pthread_attr_get_np.c revision e56998eefc33ead0f12b364be915dd6bfc12a3f5
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * This file and its contents are supplied under the terms of the
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * Common Development and Distribution License ("CDDL"), version 1.0.
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * You may only use this file in accordance with the terms of version
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * 1.0 of the CDDL.
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * A full copy of the text of the CDDL should have accompanied this
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * source. A copy of the CDDL is also available via the Internet at
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * Copyright 2016 Joyent, Inc.
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * Test and verify that pthrad_attr_get_np works as we expect.
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * Verify the following:
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * o stack size is set to a valid value after a thread is created.
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * o main thread can grab an alternate thread's info.
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * o custom guard size is honored
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * o detach state
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * - detached 1
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * - joinable 2
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * - changing 2
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * o daemon state
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * - enabled 1
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * - disabled 2
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * - process 2
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * o inheritable
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * - inherit 1
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * - explicit 2
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * - honors change 2
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * - honours change 2
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * For each of the cases above we explicitly go through and create the set of
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * attributes as marked above and then inside of a thread, verify that the
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * attributes match what we expect. Because each case ends up in creating a
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * detached thread, we opt to have both it and the main thread enter a barrier
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * to indicate that we have completed the test successfully.
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * Currently these are only defined in thr_uberdata.h. Rather than trying and
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * fight with libc headers, just explicitly define them here.
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi#define PTHREAD_CREATE_DAEMON_NP 0x100 /* = THR_DAEMON */
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchiextern int pthread_attr_setdaemonstate_np(pthread_attr_t *, int);
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchiextern int pthread_attr_getdaemonstate_np(const pthread_attr_t *, int *);
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * Verify that the stack pointer of a context is consistent with where the
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * attributes indicate.
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_getstack(attr, &stk, &stksz));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY(ret == 0 || ret == PTHREAD_BARRIER_SERIAL_THREAD);
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_destroy(&pgn_thr_attr));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_barrier_destroy(&pgn_barrier));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_barrier_init(&pgn_barrier, NULL, 2));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi/* ARGSUSED */
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_get_np(pthread_self(), &pgn_attr));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_getdetachstate(&pgn_thr_attr, &odetach));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_getdetachstate(&pgn_attr, &ndetach));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY3S(ndetach, ==, PTHREAD_CREATE_DETACHED);
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_getdaemonstate_np(&pgn_thr_attr, &odaemon));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_getdaemonstate_np(&pgn_attr, &ndaemon));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY3S(ndaemon, ==, PTHREAD_CREATE_DAEMON_NP);
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_getscope(&pgn_thr_attr, &oscope));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_getscope(&pgn_attr, &nscope));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY3S(nscope, ==, PTHREAD_SCOPE_SYSTEM);
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_getinheritsched(&pgn_thr_attr, &oinherit));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_getinheritsched(&pgn_attr, &ninherit));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY3S(ninherit, ==, PTHREAD_INHERIT_SCHED);
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY3S(pthread_barrier_wait(&pgn_barrier), !=, 1);
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_setdetachstate(&pgn_thr_attr,
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_setdaemonstate_np(&pgn_thr_attr,
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_setscope(&pgn_thr_attr, PTHREAD_SCOPE_SYSTEM));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_setinheritsched(&pgn_thr_attr,
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_create(&thr, &pgn_thr_attr, pgn_set_one_thr, NULL));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * Verify it's not joinable.
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * At this point we let the test continue and wait on the barrier. We'll
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * wake up when the other thread is done.
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi/* ARGSUSED */
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_get_np(pthread_self(), &pgn_attr));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_getdetachstate(&pgn_thr_attr, &odetach));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_getdetachstate(&pgn_attr, &ndetach));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY3S(ndetach, ==, PTHREAD_CREATE_JOINABLE);
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_getdaemonstate_np(&pgn_thr_attr, &odaemon));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_getdaemonstate_np(&pgn_attr, &ndaemon));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY3S(ndaemon, ==, PTHREAD_CREATE_NONDAEMON_NP);
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_getscope(&pgn_thr_attr, &oscope));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_getscope(&pgn_attr, &nscope));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY3S(nscope, ==, PTHREAD_SCOPE_PROCESS);
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_getinheritsched(&pgn_thr_attr, &oinherit));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_getinheritsched(&pgn_attr, &ninherit));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY3S(ninherit, ==, PTHREAD_EXPLICIT_SCHED);
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_getschedpolicy(&pgn_thr_attr, &opolicy));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_getschedpolicy(&pgn_attr, &npolicy));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * Now that we've validated the basics, go ahead and test the changes,
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * which include making sure that we see updates via
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * pthread_setschedparam() and pthread_detach().
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_setschedparam(pthread_self(), opolicy, &oparam));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_get_np(pthread_self(), &pgn_attr));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_getdetachstate(&pgn_attr, &ndetach));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY3S(ndetach, ==, PTHREAD_CREATE_DETACHED);
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_getschedpolicy(&pgn_attr, &npolicy));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_getschedparam(&pgn_attr, &nparam));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY3S(oparam.sched_priority, ==, nparam.sched_priority);
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY3S(nparam.sched_priority, ==, PGN_TEST_PRI);
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY3S(pthread_barrier_wait(&pgn_barrier), !=, 1);
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_setdetachstate(&pgn_thr_attr,
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_setdaemonstate_np(&pgn_thr_attr,
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_setscope(&pgn_thr_attr, PTHREAD_SCOPE_PROCESS));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_setinheritsched(&pgn_thr_attr,
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_setschedpolicy(&pgn_thr_attr, SCHED_FSS));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_create(&thr, &pgn_thr_attr, pgn_set_two_thr, NULL));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * At this point we let the test continue and wait on the barrier. We'll
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi * wake up when the other thread is done.
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi/* ARGSUSED */
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY3S(pthread_barrier_wait(&pgn_barrier), !=, 1);
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_create(&thr, NULL, pgn_set_three_thr, NULL));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_get_np(thr, &altattr));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_get_np(pthread_self(), &selfattr));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_getstack(&selfattr, &selfstk, &selfsz));
e56998eefc33ead0f12b364be915dd6bfc12a3f5Robert Mustacchi VERIFY0(pthread_attr_getstack(&altattr, &altstk, &altsz));