diff --git a/src/internal/poll/fd_writev_libc.go b/src/internal/poll/fd_writev_libc.go
index e427e624810e9cb63d6c7b4965601af13751524f..7d59e6b641a29ce723b334f8234e791af4451068 100644
--- a/src/internal/poll/fd_writev_libc.go
+++ b/src/internal/poll/fd_writev_libc.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-//go:build darwin || (openbsd && !mips64)
+//go:build aix || darwin || (openbsd && !mips64)
package poll
diff --git a/src/internal/poll/iovec_unix.go b/src/internal/poll/iovec_unix.go
index c1500840ac243e09290fff84e770e9c3a58939af..3f2833e728dace621fe1239cb64a59233fb62036 100644
--- a/src/internal/poll/iovec_unix.go
+++ b/src/internal/poll/iovec_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd
+//go:build aix || darwin || dragonfly || freebsd || linux || netbsd || openbsd
package poll
diff --git a/src/internal/poll/writev.go b/src/internal/poll/writev.go
index 4086c705fdfa2bbfc9ed7abd5081b239328cbb5f..75c8b642b550fcab983b6ed229ba0171ec010f97 100644
--- a/src/internal/poll/writev.go
+++ b/src/internal/poll/writev.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
+//go:build unix
package poll
@@ -30,8 +30,8 @@ func (fd *FD) Writev(v *[][]byte) (int64, error) {
// 1024 and this seems conservative enough for now. Darwin's
// UIO_MAXIOV also seems to be 1024.
maxVec := 1024
- if runtime.GOOS == "solaris" {
- // IOV_MAX is set to XOPEN_IOV_MAX on Solaris.
+ if runtime.GOOS == "aix" || runtime.GOOS == "solaris" {
+ // IOV_MAX is set to XOPEN_IOV_MAX on AIX and Solaris.
maxVec = 16
}
diff --git a/src/net/writev_test.go b/src/net/writev_test.go
index 81b14774f9535d147bce92788d31e6e3e3152472..c4efe9d2ae80d5acff887e7bbb435aadd3102165 100644
--- a/src/net/writev_test.go
+++ b/src/net/writev_test.go
@@ -153,7 +153,7 @@ func testBuffer_writeTo(t *testing.T, chunks int, useCopy bool) {
var wantSum int
switch runtime.GOOS {
- case "android", "darwin", "ios", "dragonfly", "freebsd", "illumos", "linux", "netbsd", "openbsd", "solaris":
+ case "aix", "android", "darwin", "ios", "dragonfly", "freebsd", "illumos", "linux", "netbsd", "openbsd", "solaris":
var wantMinCalls int
wantSum = want.Len()
v := chunks
diff --git a/src/net/writev_unix.go b/src/net/writev_unix.go
index 3318fc5f6f9b041a112bacb2f4b159f0a776c4f3..3b0325bf640359696516e80ae84b2aae1ec4803f 100644
--- a/src/net/writev_unix.go
+++ b/src/net/writev_unix.go
@@ -2,7 +2,7 @@
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
-//go:build darwin || dragonfly || freebsd || linux || netbsd || openbsd || solaris
+//go:build unix
package net
diff --git a/src/syscall/syscall_aix.go b/src/syscall/syscall_aix.go
index 45a4060f568416996216cf1a1790f7a25d732d59..807990f3c0c5f6ecc89c721a59789d1a079bcb0f 100644
--- a/src/syscall/syscall_aix.go
+++ b/src/syscall/syscall_aix.go
@@ -642,6 +642,7 @@ func PtraceDetach(pid int) (err error) { return ptrace64(PT_DETACH, int64(pid),
//sys Unlink(path string) (err error)
//sysnb Uname(buf *Utsname) (err error)
//sys write(fd int, p []byte) (n int, err error)
+//sys writev(fd int, iovecs []Iovec) (n uintptr, err error)
//sys gettimeofday(tv *Timeval, tzp *Timezone) (err error)
diff --git a/src/syscall/zsyscall_aix_ppc64.go b/src/syscall/zsyscall_aix_ppc64.go
index 39838a42e651c1ac874136242b569f47239d9610..c9e2edea242b15959c1036deb77b9fbf82ed255e 100644
--- a/src/syscall/zsyscall_aix_ppc64.go
+++ b/src/syscall/zsyscall_aix_ppc64.go
@@ -96,6 +96,7 @@ import "unsafe"
//go:cgo_import_dynamic libc_Unlink unlink "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_Uname uname "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_write write "libc.a/shr_64.o"
+//go:cgo_import_dynamic libc_writev writev "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_gettimeofday gettimeofday "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_mmap mmap "libc.a/shr_64.o"
//go:cgo_import_dynamic libc_munmap munmap "libc.a/shr_64.o"
@@ -189,6 +190,7 @@ import "unsafe"
//go:linkname libc_Unlink libc_Unlink
//go:linkname libc_Uname libc_Uname
//go:linkname libc_write libc_write
+//go:linkname libc_writev libc_writev
//go:linkname libc_gettimeofday libc_gettimeofday
//go:linkname libc_mmap libc_mmap
//go:linkname libc_munmap libc_munmap
@@ -285,6 +287,7 @@ var (
libc_Unlink,
libc_Uname,
libc_write,
+ libc_writev,
libc_gettimeofday,
libc_mmap,
libc_munmap libcFunc
@@ -1381,6 +1384,21 @@ func write(fd int, p []byte) (n int, err error) {
// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+func writev(fd int, iovecs []Iovec) (n uintptr, err error) {
+ var _p0 *Iovec
+ if len(iovecs) > 0 {
+ _p0 = &iovecs[0]
+ }
+ r0, _, e1 := syscall6(uintptr(unsafe.Pointer(&libc_writev)), 3, uintptr(fd), uintptr(unsafe.Pointer(_p0)), uintptr(len(iovecs)), 0, 0, 0)
+ n = uintptr(r0)
+ if e1 != 0 {
+ err = errnoErr(e1)
+ }
+ return
+}
+
+// THIS FILE IS GENERATED BY THE COMMAND AT THE TOP; DO NOT EDIT
+
func gettimeofday(tv *Timeval, tzp *Timezone) (err error) {
_, _, e1 := syscall6(uintptr(unsafe.Pointer(&libc_gettimeofday)), 2, uintptr(unsafe.Pointer(tv)), uintptr(unsafe.Pointer(tzp)), 0, 0, 0, 0)
if e1 != 0 {