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unix: change Solaris Iovec.Base to *byte

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Every other Iovec.Base field is *byte, and that is the only reasonable
value for Go. This is not backward compatible but we've made changes
like this before.

For golang/go#52885

Change-Id: I9a313a7931966a2483a322edd5c06c8cdca2557a
Reviewed-on: https://go-review.googlesource.com/c/sys/+/412496
TryBot-Result: Gopher Robot <gobot@golang.org>
Auto-Submit: Ian Lance Taylor <iant@google.com>
Reviewed-by: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Ian Lance Taylor <iant@google.com>
Reviewed-by: Alex Rakoczy <alex@golang.org>
Reviewed-by: Ian Lance Taylor <iant@google.com>
Auto-Submit: Tobias Klauser <tobias.klauser@gmail.com>
Run-TryBot: Ian Lance Taylor <iant@golang.org>
This commit is contained in:
Ian Lance Taylor
2022-06-15 17:01:07 -07:00
committed by Gopher Robot
parent 4f61da869c
commit 175b2fd9d6
4 changed files with 14 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

5
unix/syscall_illumos.go
View File

@@ -20,10 +20,9 @@ func bytes2iovec(bs [][]byte) []Iovec {
for i, b := range bs {
iovecs[i].SetLen(len(b))
if len(b) > 0 {
// somehow Iovec.Base on illumos is (*int8), not (*byte)
iovecs[i].Base = (*int8)(unsafe.Pointer(&b[0]))
iovecs[i].Base = &b[0]
} else {
iovecs[i].Base = (*int8)(unsafe.Pointer(&_zero))
iovecs[i].Base = (*byte)(unsafe.Pointer(&_zero))
}
}
return iovecs

8
unix/syscall_solaris.go
View File

@@ -457,10 +457,10 @@ func recvmsgRaw(fd int, p, oob []byte, flags int, rsa *RawSockaddrAny) (n, oobn
msg.Namelen = uint32(SizeofSockaddrAny)
var iov Iovec
if len(p) > 0 {
iov.Base = (*int8)(unsafe.Pointer(&p[0]))
iov.Base = &p[0]
iov.SetLen(len(p))
}
var dummy int8
var dummy byte
if len(oob) > 0 {
// receive at least one normal byte
if len(p) == 0 {
@@ -486,10 +486,10 @@ func sendmsgN(fd int, p, oob []byte, ptr unsafe.Pointer, salen _Socklen, flags i
msg.Namelen = uint32(salen)
var iov Iovec
if len(p) > 0 {
iov.Base = (*int8)(unsafe.Pointer(&p[0]))
iov.Base = &p[0]
iov.SetLen(len(p))
}
var dummy int8
var dummy byte
if len(oob) > 0 {
// send at least one normal byte
if len(p) == 0 {

8
unix/types_solaris.go
View File

@@ -74,6 +74,12 @@ struct sockaddr_any {
char pad[sizeof(union sockaddr_all) - sizeof(struct sockaddr)];
};
// go_iovec is used to get *byte as the base address for Iovec.
struct goIovec {
void* iov_base;
size_t iov_len;
};
*/
import "C"
@@ -150,7 +156,7 @@ type _Socklen C.socklen_t
type Linger C.struct_linger
type Iovec C.struct_iovec
type Iovec C.struct_goIovec
type IPMreq C.struct_ip_mreq

2
unix/ztypes_solaris_amd64.go
View File

@@ -178,7 +178,7 @@ type Linger struct {
}
type Iovec struct {
Base *int8
Base *byte
Len uint64
}