/*
* Create a FileDescriptor object corresponding to the given int fd
*/
jobject fd_create(JNIEnv *env, int fd) {
jobject obj = (*env)->NewObject(env, fd_class, fd_constructor);
PASS_EXCEPTIONS_RET(env, NULL);
(*env)->SetIntField(env, obj, fd_descriptor, fd);
return obj;
}
/*
* Create a FileDescriptor object corresponding to the given int fd
*/
jobject fd_create(JNIEnv *env, long fd) {
jobject obj = (*env)->NewObject(env, fd_class, fd_constructor);
PASS_EXCEPTIONS_RET(env, (jobject) NULL);
(*env)->SetLongField(env, obj, fd_handle, fd);
return obj;
}
/**
* Returns non-zero if the user has specified that the system
* has non-threadsafe implementations of getpwuid_r or getgrgid_r.
**/
static int workaround_non_threadsafe_calls(JNIEnv *env, jclass clazz) {
jfieldID needs_workaround_field = (*env)->GetStaticFieldID(env, clazz,
"workaroundNonThreadSafePasswdCalls", "Z");
PASS_EXCEPTIONS_RET(env, 0);
assert(needs_workaround_field);
jboolean result = (*env)->GetStaticBooleanField(
env, clazz, needs_workaround_field);
return result;
}
jobject errno_to_enum(JNIEnv *env, int errnum) {
char *str = errno_to_string(errnum);
assert(str != NULL);
jstring jstr = (*env)->NewStringUTF(env, str);
PASS_EXCEPTIONS_RET(env, NULL);
return (*env)->CallStaticObjectMethod(
env, enum_class, enum_valueOf, errno_class, jstr);
}
