JNIEXPORT void JNICALL Java_jtux_UClock_nanosleep(JNIEnv *env, jclass obj,
jobject nsecs, jobject remain)
{
jclass cls_timespec = (*env)->FindClass(env, "jtux/UProcess$s_timespec");
struct timespec nsecs_c, remain_buf, *remain_c = &remain_buf;
int r;
long sec;
if (remain == NULL)
remain_c = NULL;
if (!field_jtoc_long(env, cls_timespec, "tv_sec", nsecs, &sec))
return;
nsecs_c.tv_sec = (time_t)sec;
if (!field_jtoc_long(env, cls_timespec, "tv_nsec", nsecs, &nsecs_c.tv_nsec))
return;
r = nanosleep(&nsecs_c, remain_c);
if (r != 0 && remain_c != NULL) {
if (!field_ctoj_long(env, cls_timespec, "tv_sec", remain, remain_c->tv_sec))
return;
if (!field_ctoj_long(env, cls_timespec, "tv_nsec", remain, remain_c->tv_nsec))
return;
}
if (r == -1)
JTHROW_neg1(-1);
}
JNIEXPORT void JNICALL Java_jtux_USysVIPC_semop(JNIEnv *env, jclass obj,
jint semid, jobjectArray sops, jint nsops)
{
struct sembuf *sops_c;
int i;
jclass cls = (*env)->FindClass(env, "jtux/USysVIPC$s_sembuf");
JTHROW_null(sops_c = malloc(nsops * sizeof(struct sembuf)))
if (sops_c == NULL)
return;
for (i = 0; i < nsops; i++) {
jobject sb_obj = (*env)->GetObjectArrayElement(env, sops, i);
if (sb_obj == NULL) {
free(sops_c);
return;
}
if (!field_jtoc_short(env, cls, "sem_num", sb_obj, &sops_c[i].sem_num))
return;
if (!field_jtoc_short(env, cls, "sem_op", sb_obj, &sops_c[i].sem_op))
return;
if (!field_jtoc_short(env, cls, "sem_flg", sb_obj, &sops_c[i].sem_flg))
return;
}
JTHROW_neg1(semop(semid, sops_c, nsops))
free(sops_c);
}
JNIEXPORT void JNICALL Java_jtux_UProcess_00024sigset_1t_sigfillset(JNIEnv *env, jclass obj)
{
sigset_t set;
if (!get_sigset(env, obj, &set))
return;
JTHROW_neg1(sigfillset(&set))
(void)set_sigset(env, obj, &set);
}
JNIEXPORT void JNICALL Java_jtux_USysVIPC_msgsnd(JNIEnv *env, jclass obj,
jint msqid, jbyteArray msgp, jint msgsize, jint flags)
{
void *msgp_c;
if ((msgp_c = (*env)->GetByteArrayElements(env, msgp, NULL)) == NULL)
return;
JTHROW_neg1(msgsnd(msqid, msgp_c, msgsize, flags))
(*env)->ReleaseByteArrayElements(env, msgp, msgp_c, 0);
}
JNIEXPORT jlong JNICALL Java_jtux_USysVIPC_ftok(JNIEnv *env, jclass obj,
jstring path, jint id)
{
JSTR_GET_DECL(path_c, path)
key_t k;
JSTR_NULLTEST_V(path_c, -1)
JTHROW_neg1(k = ftok(path_c, id))
JSTR_REL(path_c, path)
return k;
}
JNIEXPORT void JNICALL Java_jtux_USysVIPC_shmctl(JNIEnv *env, jclass obj,
jint shmid, jint cmd, jobject data)
{
struct shmid_ds data_c;
jclass cls = (*env)->FindClass(env, "jtux/USysVIPC$s_shmid_ds");
int r;
if (cmd == IPC_RMID) {
JTHROW_neg1(r = shmctl(shmid, cmd, 0));
return;
}
else{
memset(&data_c, 0, sizeof(data_c));
if (cmd == IPC_SET) {
if (!field_jtoc_perm(env, cls, "shm_perm", data, &data_c.shm_perm))
return;
}
JTHROW_neg1(r = shmctl(shmid, cmd, &data_c));
if (r == -1)
return;
if (cmd == IPC_STAT) {
if (!field_ctoj_perm(env, cls, "shm_perm", data, &data_c.shm_perm))
return;
if (!field_ctoj_int(env, cls, "shm_segsz", data, data_c.shm_segsz))
return;
if (!field_ctoj_long(env, cls, "shm_lpid", data, data_c.shm_lpid))
return;
if (!field_ctoj_long(env, cls, "shm_cpid", data, data_c.shm_cpid))
return;
if (!field_ctoj_int(env, cls, "shm_nattch", data, data_c.shm_nattch))
return;
if (!field_ctoj_long(env, cls, "shm_atime", data, data_c.shm_atime))
return;
if (!field_ctoj_long(env, cls, "shm_dtime", data, data_c.shm_dtime))
return;
if (!field_ctoj_long(env, cls, "shm_ctime", data, data_c.shm_ctime))
return;
}
}
}
JNIEXPORT jint JNICALL Java_jtux_USysVIPC_msgrcv(JNIEnv *env, jclass obj,
jint msqid, jbyteArray msgp, jint mtextsize, jlong msgtype, jint flags)
{
void *msgp_c;
ssize_t nrcv;
if ((msgp_c = (*env)->GetByteArrayElements(env, msgp, NULL)) == NULL)
return -1;
JTHROW_neg1(nrcv = msgrcv(msqid, msgp_c, mtextsize, msgtype, flags))
(*env)->ReleaseByteArrayElements(env, msgp, msgp_c, 0);
return nrcv;
}
if (remain == NULL)
remain_c = NULL;
if (!field_jtoc_long(env, cls_timespec, "tv_sec", nsecs, &sec))
return;
nsecs_c.tv_sec = (time_t)sec;
if (!field_jtoc_long(env, cls_timespec, "tv_nsec", nsecs, &nsecs_c.tv_nsec))
return;
r = nanosleep(&nsecs_c, remain_c);
if (r != 0 && remain_c != NULL) {
if (!field_ctoj_long(env, cls_timespec, "tv_sec", remain, remain_c->tv_sec))
return;
if (!field_ctoj_long(env, cls_timespec, "tv_nsec", remain, remain_c->tv_nsec))
return;
}
if (r == -1)
JTHROW_neg1(-1);
}
JNIEXPORT jint JNICALL Java_jtux_UClock_sleep(JNIEnv *env, jclass obj,
jint secs)
{
return sleep(secs);
}
JNIEXPORT void JNICALL Java_jtux_UClock_usleep(JNIEnv *env, jclass obj,
jint usecs)
{
JTHROW_neg1(usleep(usecs))
}
JTHROW_neg1(r = sigismember(&set, signum))
return r != 0;
}
#endif// all obsolete -- get rid of this stuff
JNIEXPORT void JNICALL Java_jtux_UProcess_abort(JNIEnv *env, jclass obj)
{
abort();
}
JNIEXPORT void JNICALL Java_jtux_UProcess_chdir(JNIEnv *env, jclass obj, jstring s)
{
JSTR_GET_DECL(s_c, s)
JSTR_NULLTEST(s_c)
JTHROW_neg1(chdir(s_c))
JSTR_REL(s_c, s)
}
JNIEXPORT void JNICALL Java_jtux_UProcess_chroot(JNIEnv *env, jclass obj, jstring s)
{
JSTR_GET_DECL(s_c, s)
JSTR_NULLTEST(s_c)
JTHROW_neg1(chroot(s_c))
JSTR_REL(s_c, s)
}
JNIEXPORT jlong JNICALL Java_jtux_UProcess_clock(JNIEnv *env, jclass obj)
{
clock_t c;
return;
if (!field_ctoj_long(env, cls, "shm_lpid", data, data_c.shm_lpid))
return;
if (!field_ctoj_long(env, cls, "shm_cpid", data, data_c.shm_cpid))
return;
if (!field_ctoj_int(env, cls, "shm_nattch", data, data_c.shm_nattch))
return;
if (!field_ctoj_long(env, cls, "shm_atime", data, data_c.shm_atime))
return;
if (!field_ctoj_long(env, cls, "shm_dtime", data, data_c.shm_dtime))
return;
if (!field_ctoj_long(env, cls, "shm_ctime", data, data_c.shm_ctime))
return;
}
}
JNIEXPORT void JNICALL Java_jtux_USysVIPC_shmdt(JNIEnv *env, jclass obj,
jlong shmaddr)
{
JTHROW_neg1(shmdt((void *)(intptr_t)shmaddr))
}
JNIEXPORT jint JNICALL Java_jtux_USysVIPC_shmget(JNIEnv *env, jclass obj,
jlong key, jint size, jint flags)
{
int shmid;
JTHROW_neg1(shmid = shmget(key, size, flags))
return shmid;
}