Add 'feature-pthreads' branch to features branch.
This commit is contained in:
Brian Behlendorf
parent
29703a5b4e
commit
54b5b41a58
9
.topmsg
9
.topmsg
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@ -1,8 +1,9 @@
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From: Brian Behlendorf <behlendorf1@llnl.gov>
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Subject: [PATCH] feature commit cb
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Subject: [PATCH] feature pthreads
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DMU commit callbacks. Provides an API to attach callbacks to transactions,
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which are called by the DMU when they are safely committed to disk.
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See Lustre bug 14117 for details.
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This converts the userspace code to use the POSIX threads API instead of
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the Solaris-only threads API. The API is almost identical and POSIX
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threads are a standard, so this is also a no-brainer and it's also
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going upstream.
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Signed-off-by: Brian Behlendorf <behlendorf1@llnl.gov>
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@ -52,7 +52,6 @@
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#include <sys/zfs_fuid.h>
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#include <sys/arc.h>
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#undef ZFS_MAXNAMELEN
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#undef verify
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#include <libzfs.h>
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const char cmdname[] = "zdb";
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@ -25,8 +25,6 @@
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#include <libzfs.h>
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#undef verify /* both libzfs.h and zfs_context.h want to define this */
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#include <sys/zfs_context.h>
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#include <errno.h>
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@ -138,7 +138,7 @@ 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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thread_t za_thread;
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pthread_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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@ -225,27 +225,27 @@ 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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mutex_t zcl_callbacks_lock;
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list_t zcl_callbacks;
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pthread_mutex_t zcl_callbacks_lock;
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list_t zcl_callbacks;
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} ztest_cb_list_t;
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/*
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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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mutex_t zs_vdev_lock;
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rwlock_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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hrtime_t zs_start_time;
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hrtime_t zs_stop_time;
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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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mutex_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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pthread_mutex_t zs_vdev_lock;
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pthread_rwlock_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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hrtime_t zs_start_time;
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hrtime_t zs_stop_time;
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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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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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static char ztest_dev_template[] = "%s/%s.%llua";
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@ -817,7 +817,7 @@ 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) rw_rdlock(&ztest_shared->zs_name_lock);
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(void) pthread_rwlock_rdlock(&ztest_shared->zs_name_lock);
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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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@ -833,7 +833,7 @@ 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) rw_unlock(&ztest_shared->zs_name_lock);
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(void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
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}
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static vdev_t *
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@ -863,7 +863,7 @@ 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) mutex_lock(&ztest_shared->zs_vdev_lock);
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(void) pthread_mutex_lock(&ztest_shared->zs_vdev_lock);
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spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER);
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@ -881,7 +881,7 @@ 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) mutex_unlock(&ztest_shared->zs_vdev_lock);
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(void) pthread_mutex_unlock(&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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@ -910,7 +910,7 @@ 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) mutex_lock(&ztest_shared->zs_vdev_lock);
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(void) pthread_mutex_lock(&ztest_shared->zs_vdev_lock);
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spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER);
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@ -966,7 +966,7 @@ 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) mutex_unlock(&ztest_shared->zs_vdev_lock);
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(void) pthread_mutex_unlock(&ztest_shared->zs_vdev_lock);
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}
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/*
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@ -992,7 +992,7 @@ 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) mutex_lock(&ztest_shared->zs_vdev_lock);
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(void) pthread_mutex_lock(&ztest_shared->zs_vdev_lock);
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spa_config_enter(spa, SCL_VDEV, FTAG, RW_READER);
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@ -1052,7 +1052,7 @@ 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) mutex_unlock(&ztest_shared->zs_vdev_lock);
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(void) pthread_mutex_unlock(&ztest_shared->zs_vdev_lock);
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return;
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}
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@ -1145,7 +1145,7 @@ 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) mutex_unlock(&ztest_shared->zs_vdev_lock);
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(void) pthread_mutex_unlock(&ztest_shared->zs_vdev_lock);
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}
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/*
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@ -1161,7 +1161,7 @@ ztest_vdev_LUN_growth(ztest_args_t *za)
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size_t fsize;
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int fd;
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(void) mutex_lock(&ztest_shared->zs_vdev_lock);
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(void) pthread_mutex_lock(&ztest_shared->zs_vdev_lock);
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/*
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* Pick a random leaf vdev.
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@ -1192,7 +1192,7 @@ ztest_vdev_LUN_growth(ztest_args_t *za)
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(void) close(fd);
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}
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(void) mutex_unlock(&ztest_shared->zs_vdev_lock);
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(void) pthread_mutex_unlock(&ztest_shared->zs_vdev_lock);
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}
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/* ARGSUSED */
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@ -1291,7 +1291,7 @@ 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) rw_rdlock(&ztest_shared->zs_name_lock);
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(void) pthread_rwlock_rdlock(&ztest_shared->zs_name_lock);
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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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@ -1334,7 +1334,7 @@ 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) rw_unlock(&ztest_shared->zs_name_lock);
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(void) pthread_rwlock_unlock(&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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@ -1416,7 +1416,7 @@ 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) rw_unlock(&ztest_shared->zs_name_lock);
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(void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
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}
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/*
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@ -1430,7 +1430,7 @@ 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) rw_rdlock(&ztest_shared->zs_name_lock);
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(void) pthread_rwlock_rdlock(&ztest_shared->zs_name_lock);
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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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@ -1443,7 +1443,7 @@ 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) rw_unlock(&ztest_shared->zs_name_lock);
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(void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
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}
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/*
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@ -1941,7 +1941,7 @@ 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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mutex_t *lp;
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pthread_mutex_t *lp;
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char osname[MAXNAMELEN];
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char iobuf[SPA_MAXBLOCKSIZE];
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blkptr_t blk = { 0 };
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@ -1991,7 +1991,7 @@ 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) mutex_lock(lp);
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(void) pthread_mutex_lock(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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@ -2044,7 +2044,7 @@ ztest_dmu_write_parallel(ztest_args_t *za)
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dmu_write(os, ZTEST_DIROBJ, off, btsize, wbt, tx);
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}
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(void) mutex_unlock(lp);
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(void) pthread_mutex_unlock(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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@ -2063,13 +2063,13 @@ 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) mutex_lock(lp);
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(void) pthread_mutex_lock(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) mutex_unlock(lp);
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(void) pthread_mutex_unlock(lp);
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return;
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}
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blkoff = off - blkoff;
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@ -2077,7 +2077,7 @@ ztest_dmu_write_parallel(ztest_args_t *za)
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dmu_buf_rele(db, FTAG);
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za->za_dbuf = NULL;
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(void) mutex_unlock(lp);
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(void) pthread_mutex_unlock(lp);
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if (error)
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return;
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@ -2656,7 +2656,7 @@ 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) rw_rdlock(&ztest_shared->zs_name_lock);
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(void) pthread_rwlock_rdlock(&ztest_shared->zs_name_lock);
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dmu_objset_name(os, osname);
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@ -2695,7 +2695,7 @@ ztest_dsl_prop_get_set(ztest_args_t *za)
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}
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}
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(void) rw_unlock(&ztest_shared->zs_name_lock);
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(void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
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}
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/*
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@ -2859,7 +2859,7 @@ 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) rw_wrlock(&ztest_shared->zs_name_lock);
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(void) pthread_rwlock_wrlock(&ztest_shared->zs_name_lock);
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oldname = za->za_pool;
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newname = umem_alloc(strlen(oldname) + 5, UMEM_NOFAIL);
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@ -2911,7 +2911,7 @@ ztest_spa_rename(ztest_args_t *za)
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umem_free(newname, strlen(newname) + 1);
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(void) rw_unlock(&ztest_shared->zs_name_lock);
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(void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
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}
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@ -3149,15 +3149,18 @@ ztest_spa_import_export(char *oldname, char *newname)
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nvlist_free(config);
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}
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static void
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ztest_resume(spa_t *spa)
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static void *
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ztest_resume(void *arg)
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{
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spa_t *spa = arg;
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if (spa_suspended(spa)) {
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spa_vdev_state_enter(spa);
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vdev_clear(spa, NULL);
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(void) spa_vdev_state_exit(spa, NULL, 0);
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zio_resume(spa);
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}
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return (NULL);
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}
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static void *
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@ -3247,20 +3250,19 @@ 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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thread_t resume_tid;
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pthread_t resume_tid;
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ztest_exiting = B_FALSE;
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(void) _mutex_init(&zs->zs_vdev_lock, USYNC_THREAD, NULL);
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(void) rwlock_init(&zs->zs_name_lock, USYNC_THREAD, NULL);
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(void) _mutex_init(&zs->zs_cb_list.zcl_callbacks_lock, USYNC_THREAD,
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NULL);
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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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list_create(&zs->zs_cb_list.zcl_callbacks, sizeof (ztest_cb_data_t),
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offsetof(ztest_cb_data_t, zcd_node));
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for (t = 0; t < ZTEST_SYNC_LOCKS; t++)
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(void) _mutex_init(&zs->zs_sync_lock[t], USYNC_THREAD, NULL);
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(void) pthread_mutex_init(&zs->zs_sync_lock[t], NULL);
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/*
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* Destroy one disk before we even start.
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@ -3327,8 +3329,7 @@ ztest_run(char *pool)
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/*
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* Create a thread to periodically resume suspended I/O.
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*/
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VERIFY(thr_create(0, 0, ztest_resume_thread, spa, THR_BOUND,
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&resume_tid) == 0);
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VERIFY(pthread_create(&resume_tid, NULL, ztest_resume_thread, spa)==0);
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/*
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* Verify that we can safely inquire about about any object,
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@ -3377,7 +3378,7 @@ ztest_run(char *pool)
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if (t < zopt_datasets) {
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int test_future = FALSE;
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(void) rw_rdlock(&ztest_shared->zs_name_lock);
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(void) pthread_rwlock_rdlock(&ztest_shared->zs_name_lock);
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(void) snprintf(name, 100, "%s/%s_%d", pool, pool, d);
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error = dmu_objset_create(name, DMU_OST_OTHER, NULL, 0,
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ztest_create_cb, NULL);
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@ -3385,7 +3386,7 @@ ztest_run(char *pool)
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test_future = TRUE;
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} else if (error == ENOSPC) {
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zs->zs_enospc_count++;
|
||||
(void) rw_unlock(&ztest_shared->zs_name_lock);
|
||||
(void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
|
||||
break;
|
||||
} else if (error != 0) {
|
||||
fatal(0, "dmu_objset_create(%s) = %d",
|
||||
|
|
@ -3396,7 +3397,7 @@ ztest_run(char *pool)
|
|||
if (error)
|
||||
fatal(0, "dmu_objset_open('%s') = %d",
|
||||
name, error);
|
||||
(void) rw_unlock(&ztest_shared->zs_name_lock);
|
||||
(void) pthread_rwlock_unlock(&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,
|
||||
|
|
@ -3404,12 +3405,12 @@ ztest_run(char *pool)
|
|||
za[d].za_zilog = zil_open(za[d].za_os, NULL);
|
||||
}
|
||||
|
||||
VERIFY(thr_create(0, 0, ztest_thread, &za[t], THR_BOUND,
|
||||
&za[t].za_thread) == 0);
|
||||
VERIFY(pthread_create(&za[t].za_thread, NULL, ztest_thread,
|
||||
&za[t]) == 0);
|
||||
}
|
||||
|
||||
while (--t >= 0) {
|
||||
VERIFY(thr_join(za[t].za_thread, NULL, NULL) == 0);
|
||||
VERIFY(pthread_join(za[t].za_thread, NULL) == 0);
|
||||
if (t < zopt_datasets) {
|
||||
zil_close(za[t].za_zilog);
|
||||
dmu_objset_close(za[t].za_os);
|
||||
|
|
@ -3428,14 +3429,14 @@ ztest_run(char *pool)
|
|||
* If we had out-of-space errors, destroy a random objset.
|
||||
*/
|
||||
if (zs->zs_enospc_count != 0) {
|
||||
(void) rw_rdlock(&ztest_shared->zs_name_lock);
|
||||
(void) pthread_rwlock_rdlock(&ztest_shared->zs_name_lock);
|
||||
d = (int)ztest_random(zopt_datasets);
|
||||
(void) snprintf(name, 100, "%s/%s_%d", pool, pool, d);
|
||||
if (zopt_verbose >= 3)
|
||||
(void) printf("Destroying %s to free up space\n", name);
|
||||
(void) dmu_objset_find(name, ztest_destroy_cb, &za[d],
|
||||
DS_FIND_SNAPSHOTS | DS_FIND_CHILDREN);
|
||||
(void) rw_unlock(&ztest_shared->zs_name_lock);
|
||||
(void) pthread_rwlock_unlock(&ztest_shared->zs_name_lock);
|
||||
}
|
||||
|
||||
txg_wait_synced(spa_get_dsl(spa), 0);
|
||||
|
|
@ -3444,7 +3445,7 @@ ztest_run(char *pool)
|
|||
|
||||
/* Kill the resume thread */
|
||||
ztest_exiting = B_TRUE;
|
||||
VERIFY(thr_join(resume_tid, NULL, NULL) == 0);
|
||||
VERIFY(pthread_join(resume_tid, NULL) == 0);
|
||||
ztest_resume(spa);
|
||||
|
||||
/*
|
||||
|
|
@ -3460,9 +3461,9 @@ ztest_run(char *pool)
|
|||
|
||||
list_destroy(&zs->zs_cb_list.zcl_callbacks);
|
||||
|
||||
(void) _mutex_destroy(&zs->zs_cb_list.zcl_callbacks_lock);
|
||||
(void) rwlock_destroy(&zs->zs_name_lock);
|
||||
(void) _mutex_destroy(&zs->zs_vdev_lock);
|
||||
(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);
|
||||
}
|
||||
|
||||
void
|
||||
|
|
|
|||
|
|
@ -37,7 +37,6 @@
|
|||
#include <stdlib.h>
|
||||
#include <string.h>
|
||||
#include <sys/debug.h>
|
||||
#include <thread.h>
|
||||
#include <unistd.h>
|
||||
|
||||
#if !defined(TEXT_DOMAIN)
|
||||
|
|
@ -70,11 +69,12 @@ static va_list uu_panic_args;
|
|||
static pthread_t uu_panic_thread;
|
||||
|
||||
static uint32_t _uu_main_error;
|
||||
static __thread int _uu_main_thread = 0;
|
||||
|
||||
void
|
||||
uu_set_error(uint_t code)
|
||||
{
|
||||
if (thr_main() != 0) {
|
||||
if (_uu_main_thread) {
|
||||
_uu_main_error = code;
|
||||
return;
|
||||
}
|
||||
|
|
@ -103,7 +103,7 @@ uu_set_error(uint_t code)
|
|||
uint32_t
|
||||
uu_error(void)
|
||||
{
|
||||
if (thr_main() != 0)
|
||||
if (_uu_main_thread)
|
||||
return (_uu_main_error);
|
||||
|
||||
if (uu_error_key_setup < 0) /* can't happen? */
|
||||
|
|
@ -251,5 +251,6 @@ uu_release_child(void)
|
|||
static void
|
||||
uu_init(void)
|
||||
{
|
||||
_uu_main_thread = 1;
|
||||
(void) pthread_atfork(uu_lockup, uu_release, uu_release_child);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -50,8 +50,7 @@ extern "C" {
|
|||
#include <errno.h>
|
||||
#include <string.h>
|
||||
#include <strings.h>
|
||||
#include <synch.h>
|
||||
#include <thread.h>
|
||||
#include <pthread.h>
|
||||
#include <assert.h>
|
||||
#include <alloca.h>
|
||||
#include <umem.h>
|
||||
|
|
@ -104,6 +103,7 @@ extern void vpanic(const char *, __va_list);
|
|||
#define fm_panic panic
|
||||
|
||||
/* This definition is copied from assert.h. */
|
||||
#ifndef verify
|
||||
#if defined(__STDC__)
|
||||
#if __STDC_VERSION__ - 0 >= 199901L
|
||||
#define verify(EX) (void)((EX) || \
|
||||
|
|
@ -114,7 +114,10 @@ extern void vpanic(const char *, __va_list);
|
|||
#else
|
||||
#define verify(EX) (void)((EX) || (_assert("EX", __FILE__, __LINE__), 0))
|
||||
#endif /* __STDC__ */
|
||||
#endif
|
||||
|
||||
#undef VERIFY
|
||||
#undef ASSERT
|
||||
|
||||
#define VERIFY verify
|
||||
#define ASSERT assert
|
||||
|
|
@ -187,15 +190,18 @@ _NOTE(CONSTCOND) } while (0)
|
|||
/*
|
||||
* Threads
|
||||
*/
|
||||
#define curthread ((void *)(uintptr_t)thr_self())
|
||||
#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 *);
|
||||
|
||||
#define thread_create(stk, stksize, func, arg, len, pp, state, pri) \
|
||||
zk_thread_create(func, arg)
|
||||
#define thread_exit() thr_exit(NULL)
|
||||
zk_thread_create((thread_func_t)func, arg)
|
||||
#define thread_exit() pthread_exit(NULL)
|
||||
|
||||
extern kthread_t *zk_thread_create(void (*func)(), void *arg);
|
||||
extern kthread_t *zk_thread_create(thread_func_t func, void *arg);
|
||||
|
||||
#define issig(why) (FALSE)
|
||||
#define ISSIG(thr, why) (FALSE)
|
||||
|
|
@ -203,28 +209,18 @@ extern kthread_t *zk_thread_create(void (*func)(), void *arg);
|
|||
/*
|
||||
* Mutexes
|
||||
*/
|
||||
#define MTX_MAGIC 0x9522f51362a6e326ull
|
||||
typedef struct kmutex {
|
||||
void *m_owner;
|
||||
boolean_t initialized;
|
||||
mutex_t m_lock;
|
||||
uint64_t m_magic;
|
||||
pthread_mutex_t m_lock;
|
||||
} kmutex_t;
|
||||
|
||||
#define MUTEX_DEFAULT USYNC_THREAD
|
||||
#undef MUTEX_HELD
|
||||
#define MUTEX_HELD(m) _mutex_held(&(m)->m_lock)
|
||||
#define MUTEX_DEFAULT 0
|
||||
#define MUTEX_HELD(m) ((m)->m_owner == curthread)
|
||||
|
||||
/*
|
||||
* Argh -- we have to get cheesy here because the kernel and userland
|
||||
* have different signatures for the same routine.
|
||||
*/
|
||||
extern int _mutex_init(mutex_t *mp, int type, void *arg);
|
||||
extern int _mutex_destroy(mutex_t *mp);
|
||||
|
||||
#define mutex_init(mp, b, c, d) zmutex_init((kmutex_t *)(mp))
|
||||
#define mutex_destroy(mp) zmutex_destroy((kmutex_t *)(mp))
|
||||
|
||||
extern void zmutex_init(kmutex_t *mp);
|
||||
extern void zmutex_destroy(kmutex_t *mp);
|
||||
extern void mutex_init(kmutex_t *mp, char *name, int type, void *cookie);
|
||||
extern void mutex_destroy(kmutex_t *mp);
|
||||
extern void mutex_enter(kmutex_t *mp);
|
||||
extern void mutex_exit(kmutex_t *mp);
|
||||
extern int mutex_tryenter(kmutex_t *mp);
|
||||
|
|
@ -233,23 +229,24 @@ extern void *mutex_owner(kmutex_t *mp);
|
|||
/*
|
||||
* RW locks
|
||||
*/
|
||||
#define RW_MAGIC 0x4d31fb123648e78aull
|
||||
typedef struct krwlock {
|
||||
void *rw_owner;
|
||||
boolean_t initialized;
|
||||
rwlock_t rw_lock;
|
||||
void *rw_owner;
|
||||
void *rw_wr_owner;
|
||||
uint64_t rw_magic;
|
||||
pthread_rwlock_t rw_lock;
|
||||
uint_t rw_readers;
|
||||
} krwlock_t;
|
||||
|
||||
typedef int krw_t;
|
||||
|
||||
#define RW_READER 0
|
||||
#define RW_WRITER 1
|
||||
#define RW_DEFAULT USYNC_THREAD
|
||||
#define RW_DEFAULT 0
|
||||
|
||||
#undef RW_READ_HELD
|
||||
#define RW_READ_HELD(x) _rw_read_held(&(x)->rw_lock)
|
||||
|
||||
#undef RW_WRITE_HELD
|
||||
#define RW_WRITE_HELD(x) _rw_write_held(&(x)->rw_lock)
|
||||
#define RW_READ_HELD(x) ((x)->rw_readers > 0)
|
||||
#define RW_WRITE_HELD(x) ((x)->rw_wr_owner == curthread)
|
||||
#define RW_LOCK_HELD(x) (RW_READ_HELD(x) || RW_WRITE_HELD(x))
|
||||
|
||||
extern void rw_init(krwlock_t *rwlp, char *name, int type, void *arg);
|
||||
extern void rw_destroy(krwlock_t *rwlp);
|
||||
|
|
@ -267,9 +264,13 @@ extern gid_t *crgetgroups(cred_t *cr);
|
|||
/*
|
||||
* Condition variables
|
||||
*/
|
||||
typedef cond_t kcondvar_t;
|
||||
#define CV_MAGIC 0xd31ea9a83b1b30c4ull
|
||||
typedef struct kcondvar {
|
||||
uint64_t cv_magic;
|
||||
pthread_cond_t cv;
|
||||
} kcondvar_t;
|
||||
|
||||
#define CV_DEFAULT USYNC_THREAD
|
||||
#define CV_DEFAULT 0
|
||||
|
||||
extern void cv_init(kcondvar_t *cv, char *name, int type, void *arg);
|
||||
extern void cv_destroy(kcondvar_t *cv);
|
||||
|
|
@ -443,7 +444,8 @@ extern void delay(clock_t ticks);
|
|||
#define minclsyspri 60
|
||||
#define maxclsyspri 99
|
||||
|
||||
#define CPU_SEQID (thr_self() & (max_ncpus - 1))
|
||||
/* XXX: not portable */
|
||||
#define CPU_SEQID (pthread_self() & (max_ncpus - 1))
|
||||
|
||||
#define kcred NULL
|
||||
#define CRED() NULL
|
||||
|
|
|
|||
|
|
@ -36,6 +36,7 @@
|
|||
#include <sys/zfs_context.h>
|
||||
#include <sys/zmod.h>
|
||||
#include <sys/utsname.h>
|
||||
#include <sys/time.h>
|
||||
#include <sys/systeminfo.h>
|
||||
|
||||
/*
|
||||
|
|
@ -57,13 +58,17 @@ struct utsname utsname = {
|
|||
*/
|
||||
/*ARGSUSED*/
|
||||
kthread_t *
|
||||
zk_thread_create(void (*func)(), void *arg)
|
||||
zk_thread_create(thread_func_t func, void *arg)
|
||||
{
|
||||
thread_t tid;
|
||||
pthread_t tid;
|
||||
|
||||
VERIFY(thr_create(0, 0, (void *(*)(void *))func, arg, THR_DETACHED,
|
||||
&tid) == 0);
|
||||
pthread_attr_t attr;
|
||||
VERIFY(pthread_attr_init(&attr) == 0);
|
||||
VERIFY(pthread_attr_setdetachstate(&attr, PTHREAD_CREATE_DETACHED) == 0);
|
||||
|
||||
VERIFY(pthread_create(&tid, &attr, (void *(*)(void *))func, arg) == 0);
|
||||
|
||||
/* XXX: not portable */
|
||||
return ((void *)(uintptr_t)tid);
|
||||
}
|
||||
|
||||
|
|
@ -96,30 +101,37 @@ kstat_delete(kstat_t *ksp)
|
|||
* =========================================================================
|
||||
*/
|
||||
void
|
||||
zmutex_init(kmutex_t *mp)
|
||||
mutex_init(kmutex_t *mp, char *name, int type, void *cookie)
|
||||
{
|
||||
ASSERT(type == MUTEX_DEFAULT);
|
||||
ASSERT(cookie == NULL);
|
||||
|
||||
#ifdef IM_FEELING_LUCKY
|
||||
ASSERT(mp->m_magic != MTX_MAGIC);
|
||||
#endif
|
||||
|
||||
mp->m_owner = NULL;
|
||||
mp->initialized = B_TRUE;
|
||||
(void) _mutex_init(&mp->m_lock, USYNC_THREAD, NULL);
|
||||
mp->m_magic = MTX_MAGIC;
|
||||
VERIFY3S(pthread_mutex_init(&mp->m_lock, NULL), ==, 0);
|
||||
}
|
||||
|
||||
void
|
||||
zmutex_destroy(kmutex_t *mp)
|
||||
mutex_destroy(kmutex_t *mp)
|
||||
{
|
||||
ASSERT(mp->initialized == B_TRUE);
|
||||
ASSERT(mp->m_magic == MTX_MAGIC);
|
||||
ASSERT(mp->m_owner == NULL);
|
||||
(void) _mutex_destroy(&(mp)->m_lock);
|
||||
VERIFY3S(pthread_mutex_destroy(&(mp)->m_lock), ==, 0);
|
||||
mp->m_owner = (void *)-1UL;
|
||||
mp->initialized = B_FALSE;
|
||||
mp->m_magic = 0;
|
||||
}
|
||||
|
||||
void
|
||||
mutex_enter(kmutex_t *mp)
|
||||
{
|
||||
ASSERT(mp->initialized == B_TRUE);
|
||||
ASSERT(mp->m_magic == MTX_MAGIC);
|
||||
ASSERT(mp->m_owner != (void *)-1UL);
|
||||
ASSERT(mp->m_owner != curthread);
|
||||
VERIFY(mutex_lock(&mp->m_lock) == 0);
|
||||
VERIFY3S(pthread_mutex_lock(&mp->m_lock), ==, 0);
|
||||
ASSERT(mp->m_owner == NULL);
|
||||
mp->m_owner = curthread;
|
||||
}
|
||||
|
|
@ -127,9 +139,9 @@ mutex_enter(kmutex_t *mp)
|
|||
int
|
||||
mutex_tryenter(kmutex_t *mp)
|
||||
{
|
||||
ASSERT(mp->initialized == B_TRUE);
|
||||
ASSERT(mp->m_magic == MTX_MAGIC);
|
||||
ASSERT(mp->m_owner != (void *)-1UL);
|
||||
if (0 == mutex_trylock(&mp->m_lock)) {
|
||||
if (0 == pthread_mutex_trylock(&mp->m_lock)) {
|
||||
ASSERT(mp->m_owner == NULL);
|
||||
mp->m_owner = curthread;
|
||||
return (1);
|
||||
|
|
@ -141,16 +153,16 @@ mutex_tryenter(kmutex_t *mp)
|
|||
void
|
||||
mutex_exit(kmutex_t *mp)
|
||||
{
|
||||
ASSERT(mp->initialized == B_TRUE);
|
||||
ASSERT(mp->m_magic == MTX_MAGIC);
|
||||
ASSERT(mutex_owner(mp) == curthread);
|
||||
mp->m_owner = NULL;
|
||||
VERIFY(mutex_unlock(&mp->m_lock) == 0);
|
||||
VERIFY3S(pthread_mutex_unlock(&mp->m_lock), ==, 0);
|
||||
}
|
||||
|
||||
void *
|
||||
mutex_owner(kmutex_t *mp)
|
||||
{
|
||||
ASSERT(mp->initialized == B_TRUE);
|
||||
ASSERT(mp->m_magic == MTX_MAGIC);
|
||||
return (mp->m_owner);
|
||||
}
|
||||
|
||||
|
|
@ -163,31 +175,48 @@ mutex_owner(kmutex_t *mp)
|
|||
void
|
||||
rw_init(krwlock_t *rwlp, char *name, int type, void *arg)
|
||||
{
|
||||
rwlock_init(&rwlp->rw_lock, USYNC_THREAD, NULL);
|
||||
ASSERT(type == RW_DEFAULT);
|
||||
ASSERT(arg == NULL);
|
||||
|
||||
#ifdef IM_FEELING_LUCKY
|
||||
ASSERT(rwlp->rw_magic != RW_MAGIC);
|
||||
#endif
|
||||
|
||||
VERIFY3S(pthread_rwlock_init(&rwlp->rw_lock, NULL), ==, 0);
|
||||
rwlp->rw_owner = NULL;
|
||||
rwlp->initialized = B_TRUE;
|
||||
rwlp->rw_wr_owner = NULL;
|
||||
rwlp->rw_readers = 0;
|
||||
rwlp->rw_magic = RW_MAGIC;
|
||||
}
|
||||
|
||||
void
|
||||
rw_destroy(krwlock_t *rwlp)
|
||||
{
|
||||
rwlock_destroy(&rwlp->rw_lock);
|
||||
rwlp->rw_owner = (void *)-1UL;
|
||||
rwlp->initialized = B_FALSE;
|
||||
ASSERT(rwlp->rw_magic == RW_MAGIC);
|
||||
|
||||
VERIFY3S(pthread_rwlock_destroy(&rwlp->rw_lock), ==, 0);
|
||||
rwlp->rw_magic = 0;
|
||||
}
|
||||
|
||||
void
|
||||
rw_enter(krwlock_t *rwlp, krw_t rw)
|
||||
{
|
||||
ASSERT(!RW_LOCK_HELD(rwlp));
|
||||
ASSERT(rwlp->initialized == B_TRUE);
|
||||
ASSERT(rwlp->rw_owner != (void *)-1UL);
|
||||
ASSERT(rwlp->rw_magic == RW_MAGIC);
|
||||
ASSERT(rwlp->rw_owner != curthread);
|
||||
ASSERT(rwlp->rw_wr_owner != curthread);
|
||||
|
||||
if (rw == RW_READER)
|
||||
VERIFY(rw_rdlock(&rwlp->rw_lock) == 0);
|
||||
else
|
||||
VERIFY(rw_wrlock(&rwlp->rw_lock) == 0);
|
||||
if (rw == RW_READER) {
|
||||
VERIFY3S(pthread_rwlock_rdlock(&rwlp->rw_lock), ==, 0);
|
||||
ASSERT(rwlp->rw_wr_owner == NULL);
|
||||
|
||||
atomic_inc_uint(&rwlp->rw_readers);
|
||||
} else {
|
||||
VERIFY3S(pthread_rwlock_wrlock(&rwlp->rw_lock), ==, 0);
|
||||
ASSERT(rwlp->rw_wr_owner == NULL);
|
||||
ASSERT3U(rwlp->rw_readers, ==, 0);
|
||||
|
||||
rwlp->rw_wr_owner = curthread;
|
||||
}
|
||||
|
||||
rwlp->rw_owner = curthread;
|
||||
}
|
||||
|
|
@ -195,11 +224,16 @@ rw_enter(krwlock_t *rwlp, krw_t rw)
|
|||
void
|
||||
rw_exit(krwlock_t *rwlp)
|
||||
{
|
||||
ASSERT(rwlp->initialized == B_TRUE);
|
||||
ASSERT(rwlp->rw_owner != (void *)-1UL);
|
||||
ASSERT(rwlp->rw_magic == RW_MAGIC);
|
||||
ASSERT(RW_LOCK_HELD(rwlp));
|
||||
|
||||
if (RW_READ_HELD(rwlp))
|
||||
atomic_dec_uint(&rwlp->rw_readers);
|
||||
else
|
||||
rwlp->rw_wr_owner = NULL;
|
||||
|
||||
rwlp->rw_owner = NULL;
|
||||
VERIFY(rw_unlock(&rwlp->rw_lock) == 0);
|
||||
VERIFY3S(pthread_rwlock_unlock(&rwlp->rw_lock), ==, 0);
|
||||
}
|
||||
|
||||
int
|
||||
|
|
@ -207,19 +241,29 @@ rw_tryenter(krwlock_t *rwlp, krw_t rw)
|
|||
{
|
||||
int rv;
|
||||
|
||||
ASSERT(rwlp->initialized == B_TRUE);
|
||||
ASSERT(rwlp->rw_owner != (void *)-1UL);
|
||||
ASSERT(rwlp->rw_magic == RW_MAGIC);
|
||||
|
||||
if (rw == RW_READER)
|
||||
rv = rw_tryrdlock(&rwlp->rw_lock);
|
||||
rv = pthread_rwlock_tryrdlock(&rwlp->rw_lock);
|
||||
else
|
||||
rv = rw_trywrlock(&rwlp->rw_lock);
|
||||
rv = pthread_rwlock_trywrlock(&rwlp->rw_lock);
|
||||
|
||||
if (rv == 0) {
|
||||
ASSERT(rwlp->rw_wr_owner == NULL);
|
||||
|
||||
if (rw == RW_READER)
|
||||
atomic_inc_uint(&rwlp->rw_readers);
|
||||
else {
|
||||
ASSERT3U(rwlp->rw_readers, ==, 0);
|
||||
rwlp->rw_wr_owner = curthread;
|
||||
}
|
||||
|
||||
rwlp->rw_owner = curthread;
|
||||
return (1);
|
||||
}
|
||||
|
||||
VERIFY3S(rv, ==, EBUSY);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
||||
|
|
@ -227,8 +271,7 @@ rw_tryenter(krwlock_t *rwlp, krw_t rw)
|
|||
int
|
||||
rw_tryupgrade(krwlock_t *rwlp)
|
||||
{
|
||||
ASSERT(rwlp->initialized == B_TRUE);
|
||||
ASSERT(rwlp->rw_owner != (void *)-1UL);
|
||||
ASSERT(rwlp->rw_magic == RW_MAGIC);
|
||||
|
||||
return (0);
|
||||
}
|
||||
|
|
@ -242,22 +285,34 @@ rw_tryupgrade(krwlock_t *rwlp)
|
|||
void
|
||||
cv_init(kcondvar_t *cv, char *name, int type, void *arg)
|
||||
{
|
||||
VERIFY(cond_init(cv, type, NULL) == 0);
|
||||
ASSERT(type == CV_DEFAULT);
|
||||
|
||||
#ifdef IM_FEELING_LUCKY
|
||||
ASSERT(cv->cv_magic != CV_MAGIC);
|
||||
#endif
|
||||
|
||||
cv->cv_magic = CV_MAGIC;
|
||||
|
||||
VERIFY3S(pthread_cond_init(&cv->cv, NULL), ==, 0);
|
||||
}
|
||||
|
||||
void
|
||||
cv_destroy(kcondvar_t *cv)
|
||||
{
|
||||
VERIFY(cond_destroy(cv) == 0);
|
||||
ASSERT(cv->cv_magic == CV_MAGIC);
|
||||
VERIFY3S(pthread_cond_destroy(&cv->cv), ==, 0);
|
||||
cv->cv_magic = 0;
|
||||
}
|
||||
|
||||
void
|
||||
cv_wait(kcondvar_t *cv, kmutex_t *mp)
|
||||
{
|
||||
ASSERT(cv->cv_magic == CV_MAGIC);
|
||||
ASSERT(mutex_owner(mp) == curthread);
|
||||
mp->m_owner = NULL;
|
||||
int ret = cond_wait(cv, &mp->m_lock);
|
||||
VERIFY(ret == 0 || ret == EINTR);
|
||||
int ret = pthread_cond_wait(&cv->cv, &mp->m_lock);
|
||||
if (ret != 0)
|
||||
VERIFY3S(ret, ==, EINTR);
|
||||
mp->m_owner = curthread;
|
||||
}
|
||||
|
||||
|
|
@ -265,29 +320,38 @@ clock_t
|
|||
cv_timedwait(kcondvar_t *cv, kmutex_t *mp, clock_t abstime)
|
||||
{
|
||||
int error;
|
||||
struct timeval tv;
|
||||
timestruc_t ts;
|
||||
clock_t delta;
|
||||
|
||||
ASSERT(cv->cv_magic == CV_MAGIC);
|
||||
|
||||
top:
|
||||
delta = abstime - lbolt;
|
||||
if (delta <= 0)
|
||||
return (-1);
|
||||
|
||||
ts.tv_sec = delta / hz;
|
||||
ts.tv_nsec = (delta % hz) * (NANOSEC / hz);
|
||||
VERIFY(gettimeofday(&tv, NULL) == 0);
|
||||
|
||||
ts.tv_sec = tv.tv_sec + delta / hz;
|
||||
ts.tv_nsec = tv.tv_usec * 1000 + (delta % hz) * (NANOSEC / hz);
|
||||
if (ts.tv_nsec >= NANOSEC) {
|
||||
ts.tv_sec++;
|
||||
ts.tv_nsec -= NANOSEC;
|
||||
}
|
||||
|
||||
ASSERT(mutex_owner(mp) == curthread);
|
||||
mp->m_owner = NULL;
|
||||
error = cond_reltimedwait(cv, &mp->m_lock, &ts);
|
||||
error = pthread_cond_timedwait(&cv->cv, &mp->m_lock, &ts);
|
||||
mp->m_owner = curthread;
|
||||
|
||||
if (error == ETIME)
|
||||
if (error == ETIMEDOUT)
|
||||
return (-1);
|
||||
|
||||
if (error == EINTR)
|
||||
goto top;
|
||||
|
||||
ASSERT(error == 0);
|
||||
VERIFY3S(error, ==, 0);
|
||||
|
||||
return (1);
|
||||
}
|
||||
|
|
@ -295,13 +359,15 @@ top:
|
|||
void
|
||||
cv_signal(kcondvar_t *cv)
|
||||
{
|
||||
VERIFY(cond_signal(cv) == 0);
|
||||
ASSERT(cv->cv_magic == CV_MAGIC);
|
||||
VERIFY3S(pthread_cond_signal(&cv->cv), ==, 0);
|
||||
}
|
||||
|
||||
void
|
||||
cv_broadcast(kcondvar_t *cv)
|
||||
{
|
||||
VERIFY(cond_broadcast(cv) == 0);
|
||||
ASSERT(cv->cv_magic == CV_MAGIC);
|
||||
VERIFY3S(pthread_cond_broadcast(&cv->cv), ==, 0);
|
||||
}
|
||||
|
||||
/*
|
||||
|
|
@ -543,7 +609,7 @@ __dprintf(const char *file, const char *func, int line, const char *fmt, ...)
|
|||
if (dprintf_find_string("pid"))
|
||||
(void) printf("%d ", getpid());
|
||||
if (dprintf_find_string("tid"))
|
||||
(void) printf("%u ", thr_self());
|
||||
(void) printf("%u ", (uint_t) pthread_self());
|
||||
if (dprintf_find_string("cpu"))
|
||||
(void) printf("%u ", getcpuid());
|
||||
if (dprintf_find_string("time"))
|
||||
|
|
|
|||
|
|
@ -42,7 +42,7 @@ struct taskq {
|
|||
krwlock_t tq_threadlock;
|
||||
kcondvar_t tq_dispatch_cv;
|
||||
kcondvar_t tq_wait_cv;
|
||||
thread_t *tq_threadlist;
|
||||
pthread_t *tq_threadlist;
|
||||
int tq_flags;
|
||||
int tq_active;
|
||||
int tq_nthreads;
|
||||
|
|
@ -185,7 +185,7 @@ 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 (thread_t), KM_SLEEP);
|
||||
tq->tq_threadlist = kmem_alloc(nthreads * sizeof (pthread_t), KM_SLEEP);
|
||||
|
||||
if (flags & TASKQ_PREPOPULATE) {
|
||||
mutex_enter(&tq->tq_lock);
|
||||
|
|
@ -195,8 +195,8 @@ taskq_create(const char *name, int nthreads, pri_t pri,
|
|||
}
|
||||
|
||||
for (t = 0; t < nthreads; t++)
|
||||
(void) thr_create(0, 0, taskq_thread,
|
||||
tq, THR_BOUND, &tq->tq_threadlist[t]);
|
||||
VERIFY(pthread_create(&tq->tq_threadlist[t],
|
||||
NULL, taskq_thread, tq) == 0);
|
||||
|
||||
return (tq);
|
||||
}
|
||||
|
|
@ -226,9 +226,9 @@ taskq_destroy(taskq_t *tq)
|
|||
mutex_exit(&tq->tq_lock);
|
||||
|
||||
for (t = 0; t < nthreads; t++)
|
||||
(void) thr_join(tq->tq_threadlist[t], NULL, NULL);
|
||||
VERIFY(pthread_join(tq->tq_threadlist[t], NULL) == 0);
|
||||
|
||||
kmem_free(tq->tq_threadlist, nthreads * sizeof (thread_t));
|
||||
kmem_free(tq->tq_threadlist, nthreads * sizeof (pthread_t));
|
||||
|
||||
rw_destroy(&tq->tq_threadlock);
|
||||
mutex_destroy(&tq->tq_lock);
|
||||
|
|
@ -247,7 +247,7 @@ taskq_member(taskq_t *tq, void *t)
|
|||
return (1);
|
||||
|
||||
for (i = 0; i < tq->tq_nthreads; i++)
|
||||
if (tq->tq_threadlist[i] == (thread_t)(uintptr_t)t)
|
||||
if (tq->tq_threadlist[i] == (pthread_t)(uintptr_t)t)
|
||||
return (1);
|
||||
|
||||
return (0);
|
||||
|
|
|
|||
Loading…
Reference in New Issue