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Re: [PATCH v2 5/5] Add test cases for ISO C11 threads
- From: Juan Manuel Torres Palma <j dot m dot torrespalma at gmail dot com>
- To: libc-alpha <libc-alpha at sourceware dot org>
- Date: Tue, 13 Oct 2015 12:09:24 +0200
- Subject: Re: [PATCH v2 5/5] Add test cases for ISO C11 threads
- Authentication-results: sourceware.org; auth=none
- References: <1440515272-9453-1-git-send-email-j dot m dot torrespalma at gmail dot com> <1440515272-9453-6-git-send-email-j dot m dot torrespalma at gmail dot com>
Ping^2
2015-08-25 17:07 GMT+02:00 Juan Manuel Torres Palma <j.m.torrespalma@gmail.com>:
> This patch adds to testsuite new test cases to test all of
> the new introduced functionality. All the ISO C11 functions,
> types and macros are tested.
>
> 2015-08-25 Juan Manuel Torres Palma <jmtorrespalma@gmail.com>
>
> * nptl/Makefile (tests): Add new test files.
> * nptl/tst-call-once.c : New file. Tests C11 functions and types.
> * nptl/tst-cnd-basic.c: Likewise.
> * nptl/tst-cnd-broadcast.c: Likewise.
> * nptl/tst-cnd-timedwait.c: Likewise.
> * nptl/tst-mtx-basic.c: Likewise.
> * nptl/tst-mtx-recursive.c: Likewise.
> * nptl/tst-mtx-timedlock.c: Likewise.
> * nptl/tst-mtx-trylock.c: Likewise.
> * nptl/tst-thrd-basic.c: Likewise.
> * nptl/tst-thrd-detach.c: Likewise.
> * nptl/tst-thrd-sleep.c: Likewise.
> * nptl/tst-tss-basic.c: Likewise.
>
> diff --git a/nptl/Makefile b/nptl/Makefile
> index 9c3ffb8..4a88816 100644
> --- a/nptl/Makefile
> +++ b/nptl/Makefile
> @@ -292,7 +292,12 @@ tests = tst-typesizes \
> tst-getpid3 \
> tst-setuid3 \
> tst-initializers1 $(addprefix tst-initializers1-,c89 gnu89 c99 gnu99) \
> - tst-bad-schedattr
> + tst-bad-schedattr \
> + tst-cnd-basic tst-mtx-trylock tst-cnd-broadcast \
> + tst-thrd-basic tst-cnd-timedwait tst-thrd-detach \
> + tst-mtx-basic tst-thrd-sleep tst-mtx-recursive tst-tss-basic \
> + tst-call-once tst-mtx-timedlock
> +
> xtests = tst-setuid1 tst-setuid1-static tst-setuid2 \
> tst-mutexpp1 tst-mutexpp6 tst-mutexpp10
> test-srcs = tst-oddstacklimit
> diff --git a/nptl/tst-call-once.c b/nptl/tst-call-once.c
> new file mode 100644
> index 0000000..9eeb5c2
> --- /dev/null
> +++ b/nptl/tst-call-once.c
> @@ -0,0 +1,77 @@
> +/* Copyright (C) 2015 Free Software Foundation, Inc.
> + This file is part of the GNU C Library.
> +
> + The GNU C Library is free software; you can redistribute it and/or
> + modify it under the terms of the GNU Lesser General Public
> + License as published by the Free Software Foundation; either
> + version 2.1 of the License, or (at your option) any later version.
> +
> + The GNU C Library is distributed in the hope that it will be useful,
> + but WITHOUT ANY WARRANTY; without even the implied warranty of
> + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> + Lesser General Public License for more details.
> +
> + You should have received a copy of the GNU Lesser General Public
> + License along with the GNU C Library; if not, see
> + <http://www.gnu.org/licenses/>. */
> +
> +#include <threads.h>
> +#include <stdio.h>
> +#include <unistd.h>
> +
> +
> +/* Flag that controls the first thread access. */
> +static once_flag flag = ONCE_FLAG_INIT;
> +
> +/* Function called only once. */
> +void
> +do_once (void)
> +{
> + printf ("Called once\n");
> +}
> +
> +/* Code executed by each thread. */
> +int
> +func (void* data)
> +{
> + call_once (&flag, do_once);
> + thrd_exit(thrd_success);
> +}
> +
> +
> +#define N 20
> +
> +int
> +do_test (void)
> +{
> +
> + thrd_t ids[N];
> + unsigned char i;
> +
> +
> + /* Create N new threads. */
> + for (i = 0; i < N; ++i)
> + {
> + if (thrd_create (&ids[i], func, NULL) != thrd_success)
> + {
> + printf ("Create failed\n");
> + _exit (1);
> + }
> + }
> +
> + /* Join threads. */
> + for (i = 0; i < N; ++i)
> + {
> + if (thrd_join (ids[i], NULL) != thrd_success)
> + {
> + printf ("Join failed\n");
> + _exit (1);
> + }
> + }
> +
> + return 0;
> +}
> +
> +
> +#define TEST_FUNCTION do_test ()
> +#include "../test-skeleton.c"
> diff --git a/nptl/tst-cnd-basic.c b/nptl/tst-cnd-basic.c
> new file mode 100644
> index 0000000..8e72051
> --- /dev/null
> +++ b/nptl/tst-cnd-basic.c
> @@ -0,0 +1,92 @@
> +/* Copyright (C) 2015 Free Software Foundation, Inc.
> + This file is part of the GNU C Library.
> +
> + The GNU C Library is free software; you can redistribute it and/or
> + modify it under the terms of the GNU Lesser General Public
> + License as published by the Free Software Foundation; either
> + version 2.1 of the License, or (at your option) any later version.
> +
> + The GNU C Library is distributed in the hope that it will be useful,
> + but WITHOUT ANY WARRANTY; without even the implied warranty of
> + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> + Lesser General Public License for more details.
> +
> + You should have received a copy of the GNU Lesser General Public
> + License along with the GNU C Library; if not, see
> + <http://www.gnu.org/licenses/>. */
> +
> +#include <threads.h>
> +#include <stdio.h>
> +#include <unistd.h>
> +
> +/* Shared condition variable between child and parent. */
> +static cnd_t cond;
> +
> +/* Mutex needed to signal and wait threads. */
> +static mtx_t mutex;
> +
> +int
> +signal_parent (void)
> +{
> + /* Send signal to parent. */
> + printf ("Child signaling\n");
> + if (cnd_signal (&cond) != thrd_success)
> + {
> + printf ("Child signal error.\n");
> + _exit (1);
> + }
> +
> + thrd_exit (thrd_success);
> +}
> +
> +int
> +do_test (void)
> +{
> +
> + thrd_t id;
> +
> + /* Initialize cond and mutex. */
> + if (cnd_init (&cond) != thrd_success
> + || mtx_init (&mutex, mtx_plain) != thrd_success)
> + {
> + printf ("Create failed\n");
> + _exit (1);
> + }
> +
> + /* Create new thread. */
> + if (thrd_create (&id, (thrd_start_t) signal_parent, NULL)
> + != thrd_success)
> + {
> + printf ("Create failed\n");
> + _exit (1);
> + }
> +
> + /* Wait on cond, until child thread signals. */
> + if (cnd_wait (&cond, &mutex) != thrd_success)
> + {
> + printf ("Parent lock failed\n");
> + _exit (1);
> + }
> + printf ("Parent received signal, continuing\n");
> +
> + /* Joining is not mandatory here, but still done
> + to assure child thread ends correctly.. */
> + if (thrd_join (id, NULL) != thrd_success)
> + {
> + printf ("Join failed.\n");
> + _exit (1);
> + }
> +
> +
> + /* Destroy mutex. */
> + mtx_destroy (&mutex);
> +
> + /* Destroy cond. */
> + cnd_destroy (&cond);
> +
> + return 0;
> +}
> +
> +
> +#define TEST_FUNCTION do_test ()
> +#include "../test-skeleton.c"
> diff --git a/nptl/tst-cnd-broadcast.c b/nptl/tst-cnd-broadcast.c
> new file mode 100644
> index 0000000..b93c9a9
> --- /dev/null
> +++ b/nptl/tst-cnd-broadcast.c
> @@ -0,0 +1,95 @@
> +/* Copyright (C) 2015 Free Software Foundation, Inc.
> + This file is part of the GNU C Library.
> +
> + The GNU C Library is free software; you can redistribute it and/or
> + modify it under the terms of the GNU Lesser General Public
> + License as published by the Free Software Foundation; either
> + version 2.1 of the License, or (at your option) any later version.
> +
> + The GNU C Library is distributed in the hope that it will be useful,
> + but WITHOUT ANY WARRANTY; without even the implied warranty of
> + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> + Lesser General Public License for more details.
> +
> + You should have received a copy of the GNU Lesser General Public
> + License along with the GNU C Library; if not, see
> + <http://www.gnu.org/licenses/>. */
> +
> +#include <threads.h>
> +#include <stdio.h>
> +#include <unistd.h>
> +
> +/* Condition variable where child threads will wait. */
> +cnd_t cond;
> +
> +/* Mutex to control wait on cond. */
> +mtx_t mutex;
> +
> +/* Code executed by each thread. */
> +int
> +child_wait (void* data)
> +{
> + printf ("Arrived\n");
> + /* Wait until parent thread sends broadcast here. */
> + mtx_lock (&mutex);
> + cnd_wait (&cond, &mutex);
> + mtx_unlock (&mutex);
> +
> + printf ("Freed thread\n");
> + thrd_exit (thrd_success);
> +}
> +
> +#define N 5
> +
> +int
> +do_test (void)
> +{
> +
> + thrd_t ids[N];
> + unsigned char i;
> +
> + cnd_init (&cond);
> + mtx_init (&mutex, mtx_plain);
> +
> + /* Create N new threads. */
> + for (i = 0; i < N; ++i)
> + {
> + if (thrd_create (&ids[i], child_wait, NULL) != thrd_success)
> + {
> + printf ("Create failed\n");
> + _exit (1);
> + }
> + }
> +
> + /* Wait for other threads to reach their wait func. */
> + thrd_sleep (&((struct timespec){.tv_sec = 2}), NULL);
> +
> + /* Send broadcast. */
> + mtx_lock (&mutex);
> + if (cnd_broadcast (&cond) != thrd_success)
> + {
> + printf ("Broadcast error");
> + _exit (1);
> + }
> + mtx_unlock (&mutex);
> +
> + /* Join threads. */
> + for (i = 0; i < N; ++i)
> + {
> + if (thrd_join (ids[i], NULL) != thrd_success)
> + {
> + printf ("Join failed\n");
> + _exit (1);
> + }
> + }
> +
> +
> + mtx_destroy (&mutex);
> + cnd_destroy (&cond);
> +
> + return 0;
> +}
> +
> +
> +#define TEST_FUNCTION do_test ()
> +#include "../test-skeleton.c"
> diff --git a/nptl/tst-cnd-timedwait.c b/nptl/tst-cnd-timedwait.c
> new file mode 100644
> index 0000000..c8aff19
> --- /dev/null
> +++ b/nptl/tst-cnd-timedwait.c
> @@ -0,0 +1,104 @@
> +/* Copyright (C) 2015 Free Software Foundation, Inc.
> + This file is part of the GNU C Library.
> +
> + The GNU C Library is free software; you can redistribute it and/or
> + modify it under the terms of the GNU Lesser General Public
> + License as published by the Free Software Foundation; either
> + version 2.1 of the License, or (at your option) any later version.
> +
> + The GNU C Library is distributed in the hope that it will be useful,
> + but WITHOUT ANY WARRANTY; without even the implied warranty of
> + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> + Lesser General Public License for more details.
> +
> + You should have received a copy of the GNU Lesser General Public
> + License along with the GNU C Library; if not, see
> + <http://www.gnu.org/licenses/>. */
> +
> +#include <threads.h>
> +#include <stdio.h>
> +#include <unistd.h>
> +
> +/* Shared condition variable between child and parent. */
> +static cnd_t cond;
> +
> +/* Mutex needed to signal and wait threads. */
> +static mtx_t mutex;
> +
> +int
> +signal_parent (void)
> +{
> + /* Send signal to parent. */
> + printf ("Child signaling\n");
> + if (cnd_signal (&cond) != thrd_success)
> + {
> + printf ("Child signal error.\n");
> + _exit (1);
> + }
> +
> + //thrd_exit(thrd_success);
> + return 0;
> +}
> +
> +int
> +do_test (void)
> +{
> +
> + thrd_t id;
> + struct timespec w_time;
> +
> + /* Initialize cond and mutex. */
> + if (cnd_init (&cond) != thrd_success
> + || mtx_init (&mutex, mtx_timed) != thrd_success)
> + {
> + printf ("Create failed\n");
> + _exit (1);
> + }
> +
> + /* Initialize waiting time. */
> + clock_gettime (CLOCK_REALTIME, &w_time);
> + w_time.tv_nsec += 150000;
> +
> + /* Create new thread. */
> + if (thrd_create (&id, (thrd_start_t) signal_parent, NULL)
> + != thrd_success)
> + {
> + printf ("Create failed\n");
> + _exit (1);
> + }
> +
> + /* Wait on cond, until child thread signals. */
> + switch (cnd_timedwait (&cond, &mutex, &w_time))
> + {
> + case thrd_error:
> + printf ("Parent lock failed\n");
> + _exit (1);
> + case thrd_timedout:
> + printf ("Waiting too long, leaving\n");
> + break;
> + case thrd_success:
> + printf ("Signaled successfully,\n");
> + break;
> + }
> +
> + /* Joining is not mandatory here, but still done
> + to assure child thread ends correctly.. */
> + if (thrd_join (id, NULL) != thrd_success)
> + {
> + printf ("Join failed.\n");
> + _exit (1);
> + }
> +
> +
> + /* Destroy mutex. */
> + mtx_destroy (&mutex);
> +
> + /* Destroy cond. */
> + cnd_destroy (&cond);
> +
> + return 0;
> +}
> +
> +
> +#define TEST_FUNCTION do_test ()
> +#include "../test-skeleton.c"
> diff --git a/nptl/tst-mtx-basic.c b/nptl/tst-mtx-basic.c
> new file mode 100644
> index 0000000..ea7fdc6
> --- /dev/null
> +++ b/nptl/tst-mtx-basic.c
> @@ -0,0 +1,112 @@
> +/* Copyright (C) 2015 Free Software Foundation, Inc.
> + This file is part of the GNU C Library.
> +
> + The GNU C Library is free software; you can redistribute it and/or
> + modify it under the terms of the GNU Lesser General Public
> + License as published by the Free Software Foundation; either
> + version 2.1 of the License, or (at your option) any later version.
> +
> + The GNU C Library is distributed in the hope that it will be useful,
> + but WITHOUT ANY WARRANTY; without even the implied warranty of
> + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> + Lesser General Public License for more details.
> +
> + You should have received a copy of the GNU Lesser General Public
> + License along with the GNU C Library; if not, see
> + <http://www.gnu.org/licenses/>. */
> +
> +#include <threads.h>
> +#include <stdio.h>
> +#include <unistd.h>
> +
> +/* Shared mutex between child and parent. */
> +static mtx_t mutex;
> +
> +/* Shared counter to check possible race conditions. */
> +static char shrd_counter;
> +
> +int
> +child_add (void)
> +{
> + /* Lock mutex. */
> + if (mtx_lock (&mutex) != thrd_success)
> + {
> + printf ("Child lock error.\n");
> + _exit (1);
> + }
> +
> + /* Critical section. */
> + printf ("Child locking\n");
> + ++shrd_counter;
> + printf ("Child unlocking\n");
> +
> + /* Unlock mutex. */
> + if (mtx_unlock (&mutex) != thrd_success)
> + {
> + printf ("Child unlock error.\n");
> + _exit (1);
> + }
> + thrd_exit (thrd_success);
> +}
> +
> +int
> +do_test (void)
> +{
> +
> + thrd_t id;
> +
> + /* Initialize mutex. */
> + mtx_init (&mutex, mtx_plain);
> +
> + /* Create new thread. */
> + if (thrd_create (&id, (thrd_start_t) child_add, NULL) != thrd_success)
> + {
> + printf ("Create failed\n");
> + _exit (1);
> + }
> + else
> + printf ("Created thread\n");
> +
> +
> + if (mtx_lock (&mutex) != thrd_success)
> + {
> + printf ("Parent lock failed\n");
> + _exit (1);
> + }
> +
> + /* Critical section. */
> + printf ("Parent locking\n");
> + ++shrd_counter;
> + printf ("Parent unlocking\n");
> +
> + /* Unlock mutex. */
> + if (mtx_unlock (&mutex) != thrd_success)
> + {
> + printf ("Parent unlock error.\n");
> + _exit (1);
> + }
> +
> +
> + /* Still have to wait until child is done. */
> + if (thrd_join (id, NULL) != thrd_success)
> + {
> + printf ("Join failed.\n");
> + _exit (1);
> + }
> +
> + /* Check result. */
> + if (shrd_counter != 2)
> + {
> + printf ("Counter has a wrong value.\n");
> + _exit (1);
> + }
> +
> + /* Destroy mutex. */
> + mtx_destroy (&mutex);
> +
> + return 0;
> +}
> +
> +
> +#define TEST_FUNCTION do_test ()
> +#include "../test-skeleton.c"
> diff --git a/nptl/tst-mtx-recursive.c b/nptl/tst-mtx-recursive.c
> new file mode 100644
> index 0000000..e28faed
> --- /dev/null
> +++ b/nptl/tst-mtx-recursive.c
> @@ -0,0 +1,57 @@
> +/* Copyright (C) 2015 Free Software Foundation, Inc.
> + This file is part of the GNU C Library.
> +
> + The GNU C Library is free software; you can redistribute it and/or
> + modify it under the terms of the GNU Lesser General Public
> + License as published by the Free Software Foundation; either
> + version 2.1 of the License, or (at your option) any later version.
> +
> + The GNU C Library is distributed in the hope that it will be useful,
> + but WITHOUT ANY WARRANTY; without even the implied warranty of
> + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> + Lesser General Public License for more details.
> +
> + You should have received a copy of the GNU Lesser General Public
> + License along with the GNU C Library; if not, see
> + <http://www.gnu.org/licenses/>. */
> +
> +#include <threads.h>
> +#include <stdio.h>
> +#include <unistd.h>
> +
> +
> +int
> +do_test (void)
> +{
> +
> + static mtx_t mutex;
> +
> + /* Initialize mutex. */
> + mtx_init (&mutex, mtx_recursive);
> +
> + /* Lock mutex first time. */
> + if (mtx_lock (&mutex) != thrd_success)
> + {
> + printf ("First lock failed\n");
> + _exit (1);
> + }
> + else
> + printf ("Mutex locked once\n");
> +
> + /* Lock mutex second time, if not recursive should deadlock. */
> + if (mtx_lock (&mutex) != thrd_success)
> + {
> + printf ("Second lock failed\n");
> + _exit (1);
> + }
> + else
> + printf ("Mutex locked twice\n");
> +
> + /* Destroy mutex. */
> + mtx_destroy (&mutex);
> +
> + return 0;
> +}
> +
> +#define TEST_FUNCTION do_test ()
> +#include "../test-skeleton.c"
> diff --git a/nptl/tst-mtx-timedlock.c b/nptl/tst-mtx-timedlock.c
> new file mode 100644
> index 0000000..5bfec09
> --- /dev/null
> +++ b/nptl/tst-mtx-timedlock.c
> @@ -0,0 +1,124 @@
> +/* Copyright (C) 2015 Free Software Foundation, Inc.
> + This file is part of the GNU C Library.
> +
> + The GNU C Library is free software; you can redistribute it and/or
> + modify it under the terms of the GNU Lesser General Public
> + License as published by the Free Software Foundation; either
> + version 2.1 of the License, or (at your option) any later version.
> +
> + The GNU C Library is distributed in the hope that it will be useful,
> + but WITHOUT ANY WARRANTY; without even the implied warranty of
> + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> + Lesser General Public License for more details.
> +
> + You should have received a copy of the GNU Lesser General Public
> + License along with the GNU C Library; if not, see
> + <http://www.gnu.org/licenses/>. */
> +
> +#include <threads.h>
> +#include <stdio.h>
> +#include <unistd.h>
> +
> +/* Shared mutex between child and parent. */
> +static mtx_t mutex;
> +
> +/* Shared counter to check possible race conditions. */
> +static char shrd_counter;
> +
> +/* Maximum amount of time waiting for mutex. */
> +static struct timespec wait_time;
> +
> +/* Function to choose an action to do, depending on mtx_timedlock
> + return value. */
> +static inline void
> +choose_action (int action, char* thread_name)
> +{
> + switch (action)
> + {
> + case thrd_success:
> +
> + /* Critical section. */
> + printf ("%s locking.\n", thread_name);
> + ++shrd_counter;
> + printf ("%s unlocking.\n", thread_name);
> +
> + /* Unlock mutex. */
> + if (mtx_unlock (&mutex) != thrd_success)
> + {
> + printf ("%s unlock error.\n", thread_name);
> + _exit (1);
> + }
> + break;
> +
> + case thrd_timedout:
> + printf ("Waiting for mutex too long, %s leaving.\n", thread_name);
> + break;
> +
> + case thrd_error:
> + printf ("%s lock error.\n", thread_name);
> + _exit (1);
> + break;
> + }
> +
> +}
> +
> +int
> +child_add (void)
> +{
> + char child_name[] = "Child";
> +
> + /* Try to lock mutex. */
> + choose_action (mtx_timedlock (&mutex, &wait_time), child_name);
> + thrd_exit (thrd_success);
> +}
> +
> +int
> +do_test (void)
> +{
> + thrd_t id;
> + char parent_name[] = "Parent";
> +
> + /* Initialize mutex. */
> + mtx_init (&mutex, mtx_timed);
> +
> + /* Initialize waiting time. */
> + clock_gettime (CLOCK_REALTIME, &wait_time);
> + /* Tiny amount of time, to assure that if any thread
> + finds it busy, will receive thrd_timedout. */
> + wait_time.tv_nsec += 1;
> +
> +
> +
> + /* Create new thread. */
> + if (thrd_create (&id, (thrd_start_t) child_add, NULL) != thrd_success)
> + {
> + printf ("Create failed\n");
> + _exit (1);
> + }
> +
> + /* Try to lock mutex. */
> + choose_action (mtx_timedlock (&mutex, &wait_time), parent_name);
> +
> + /* Still have to wait until child is done. */
> + if (thrd_join (id, NULL) != thrd_success)
> + {
> + printf ("Join failed.\n");
> + _exit (1);
> + }
> +
> + /* Check result. */
> + if (shrd_counter != 2 && shrd_counter != 1)
> + {
> + printf ("Counter has a wrong value: %i.\n", shrd_counter);
> + _exit (1);
> + }
> +
> + /* Destroy mutex. */
> + mtx_destroy (&mutex);
> +
> + return 0;
> +}
> +
> +
> +#define TEST_FUNCTION do_test ()
> +#include "../test-skeleton.c"
> diff --git a/nptl/tst-mtx-trylock.c b/nptl/tst-mtx-trylock.c
> new file mode 100644
> index 0000000..fa75066
> --- /dev/null
> +++ b/nptl/tst-mtx-trylock.c
> @@ -0,0 +1,114 @@
> +/* Copyright (C) 2015 Free Software Foundation, Inc.
> + This file is part of the GNU C Library.
> +
> + The GNU C Library is free software; you can redistribute it and/or
> + modify it under the terms of the GNU Lesser General Public
> + License as published by the Free Software Foundation; either
> + version 2.1 of the License, or (at your option) any later version.
> +
> + The GNU C Library is distributed in the hope that it will be useful,
> + but WITHOUT ANY WARRANTY; without even the implied warranty of
> + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> + Lesser General Public License for more details.
> +
> + You should have received a copy of the GNU Lesser General Public
> + License along with the GNU C Library; if not, see
> + <http://www.gnu.org/licenses/>. */
> +
> +#include <threads.h>
> +#include <stdio.h>
> +#include <unistd.h>
> +
> +/* Shared mutex between child and parent. */
> +static mtx_t mutex;
> +
> +/* Shared counter to check possible race conditions. */
> +static char shrd_counter;
> +
> +/* Function to choose an action to do, depending on mtx_trylock
> + return value. */
> +static inline void
> +choose_action (int action, char* thread_name)
> +{
> + switch (action)
> + {
> + case thrd_success:
> +
> + /* Critical section. */
> + printf ("%s locking\n", thread_name);
> + ++shrd_counter;
> + printf ("%s unlocking\n", thread_name);
> +
> + /* Unlock mutex. */
> + if (mtx_unlock (&mutex) != thrd_success)
> + {
> + printf ("%s unlock error.\n", thread_name);
> + _exit (1);
> + }
> + break;
> +
> + case thrd_busy:
> + printf ("Mutex is taken, %s leaving.\n", thread_name);
> + break;
> +
> + case thrd_error:
> + printf ("%s lock error.\n", thread_name);
> + _exit (1);
> + break;
> + }
> +
> +}
> +
> +int
> +child_add (void)
> +{
> + char child_name[] = "Child";
> +
> + /* Try to lock mutex. */
> + choose_action (mtx_trylock (&mutex), child_name);
> +
> + thrd_exit(thrd_success);
> +}
> +
> +int
> +do_test (void)
> +{
> + thrd_t id;
> + char parent_name[] = "Parent";
> +
> + /* Initialize mutex. */
> + mtx_init (&mutex, mtx_plain);
> +
> + /* Create new thread. */
> + if (thrd_create (&id, (thrd_start_t) child_add, NULL) != thrd_success)
> + {
> + printf ("Create failed\n");
> + _exit (1);
> + }
> +
> + /* Try to lock mutex. */
> + choose_action (mtx_trylock (&mutex), parent_name);
> +
> + /* Still have to wait until child is done. */
> + if (thrd_join (id, NULL) != thrd_success)
> + {
> + printf ("Join failed.\n");
> + _exit (1);
> + }
> +
> + /* Check result. */
> + if (shrd_counter != 2 && shrd_counter != 1)
> + {
> + printf ("Counter has a wrong value: %i.\n", shrd_counter);
> + _exit (1);
> + }
> +
> + /* Destroy mutex. */
> + mtx_destroy (&mutex);
> +
> + return 0;
> +}
> +
> +
> +#define TEST_FUNCTION do_test ()
> +#include "../test-skeleton.c"
> diff --git a/nptl/tst-thrd-basic.c b/nptl/tst-thrd-basic.c
> new file mode 100644
> index 0000000..53e0888
> --- /dev/null
> +++ b/nptl/tst-thrd-basic.c
> @@ -0,0 +1,63 @@
> +/* Copyright (C) 2015 Free Software Foundation, Inc.
> + This file is part of the GNU C Library.
> +
> + The GNU C Library is free software; you can redistribute it and/or
> + modify it under the terms of the GNU Lesser General Public
> + License as published by the Free Software Foundation; either
> + version 2.1 of the License, or (at your option) any later version.
> +
> + The GNU C Library is distributed in the hope that it will be useful,
> + but WITHOUT ANY WARRANTY; without even the implied warranty of
> + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> + Lesser General Public License for more details.
> +
> + You should have received a copy of the GNU Lesser General Public
> + License along with the GNU C Library; if not, see
> + <http://www.gnu.org/licenses/>. */
> +
> +#include <threads.h>
> +#include <stdio.h>
> +#include <unistd.h>
> +
> +
> +int
> +print_id (void *parent_id)
> +{
> + printf ("Thread ID: %lu, Parent ID: %lu\n", thrd_current (),
> + (thrd_t) parent_id);
> + thrd_exit (thrd_success);
> +}
> +
> +int
> +do_test (void)
> +{
> +
> + thrd_t id;
> + int ret_val;
> +
> + /* Create new thread. */
> + if (thrd_create (&id, print_id, (void *) thrd_current ()) != thrd_success)
> + {
> + printf ("Create failed\n");
> + _exit (1);
> + }
> + else
> + printf ("Created thread\n");
> +
> +
> + if (thrd_join (id, &ret_val) != thrd_success)
> + {
> + printf ("Join failed\n");
> + _exit (1);
> + }
> + else
> + printf ("Joined thread\n");
> +
> + printf ("Child returned %u\n", ret_val);
> +
> + return 0;
> +}
> +
> +
> +#define TEST_FUNCTION do_test ()
> +#include "../test-skeleton.c"
> diff --git a/nptl/tst-thrd-detach.c b/nptl/tst-thrd-detach.c
> new file mode 100644
> index 0000000..ca0d7b0
> --- /dev/null
> +++ b/nptl/tst-thrd-detach.c
> @@ -0,0 +1,61 @@
> +/* Copyright (C) 2015 Free Software Foundation, Inc.
> + This file is part of the GNU C Library.
> +
> + The GNU C Library is free software; you can redistribute it and/or
> + modify it under the terms of the GNU Lesser General Public
> + License as published by the Free Software Foundation; either
> + version 2.1 of the License, or (at your option) any later version.
> +
> + The GNU C Library is distributed in the hope that it will be useful,
> + but WITHOUT ANY WARRANTY; without even the implied warranty of
> + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> + Lesser General Public License for more details.
> +
> + You should have received a copy of the GNU Lesser General Public
> + License along with the GNU C Library; if not, see
> + <http://www.gnu.org/licenses/>. */
> +
> +#include <threads.h>
> +#include <time.h>
> +#include <stdio.h>
> +#include <unistd.h>
> +
> +
> +int
> +dtch_thrd (void)
> +{
> +
> + if (thrd_detach (thrd_current ()) != thrd_success)
> + {
> + printf ("Detach failed\n");
> + _exit (1);
> + }
> + else
> + printf ("Succesfully detached\n");
> +
> + return 0;
> +}
> +
> +int
> +do_test (void)
> +{
> +
> + thrd_t id;
> +
> + /* Create new thread. */
> + if (thrd_create (&id, (thrd_start_t) dtch_thrd, NULL) != thrd_success)
> + {
> + printf ("Create failed\n");
> + _exit (1);
> + }
> + else
> + printf ("Created thread\n");
> +
> + thrd_sleep (&(struct timespec){.tv_sec = 2}, NULL);
> +
> + return 0;
> +}
> +
> +
> +#define TEST_FUNCTION do_test ()
> +#include "../test-skeleton.c"
> diff --git a/nptl/tst-thrd-sleep.c b/nptl/tst-thrd-sleep.c
> new file mode 100644
> index 0000000..8557c6b
> --- /dev/null
> +++ b/nptl/tst-thrd-sleep.c
> @@ -0,0 +1,71 @@
> +/* Copyright (C) 2015 Free Software Foundation, Inc.
> + This file is part of the GNU C Library.
> +
> + The GNU C Library is free software; you can redistribute it and/or
> + modify it under the terms of the GNU Lesser General Public
> + License as published by the Free Software Foundation; either
> + version 2.1 of the License, or (at your option) any later version.
> +
> + The GNU C Library is distributed in the hope that it will be useful,
> + but WITHOUT ANY WARRANTY; without even the implied warranty of
> + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> + Lesser General Public License for more details.
> +
> + You should have received a copy of the GNU Lesser General Public
> + License along with the GNU C Library; if not, see
> + <http://www.gnu.org/licenses/>. */
> +
> +#include <threads.h>
> +#include <time.h>
> +#include <stdio.h>
> +#include <unistd.h>
> +
> +
> +int
> +go_to_sleep (struct timespec const *tl)
> +{
> +
> + printf ("Time before sleeping: %s", ctime (&(time_t){time(NULL)}));
> + if (thrd_sleep (tl, NULL) != 0)
> + {
> + printf ("Sleep failed\n");
> + _exit (1);
> + }
> + printf ("Time after sleeping: %s", ctime (&(time_t){time(NULL)}));
> +
> + return 0;
> +}
> +
> +int
> +do_test (void)
> +{
> +
> + thrd_t id;
> + /* Wait for 3 seconds. */
> + struct timespec wait_time = {.tv_sec = 3};
> +
> + /* Create new thread. */
> + if (thrd_create (&id, (thrd_start_t) go_to_sleep,
> + (void *) (&wait_time)) != thrd_success)
> + {
> + printf ("Create failed\n");
> + _exit (1);
> + }
> + else
> + printf ("Created thread\n");
> +
> +
> + if (thrd_join (id, NULL) != thrd_success)
> + {
> + printf ("Join failed\n");
> + _exit (1);
> + }
> + else
> + printf ("Joined thread\n");
> +
> + return 0;
> +}
> +
> +
> +#define TEST_FUNCTION do_test ()
> +#include "../test-skeleton.c"
> diff --git a/nptl/tst-tss-basic.c b/nptl/tst-tss-basic.c
> new file mode 100644
> index 0000000..0064c63
> --- /dev/null
> +++ b/nptl/tst-tss-basic.c
> @@ -0,0 +1,70 @@
> +/* Copyright (C) 2015 Free Software Foundation, Inc.
> + This file is part of the GNU C Library.
> +
> + The GNU C Library is free software; you can redistribute it and/or
> + modify it under the terms of the GNU Lesser General Public
> + License as published by the Free Software Foundation; either
> + version 2.1 of the License, or (at your option) any later version.
> +
> + The GNU C Library is distributed in the hope that it will be useful,
> + but WITHOUT ANY WARRANTY; without even the implied warranty of
> + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
> + Lesser General Public License for more details.
> +
> + You should have received a copy of the GNU Lesser General Public
> + License along with the GNU C Library; if not, see
> + <http://www.gnu.org/licenses/>. */
> +
> +#include <threads.h>
> +#include <stdio.h>
> +#include <unistd.h>
> +
> +/* Thread specific storage. */
> +tss_t key;
> +
> +int
> +print_id (void *val)
> +{
> + tss_create (&key, NULL);
> + tss_set (key, (void *) 0xff);
> + printf ("Child key: %u\n", key);
> + printf ("Child value: %p\n", tss_get (key));
> +
> +
> + thrd_exit(thrd_success);
> +}
> +
> +int
> +do_test (void)
> +{
> +
> + thrd_t id;
> + int ret_val;
> +
> + /* Create new thread. */
> + if (thrd_create (&id, print_id, NULL) != thrd_success)
> + {
> + printf ("Create failed\n");
> + _exit (1);
> + }
> +
> + if (thrd_join (id, &ret_val) != thrd_success)
> + {
> + printf ("Join failed\n");
> + _exit (1);
> + }
> + else
> + printf ("Joined thread\n");
> +
> + /* We check parent has the same key value, but
> + no value, because was not assigned. */
> + printf ("Parent key: %u\n", key);
> + printf ("Parent value: %p\n", tss_get (key));
> + tss_delete (key);
> +
> + return 0;
> +}
> +
> +
> +#define TEST_FUNCTION do_test ()
> +#include "../test-skeleton.c"
> --
> 2.4.3
--
Juan Manuel Torres Palma.
Computer Science Student at Universidad de Granada.