mirror/gcc
2
0
Fork 0
mirror of git://gcc.gnu.org/git/gcc.git synced 2025-04-06 02:20:34 +08:00
Code Issues Packages Projects Releases Wiki Activity

syscall: Fix errno handling in syscall.Syscall and friends.

Browse Source 
From-SVN: r185746
This commit is contained in:
Ian Lance Taylor 2012-03-23 18:41:07 +00:00
parent df32732b02
commit 03934a5632
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
libgo/go/syscall/syscall_unix.go
View File

@ -31,6 +31,7 @@ const darwinAMD64 = runtime.GOOS == "darwin" && runtime.GOARCH == "amd64"
// expects a 32-bit one.
func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno) {
Entersyscall()
SetErrno(0)
var r uintptr
if unsafe.Sizeof(r) == 4 {
r1 := c_syscall32(int32(trap), int32(a1), int32(a2), int32(a3), 0, 0, 0)
@ -46,6 +47,7 @@ func Syscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno) {
func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno) {
Entersyscall()
SetErrno(0)
var r uintptr
if unsafe.Sizeof(r) == 4 {
r1 := c_syscall32(int32(trap), int32(a1), int32(a2), int32(a3),
@ -63,6 +65,7 @@ func Syscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno)
func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno) {
var r uintptr
SetErrno(0)
if unsafe.Sizeof(r) == 4 {
r1 := c_syscall32(int32(trap), int32(a1), int32(a2), int32(a3), 0, 0, 0)
r = uintptr(r1)
@ -76,6 +79,7 @@ func RawSyscall(trap, a1, a2, a3 uintptr) (r1, r2 uintptr, err Errno) {
func RawSyscall6(trap, a1, a2, a3, a4, a5, a6 uintptr) (r1, r2 uintptr, err Errno) {
var r uintptr
SetErrno(0)
if unsafe.Sizeof(r) == 4 {
r1 := c_syscall32(int32(trap), int32(a1), int32(a2), int32(a3),
int32(a4), int32(a5), int32(a6))