am 53e9bfae: Merge "Fix error checking in MemoryFile."

* commit '53e9bfaee1064f1858c307409e51aa4566ae4b95':
  Fix error checking in MemoryFile.
This commit is contained in:
Narayan Kamath
2014-01-17 09:36:23 -08:00
committed by Android Git Automerger

View File

@@ -47,15 +47,16 @@ static jlong android_os_MemoryFile_mmap(JNIEnv* env, jobject clazz, jobject file
jint length, jint prot)
{
int fd = jniGetFDFromFileDescriptor(env, fileDescriptor);
jlong result = (jlong)mmap(NULL, length, prot, MAP_SHARED, fd, 0);
if (!result)
void* result = mmap(NULL, length, prot, MAP_SHARED, fd, 0);
if (result == MAP_FAILED) {
jniThrowException(env, "java/io/IOException", "mmap failed");
return result;
}
return reinterpret_cast<jlong>(result);
}
static void android_os_MemoryFile_munmap(JNIEnv* env, jobject clazz, jlong addr, jint length)
{
int result = munmap((void *)addr, length);
int result = munmap(reinterpret_cast<void *>(addr), length);
if (result < 0)
jniThrowException(env, "java/io/IOException", "munmap failed");
}