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We stopped adding "Contributed by" or similar lines in sources in 2012 in favour of git logs and keeping the Contributors section of the glibc manual up to date. Removing these lines makes the license header a bit more consistent across files and also removes the possibility of error in attribution when license blocks or files are copied across since the contributed-by lines don't actually reflect reality in those cases. Move all "Contributed by" and similar lines (Written by, Test by, etc.) into a new file CONTRIBUTED-BY to retain record of these contributions. These contributors are also mentioned in manual/contrib.texi, so we just maintain this additional record as a courtesy to the earlier developers. The following scripts were used to filter a list of files to edit in place and to clean up the CONTRIBUTED-BY file respectively. These were not added to the glibc sources because they're not expected to be of any use in future given that this is a one time task: https://gist.github.com/siddhesh/b5ecac94eabfd72ed2916d6d8157e7dc https://gist.github.com/siddhesh/15ea1f5e435ace9774f485030695ee02 Reviewed-by: Carlos O'Donell <carlos@redhat.com>
440 lines
9.8 KiB
C
440 lines
9.8 KiB
C
/* pthread_getattr_np test.
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Copyright (C) 2003-2021 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <errno.h>
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#include <error.h>
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#include <pthread.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <unistd.h>
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#include <stackinfo.h>
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#include <libc-diag.h>
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static void *
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tf (void *arg)
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{
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pthread_attr_t a, *ap, a2;
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int err;
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void *result = NULL;
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if (arg == NULL)
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{
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ap = &a2;
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err = pthread_attr_init (ap);
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if (err)
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{
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error (0, err, "pthread_attr_init failed");
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return tf;
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}
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}
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else
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ap = (pthread_attr_t *) arg;
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err = pthread_getattr_np (pthread_self (), &a);
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if (err)
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{
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error (0, err, "pthread_getattr_np failed");
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result = tf;
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}
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int detachstate1, detachstate2;
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err = pthread_attr_getdetachstate (&a, &detachstate1);
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if (err)
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{
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error (0, err, "pthread_attr_getdetachstate failed");
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result = tf;
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}
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else
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{
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err = pthread_attr_getdetachstate (ap, &detachstate2);
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if (err)
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{
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error (0, err, "pthread_attr_getdetachstate failed");
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result = tf;
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}
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else if (detachstate1 != detachstate2)
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{
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error (0, 0, "detachstate differs %d != %d",
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detachstate1, detachstate2);
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result = tf;
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}
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}
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void *stackaddr;
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size_t stacksize;
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err = pthread_attr_getstack (&a, &stackaddr, &stacksize);
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if (err)
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{
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error (0, err, "pthread_attr_getstack failed");
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result = tf;
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}
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else if ((void *) &a < stackaddr
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|| (void *) &a >= stackaddr + stacksize)
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{
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error (0, 0, "pthread_attr_getstack returned range does not cover thread's stack");
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result = tf;
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}
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else
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printf ("thread stack %p-%p (0x%zx)\n", stackaddr, stackaddr + stacksize,
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stacksize);
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size_t guardsize1, guardsize2;
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err = pthread_attr_getguardsize (&a, &guardsize1);
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if (err)
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{
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error (0, err, "pthread_attr_getguardsize failed");
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result = tf;
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}
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else
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{
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err = pthread_attr_getguardsize (ap, &guardsize2);
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if (err)
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{
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error (0, err, "pthread_attr_getguardsize failed");
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result = tf;
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}
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else if (guardsize1 != guardsize2)
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{
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error (0, 0, "guardsize differs %zd != %zd",
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guardsize1, guardsize2);
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result = tf;
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}
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else
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printf ("thread guardsize %zd\n", guardsize1);
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}
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int scope1, scope2;
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err = pthread_attr_getscope (&a, &scope1);
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if (err)
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{
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error (0, err, "pthread_attr_getscope failed");
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result = tf;
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}
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else
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{
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err = pthread_attr_getscope (ap, &scope2);
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if (err)
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{
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error (0, err, "pthread_attr_getscope failed");
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result = tf;
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}
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else if (scope1 != scope2)
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{
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error (0, 0, "scope differs %d != %d",
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scope1, scope2);
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result = tf;
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}
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}
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int inheritsched1, inheritsched2;
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err = pthread_attr_getinheritsched (&a, &inheritsched1);
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if (err)
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{
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error (0, err, "pthread_attr_getinheritsched failed");
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result = tf;
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}
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else
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{
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err = pthread_attr_getinheritsched (ap, &inheritsched2);
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if (err)
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{
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error (0, err, "pthread_attr_getinheritsched failed");
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result = tf;
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}
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else if (inheritsched1 != inheritsched2)
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{
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error (0, 0, "inheritsched differs %d != %d",
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inheritsched1, inheritsched2);
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result = tf;
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}
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}
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cpu_set_t c1, c2;
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err = pthread_getaffinity_np (pthread_self (), sizeof (c1), &c1);
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if (err == 0)
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{
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err = pthread_attr_getaffinity_np (&a, sizeof (c2), &c2);
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if (err)
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{
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error (0, err, "pthread_attr_getaffinity_np failed");
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result = tf;
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}
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else if (memcmp (&c1, &c2, sizeof (c1)))
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{
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error (0, 0, "pthread_attr_getaffinity_np returned different CPU mask than pthread_getattr_np");
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result = tf;
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}
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}
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err = pthread_attr_destroy (&a);
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if (err)
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{
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error (0, err, "pthread_attr_destroy failed");
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result = tf;
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}
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if (ap == &a2)
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{
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err = pthread_attr_destroy (ap);
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if (err)
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{
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error (0, err, "pthread_attr_destroy failed");
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result = tf;
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}
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}
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return result;
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}
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static int
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do_test (void)
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{
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int result = 0;
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pthread_attr_t a;
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cpu_set_t c1, c2;
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int err = pthread_attr_init (&a);
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if (err)
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{
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error (0, err, "pthread_attr_init failed");
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result = 1;
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}
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err = pthread_attr_getaffinity_np (&a, sizeof (c1), &c1);
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if (err && err != ENOSYS)
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{
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error (0, err, "pthread_attr_getaffinity_np failed");
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result = 1;
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}
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err = pthread_attr_destroy (&a);
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if (err)
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{
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error (0, err, "pthread_attr_destroy failed");
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result = 1;
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}
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err = pthread_getattr_np (pthread_self (), &a);
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if (err)
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{
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error (0, err, "pthread_getattr_np failed");
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result = 1;
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}
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int detachstate;
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err = pthread_attr_getdetachstate (&a, &detachstate);
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if (err)
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{
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error (0, err, "pthread_attr_getdetachstate failed");
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result = 1;
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}
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else if (detachstate != PTHREAD_CREATE_JOINABLE)
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{
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error (0, 0, "initial thread not joinable");
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result = 1;
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}
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void *stackaddr;
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size_t stacksize;
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err = pthread_attr_getstack (&a, &stackaddr, &stacksize);
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if (err)
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{
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error (0, err, "pthread_attr_getstack failed");
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result = 1;
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}
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else if ((void *) &a < stackaddr
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|| (void *) &a >= stackaddr + stacksize)
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{
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error (0, 0, "pthread_attr_getstack returned range does not cover main's stack");
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result = 1;
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}
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else
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printf ("initial thread stack %p-%p (0x%zx)\n", stackaddr,
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stackaddr + stacksize, stacksize);
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size_t guardsize;
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err = pthread_attr_getguardsize (&a, &guardsize);
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if (err)
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{
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error (0, err, "pthread_attr_getguardsize failed");
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result = 1;
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}
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else if (guardsize != 0)
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{
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error (0, 0, "pthread_attr_getguardsize returned %zd != 0",
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guardsize);
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result = 1;
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}
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int scope;
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err = pthread_attr_getscope (&a, &scope);
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if (err)
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{
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error (0, err, "pthread_attr_getscope failed");
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result = 1;
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}
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else if (scope != PTHREAD_SCOPE_SYSTEM)
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{
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error (0, 0, "pthread_attr_getscope returned %d != PTHREAD_SCOPE_SYSTEM",
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scope);
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result = 1;
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}
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int inheritsched;
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err = pthread_attr_getinheritsched (&a, &inheritsched);
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if (err)
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{
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error (0, err, "pthread_attr_getinheritsched failed");
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result = 1;
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}
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else if (inheritsched != PTHREAD_INHERIT_SCHED)
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{
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error (0, 0, "pthread_attr_getinheritsched returned %d != PTHREAD_INHERIT_SCHED",
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inheritsched);
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result = 1;
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}
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err = pthread_getaffinity_np (pthread_self (), sizeof (c1), &c1);
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if (err == 0)
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{
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err = pthread_attr_getaffinity_np (&a, sizeof (c2), &c2);
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if (err)
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{
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error (0, err, "pthread_attr_getaffinity_np failed");
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result = 1;
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}
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else if (memcmp (&c1, &c2, sizeof (c1)))
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{
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error (0, 0, "pthread_attr_getaffinity_np returned different CPU mask than pthread_getattr_np");
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result = 1;
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}
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}
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err = pthread_attr_destroy (&a);
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if (err)
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{
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error (0, err, "pthread_attr_destroy failed");
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result = 1;
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}
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pthread_t th;
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err = pthread_create (&th, NULL, tf, NULL);
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if (err)
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{
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error (0, err, "pthread_create #1 failed");
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result = 1;
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}
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else
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{
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void *ret;
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err = pthread_join (th, &ret);
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if (err)
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{
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error (0, err, "pthread_join #1 failed");
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result = 1;
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}
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else if (ret != NULL)
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result = 1;
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}
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err = pthread_attr_init (&a);
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if (err)
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{
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error (0, err, "pthread_attr_init failed");
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result = 1;
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}
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DIAG_PUSH_NEEDS_COMMENT;
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#if __GNUC_PREREQ (7, 0)
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/* GCC 8 warns about aliasing of the restrict-qualified arguments
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passed &a. Since pthread_create does not dereference its fourth
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argument, this aliasing, which is deliberate in this test, cannot
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in fact cause problems. */
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DIAG_IGNORE_NEEDS_COMMENT (8, "-Wrestrict");
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#endif
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err = pthread_create (&th, &a, tf, &a);
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DIAG_POP_NEEDS_COMMENT;
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if (err)
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{
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error (0, err, "pthread_create #2 failed");
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result = 1;
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}
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else
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{
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void *ret;
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err = pthread_join (th, &ret);
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if (err)
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{
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error (0, err, "pthread_join #2 failed");
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result = 1;
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}
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else if (ret != NULL)
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result = 1;
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}
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err = pthread_attr_setguardsize (&a, 16 * sysconf (_SC_PAGESIZE));
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if (err)
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{
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error (0, err, "pthread_attr_setguardsize failed");
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result = 1;
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}
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DIAG_PUSH_NEEDS_COMMENT;
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#if __GNUC_PREREQ (7, 0)
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/* GCC 8 warns about aliasing of the restrict-qualified arguments
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passed &a. Since pthread_create does not dereference its fourth
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argument, this aliasing, which is deliberate in this test, cannot
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in fact cause problems. */
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DIAG_IGNORE_NEEDS_COMMENT (8, "-Wrestrict");
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#endif
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err = pthread_create (&th, &a, tf, &a);
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DIAG_POP_NEEDS_COMMENT;
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if (err)
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{
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error (0, err, "pthread_create #3 failed");
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result = 1;
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}
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else
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{
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void *ret;
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err = pthread_join (th, &ret);
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if (err)
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{
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error (0, err, "pthread_join #3 failed");
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result = 1;
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}
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else if (ret != NULL)
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result = 1;
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}
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err = pthread_attr_destroy (&a);
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if (err)
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{
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error (0, err, "pthread_attr_destroy failed");
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result = 1;
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}
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return result;
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}
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#define TEST_FUNCTION do_test ()
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#include "../test-skeleton.c"
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