40828 for an example. The pipe2 syscall was added in Linux kernel version 2.6.27. The minimum required Linux kernel version for Go 1.18 will be changed to 2.6.32 per golang/go#45964 so it is possible to unify the implementation of Pipe using the pipe2 syscall. Same as CL 350530 did for package syscall. For golang/go#45964 Fixes golang/go#40828 Change-Id: I07d84d3ea06a54e37d9ff6b72702fe5d96efef7b Reviewed-on: https://go-review.googlesource.com/c/sys/+/350549 Trust: Tobias Klauser Run-TryBot: Tobias Klauser TryBot-Result: Go Bot Reviewed-by: Matt Layher Reviewed-by: Ian Lance Taylor --- unix/syscall_linux.go | 17 +++++++++++++++++ unix/syscall_linux_386.go | 26 -------------------------- unix/syscall_linux_amd64.go | 26 -------------------------- unix/syscall_linux_arm.go | 26 -------------------------- unix/syscall_linux_arm64.go | 24 ------------------------ unix/syscall_linux_mips64x.go | 24 ------------------------ unix/syscall_linux_mipsx.go | 23 ----------------------- unix/syscall_linux_ppc.go | 26 -------------------------- unix/syscall_linux_ppc64x.go | 26 -------------------------- unix/syscall_linux_riscv64.go | 24 ------------------------ unix/syscall_linux_s390x.go | 24 ------------------------ unix/syscall_linux_sparc64.go | 26 -------------------------- unix/zsyscall_linux.go | 20 ++++++++++---------- unix/zsyscall_linux_386.go | 10 ---------- unix/zsyscall_linux_amd64.go | 10 ---------- unix/zsyscall_linux_arm.go | 10 ---------- unix/zsyscall_linux_mips.go | 12 ------------ unix/zsyscall_linux_mipsle.go | 12 ------------ unix/zsyscall_linux_ppc.go | 10 ---------- unix/zsyscall_linux_ppc64.go | 10 ---------- unix/zsyscall_linux_ppc64le.go | 10 ---------- unix/zsyscall_linux_sparc64.go | 10 ---------- 22 files changed, 27 insertions(+), 379 deletions(-) diff --git a/unix/syscall_linux.go b/unix/syscall_linux.go index e2e08123..a8ae8a57 100644 --- a/unix/syscall_linux.go +++ b/unix/syscall_linux.go @@ -120,6 +120,23 @@ func Openat2(dirfd int, path string, how *OpenHow) (fd int, err error) { return openat2(dirfd, path, how, SizeofOpenHow) } +func Pipe(p []int) error { + return Pipe2(p, 0) +} + +//sysnb pipe2(p *[2]_C_int, flags int) (err error) + +func Pipe2(p []int, flags int) error { + if len(p) != 2 { + return EINVAL + } + var pp [2]_C_int + err := pipe2(&pp, flags) + p[0] = int(pp[0]) + p[1] = int(pp[1]) + return err +} + //sys ppoll(fds *PollFd, nfds int, timeout *Timespec, sigmask *Sigset_t) (n int, err error) func Ppoll(fds []PollFd, timeout *Timespec, sigmask *Sigset_t) (n int, err error) { diff --git a/unix/syscall_linux_386.go b/unix/syscall_linux_386.go index 095efbb7..9ce92216 100644 --- a/unix/syscall_linux_386.go +++ b/unix/syscall_linux_386.go @@ -19,32 +19,6 @@ func setTimeval(sec, usec int64) Timeval { return Timeval{Sec: int32(sec), Usec: int32(usec)} } -//sysnb pipe(p *[2]_C_int) (err error) - -func Pipe(p []int) (err error) { - if len(p) != 2 { - return EINVAL - } - var pp [2]_C_int - err = pipe(&pp) - p[0] = int(pp[0]) - p[1] = int(pp[1]) - return -} - -//sysnb pipe2(p *[2]_C_int, flags int) (err error) - -func Pipe2(p []int, flags int) (err error) { - if len(p) != 2 { - return EINVAL - } - var pp [2]_C_int - err = pipe2(&pp, flags) - p[0] = int(pp[0]) - p[1] = int(pp[1]) - return -} - // 64-bit file system and 32-bit uid calls // (386 default is 32-bit file system and 16-bit uid). //sys dup2(oldfd int, newfd int) (err error) diff --git a/unix/syscall_linux_amd64.go b/unix/syscall_linux_amd64.go index edb1edce..f18b63a8 100644 --- a/unix/syscall_linux_amd64.go +++ b/unix/syscall_linux_amd64.go @@ -114,32 +114,6 @@ func setTimeval(sec, usec int64) Timeval { return Timeval{Sec: sec, Usec: usec} } -//sysnb pipe(p *[2]_C_int) (err error) - -func Pipe(p []int) (err error) { - if len(p) != 2 { - return EINVAL - } - var pp [2]_C_int - err = pipe(&pp) - p[0] = int(pp[0]) - p[1] = int(pp[1]) - return -} - -//sysnb pipe2(p *[2]_C_int, flags int) (err error) - -func Pipe2(p []int, flags int) (err error) { - if len(p) != 2 { - return EINVAL - } - var pp [2]_C_int - err = pipe2(&pp, flags) - p[0] = int(pp[0]) - p[1] = int(pp[1]) - return -} - func (r *PtraceRegs) PC() uint64 { return r.Rip } func (r *PtraceRegs) SetPC(pc uint64) { r.Rip = pc } diff --git a/unix/syscall_linux_arm.go b/unix/syscall_linux_arm.go index 4d9be689..7d1dbd3d 100644 --- a/unix/syscall_linux_arm.go +++ b/unix/syscall_linux_arm.go @@ -19,32 +19,6 @@ func setTimeval(sec, usec int64) Timeval { return Timeval{Sec: int32(sec), Usec: int32(usec)} } -//sysnb pipe(p *[2]_C_int) (err error) - -func Pipe(p []int) (err error) { - if len(p) != 2 { - return EINVAL - } - var pp [2]_C_int - err = pipe2(&pp, 0) - p[0] = int(pp[0]) - p[1] = int(pp[1]) - return -} - -//sysnb pipe2(p *[2]_C_int, flags int) (err error) - -func Pipe2(p []int, flags int) (err error) { - if len(p) != 2 { - return EINVAL - } - var pp [2]_C_int - err = pipe2(&pp, flags) - p[0] = int(pp[0]) - p[1] = int(pp[1]) - return -} - func Seek(fd int, offset int64, whence int) (newoffset int64, err error) { newoffset, errno := seek(fd, offset, whence) if errno != 0 { diff --git a/unix/syscall_linux_arm64.go b/unix/syscall_linux_arm64.go index 2652c398..75b40a9b 100644 --- a/unix/syscall_linux_arm64.go +++ b/unix/syscall_linux_arm64.go @@ -138,30 +138,6 @@ func utimes(path string, tv *[2]Timeval) (err error) { return utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0) } -func Pipe(p []int) (err error) { - if len(p) != 2 { - return EINVAL - } - var pp [2]_C_int - err = pipe2(&pp, 0) - p[0] = int(pp[0]) - p[1] = int(pp[1]) - return -} - -//sysnb pipe2(p *[2]_C_int, flags int) (err error) - -func Pipe2(p []int, flags int) (err error) { - if len(p) != 2 { - return EINVAL - } - var pp [2]_C_int - err = pipe2(&pp, flags) - p[0] = int(pp[0]) - p[1] = int(pp[1]) - return -} - // Getrlimit prefers the prlimit64 system call. See issue 38604. func Getrlimit(resource int, rlim *Rlimit) error { err := Prlimit(0, resource, nil, rlim) diff --git a/unix/syscall_linux_mips64x.go b/unix/syscall_linux_mips64x.go index 3fc6f04a..36b27529 100644 --- a/unix/syscall_linux_mips64x.go +++ b/unix/syscall_linux_mips64x.go @@ -93,30 +93,6 @@ func setTimeval(sec, usec int64) Timeval { return Timeval{Sec: sec, Usec: usec} } -func Pipe(p []int) (err error) { - if len(p) != 2 { - return EINVAL - } - var pp [2]_C_int - err = pipe2(&pp, 0) - p[0] = int(pp[0]) - p[1] = int(pp[1]) - return -} - -//sysnb pipe2(p *[2]_C_int, flags int) (err error) - -func Pipe2(p []int, flags int) (err error) { - if len(p) != 2 { - return EINVAL - } - var pp [2]_C_int - err = pipe2(&pp, flags) - p[0] = int(pp[0]) - p[1] = int(pp[1]) - return -} - func Ioperm(from int, num int, on int) (err error) { return ENOSYS } diff --git a/unix/syscall_linux_mipsx.go b/unix/syscall_linux_mipsx.go index 4ec31d62..d0b8b232 100644 --- a/unix/syscall_linux_mipsx.go +++ b/unix/syscall_linux_mipsx.go @@ -111,29 +111,6 @@ func setTimeval(sec, usec int64) Timeval { return Timeval{Sec: int32(sec), Usec: int32(usec)} } -//sysnb pipe2(p *[2]_C_int, flags int) (err error) - -func Pipe2(p []int, flags int) (err error) { - if len(p) != 2 { - return EINVAL - } - var pp [2]_C_int - err = pipe2(&pp, flags) - p[0] = int(pp[0]) - p[1] = int(pp[1]) - return -} - -//sysnb pipe() (p1 int, p2 int, err error) - -func Pipe(p []int) (err error) { - if len(p) != 2 { - return EINVAL - } - p[0], p[1], err = pipe() - return -} - //sys mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset uintptr) (xaddr uintptr, err error) func mmap(addr uintptr, length uintptr, prot int, flags int, fd int, offset int64) (xaddr uintptr, err error) { diff --git a/unix/syscall_linux_ppc.go b/unix/syscall_linux_ppc.go index 068ef97f..c28fa34d 100644 --- a/unix/syscall_linux_ppc.go +++ b/unix/syscall_linux_ppc.go @@ -216,32 +216,6 @@ func (rsa *RawSockaddrNFCLLCP) SetServiceNameLen(length int) { rsa.Service_name_len = uint32(length) } -//sysnb pipe(p *[2]_C_int) (err error) - -func Pipe(p []int) (err error) { - if len(p) != 2 { - return EINVAL - } - var pp [2]_C_int - err = pipe(&pp) - p[0] = int(pp[0]) - p[1] = int(pp[1]) - return -} - -//sysnb pipe2(p *[2]_C_int, flags int) (err error) - -func Pipe2(p []int, flags int) (err error) { - if len(p) != 2 { - return EINVAL - } - var pp [2]_C_int - err = pipe2(&pp, flags) - p[0] = int(pp[0]) - p[1] = int(pp[1]) - return -} - //sys poll(fds *PollFd, nfds int, timeout int) (n int, err error) func Poll(fds []PollFd, timeout int) (n int, err error) { diff --git a/unix/syscall_linux_ppc64x.go b/unix/syscall_linux_ppc64x.go index f01c9621..2ba4aa76 100644 --- a/unix/syscall_linux_ppc64x.go +++ b/unix/syscall_linux_ppc64x.go @@ -102,32 +102,6 @@ func (rsa *RawSockaddrNFCLLCP) SetServiceNameLen(length int) { rsa.Service_name_len = uint64(length) } -//sysnb pipe(p *[2]_C_int) (err error) - -func Pipe(p []int) (err error) { - if len(p) != 2 { - return EINVAL - } - var pp [2]_C_int - err = pipe(&pp) - p[0] = int(pp[0]) - p[1] = int(pp[1]) - return -} - -//sysnb pipe2(p *[2]_C_int, flags int) (err error) - -func Pipe2(p []int, flags int) (err error) { - if len(p) != 2 { - return EINVAL - } - var pp [2]_C_int - err = pipe2(&pp, flags) - p[0] = int(pp[0]) - p[1] = int(pp[1]) - return -} - //sys poll(fds *PollFd, nfds int, timeout int) (n int, err error) func Poll(fds []PollFd, timeout int) (n int, err error) { diff --git a/unix/syscall_linux_riscv64.go b/unix/syscall_linux_riscv64.go index 92a4ad35..97468c59 100644 --- a/unix/syscall_linux_riscv64.go +++ b/unix/syscall_linux_riscv64.go @@ -137,30 +137,6 @@ func utimes(path string, tv *[2]Timeval) (err error) { return utimensat(AT_FDCWD, path, (*[2]Timespec)(unsafe.Pointer(&ts[0])), 0) } -func Pipe(p []int) (err error) { - if len(p) != 2 { - return EINVAL - } - var pp [2]_C_int - err = pipe2(&pp, 0) - p[0] = int(pp[0]) - p[1] = int(pp[1]) - return -} - -//sysnb pipe2(p *[2]_C_int, flags int) (err error) - -func Pipe2(p []int, flags int) (err error) { - if len(p) != 2 { - return EINVAL - } - var pp [2]_C_int - err = pipe2(&pp, flags) - p[0] = int(pp[0]) - p[1] = int(pp[1]) - return -} - func (r *PtraceRegs) PC() uint64 { return r.Pc } func (r *PtraceRegs) SetPC(pc uint64) { r.Pc = pc } diff --git a/unix/syscall_linux_s390x.go b/unix/syscall_linux_s390x.go index 1c99632e..3236feec 100644 --- a/unix/syscall_linux_s390x.go +++ b/unix/syscall_linux_s390x.go @@ -75,30 +75,6 @@ func setTimeval(sec, usec int64) Timeval { return Timeval{Sec: sec, Usec: usec} } -//sysnb pipe2(p *[2]_C_int, flags int) (err error) - -func Pipe(p []int) (err error) { - if len(p) != 2 { - return EINVAL - } - var pp [2]_C_int - err = pipe2(&pp, 0) // pipe2 is the same as pipe when flags are set to 0. - p[0] = int(pp[0]) - p[1] = int(pp[1]) - return -} - -func Pipe2(p []int, flags int) (err error) { - if len(p) != 2 { - return EINVAL - } - var pp [2]_C_int - err = pipe2(&pp, flags) - p[0] = int(pp[0]) - p[1] = int(pp[1]) - return -} - func Ioperm(from int, num int, on int) (err error) { return ENOSYS } diff --git a/unix/syscall_linux_sparc64.go b/unix/syscall_linux_sparc64.go index b9a25090..0544d967 100644 --- a/unix/syscall_linux_sparc64.go +++ b/unix/syscall_linux_sparc64.go @@ -119,32 +119,6 @@ func (rsa *RawSockaddrNFCLLCP) SetServiceNameLen(length int) { rsa.Service_name_len = uint64(length) } -//sysnb pipe(p *[2]_C_int) (err error) - -func Pipe(p []int) (err error) { - if len(p) != 2 { - return EINVAL - } - var pp [2]_C_int - err = pipe(&pp) - p[0] = int(pp[0]) - p[1] = int(pp[1]) - return -} - -//sysnb pipe2(p *[2]_C_int, flags int) (err error) - -func Pipe2(p []int, flags int) (err error) { - if len(p) != 2 { - return EINVAL - } - var pp [2]_C_int - err = pipe2(&pp, flags) - p[0] = int(pp[0]) - p[1] = int(pp[1]) - return -} - //sys poll(fds *PollFd, nfds int, timeout int) (n int, err error) func Poll(fds []PollFd, timeout int) (n int, err error) { diff --git a/unix/zsyscall_linux.go b/unix/zsyscall_linux.go index f98d2e36..701f7eb8 100644 --- a/unix/zsyscall_linux.go +++ b/unix/zsyscall_linux.go @@ -110,6 +110,16 @@ func openat2(dirfd int, path string, open_how *OpenHow, size int) (fd int, err e // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT +func pipe2(p *[2]_C_int, flags int) (err error) { + _, _, e1 := RawSyscall(SYS_PIPE2, uintptr(unsafe.Pointer(p)), uintptr(flags), 0) + if e1 != 0 { + err = errnoErr(e1) + } + return +} + +// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT + func ppoll(fds *PollFd, nfds int, timeout *Timespec, sigmask *Sigset_t) (n int, err error) { r0, _, e1 := Syscall6(SYS_PPOLL, uintptr(unsafe.Pointer(fds)), uintptr(nfds), uintptr(unsafe.Pointer(timeout)), uintptr(unsafe.Pointer(sigmask)), 0, 0) n = int(r0) @@ -1964,13 +1974,3 @@ func PidfdGetfd(pidfd int, targetfd int, flags int) (fd int, err error) { } return } - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - -func pipe2(p *[2]_C_int, flags int) (err error) { - _, _, e1 := RawSyscall(SYS_PIPE2, uintptr(unsafe.Pointer(p)), uintptr(flags), 0) - if e1 != 0 { - err = errnoErr(e1) - } - return -} diff --git a/unix/zsyscall_linux_386.go b/unix/zsyscall_linux_386.go index 8681ff24..f32cec99 100644 --- a/unix/zsyscall_linux_386.go +++ b/unix/zsyscall_linux_386.go @@ -46,16 +46,6 @@ func Tee(rfd int, wfd int, len int, flags int) (n int64, err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func pipe(p *[2]_C_int) (err error) { - _, _, e1 := RawSyscall(SYS_PIPE, uintptr(unsafe.Pointer(p)), 0, 0) - if e1 != 0 { - err = errnoErr(e1) - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - func dup2(oldfd int, newfd int) (err error) { _, _, e1 := Syscall(SYS_DUP2, uintptr(oldfd), uintptr(newfd), 0) if e1 != 0 { diff --git a/unix/zsyscall_linux_amd64.go b/unix/zsyscall_linux_amd64.go index bbc28ae0..c9bf2fe2 100644 --- a/unix/zsyscall_linux_amd64.go +++ b/unix/zsyscall_linux_amd64.go @@ -689,16 +689,6 @@ func utimes(path string, times *[2]Timeval) (err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func pipe(p *[2]_C_int) (err error) { - _, _, e1 := RawSyscall(SYS_PIPE, uintptr(unsafe.Pointer(p)), 0, 0) - if e1 != 0 { - err = errnoErr(e1) - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - func poll(fds *PollFd, nfds int, timeout int) (n int, err error) { r0, _, e1 := Syscall(SYS_POLL, uintptr(unsafe.Pointer(fds)), uintptr(nfds), uintptr(timeout)) n = int(r0) diff --git a/unix/zsyscall_linux_arm.go b/unix/zsyscall_linux_arm.go index 86e7d29f..39cca714 100644 --- a/unix/zsyscall_linux_arm.go +++ b/unix/zsyscall_linux_arm.go @@ -46,16 +46,6 @@ func Tee(rfd int, wfd int, len int, flags int) (n int64, err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func pipe(p *[2]_C_int) (err error) { - _, _, e1 := RawSyscall(SYS_PIPE, uintptr(unsafe.Pointer(p)), 0, 0) - if e1 != 0 { - err = errnoErr(e1) - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - func accept(s int, rsa *RawSockaddrAny, addrlen *_Socklen) (fd int, err error) { r0, _, e1 := Syscall(SYS_ACCEPT, uintptr(s), uintptr(unsafe.Pointer(rsa)), uintptr(unsafe.Pointer(addrlen))) fd = int(r0) diff --git a/unix/zsyscall_linux_mips.go b/unix/zsyscall_linux_mips.go index bac40554..1bf98982 100644 --- a/unix/zsyscall_linux_mips.go +++ b/unix/zsyscall_linux_mips.go @@ -684,18 +684,6 @@ func Pause() (err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func pipe() (p1 int, p2 int, err error) { - r0, r1, e1 := RawSyscall(SYS_PIPE, 0, 0, 0) - p1 = int(r0) - p2 = int(r1) - if e1 != 0 { - err = errnoErr(e1) - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - func mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset uintptr) (xaddr uintptr, err error) { r0, _, e1 := Syscall6(SYS_MMAP2, uintptr(addr), uintptr(length), uintptr(prot), uintptr(flags), uintptr(fd), uintptr(pageOffset)) xaddr = uintptr(r0) diff --git a/unix/zsyscall_linux_mipsle.go b/unix/zsyscall_linux_mipsle.go index a19ad447..199e4ef4 100644 --- a/unix/zsyscall_linux_mipsle.go +++ b/unix/zsyscall_linux_mipsle.go @@ -684,18 +684,6 @@ func Pause() (err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func pipe() (p1 int, p2 int, err error) { - r0, r1, e1 := RawSyscall(SYS_PIPE, 0, 0, 0) - p1 = int(r0) - p2 = int(r1) - if e1 != 0 { - err = errnoErr(e1) - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - func mmap2(addr uintptr, length uintptr, prot int, flags int, fd int, pageOffset uintptr) (xaddr uintptr, err error) { r0, _, e1 := Syscall6(SYS_MMAP2, uintptr(addr), uintptr(length), uintptr(prot), uintptr(flags), uintptr(fd), uintptr(pageOffset)) xaddr = uintptr(r0) diff --git a/unix/zsyscall_linux_ppc.go b/unix/zsyscall_linux_ppc.go index 94b5564e..daff312f 100644 --- a/unix/zsyscall_linux_ppc.go +++ b/unix/zsyscall_linux_ppc.go @@ -695,16 +695,6 @@ func setrlimit(resource int, rlim *rlimit32) (err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func pipe(p *[2]_C_int) (err error) { - _, _, e1 := RawSyscall(SYS_PIPE, uintptr(unsafe.Pointer(p)), 0, 0) - if e1 != 0 { - err = errnoErr(e1) - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - func poll(fds *PollFd, nfds int, timeout int) (n int, err error) { r0, _, e1 := Syscall(SYS_POLL, uintptr(unsafe.Pointer(fds)), uintptr(nfds), uintptr(timeout)) n = int(r0) diff --git a/unix/zsyscall_linux_ppc64.go b/unix/zsyscall_linux_ppc64.go index 9284e1d9..aa164b2f 100644 --- a/unix/zsyscall_linux_ppc64.go +++ b/unix/zsyscall_linux_ppc64.go @@ -741,16 +741,6 @@ func utimes(path string, times *[2]Timeval) (err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func pipe(p *[2]_C_int) (err error) { - _, _, e1 := RawSyscall(SYS_PIPE, uintptr(unsafe.Pointer(p)), 0, 0) - if e1 != 0 { - err = errnoErr(e1) - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - func poll(fds *PollFd, nfds int, timeout int) (n int, err error) { r0, _, e1 := Syscall(SYS_POLL, uintptr(unsafe.Pointer(fds)), uintptr(nfds), uintptr(timeout)) n = int(r0) diff --git a/unix/zsyscall_linux_ppc64le.go b/unix/zsyscall_linux_ppc64le.go index 8d6560ae..f289eac7 100644 --- a/unix/zsyscall_linux_ppc64le.go +++ b/unix/zsyscall_linux_ppc64le.go @@ -741,16 +741,6 @@ func utimes(path string, times *[2]Timeval) (err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func pipe(p *[2]_C_int) (err error) { - _, _, e1 := RawSyscall(SYS_PIPE, uintptr(unsafe.Pointer(p)), 0, 0) - if e1 != 0 { - err = errnoErr(e1) - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - func poll(fds *PollFd, nfds int, timeout int) (n int, err error) { r0, _, e1 := Syscall(SYS_POLL, uintptr(unsafe.Pointer(fds)), uintptr(nfds), uintptr(timeout)) n = int(r0) diff --git a/unix/zsyscall_linux_sparc64.go b/unix/zsyscall_linux_sparc64.go index 5657375b..8329e914 100644 --- a/unix/zsyscall_linux_sparc64.go +++ b/unix/zsyscall_linux_sparc64.go @@ -710,16 +710,6 @@ func utimes(path string, times *[2]Timeval) (err error) { // THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT -func pipe(p *[2]_C_int) (err error) { - _, _, e1 := RawSyscall(SYS_PIPE, uintptr(unsafe.Pointer(p)), 0, 0) - if e1 != 0 { - err = errnoErr(e1) - } - return -} - -// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT - func poll(fds *PollFd, nfds int, timeout int) (n int, err error) { r0, _, e1 := Syscall(SYS_POLL, uintptr(unsafe.Pointer(fds)), uintptr(nfds), uintptr(timeout)) n = int(r0)