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a0aadf5666
the directories at the top level but that proved troublesome. The kernel buildsystem and autoconf were conflicting too much. To resolve the issue I moved the kernel bits in to a modules directory which can then only use the kernel build system. We just pass along the likely make targets to the kernel build system. git-svn-id: https://outreach.scidac.gov/svn/spl/trunk@11 7e1ea52c-4ff2-0310-8f11-9dd32ca42a1c
116 lines
2.7 KiB
C
116 lines
2.7 KiB
C
#include <splat-ctl.h>
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#define KZT_SUBSYSTEM_THREAD 0x0600
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#define KZT_THREAD_NAME "thread"
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#define KZT_THREAD_DESC "Kernel Thread Tests"
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#define KZT_THREAD_TEST1_ID 0x0601
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#define KZT_THREAD_TEST1_NAME "create"
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#define KZT_THREAD_TEST1_DESC "Validate thread creation and destruction"
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#define KZT_THREAD_TEST_MAGIC 0x4488CC00UL
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typedef struct thread_priv {
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unsigned long tp_magic;
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struct file *tp_file;
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spinlock_t tp_lock;
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wait_queue_head_t tp_waitq;
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int tp_rc;
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} thread_priv_t;
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static void
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kzt_thread_work(void *priv)
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{
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thread_priv_t *tp = (thread_priv_t *)priv;
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spin_lock(&tp->tp_lock);
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ASSERT(tp->tp_magic == KZT_THREAD_TEST_MAGIC);
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tp->tp_rc = 1;
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spin_unlock(&tp->tp_lock);
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wake_up(&tp->tp_waitq);
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thread_exit();
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}
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static int
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kzt_thread_test1(struct file *file, void *arg)
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{
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thread_priv_t tp;
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DEFINE_WAIT(wait);
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kthread_t *thr;
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int rc = 0;
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tp.tp_magic = KZT_THREAD_TEST_MAGIC;
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tp.tp_file = file;
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spin_lock_init(&tp.tp_lock);
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init_waitqueue_head(&tp.tp_waitq);
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tp.tp_rc = 0;
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spin_lock(&tp.tp_lock);
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thr = (kthread_t *)thread_create(NULL, 0, kzt_thread_work, &tp, 0,
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(proc_t *) &p0, TS_RUN, minclsyspri);
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/* Must never fail under Solaris, but we check anyway so we can
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* report an error when this impossible thing happens */
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if (thr == NULL) {
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rc = -ESRCH;
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goto out;
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}
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for (;;) {
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prepare_to_wait(&tp.tp_waitq, &wait, TASK_UNINTERRUPTIBLE);
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if (tp.tp_rc)
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break;
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spin_unlock(&tp.tp_lock);
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schedule();
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spin_lock(&tp.tp_lock);
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}
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kzt_vprint(file, KZT_THREAD_TEST1_NAME, "%s",
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"Thread successfully started and exited cleanly\n");
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out:
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spin_unlock(&tp.tp_lock);
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return rc;
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}
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kzt_subsystem_t *
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kzt_thread_init(void)
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{
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kzt_subsystem_t *sub;
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sub = kmalloc(sizeof(*sub), GFP_KERNEL);
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if (sub == NULL)
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return NULL;
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memset(sub, 0, sizeof(*sub));
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strncpy(sub->desc.name, KZT_THREAD_NAME, KZT_NAME_SIZE);
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strncpy(sub->desc.desc, KZT_THREAD_DESC, KZT_DESC_SIZE);
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INIT_LIST_HEAD(&sub->subsystem_list);
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INIT_LIST_HEAD(&sub->test_list);
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spin_lock_init(&sub->test_lock);
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sub->desc.id = KZT_SUBSYSTEM_THREAD;
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KZT_TEST_INIT(sub, KZT_THREAD_TEST1_NAME, KZT_THREAD_TEST1_DESC,
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KZT_THREAD_TEST1_ID, kzt_thread_test1);
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return sub;
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}
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void
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kzt_thread_fini(kzt_subsystem_t *sub)
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{
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ASSERT(sub);
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KZT_TEST_FINI(sub, KZT_THREAD_TEST1_ID);
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kfree(sub);
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}
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int
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kzt_thread_id(void) {
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return KZT_SUBSYSTEM_THREAD;
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}
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