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jni: Add more comment

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This commit is contained in:
Hajime Hoshi 2017-09-24 03:03:37 +09:00
parent ed09dddf09
commit 2884e92041
1 changed files with 4 additions and 1 deletions
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5
internal/jni/jni_android.go
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@ -11,7 +11,7 @@ package jni
#include <stdlib.h> #include <stdlib.h>
// These definitions are duplicated with those in ctx_android.go of golang.org/x/mobile/internal/mobileinit package. // These definitions are duplicated with those in ctx_android.go of golang.org/x/mobile/internal/mobileinit package.
// To be exact, this might cause undefined behavior, but some compilers including GCC work as a common extension. // To be exact, this might cause undefined behavior, but some compilers including GCC and Clang work as a common extension.
// (J.5.11 Multiple external definitions) // (J.5.11 Multiple external definitions)
JavaVM* current_vm; JavaVM* current_vm;
jobject current_ctx; jobject current_ctx;
@ -72,6 +72,9 @@ import (
"unsafe" "unsafe"
) )
// RunOnJVM executes fn on the current VM context.
//
// RunOnJVM should not be called on init function since the current VM might not be initialized yet.
func RunOnJVM(fn func(vm, env, ctx uintptr) error) error { func RunOnJVM(fn func(vm, env, ctx uintptr) error) error {
errch := make(chan error) errch := make(chan error)
go func() { go func() {