Merge commit 'refs/top-bases/linux-debug-zerocopy' into linux-debug-zerocopy
This commit is contained in:
Brian Behlendorf
commit
4ba38f1259
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@ -140,7 +140,7 @@ typedef struct ztest_args {
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spa_t *za_spa;
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objset_t *za_os;
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zilog_t *za_zilog;
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pthread_t za_thread;
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kthread_t *za_thread;
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uint64_t za_instance;
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uint64_t za_random;
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uint64_t za_diroff;
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@ -231,7 +231,7 @@ ztest_info_t ztest_info[] = {
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* The callbacks are ordered by txg number.
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*/
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typedef struct ztest_cb_list {
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pthread_mutex_t zcl_callbacks_lock;
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kmutex_t zcl_callbacks_lock;
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list_t zcl_callbacks;
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} ztest_cb_list_t;
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@ -239,8 +239,8 @@ typedef struct ztest_cb_list {
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* Stuff we need to share writably between parent and child.
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*/
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typedef struct ztest_shared {
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pthread_mutex_t zs_vdev_lock;
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pthread_rwlock_t zs_name_lock;
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kmutex_t zs_vdev_lock;
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krwlock_t zs_name_lock;
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uint64_t zs_vdev_primaries;
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uint64_t zs_vdev_aux;
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uint64_t zs_enospc_count;
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@ -249,7 +249,7 @@ typedef struct ztest_shared {
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uint64_t zs_alloc;
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uint64_t zs_space;
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ztest_info_t zs_info[ZTEST_FUNCS];
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pthread_mutex_t zs_sync_lock[ZTEST_SYNC_LOCKS];
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kmutex_t zs_sync_lock[ZTEST_SYNC_LOCKS];
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uint64_t zs_seq[ZTEST_SYNC_LOCKS];
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ztest_cb_list_t zs_cb_list;
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} ztest_shared_t;
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@ -825,7 +825,7 @@ ztest_spa_create_destroy(ztest_args_t *za)
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* Attempt to create an existing pool. It shouldn't matter
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* what's in the nvroot; we should fail with EEXIST.
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*/
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(void) pthread_rwlock_rdlock(&ztest_shared->zs_name_lock);
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rw_enter(&ztest_shared->zs_name_lock, RW_READER);
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nvroot = make_vdev_root("/dev/bogus", NULL, 0, 0, 0, 0, 0, 1);
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error = spa_create(za->za_pool, nvroot, NULL, NULL, NULL);
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nvlist_free(nvroot);
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@ -841,7 +841,7 @@ ztest_spa_create_destroy(ztest_args_t *za)
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fatal(0, "spa_destroy() = %d", error);
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spa_close(spa, FTAG);
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(void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
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rw_exit(&ztest_shared->zs_name_lock);
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}
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static vdev_t *
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@ -872,7 +872,7 @@ ztest_vdev_add_remove(ztest_args_t *za)
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nvlist_t *nvroot;
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int error;
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(void) pthread_mutex_lock(&ztest_shared->zs_vdev_lock);
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mutex_enter(&ztest_shared->zs_vdev_lock);
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spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER);
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@ -890,7 +890,7 @@ ztest_vdev_add_remove(ztest_args_t *za)
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error = spa_vdev_add(spa, nvroot);
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nvlist_free(nvroot);
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(void) pthread_mutex_unlock(&ztest_shared->zs_vdev_lock);
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mutex_exit(&ztest_shared->zs_vdev_lock);
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if (error == ENOSPC)
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ztest_record_enospc("spa_vdev_add");
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@ -919,7 +919,7 @@ ztest_vdev_aux_add_remove(ztest_args_t *za)
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aux = ZPOOL_CONFIG_L2CACHE;
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}
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(void) pthread_mutex_lock(&ztest_shared->zs_vdev_lock);
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mutex_enter(&ztest_shared->zs_vdev_lock);
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spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER);
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@ -975,7 +975,7 @@ ztest_vdev_aux_add_remove(ztest_args_t *za)
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fatal(0, "spa_vdev_remove(%llu) = %d", guid, error);
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}
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(void) pthread_mutex_unlock(&ztest_shared->zs_vdev_lock);
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mutex_exit(&ztest_shared->zs_vdev_lock);
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}
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/*
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@ -1001,7 +1001,7 @@ ztest_vdev_attach_detach(ztest_args_t *za)
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int oldvd_is_log;
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int error, expected_error;
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(void) pthread_mutex_lock(&ztest_shared->zs_vdev_lock);
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mutex_enter(&ztest_shared->zs_vdev_lock);
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spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER);
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@ -1061,7 +1061,7 @@ ztest_vdev_attach_detach(ztest_args_t *za)
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if (error != 0 && error != ENODEV && error != EBUSY &&
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error != ENOTSUP)
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fatal(0, "detach (%s) returned %d", oldpath, error);
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(void) pthread_mutex_unlock(&ztest_shared->zs_vdev_lock);
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mutex_exit(&ztest_shared->zs_vdev_lock);
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return;
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}
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@ -1154,7 +1154,7 @@ ztest_vdev_attach_detach(ztest_args_t *za)
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(longlong_t)newsize, replacing, error, expected_error);
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}
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(void) pthread_mutex_unlock(&ztest_shared->zs_vdev_lock);
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mutex_exit(&ztest_shared->zs_vdev_lock);
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}
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/*
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@ -1259,7 +1259,7 @@ ztest_vdev_LUN_growth(ztest_args_t *za)
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size_t psize, newsize;
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uint64_t spa_newsize, spa_cursize, ms_count;
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(void) pthread_mutex_lock(&ztest_shared->zs_vdev_lock);
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mutex_enter(&ztest_shared->zs_vdev_lock);
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mutex_enter(&spa_namespace_lock);
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spa_config_enter(spa, SCL_STATE, spa, RW_READER);
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@ -1287,7 +1287,7 @@ ztest_vdev_LUN_growth(ztest_args_t *za)
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if (psize == 0 || psize >= 4 * zopt_vdev_size) {
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spa_config_exit(spa, SCL_STATE, spa);
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mutex_exit(&spa_namespace_lock);
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(void) pthread_mutex_unlock(&ztest_shared->zs_vdev_lock);
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mutex_exit(&ztest_shared->zs_vdev_lock);
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return;
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}
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ASSERT(psize > 0);
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@ -1316,7 +1316,7 @@ ztest_vdev_LUN_growth(ztest_args_t *za)
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}
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(void) spa_config_exit(spa, SCL_STATE, spa);
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mutex_exit(&spa_namespace_lock);
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(void) pthread_mutex_unlock(&ztest_shared->zs_vdev_lock);
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mutex_exit(&ztest_shared->zs_vdev_lock);
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return;
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}
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@ -1356,7 +1356,7 @@ ztest_vdev_LUN_growth(ztest_args_t *za)
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spa->spa_name, oldnumbuf, newnumbuf);
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}
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spa_config_exit(spa, SCL_STATE, spa);
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(void) pthread_mutex_unlock(&ztest_shared->zs_vdev_lock);
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mutex_exit(&ztest_shared->zs_vdev_lock);
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}
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/* ARGSUSED */
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@ -1455,7 +1455,7 @@ ztest_dmu_objset_create_destroy(ztest_args_t *za)
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uint64_t seq;
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uint64_t objects;
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(void) pthread_rwlock_rdlock(&ztest_shared->zs_name_lock);
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rw_enter(&ztest_shared->zs_name_lock, RW_READER);
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(void) snprintf(name, 100, "%s/%s_temp_%llu", za->za_pool, za->za_pool,
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(u_longlong_t)za->za_instance);
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@ -1498,7 +1498,7 @@ ztest_dmu_objset_create_destroy(ztest_args_t *za)
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if (error) {
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if (error == ENOSPC) {
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ztest_record_enospc("dmu_objset_create");
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(void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
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rw_exit(&ztest_shared->zs_name_lock);
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return;
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}
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fatal(0, "dmu_objset_create(%s) = %d", name, error);
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@ -1580,7 +1580,7 @@ ztest_dmu_objset_create_destroy(ztest_args_t *za)
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if (error)
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fatal(0, "dmu_objset_destroy(%s) = %d", name, error);
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(void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
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rw_exit(&ztest_shared->zs_name_lock);
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}
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/*
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@ -1594,7 +1594,7 @@ ztest_dmu_snapshot_create_destroy(ztest_args_t *za)
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char snapname[100];
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char osname[MAXNAMELEN];
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(void) pthread_rwlock_rdlock(&ztest_shared->zs_name_lock);
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rw_enter(&ztest_shared->zs_name_lock, RW_READER);
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dmu_objset_name(os, osname);
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(void) snprintf(snapname, 100, "%s@%llu", osname,
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(u_longlong_t)za->za_instance);
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@ -1608,7 +1608,7 @@ ztest_dmu_snapshot_create_destroy(ztest_args_t *za)
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ztest_record_enospc("dmu_take_snapshot");
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else if (error != 0 && error != EEXIST)
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fatal(0, "dmu_take_snapshot() = %d", error);
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(void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
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rw_exit(&ztest_shared->zs_name_lock);
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}
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/*
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@ -1670,7 +1670,7 @@ ztest_dsl_dataset_promote_busy(ztest_args_t *za)
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char osname[MAXNAMELEN];
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uint64_t curval = za->za_instance;
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(void) pthread_rwlock_rdlock(&ztest_shared->zs_name_lock);
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rw_enter(&ztest_shared->zs_name_lock, RW_READER);
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dmu_objset_name(os, osname);
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ztest_dsl_dataset_cleanup(osname, curval);
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@ -1760,7 +1760,7 @@ ztest_dsl_dataset_promote_busy(ztest_args_t *za)
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out:
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ztest_dsl_dataset_cleanup(osname, curval);
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(void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
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rw_exit(&ztest_shared->zs_name_lock);
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}
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/*
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@ -2568,7 +2568,7 @@ ztest_dmu_write_parallel(ztest_args_t *za)
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int bs = ZTEST_DIROBJ_BLOCKSIZE;
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int do_free = 0;
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uint64_t off, txg, txg_how;
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pthread_mutex_t *lp;
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kmutex_t *lp;
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char osname[MAXNAMELEN];
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char iobuf[SPA_MAXBLOCKSIZE];
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blkptr_t blk;
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@ -2631,7 +2631,7 @@ ztest_dmu_write_parallel(ztest_args_t *za)
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txg = dmu_tx_get_txg(tx);
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lp = &ztest_shared->zs_sync_lock[b];
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(void) pthread_mutex_lock(lp);
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mutex_enter(lp);
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wbt->bt_objset = dmu_objset_id(os);
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wbt->bt_object = ZTEST_DIROBJ;
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@ -2688,7 +2688,7 @@ ztest_dmu_write_parallel(ztest_args_t *za)
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dmu_buf_rele(bonus_db, FTAG);
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}
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(void) pthread_mutex_unlock(lp);
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mutex_exit(lp);
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if (ztest_random(1000) == 0)
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(void) poll(NULL, 0, 1); /* open dn_notxholds window */
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@ -2707,13 +2707,13 @@ ztest_dmu_write_parallel(ztest_args_t *za)
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/*
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* dmu_sync() the block we just wrote.
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*/
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(void) pthread_mutex_lock(lp);
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mutex_enter(lp);
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blkoff = P2ALIGN_TYPED(off, bs, uint64_t);
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error = dmu_buf_hold(os, ZTEST_DIROBJ, blkoff, FTAG, &db);
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za->za_dbuf = db;
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if (error) {
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(void) pthread_mutex_unlock(lp);
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mutex_exit(lp);
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return;
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}
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blkoff = off - blkoff;
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@ -2722,18 +2722,18 @@ ztest_dmu_write_parallel(ztest_args_t *za)
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za->za_dbuf = NULL;
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if (error) {
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(void) pthread_mutex_unlock(lp);
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mutex_exit(lp);
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return;
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}
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if (blk.blk_birth == 0) { /* concurrent free */
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(void) pthread_mutex_unlock(lp);
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mutex_exit(lp);
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return;
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}
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txg_suspend(dmu_objset_pool(os));
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(void) pthread_mutex_unlock(lp);
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mutex_exit(lp);
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ASSERT(blk.blk_fill == 1);
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ASSERT3U(BP_GET_TYPE(&blk), ==, DMU_OT_UINT64_OTHER);
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@ -3144,9 +3144,9 @@ ztest_commit_callback(void *arg, int error)
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ASSERT3U(data->zcd_txg, !=, 0);
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/* Remove our callback from the list */
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(void) pthread_mutex_lock(&zcl->zcl_callbacks_lock);
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mutex_enter(&zcl->zcl_callbacks_lock);
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list_remove(&zcl->zcl_callbacks, data);
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(void) pthread_mutex_unlock(&zcl->zcl_callbacks_lock);
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mutex_exit(&zcl->zcl_callbacks_lock);
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out:
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umem_free(data, sizeof (ztest_cb_data_t));
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@ -3234,8 +3234,8 @@ ztest_dmu_commit_callbacks(ztest_args_t *za)
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/*
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* Read existing data to make sure there isn't a future leak.
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*/
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VERIFY(0 == dmu_read(os, ZTEST_DIROBJ, za->za_diroff, sizeof (uint64_t),
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&old_txg));
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VERIFY(0 == dmu_read(os, ZTEST_DIROBJ, za->za_diroff,
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sizeof (uint64_t), &old_txg, DMU_READ_PREFETCH));
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if (old_txg > txg)
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fatal(0, "future leak: got %llx, open txg is %llx", old_txg,
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@ -3243,7 +3243,7 @@ ztest_dmu_commit_callbacks(ztest_args_t *za)
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dmu_write(os, ZTEST_DIROBJ, za->za_diroff, sizeof (uint64_t), &txg, tx);
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(void) pthread_mutex_lock(&zcl->zcl_callbacks_lock);
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mutex_enter(&zcl->zcl_callbacks_lock);
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/*
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* Since commit callbacks don't have any ordering requirement and since
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@ -3288,7 +3288,7 @@ ztest_dmu_commit_callbacks(ztest_args_t *za)
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tmp_cb = cb_data[i];
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}
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(void) pthread_mutex_unlock(&zcl->zcl_callbacks_lock);
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mutex_exit(&zcl->zcl_callbacks_lock);
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dmu_tx_commit(tx);
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}
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@ -3304,7 +3304,7 @@ ztest_dsl_prop_get_set(ztest_args_t *za)
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char osname[MAXNAMELEN];
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int error;
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(void) pthread_rwlock_rdlock(&ztest_shared->zs_name_lock);
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rw_enter(&ztest_shared->zs_name_lock, RW_READER);
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dmu_objset_name(os, osname);
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@ -3343,7 +3343,7 @@ ztest_dsl_prop_get_set(ztest_args_t *za)
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}
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}
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(void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
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rw_exit(&ztest_shared->zs_name_lock);
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}
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/*
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@ -3507,7 +3507,7 @@ ztest_spa_rename(ztest_args_t *za)
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int error;
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spa_t *spa;
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(void) pthread_rwlock_wrlock(&ztest_shared->zs_name_lock);
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rw_enter(&ztest_shared->zs_name_lock, RW_WRITER);
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oldname = za->za_pool;
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newname = umem_alloc(strlen(oldname) + 5, UMEM_NOFAIL);
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@ -3559,7 +3559,7 @@ ztest_spa_rename(ztest_args_t *za)
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umem_free(newname, strlen(newname) + 1);
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(void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
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rw_exit(&ztest_shared->zs_name_lock);
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}
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@ -3898,19 +3898,19 @@ ztest_run(char *pool)
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ztest_args_t *za;
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spa_t *spa;
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char name[100];
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pthread_t resume_tid;
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kthread_t *resume_thread;
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ztest_exiting = B_FALSE;
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(void) pthread_mutex_init(&zs->zs_vdev_lock, NULL);
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(void) pthread_rwlock_init(&zs->zs_name_lock, NULL);
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(void) pthread_mutex_init(&zs->zs_cb_list.zcl_callbacks_lock, NULL);
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mutex_init(&zs->zs_vdev_lock, NULL, MUTEX_DEFAULT, NULL);
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rw_init(&zs->zs_name_lock, NULL, RW_DEFAULT, NULL);
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mutex_init(&zs->zs_cb_list.zcl_callbacks_lock,NULL,MUTEX_DEFAULT,NULL);
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list_create(&zs->zs_cb_list.zcl_callbacks, sizeof (ztest_cb_data_t),
|
||||
offsetof(ztest_cb_data_t, zcd_node));
|
||||
|
||||
for (t = 0; t < ZTEST_SYNC_LOCKS; t++)
|
||||
(void) pthread_mutex_init(&zs->zs_sync_lock[t], NULL);
|
||||
mutex_init(&zs->zs_sync_lock[t], NULL, MUTEX_DEFAULT, NULL);
|
||||
|
||||
/*
|
||||
* Destroy one disk before we even start.
|
||||
|
|
@ -3977,7 +3977,8 @@ ztest_run(char *pool)
|
|||
/*
|
||||
* Create a thread to periodically resume suspended I/O.
|
||||
*/
|
||||
VERIFY(pthread_create(&resume_tid, NULL, ztest_resume_thread, spa)==0);
|
||||
resume_thread = thread_create(NULL, 0, ztest_resume_thread, spa,
|
||||
THR_BOUND, NULL, 0, 0);
|
||||
|
||||
/*
|
||||
* Verify that we can safely inquire about about any object,
|
||||
|
|
@ -4026,7 +4027,7 @@ ztest_run(char *pool)
|
|||
|
||||
if (t < zopt_datasets) {
|
||||
int test_future = FALSE;
|
||||
(void) pthread_rwlock_rdlock(&ztest_shared->zs_name_lock);
|
||||
rw_enter(&ztest_shared->zs_name_lock, RW_READER);
|
||||
(void) snprintf(name, 100, "%s/%s_%d", pool, pool, d);
|
||||
error = dmu_objset_create(name, DMU_OST_OTHER, NULL, 0,
|
||||
ztest_create_cb, NULL);
|
||||
|
|
@ -4034,7 +4035,7 @@ ztest_run(char *pool)
|
|||
test_future = TRUE;
|
||||
} else if (error == ENOSPC) {
|
||||
zs->zs_enospc_count++;
|
||||
(void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
|
||||
rw_exit(&ztest_shared->zs_name_lock);
|
||||
break;
|
||||
} else if (error != 0) {
|
||||
fatal(0, "dmu_objset_create(%s) = %d",
|
||||
|
|
@ -4045,7 +4046,7 @@ ztest_run(char *pool)
|
|||
if (error)
|
||||
fatal(0, "dmu_objset_open('%s') = %d",
|
||||
name, error);
|
||||
(void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
|
||||
rw_exit(&ztest_shared->zs_name_lock);
|
||||
if (test_future)
|
||||
ztest_dmu_check_future_leak(&za[t]);
|
||||
zil_replay(za[d].za_os, za[d].za_os,
|
||||
|
|
@ -4053,12 +4054,12 @@ ztest_run(char *pool)
|
|||
za[d].za_zilog = zil_open(za[d].za_os, NULL);
|
||||
}
|
||||
|
||||
VERIFY(pthread_create(&za[t].za_thread, NULL, ztest_thread,
|
||||
&za[t]) == 0);
|
||||
za[t].za_thread = thread_create(NULL, 0, ztest_thread, &za[t],
|
||||
THR_BOUND, NULL, 0, 0);
|
||||
}
|
||||
|
||||
while (--t >= 0) {
|
||||
VERIFY(pthread_join(za[t].za_thread, NULL) == 0);
|
||||
VERIFY(thr_join(za[t].za_thread, NULL, NULL) == 0);
|
||||
if (t < zopt_datasets) {
|
||||
zil_close(za[t].za_zilog);
|
||||
dmu_objset_close(za[t].za_os);
|
||||
|
|
@ -4077,7 +4078,7 @@ ztest_run(char *pool)
|
|||
* If we had out-of-space errors, destroy a random objset.
|
||||
*/
|
||||
if (zs->zs_enospc_count != 0) {
|
||||
(void) pthread_rwlock_rdlock(&ztest_shared->zs_name_lock);
|
||||
rw_enter(&ztest_shared->zs_name_lock, RW_READER);
|
||||
d = (int)ztest_random(zopt_datasets);
|
||||
(void) snprintf(name, 100, "%s/%s_%d", pool, pool, d);
|
||||
if (zopt_verbose >= 3)
|
||||
|
|
@ -4088,7 +4089,7 @@ ztest_run(char *pool)
|
|||
|
||||
(void) dmu_objset_find(name, ztest_destroy_cb, &za[d],
|
||||
DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN);
|
||||
(void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
|
||||
rw_exit(&ztest_shared->zs_name_lock);
|
||||
}
|
||||
|
||||
txg_wait_synced(spa_get_dsl(spa), 0);
|
||||
|
|
@ -4097,7 +4098,7 @@ ztest_run(char *pool)
|
|||
|
||||
/* Kill the resume thread */
|
||||
ztest_exiting = B_TRUE;
|
||||
VERIFY(pthread_join(resume_tid, NULL) == 0);
|
||||
VERIFY(thr_join(resume_thread, NULL, NULL) == 0);
|
||||
ztest_resume(spa);
|
||||
|
||||
/*
|
||||
|
|
@ -4113,9 +4114,9 @@ ztest_run(char *pool)
|
|||
|
||||
list_destroy(&zs->zs_cb_list.zcl_callbacks);
|
||||
|
||||
(void) pthread_mutex_destroy(&zs->zs_cb_list.zcl_callbacks_lock);
|
||||
(void) pthread_rwlock_destroy(&zs->zs_name_lock);
|
||||
(void) pthread_mutex_destroy(&zs->zs_vdev_lock);
|
||||
mutex_destroy(&zs->zs_cb_list.zcl_callbacks_lock);
|
||||
rw_destroy(&zs->zs_name_lock);
|
||||
mutex_destroy(&zs->zs_vdev_lock);
|
||||
}
|
||||
|
||||
void
|
||||
|
|
|
|||
|
|
@ -198,18 +198,24 @@ _NOTE(CONSTCOND) } while (0)
|
|||
/*
|
||||
* Threads
|
||||
*/
|
||||
#define curthread ((void *)(uintptr_t)pthread_self())
|
||||
#define tsd_get(key) pthread_getspecific(key)
|
||||
#define tsd_set(key, val) pthread_setspecific(key, val)
|
||||
|
||||
typedef struct kthread kthread_t;
|
||||
typedef void (*thread_func_t)(void *);
|
||||
typedef struct kthread {
|
||||
list_node_t t_node;
|
||||
pthread_t t_id;
|
||||
pthread_attr_t t_attr;
|
||||
} kthread_t;
|
||||
|
||||
#define curthread zk_curthread()
|
||||
#define thread_create(stk, stksize, func, arg, len, pp, state, pri) \
|
||||
zk_thread_create((thread_func_t)func, arg)
|
||||
#define thread_exit() pthread_exit(NULL)
|
||||
#define thr_join(kt, v1, v2) pthread_join(kt->t_id, v2)
|
||||
|
||||
extern kthread_t *zk_curthread(void);
|
||||
extern kthread_t *zk_thread_create(thread_func_t func, void *arg);
|
||||
extern void thread_exit(void);
|
||||
|
||||
#define issig(why) (FALSE)
|
||||
#define ISSIG(thr, why) (FALSE)
|
||||
|
|
|
|||
|
|
@ -55,20 +55,66 @@ struct utsname utsname = {
|
|||
* threads
|
||||
* =========================================================================
|
||||
*/
|
||||
/*ARGSUSED*/
|
||||
|
||||
kmutex_t kthread_lock;
|
||||
list_t kthread_list;
|
||||
|
||||
kthread_t *
|
||||
zk_curthread(void)
|
||||
{
|
||||
kthread_t *kt;
|
||||
pthread_t tid;
|
||||
|
||||
tid = pthread_self();
|
||||
mutex_enter(&kthread_lock);
|
||||
for (kt = list_head(&kthread_list); kt != NULL;
|
||||
kt = list_next(&kthread_list, kt)) {
|
||||
|
||||
if (kt->t_id == tid) {
|
||||
mutex_exit(&kthread_lock);
|
||||
return kt;
|
||||
}
|
||||
}
|
||||
mutex_exit(&kthread_lock);
|
||||
|
||||
return NULL;
|
||||
}
|
||||
|
||||
kthread_t *
|
||||
zk_thread_create(thread_func_t func, void *arg)
|
||||
{
|
||||
pthread_t tid;
|
||||
kthread_t *kt;
|
||||
|
||||
pthread_attr_t attr;
|
||||
VERIFY(pthread_attr_init(&attr) == 0);
|
||||
VERIFY(pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED) == 0);
|
||||
kt = umem_zalloc(sizeof(kthread_t), UMEM_NOFAIL);
|
||||
|
||||
VERIFY(pthread_create(&tid, &attr, (void *(*)(void *))func, arg) == 0);
|
||||
VERIFY(pthread_attr_init(&kt->t_attr) == 0);
|
||||
VERIFY(pthread_attr_setdetachstate(&kt->t_attr,
|
||||
PTHREAD_CREATE_DETACHED) == 0);
|
||||
VERIFY(pthread_create(&kt->t_id, &kt->t_attr,
|
||||
(void *(*)(void *))func, arg) == 0);
|
||||
|
||||
/* XXX: not portable */
|
||||
return ((void *)(uintptr_t)tid);
|
||||
mutex_enter(&kthread_lock);
|
||||
list_insert_head(&kthread_list, kt);
|
||||
mutex_exit(&kthread_lock);
|
||||
|
||||
return kt;
|
||||
}
|
||||
|
||||
void
|
||||
thread_exit(void)
|
||||
{
|
||||
kthread_t *kt;
|
||||
|
||||
VERIFY((kt = curthread) != NULL);
|
||||
|
||||
mutex_enter(&kthread_lock);
|
||||
list_remove(&kthread_list, kt);
|
||||
mutex_exit(&kthread_lock);
|
||||
|
||||
VERIFY(pthread_attr_destroy(&kt->t_attr) == 0);
|
||||
umem_free(kt, sizeof(kthread_t));
|
||||
|
||||
pthread_exit(NULL);
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -849,6 +895,10 @@ kernel_init(int mode)
|
|||
VERIFY((random_fd = open("/dev/random", O_RDONLY)) != -1);
|
||||
VERIFY((urandom_fd = open("/dev/urandom", O_RDONLY)) != -1);
|
||||
|
||||
mutex_init(&kthread_lock, NULL, MUTEX_DEFAULT, NULL);
|
||||
list_create(&kthread_list, sizeof (kthread_t),
|
||||
offsetof(kthread_t, t_node));
|
||||
|
||||
system_taskq_init();
|
||||
|
||||
spa_init(mode);
|
||||
|
|
@ -859,6 +909,9 @@ kernel_fini(void)
|
|||
{
|
||||
spa_fini();
|
||||
|
||||
list_destroy(&kthread_list);
|
||||
mutex_destroy(&kthread_lock);
|
||||
|
||||
close(random_fd);
|
||||
close(urandom_fd);
|
||||
|
||||
|
|
|
|||
|
|
@ -42,7 +42,7 @@ struct taskq {
|
|||
krwlock_t tq_threadlock;
|
||||
kcondvar_t tq_dispatch_cv;
|
||||
kcondvar_t tq_wait_cv;
|
||||
pthread_t *tq_threadlist;
|
||||
kthread_t **tq_threadlist;
|
||||
int tq_flags;
|
||||
int tq_active;
|
||||
int tq_nthreads;
|
||||
|
|
@ -198,7 +198,7 @@ taskq_create(const char *name, int nthreads, pri_t pri,
|
|||
tq->tq_maxalloc = maxalloc;
|
||||
tq->tq_task.task_next = &tq->tq_task;
|
||||
tq->tq_task.task_prev = &tq->tq_task;
|
||||
tq->tq_threadlist = kmem_alloc(nthreads * sizeof (pthread_t), KM_SLEEP);
|
||||
tq->tq_threadlist = kmem_alloc(nthreads*sizeof(kthread_t *), KM_SLEEP);
|
||||
|
||||
if (flags & TASKQ_PREPOPULATE) {
|
||||
mutex_enter(&tq->tq_lock);
|
||||
|
|
@ -208,8 +208,8 @@ taskq_create(const char *name, int nthreads, pri_t pri,
|
|||
}
|
||||
|
||||
for (t = 0; t < nthreads; t++)
|
||||
VERIFY(pthread_create(&tq->tq_threadlist[t],
|
||||
NULL, taskq_thread, tq) == 0);
|
||||
VERIFY((tq->tq_threadlist[t] = thread_create(NULL, 0,
|
||||
taskq_thread, tq, THR_BOUND, NULL, 0, 0)) != NULL);
|
||||
|
||||
return (tq);
|
||||
}
|
||||
|
|
@ -239,9 +239,9 @@ taskq_destroy(taskq_t *tq)
|
|||
mutex_exit(&tq->tq_lock);
|
||||
|
||||
for (t = 0; t < nthreads; t++)
|
||||
VERIFY(pthread_join(tq->tq_threadlist[t], NULL) == 0);
|
||||
(void) thr_join(tq->tq_threadlist[t], NULL, NULL);
|
||||
|
||||
kmem_free(tq->tq_threadlist, nthreads * sizeof (pthread_t));
|
||||
kmem_free(tq->tq_threadlist, nthreads * sizeof(kthread_t *));
|
||||
|
||||
rw_destroy(&tq->tq_threadlock);
|
||||
mutex_destroy(&tq->tq_lock);
|
||||
|
|
@ -260,7 +260,7 @@ taskq_member(taskq_t *tq, void *t)
|
|||
return (1);
|
||||
|
||||
for (i = 0; i < tq->tq_nthreads; i++)
|
||||
if (tq->tq_threadlist[i] == (pthread_t)(uintptr_t)t)
|
||||
if (tq->tq_threadlist[i] == (kthread_t *)t)
|
||||
return (1);
|
||||
|
||||
return (0);
|
||||
|
|
|
|||
Loading…
Reference in New Issue