golang/macos-02.patch

69 lines
2.1 KiB
Diff

diff --git a/src/syscall/syscall_darwin_386.go b/src/syscall/syscall_darwin_386.go
index 2074e7a..286ca98 100644
--- a/src/syscall/syscall_darwin_386.go
+++ b/src/syscall/syscall_darwin_386.go
@@ -26,14 +26,22 @@ func NsecToTimeval(nsec int64) (tv Timeval) {
}
//sysnb gettimeofday(tp *Timeval) (sec int32, usec int32, err error)
-func Gettimeofday(tv *Timeval) (err error) {
- // The tv passed to gettimeofday must be non-nil
- // but is otherwise unused. The answers come back
- // in the two registers.
+func Gettimeofday(tv *Timeval) error {
+ // The tv passed to gettimeofday must be non-nil.
+ // Before macOS Sierra (10.12), tv was otherwise unused and
+ // the answers came back in the two registers.
+ // As of Sierra, gettimeofday return zeros and populates
+ // tv itself.
sec, usec, err := gettimeofday(tv)
- tv.Sec = int32(sec)
- tv.Usec = int32(usec)
- return err
+ if err != nil {
+ return err
+ }
+ if sec != 0 || usec != 0 {
+ tv.Sec = int32(sec)
+ tv.Usec = int32(usec)
+ }
+ return nil
+
}
func SetKevent(k *Kevent_t, fd, mode, flags int) {
diff --git a/src/syscall/syscall_darwin_amd64.go b/src/syscall/syscall_darwin_amd64.go
index 70b53b8..e2565ba 100644
--- a/src/syscall/syscall_darwin_amd64.go
+++ b/src/syscall/syscall_darwin_amd64.go
@@ -26,14 +26,22 @@ func NsecToTimeval(nsec int64) (tv Timeval) {
}
//sysnb gettimeofday(tp *Timeval) (sec int64, usec int32, err error)
-func Gettimeofday(tv *Timeval) (err error) {
- // The tv passed to gettimeofday must be non-nil
- // but is otherwise unused. The answers come back
- // in the two registers.
+func Gettimeofday(tv *Timeval) error {
+ // The tv passed to gettimeofday must be non-nil.
+ // Before macOS Sierra (10.12), tv was otherwise unused and
+ // the answers came back in the two registers.
+ // As of Sierra, gettimeofday return zeros and populates
+ // tv itself.
sec, usec, err := gettimeofday(tv)
- tv.Sec = sec
- tv.Usec = usec
- return err
+ if err != nil {
+ return err
+ }
+ if sec != 0 || usec != 0 {
+ tv.Sec = sec
+ tv.Usec = usec
+ }
+ return nil
+
}
func SetKevent(k *Kevent_t, fd, mode, flags int) {