[PATCH 1/1] v3: Implemention of Condclockwait and Test
Joel Sherrill
joel at rtems.org
Mon Sep 13 23:37:58 UTC 2021
On Wed, Aug 25, 2021 at 7:42 AM Matt Joyce <mfjoyce2004 at gmail.com> wrote:
>
> Added implementation of the pthread_cond_clockwait()
> method to cpukit/posix/src/condclockwait.c. Additional
> logic added to condwaitsupp.c to implement the new
> method. Pthread_cond_clockwait() has been added to the
> Issue 8 POSIX Standard.
>
> psxcond03 test added to testsuites/psxtests to test the
> newly added method.
> ---
> cpukit/include/rtems/posix/condimpl.h | 9 +-
> cpukit/posix/src/condclockwait.c | 78 +++
> cpukit/posix/src/condtimedwait.c | 3 +-
> cpukit/posix/src/condwait.c | 1 +
> cpukit/posix/src/condwaitsupp.c | 118 ++++-
> spec/build/testsuites/psxtests/grp.yml | 2 +
> spec/build/testsuites/psxtests/psxcond03.yml | 20 +
> testsuites/psxtests/Makefile.am | 9 +
> testsuites/psxtests/configure.ac | 1 +
> testsuites/psxtests/psxcond03/init.c | 466 ++++++++++++++++++
> testsuites/psxtests/psxcond03/psxcond03.doc | 44 ++
> testsuites/psxtests/psxcond03/psxcond03.scn | 3 +
> testsuites/psxtests/psxcond03/system.h | 61 +++
> .../psxhdrs/pthread/pthread_cond_clockwait.c | 2 +-
> 14 files changed, 791 insertions(+), 26 deletions(-)
> create mode 100644 cpukit/posix/src/condclockwait.c
> create mode 100644 spec/build/testsuites/psxtests/psxcond03.yml
> create mode 100644 testsuites/psxtests/psxcond03/init.c
> create mode 100644 testsuites/psxtests/psxcond03/psxcond03.doc
> create mode 100644 testsuites/psxtests/psxcond03/psxcond03.scn
> create mode 100644 testsuites/psxtests/psxcond03/system.h
>
> diff --git a/cpukit/include/rtems/posix/condimpl.h b/cpukit/include/rtems/posix/condimpl.h
> index 66e09bf6d8..aa6e5c420e 100644
> --- a/cpukit/include/rtems/posix/condimpl.h
> +++ b/cpukit/include/rtems/posix/condimpl.h
> @@ -39,6 +39,8 @@ typedef struct {
>
> #define POSIX_CONDITION_VARIABLES_MAGIC 0x18dfb1feUL
>
> +#define CLOCK_NOT_SPECIFIED 0xdeadbeef
> +
> /**
> * Constant to indicate condition variable does not currently have
> * a mutex assigned to it.
> @@ -150,9 +152,10 @@ int _POSIX_Condition_variables_Signal_support(
> * timed wait version of condition variable wait routines.
> */
> int _POSIX_Condition_variables_Wait_support(
> - pthread_cond_t *cond,
> - pthread_mutex_t *mutex,
> - const struct timespec *abstime
> + pthread_cond_t *restrict cond,
> + pthread_mutex_t *restrict mutex,
> + clockid_t clock_id,
> + const struct timespec *restrict abstime
Are these lined up properly? They don't look like it in the patch.
> );
>
> bool _POSIX_Condition_variables_Auto_initialization(
> diff --git a/cpukit/posix/src/condclockwait.c b/cpukit/posix/src/condclockwait.c
> new file mode 100644
> index 0000000000..c2f071a749
> --- /dev/null
> +++ b/cpukit/posix/src/condclockwait.c
> @@ -0,0 +1,78 @@
> +/**
> + * @file
> + *
> + * @ingroup POSIXAPI
> + *
> + * @brief Waiting on a Condition
> + */
> +
> +/*
> +* Copyright (C) 2021 Matthew Joyce
> +*
> +* Redistribution and use in source and binary forms, with or without
> +* modification, are permitted provided that the following conditions
> +* are met:
> +* 1. Redistributions of source code must retain the above copyright
> +* notice, this list of conditions and the following disclaimer.
> +* 2. Redistributions in binary form must reproduce the above copyright
> +* notice, this list of conditions and the following disclaimer in the
> +* documentation and/or other materials provided with the distribution.
> +*
> +* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
> +* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> +* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> +* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
> +* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
> +* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
> +* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
> +* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
> +* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
> +* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
> +* POSSIBILITY OF SUCH DAMAGE.
> +*/
> +
> +/* Defining to have access to function prototype in libc/include/pthread.h */
> +#define _GNU_SOURCE
> +
> +#ifdef HAVE_CONFIG_H
> +#include "config.h"
> +#endif
> +
> +#include <rtems/posix/condimpl.h>
> +#include <rtems/score/todimpl.h>
> +
> +/*
> + * pthread_cond_clockwait() appears in the Issue 8 POSIX Standard
> + */
> +int pthread_cond_clockwait(
> + pthread_cond_t *restrict cond,
> + pthread_mutex_t *restrict mutex,
> + clockid_t clock_id,
> + const struct timespec *restrict abstime
> +)
> +{
> + /*
> + * POSIX Issue 8 does not specify that EINVAL is returned when abstime
> + * equals NULL.
> + */
> + if ( abstime == NULL ) {
I think a space is missing between the ) and the {
> + return EINVAL;
> + }
> +
> + /*
> + * POSIX Issue 8 specifies that EINVAL is returned when the clock is not
> + * supported.
> + */
> + if ( clock_id != CLOCK_REALTIME ) {
> + if ( clock_id != CLOCK_MONOTONIC ) {
Twice more
> + return EINVAL;
> + }
> + }
> +
> + return _POSIX_Condition_variables_Wait_support(
> + cond,
> + mutex,
> + clock_id,
> + abstime
> + );
> +}
> diff --git a/cpukit/posix/src/condtimedwait.c b/cpukit/posix/src/condtimedwait.c
> index 0bc8bfc18e..cefd1d6cb6 100644
> --- a/cpukit/posix/src/condtimedwait.c
> +++ b/cpukit/posix/src/condtimedwait.c
> @@ -36,8 +36,9 @@ int pthread_cond_timedwait(
> return EINVAL; /* not specified */
> }
> return _POSIX_Condition_variables_Wait_support(
> - cond,
> + cond,
What changed here? Was there some spacing issue?
> mutex,
> + CLOCK_NOT_SPECIFIED,
> abstime
> );
> }
> diff --git a/cpukit/posix/src/condwait.c b/cpukit/posix/src/condwait.c
> index 09431e216d..85ca8e27c7 100644
> --- a/cpukit/posix/src/condwait.c
> +++ b/cpukit/posix/src/condwait.c
> @@ -54,6 +54,7 @@ int pthread_cond_wait(
> return _POSIX_Condition_variables_Wait_support(
> cond,
> mutex,
> + CLOCK_NOT_SPECIFIED,
> NULL
> );
> }
> diff --git a/cpukit/posix/src/condwaitsupp.c b/cpukit/posix/src/condwaitsupp.c
> index ee2f8a0787..d332fc1950 100644
> --- a/cpukit/posix/src/condwaitsupp.c
> +++ b/cpukit/posix/src/condwaitsupp.c
> @@ -26,6 +26,57 @@
> #include <rtems/score/status.h>
> #include <rtems/score/threaddispatch.h>
>
> +#ifdef CLOCK_REALTIME_COARSE
> + RTEMS_STATIC_ASSERT(
> + ( CLOCK_NOT_SPECIFIED != CLOCK_REALTIME_COARSE),
> + "CLOCK_NOT_SPECIFIED conflicts with existing POSIX defined clock/n" );
> +#endif
> +#ifdef CLOCK_PROCESS_CPUTIME_ID
> + RTEMS_STATIC_ASSERT(
> + ( CLOCK_NOT_SPECIFIED != CLOCK_PROCESS_CPUTIME_ID),
> + "CLOCK_NOT_SPECIFIED conflicts with existing POSIX defined clock/n" );
> +#endif
> +#ifdef CLOCK_REALTIME
> + RTEMS_STATIC_ASSERT(
> + ( CLOCK_NOT_SPECIFIED != CLOCK_REALTIME),
> + "CLOCK_NOT_SPECIFIED conflicts with existing POSIX defined clock/n" );
> +#endif
> +#ifdef CLOCK_THREAD_CPUTIME_ID
> + RTEMS_STATIC_ASSERT(
> + ( CLOCK_NOT_SPECIFIED != CLOCK_THREAD_CPUTIME_ID),
> + "CLOCK_NOT_SPECIFIED conflicts with existing POSIX defined clock/n" );
> +#endif
> +#ifdef CLOCK_MONOTONIC
> + RTEMS_STATIC_ASSERT(
> + ( CLOCK_NOT_SPECIFIED != CLOCK_MONOTONIC),
> + "CLOCK_NOT_SPECIFIED conflicts with existing POSIX defined clock/n" );
> +#endif
> +#ifdef CLOCK_MONOTONIC_RAW
> + RTEMS_STATIC_ASSERT(
> + ( CLOCK_NOT_SPECIFIED != CLOCK_MONOTONIC_RAW),
> + "CLOCK_NOT_SPECIFIED conflicts with existing POSIX defined clock/n" );
> +#endif
> +#ifdef CLOCK_MONOTONIC_COARSE
> + RTEMS_STATIC_ASSERT(
> + ( CLOCK_NOT_SPECIFIED != CLOCK_MONOTONIC_COARSE),
> + "CLOCK_NOT_SPECIFIED conflicts with existing POSIX defined clock/n" );
> +#endif
I encourage you to add support for these clocks to clock_realtime. :)
> +#ifdef CLOCK_BOOTTIME
> + RTEMS_STATIC_ASSERT(
> + ( CLOCK_NOT_SPECIFIED != CLOCK_BOOTTIME),
> + "CLOCK_NOT_SPECIFIED conflicts with existing POSIX defined clock/n" );
> +#endif
Ditto. This may be the same as CLOCK_MONOTONIC on RTEMS.
> +#ifdef CLOCK_REALTIME_ALARM
> + RTEMS_STATIC_ASSERT(
> + ( CLOCK_NOT_SPECIFIED != CLOCK_REALTIME_ALARM),
> + "CLOCK_NOT_SPECIFIED conflicts with existing POSIX defined clock/n" );
> +#endif
> +#ifdef CLOCK_BOOTTIME_ALARM
> + RTEMS_STATIC_ASSERT(
> + ( CLOCK_NOT_SPECIFIED != CLOCK_BOOTTIME_ALARM),
> + "CLOCK_NOT_SPECIFIED conflicts with existing POSIX defined clock/n" );
> +#endif
> +
I'm not sure what these are but.. implement them you are challenged to. :)
> static void _POSIX_Condition_variables_Mutex_unlock(
> Thread_queue_Queue *queue,
> Thread_Control *the_thread,
> @@ -92,37 +143,68 @@ static void _POSIX_Condition_variables_Enqueue_with_timeout_realtime(
> }
>
> int _POSIX_Condition_variables_Wait_support(
> - pthread_cond_t *cond,
> - pthread_mutex_t *mutex,
> - const struct timespec *abstime
> + pthread_cond_t *restrict cond,
> + pthread_mutex_t *restrict mutex,
> + clockid_t clock_id,
> + const struct timespec *restrict abstime
Check formatting broadly.
> )
> {
> - POSIX_Condition_variables_Control *the_cond;
> - unsigned long flags;
> - Thread_queue_Context queue_context;
> - int error;
> - Thread_Control *executing;
Alignment
> + POSIX_Condition_variables_Control *the_cond;
> + unsigned long flags;
> + Thread_queue_Context queue_context;
> + int error;
> + Thread_Control *executing;
> + pthread_condattr_t attr;
>
> the_cond = _POSIX_Condition_variables_Get( cond );
> POSIX_CONDITION_VARIABLES_VALIDATE_OBJECT( the_cond, flags );
>
> _Thread_queue_Context_initialize( &queue_context );
>
> - if ( abstime != NULL ) {
> - _Thread_queue_Context_set_timeout_argument( &queue_context, abstime, true );
> + _Thread_queue_Context_set_timeout_argument( &queue_context, abstime, true );
> +
> + error = pthread_condattr_init( &attr );
> + _Assert( error == 0 );
> +
> + /*
> + * If the parameter clock_id is not specified, then the clock from the
> + * condition attributes shall be used.
> + */
> + if ( clock_id == CLOCK_NOT_SPECIFIED ) {
> + error = pthread_condattr_getclock( &attr, &clock_id );
> + _Assert( error == 0 );
> + }
>
> - if ( _POSIX_Condition_variables_Get_clock( flags ) == CLOCK_MONOTONIC ) {
> + /*
> + * Now we have the desired clock_id, no matter whether it came from
> + * cond_timedwait or cond_clockwait. If abstime is specified, we use the
> + * clock_id to set the correct timeout.
> + */
> + if ( abstime != NULL ) {
> + /*
> + * We have already validated supported clocks in condclockwait.c.
> + * if clock_id is not CLOCK_MONOTONIC, then it is CLOCK_REALTIME.
> + */
> + if ( clock_id == CLOCK_MONOTONIC ) {
> _Thread_queue_Context_set_enqueue_callout(
> &queue_context,
> _POSIX_Condition_variables_Enqueue_with_timeout_monotonic
> );
> - } else {
> - _Thread_queue_Context_set_enqueue_callout(
> + }
> +
> + else {
Pull the else up like } else {
> + _Thread_queue_Context_set_enqueue_callout(
> &queue_context,
> _POSIX_Condition_variables_Enqueue_with_timeout_realtime
> );
> }
> - } else {
> + }
> +
> + /*
> + * Otherwise, if the abstime parameter is NULL, this is a call to
> + * pthread_cond_wait and no timeout is necessary.
> + */
> + else {
> _Thread_queue_Context_set_enqueue_callout(
> &queue_context,
> _POSIX_Condition_variables_Enqueue_no_timeout
> @@ -138,9 +220,7 @@ int _POSIX_Condition_variables_Wait_support(
> _POSIX_Condition_variables_Release( the_cond, &queue_context );
> return EINVAL;
> }
> -
> the_cond->mutex = mutex;
> -
> _Thread_queue_Context_set_thread_state(
> &queue_context,
> STATES_WAITING_FOR_CONDITION_VARIABLE
> @@ -151,8 +231,8 @@ int _POSIX_Condition_variables_Wait_support(
> executing,
> &queue_context
> );
> +
> error = _POSIX_Get_error_after_wait( executing );
> -
> /*
> * If the thread is interrupted, while in the thread queue, by
> * a POSIX signal, then pthread_cond_wait returns spuriously,
> @@ -160,15 +240,12 @@ int _POSIX_Condition_variables_Wait_support(
> * returns a success status, except for the fact that it was not
> * woken up a pthread_cond_signal() or a pthread_cond_broadcast().
> */
> -
> if ( error == EINTR ) {
> error = 0;
> }
> -
> /*
> * When we get here the dispatch disable level is 0.
> */
> -
> if ( error != EPERM ) {
> int mutex_error;
>
> @@ -178,6 +255,5 @@ int _POSIX_Condition_variables_Wait_support(
> error = EINVAL;
> }
> }
> -
> return error;
> }
> diff --git a/spec/build/testsuites/psxtests/grp.yml b/spec/build/testsuites/psxtests/grp.yml
> index fb7ce465ae..dc55c05124 100644
> --- a/spec/build/testsuites/psxtests/grp.yml
> +++ b/spec/build/testsuites/psxtests/grp.yml
> @@ -87,6 +87,8 @@ links:
> uid: psxcond01
> - role: build-dependency
> uid: psxcond02
> +- role: build-dependency
> + uid: psxcond03
> - role: build-dependency
> uid: psxconfig01
> - role: build-dependency
> diff --git a/spec/build/testsuites/psxtests/psxcond03.yml b/spec/build/testsuites/psxtests/psxcond03.yml
> new file mode 100644
> index 0000000000..c0d53eb04e
> --- /dev/null
> +++ b/spec/build/testsuites/psxtests/psxcond03.yml
> @@ -0,0 +1,20 @@
> +SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause
> +build-type: test-program
> +cflags: []
> +copyrights:
> +- Copyright (C) 2020 embedded brains GmbH (http://www.embedded-brains.de)
> +cppflags: []
> +cxxflags: []
> +enabled-by: true
> +features: c cprogram
> +includes: []
> +ldflags: []
> +links: []
> +source:
> +- testsuites/psxtests/psxcond03/init.c
> +- cpukit/posix/src/condclockwait.c
> +stlib: []
> +target: testsuites/psxtests/psxcond03.exe
> +type: build
> +use-after: []
> +use-before: []
> \ No newline at end of file
> diff --git a/testsuites/psxtests/Makefile.am b/testsuites/psxtests/Makefile.am
> index a35f00b665..de1a87b05f 100755
> --- a/testsuites/psxtests/Makefile.am
> +++ b/testsuites/psxtests/Makefile.am
> @@ -349,6 +349,15 @@ psxcond02_CPPFLAGS = $(AM_CPPFLAGS) $(TEST_FLAGS_psxcond02) \
> $(support_includes) -I$(top_srcdir)/include
> endif
>
> +if TEST_psxcond03
> +psx_tests += psxcond03
> +psx_screens += psxcond03/psxcond03.scn
> +psx_docs += psxcond03/psxcond03.doc
> +psxcond03_SOURCES = psxcond03/init.c psxcond03/system.h include/pmacros.h
> +psxcond03_CPPFLAGS = $(AM_CPPFLAGS) $(TEST_FLAGS_psxcond03) \
> + $(support_includes) -I$(top_srcdir)/include
> +endif
> +
> if TEST_psxconfig01
> psx_tests += psxconfig01
> psx_screens += psxconfig01/psxconfig01.scn
> diff --git a/testsuites/psxtests/configure.ac b/testsuites/psxtests/configure.ac
> index 3f95010cd3..d88f52a846 100644
> --- a/testsuites/psxtests/configure.ac
> +++ b/testsuites/psxtests/configure.ac
> @@ -79,6 +79,7 @@ RTEMS_TEST_CHECK([psxclockrealtime01])
> RTEMS_TEST_CHECK([psxconcurrency01])
> RTEMS_TEST_CHECK([psxcond01])
> RTEMS_TEST_CHECK([psxcond02])
> +RTEMS_TEST_CHECK([psxcond03])
> RTEMS_TEST_CHECK([psxconfig01])
> RTEMS_TEST_CHECK([psxdevctl01])
> RTEMS_TEST_CHECK([psxeintr_join])
> diff --git a/testsuites/psxtests/psxcond03/init.c b/testsuites/psxtests/psxcond03/init.c
> new file mode 100644
> index 0000000000..54d5d5c7a4
> --- /dev/null
> +++ b/testsuites/psxtests/psxcond03/init.c
> @@ -0,0 +1,466 @@
> +/*
> +* Copyright (C) 2021 Matthew Joyce
> +*
> +* Redistribution and use in source and binary forms, with or without
> +* modification, are permitted provided that the following conditions
> +* are met:
> +* 1. Redistributions of source code must retain the above copyright
> +* notice, this list of conditions and the following disclaimer.
> +* 2. Redistributions in binary form must reproduce the above copyright
> +* notice, this list of conditions and the following disclaimer in the
> +* documentation and/or other materials provided with the distribution.
> +*
> +* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
> +* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> +* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> +* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
> +* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
> +* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
> +* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
> +* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
> +* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
> +* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
> +* POSSIBILITY OF SUCH DAMAGE.
> +*/
> +
> +/* Defining in order to access pthread_cond_clockwait in pthread.h */
> +#define _GNU_SOURCE
> +
> +#ifdef HAVE_CONFIG_H
> +#include "config.h"
> +#endif
> +
> +#define CONFIGURE_INIT
> +#include <pthread.h>
> +#include <sched.h>
> +#include <errno.h>
> +#include <rtems.h>
> +#include <tmacros.h>
> +#include "system.h"
> +
> +pthread_cond_t cond = PTHREAD_COND_INITIALIZER;
> +pthread_cond_t bad_cond;
> +pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
> +pthread_mutex_t bad_mutex;
> +pthread_mutex_t new_mutex = PTHREAD_MUTEX_INITIALIZER;
> +clockid_t clock_id1 = CLOCK_MONOTONIC;
> +clockid_t clock_id2 = CLOCK_REALTIME;
> +clockid_t clock_id3 = CLOCK_MONOTONIC_RAW;
> +int count;
> +int eno;
> +int status;
> +const char rtems_test_name[] = "PSXCOND 3";
> +
> +void *POSIX_Init(
> + void *argument
> +)
> +{
> + TEST_BEGIN();
> + pthread_t t1;
> + struct timespec abstime;
> +
> + /* Expected pass: Clock Monotonic with sufficient abstime */
> + abstime.tv_sec = 2;
> + abstime.tv_nsec = 1;
> + status = pthread_create( &t1, NULL, thread_func, NULL );
> + rtems_test_assert( status == 0 );
> + status = pthread_mutex_lock( &mutex );
> + rtems_test_assert( status == 0 );
> + while ( count == 0 ){
> + eno = pthread_cond_clockwait( &cond, &mutex, clock_id1, &abstime );
> + if ( eno != 0 ) {
> + break;
> + }
> + }
> +
> + count -= 1;
> + status = pthread_mutex_unlock( &mutex );
> + rtems_test_assert( status == 0 );
> + rtems_test_assert( eno == 0 );
> + status = pthread_join( t1, NULL );
> + rtems_test_assert( status == 0 );
> +
> + /* Expected fail: Clock Monotonic with insufficient abstime */
> + abstime.tv_sec = 0;
> + abstime.tv_nsec = 1;
> + status = pthread_create( &t1, NULL, thread_func, NULL );
> + rtems_test_assert( status == 0 );
> + status = pthread_mutex_lock( &mutex );
> + rtems_test_assert( status == 0 );
> + while ( count == 0 ){
> + eno = pthread_cond_clockwait( &cond, &mutex, clock_id1, &abstime );
> + if ( eno != 0 ) {
> + break;
> + }
> + }
> +
> + count -= 1;
> + status = pthread_mutex_unlock( &mutex );
> + rtems_test_assert( status == 0 );
> + rtems_test_assert( eno == ETIMEDOUT );
> + status = pthread_join( t1, NULL );
> + rtems_test_assert( status == 0 );
> +
> + /* Expected pass: Clock Realtime with sufficient abstime */
> + status = clock_gettime( clock_id2, &abstime );
> + rtems_test_assert( status == 0 );
> + abstime.tv_sec += 4;
> + abstime.tv_nsec = 1;
> + status = pthread_create( &t1, NULL, thread_func, NULL );
> + rtems_test_assert( status == 0 );
> + status = pthread_mutex_lock( &mutex );
> + rtems_test_assert( status == 0 );
> + while ( count == 0 ){
> + eno = pthread_cond_clockwait( &cond, &mutex, clock_id2, &abstime );
> + if ( eno != 0 ) {
> + break;
> + }
> + }
> +
> + count -= 1;
> + status = pthread_mutex_unlock( &mutex );
> + rtems_test_assert( status == 0 );
> + rtems_test_assert( eno == 0 );
> + status = pthread_join( t1, NULL );
> + rtems_test_assert( status == 0 );
> +
> + /* Expected fail: Clock Realtime with insufficient abstime */
> + status = clock_gettime( clock_id2, &abstime );
> + rtems_test_assert( status == 0 );
> + abstime.tv_sec = 0;
> + abstime.tv_nsec = 1;
> + status = pthread_create( &t1, NULL, thread_func, NULL );
> + rtems_test_assert( status == 0 );
> + status = pthread_mutex_lock( &mutex );
> + rtems_test_assert( status == 0 );
> + while ( count == 0 ){
> + eno = pthread_cond_clockwait( &cond, &mutex, clock_id2, &abstime );
> + if ( eno != 0 ) {
> + break;
> + }
> + }
> +
> + count -= 1;
> + status = pthread_mutex_unlock( &mutex );
> + rtems_test_assert( status == 0 );
> + rtems_test_assert( eno == ETIMEDOUT );
> + status = pthread_join( t1, NULL );
> + rtems_test_assert( status == 0 );
> +
> + /* Expected fail: Unsupported Clock */
> + abstime.tv_sec = 2;
> + abstime.tv_nsec = 1;
> + status = pthread_create( &t1, NULL, thread_func, NULL );
> + rtems_test_assert( status == 0 );
> + status = pthread_mutex_lock( &mutex );
> + rtems_test_assert( status == 0 );
> + while ( count == 0 ){
> + eno = pthread_cond_clockwait( &cond, &mutex, clock_id3, &abstime );
> + if ( eno != 0 ) {
> + break;
> + }
> + }
> +
> + count -= 1;
> + status = pthread_mutex_unlock( &mutex );
> + rtems_test_assert( status == 0 );
> + rtems_test_assert( eno == EINVAL );
> + status = pthread_join( t1, NULL );
> + rtems_test_assert( status == 0 );
> +
> + /* Expected fail: Invalid Clock */
> + abstime.tv_sec = 2;
> + abstime.tv_nsec = 1;
> + status = pthread_create( &t1, NULL, thread_func, NULL );
> + rtems_test_assert( status == 0 );
> + status = pthread_mutex_lock( &mutex );
> + rtems_test_assert( status == 0 );
> + while ( count == 0 ){
> + eno = pthread_cond_clockwait( &cond, &mutex, (int)NULL, &abstime );
> + if ( eno != 0 ) {
> + break;
> + }
> + }
> +
> + count -= 1;
> + status = pthread_mutex_unlock( &mutex );
> + rtems_test_assert( status == 0 );
> + rtems_test_assert( eno == EINVAL );
> + status = pthread_join( t1, NULL );
> + rtems_test_assert( status == 0 );
> +
> + /* Expected fail: Invalid Clock */
> + abstime.tv_sec = 2;
> + abstime.tv_nsec = 1;
> + status = pthread_create( &t1, NULL, thread_func, NULL );
> + rtems_test_assert( status == 0 );
> + status = pthread_mutex_lock( &mutex );
> + rtems_test_assert( status == 0 );
> + while ( count == 0 ){
> + eno = pthread_cond_clockwait( &cond, &mutex, clock_id1, NULL );
> + if ( eno != 0 ) {
> + break;
> + }
> + }
> +
> + count -= 1;
> + status = pthread_mutex_unlock( &mutex );
> + rtems_test_assert( status == 0 );
> + rtems_test_assert( eno == EINVAL );
> + status = pthread_join( t1, NULL );
> + rtems_test_assert( status == 0 );
> +
> + /* Expected fail: Invalid Clock */
> + abstime.tv_sec = 2;
> + abstime.tv_nsec = 1;
> + status = pthread_create( &t1, NULL, thread_func, NULL );
> + rtems_test_assert( status == 0 );
> + status = pthread_mutex_lock( &mutex );
> + rtems_test_assert( status == 0 );
> + while ( count == 0 ){
> + eno = pthread_cond_clockwait( NULL, &mutex, clock_id1, &abstime );
> + if ( eno != 0 ) {
> + break;
> + }
> + }
> +
> + count -= 1;
> + status = pthread_mutex_unlock( &mutex );
> + rtems_test_assert( status == 0 );
> + rtems_test_assert( eno == EINVAL );
> + status = pthread_join( t1, NULL );
> + rtems_test_assert( status == 0 );
> +
> + /* Expected fail: Invalid Mutex */
> + abstime.tv_sec = 2;
> + abstime.tv_nsec = 1;
> + status = pthread_create( &t1, NULL, thread_func, NULL );
> + rtems_test_assert( status == 0 );
> + status = pthread_mutex_lock( &mutex );
> + rtems_test_assert( status == 0 );
> + while ( count == 0 ){
> + eno = pthread_cond_clockwait( &cond, NULL, clock_id1, &abstime );
> + if ( eno != 0 ) {
> + break;
> + }
> + }
> +
> + count -= 1;
> + status = pthread_mutex_unlock( &mutex );
> + rtems_test_assert( status == 0 );
> + rtems_test_assert( eno != 0 );
> + status = pthread_join( t1, NULL );
> + rtems_test_assert( status == 0 );
> +
> + /* Expected fail: Uninitialized condition variable */
> + abstime.tv_sec = 2;
> + abstime.tv_nsec = 1;
> + status = pthread_create( &t1, NULL, thread_func, NULL );
> + rtems_test_assert( status == 0 );
> + status = pthread_mutex_lock( &mutex );
> + rtems_test_assert( status == 0 );
> + while ( count == 0 ){
> + eno = pthread_cond_clockwait( &bad_cond, &mutex, clock_id1, &abstime );
> + if ( eno != 0 ) {
> + break;
> + }
> + }
> +
> + count -= 1;
> + status = pthread_mutex_unlock( &mutex );
> + rtems_test_assert( status == 0 );
> + rtems_test_assert( eno != 0 );
> + status = pthread_join( t1, NULL );
> + rtems_test_assert( status == 0 );
> +
> + /* Expected fail: Uninitialized condition variable */
> + abstime.tv_sec = 2;
> + abstime.tv_nsec = 1;
> + status = pthread_create( &t1, NULL, thread_func, NULL );
> + rtems_test_assert( status == 0 );
> + status = pthread_mutex_lock( &mutex );
> + rtems_test_assert( status == 0 );
> + while ( count == 0 ){
> + eno = pthread_cond_clockwait( &cond, &bad_mutex, clock_id1, &abstime );
> + if ( eno != 0 ) {
> + break;
> + }
> + }
> +
> + count -= 1;
> + status = pthread_mutex_unlock( &mutex );
> + rtems_test_assert( status == 0 );
> + rtems_test_assert( eno != 0 );
> + status = pthread_join( t1, NULL );
> + rtems_test_assert( status == 0 );
> +
> + /* Expected fail: Uninitialized condition variable */
> + abstime.tv_sec = 2;
> + abstime.tv_nsec = 1;
> + status = pthread_create( &t1, NULL, thread_func, NULL );
> + rtems_test_assert( status == 0 );
> + status = pthread_mutex_lock( &mutex );
> + rtems_test_assert( status == 0 );
> + while ( count == 0 ){
> + eno = pthread_cond_clockwait( &bad_cond, &mutex, clock_id1, &abstime );
> + if ( eno != 0 ) {
> + break;
> + }
> + }
> +
> + count -= 1;
> + status = pthread_mutex_unlock( &mutex );
> + rtems_test_assert( status == 0 );
> + rtems_test_assert( eno != 0 );
> + status = pthread_join( t1, NULL );
> + rtems_test_assert( status == 0 );
> +
> + /* Expected pass: Binding new mutex to condition variable */
> + status = clock_gettime( clock_id2, &abstime );
> + rtems_test_assert( status == 0 );
> + abstime.tv_sec += 4;
> + abstime.tv_nsec = 1;
> + status = pthread_create( &t1, NULL, thread_func2, NULL );
> + rtems_test_assert( status == 0 );
> + status = pthread_mutex_lock( &new_mutex );
> + rtems_test_assert( status == 0 );
> + while ( count == 0 ){
> + eno = pthread_cond_clockwait( &cond, &new_mutex, clock_id2, &abstime );
> + if ( eno != 0 ) {
> + break;
> + }
> + }
> +
> + count -= 1;
> + status = pthread_mutex_unlock( &new_mutex );
> + rtems_test_assert( status == 0 );
> + rtems_test_assert( eno == 0 );
> + status = pthread_join( t1, NULL );
> + rtems_test_assert( status == 0 );
> +
> + /* Expected fail: Timeout (abstime < current time) */
> + status = clock_gettime( clock_id2, &abstime );
> + rtems_test_assert( status == 0 );
> + abstime.tv_sec -= 1;
> + abstime.tv_nsec -= 1;
> + status = pthread_create( &t1, NULL, thread_func2, NULL );
> + rtems_test_assert( status == 0 );
> + status = pthread_mutex_lock( &new_mutex );
> + rtems_test_assert( status == 0 );
> + while ( count == 0 ){
> + eno = pthread_cond_clockwait( &cond, &new_mutex, clock_id2, &abstime );
> + if ( eno != 0 ) {
> + break;
> + }
> + }
> +
> + count -= 1;
> + status = pthread_mutex_unlock( &new_mutex );
> + rtems_test_assert( status == 0 );
> + rtems_test_assert( eno == ETIMEDOUT );
> + status = pthread_join( t1, NULL );
> + rtems_test_assert( status == 0 );
> +
> + /* Expected Pass: Sufficient abstime to exceed sleep in thread_func3*/
> + status = clock_gettime( clock_id2, &abstime );
> + rtems_test_assert( status == 0 );
> + abstime.tv_sec += 4;
> + abstime.tv_nsec += 1;
> + status = pthread_create( &t1, NULL, thread_func3, NULL );
> + rtems_test_assert( status == 0 );
> + status = pthread_mutex_lock( &new_mutex );
> + rtems_test_assert( status == 0 );
> + while ( count == 0 ){
> + eno = pthread_cond_clockwait( &cond, &new_mutex, clock_id2, &abstime );
> + if ( eno != 0 ) {
> + break;
> + }
> + }
> +
> + count -= 1;
> + status = pthread_mutex_unlock( &new_mutex );
> + rtems_test_assert( status == 0 );
> + rtems_test_assert( eno == 0 );
> + status = pthread_join( t1, NULL );
> + rtems_test_assert( status == 0 );
> +
> + /* Expected Fail: Insufficient abstime to exceed sleep in thread_func3*/
> + status = clock_gettime( clock_id2, &abstime );
> + rtems_test_assert( status == 0 );
> + abstime.tv_sec += 2;
> + abstime.tv_nsec += 1;
> + status = pthread_create( &t1, NULL, thread_func3, NULL );
> + rtems_test_assert( status == 0 );
> + status = pthread_mutex_lock( &new_mutex );
> + rtems_test_assert( status == 0 );
> + while ( count == 0 ){
> + eno = pthread_cond_clockwait( &cond, &new_mutex, clock_id2, &abstime );
> + if ( eno != 0 ) {
> + break;
> + }
> + }
> +
> + count -= 1;
> + status = pthread_mutex_unlock( &new_mutex );
> + rtems_test_assert( status == 0 );
> + rtems_test_assert( eno == ETIMEDOUT );
> + status = pthread_join( t1, NULL );
> + rtems_test_assert( status == 0 );
> +
> + TEST_END();
> + rtems_test_exit( 0 );
> + return NULL;
> +}
> +
> +void *thread_func( void *arg )
> +{
> + int status;
> +
> + status = pthread_mutex_lock( &mutex );
> + rtems_test_assert( status == 0 );
> + if (count == 0) {
> + status = pthread_cond_signal( &cond );
> + rtems_test_assert( status == 0 );
> + }
> +
> + count +=1;
> + status = pthread_mutex_unlock( &mutex );
> + rtems_test_assert( status == 0 );
> + return NULL;
> +}
> +
> +void *thread_func2( void *arg )
> +{
> + int status;
> +
> + status = pthread_mutex_lock( &new_mutex );
> + rtems_test_assert( status == 0 );
> + if ( count == 0 ) {
> + status = pthread_cond_signal( &cond );
> + rtems_test_assert( status == 0 );
> + }
> +
> + count +=1;
> + status = pthread_mutex_unlock( &new_mutex );
> + rtems_test_assert( status == 0 );
> + return NULL;
> +}
> +
> +void *thread_func3( void *arg )
> +{
> + int status;
> +
> + status = pthread_mutex_lock( &new_mutex );
> + rtems_test_assert( status == 0 );
> + /* Arbitrary sleep to test timeout functionality */
> + sleep(3);
> + if ( count == 0 ) {
> + status = pthread_cond_signal( &cond );
> + rtems_test_assert( status == 0 );
> + }
> +
> + count +=1;
> + status = pthread_mutex_unlock( &new_mutex );
> + rtems_test_assert( status == 0 );
> + return NULL;
> +}
> diff --git a/testsuites/psxtests/psxcond03/psxcond03.doc b/testsuites/psxtests/psxcond03/psxcond03.doc
> new file mode 100644
> index 0000000000..4e9b582189
> --- /dev/null
> +++ b/testsuites/psxtests/psxcond03/psxcond03.doc
> @@ -0,0 +1,44 @@
> +/*
> +* Copyright (C) 2021 Matthew Joyce
> +*
> +* Redistribution and use in source and binary forms, with or without
> +* modification, are permitted provided that the following conditions
> +* are met:
> +* 1. Redistributions of source code must retain the above copyright
> +* notice, this list of conditions and the following disclaimer.
> +* 2. Redistributions in binary form must reproduce the above copyright
> +* notice, this list of conditions and the following disclaimer in the
> +* documentation and/or other materials provided with the distribution.
> +*
> +* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
> +* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> +* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> +* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
> +* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
> +* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
> +* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
> +* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
> +* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
> +* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
> +* POSSIBILITY OF SUCH DAMAGE.
> +*/
> +
> +This file describes the directives and concepts tested by this test set.
> +
> +test set name: psxcond03
> +
> +directives:
> +
> + pthread_cond_clockwait
> + pthread_create
> + pthread_mutex_lock
> + pthread_mutex_unlock
> + pthread_cond_signal
> + pthread_join
> +
> +concepts:
> +
> ++ Tests the newly-added Issue 8 POSIX Standard pthread_cond_clockwait method.
> + Tests include valid/supported and invalid/unsupported clocks, sufficient and
> + insufficient timeouts, and invalid or uninitialized condition/mutex
> + parameters.
> diff --git a/testsuites/psxtests/psxcond03/psxcond03.scn b/testsuites/psxtests/psxcond03/psxcond03.scn
> new file mode 100644
> index 0000000000..5935b1d478
> --- /dev/null
> +++ b/testsuites/psxtests/psxcond03/psxcond03.scn
> @@ -0,0 +1,3 @@
> +*** BEGIN OF TEST PSXCOND 3 ***
> +
> +*** END OF TEST PSXCOND 3 ***
> diff --git a/testsuites/psxtests/psxcond03/system.h b/testsuites/psxtests/psxcond03/system.h
> new file mode 100644
> index 0000000000..b9dcb832ad
> --- /dev/null
> +++ b/testsuites/psxtests/psxcond03/system.h
> @@ -0,0 +1,61 @@
> +/*
> +* Copyright (C) 2021 Matthew Joyce
> +*
> +* Redistribution and use in source and binary forms, with or without
> +* modification, are permitted provided that the following conditions
> +* are met:
> +* 1. Redistributions of source code must retain the above copyright
> +* notice, this list of conditions and the following disclaimer.
> +* 2. Redistributions in binary form must reproduce the above copyright
> +* notice, this list of conditions and the following disclaimer in the
> +* documentation and/or other materials provided with the distribution.
> +*
> +* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
> +* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
> +* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
> +* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
> +* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
> +* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
> +* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
> +* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
> +* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
> +* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
> +* POSSIBILITY OF SUCH DAMAGE.
> +*/
> +
> +/* functions */
> +
> +#include <pmacros.h>
> +#include <unistd.h>
> +#include <errno.h>
> +
> +void *POSIX_Init(
> + void *argument
> +);
> +
> +void *thread_func(
> + void *argument
> +);
> +
> +void *thread_func2(
> + void *argument
> +);
> +
> +void *thread_func3(
> + void *argument
> +);
> +
> +/* configuration information */
> +
> +#define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
> +#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
> +
> +#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
> +
> +#define CONFIGURE_MAXIMUM_POSIX_THREADS 4
> +
> +#define CONFIGURE_POSIX_INIT_THREAD_TABLE
> +
> +#include <rtems/confdefs.h>
> +
> +/* end of include file */
> diff --git a/testsuites/psxtests/psxhdrs/pthread/pthread_cond_clockwait.c b/testsuites/psxtests/psxhdrs/pthread/pthread_cond_clockwait.c
> index 15485eb587..fe91b7954f 100644
> --- a/testsuites/psxtests/psxhdrs/pthread/pthread_cond_clockwait.c
> +++ b/testsuites/psxtests/psxhdrs/pthread/pthread_cond_clockwait.c
> @@ -49,7 +49,7 @@ int test( void )
> pthread_mutex_t mutex = PTHREAD_MUTEX_INITIALIZER;
> clockid_t clock_id = CLOCK_REALTIME;
> struct timespec abstime;
> - abstime.tv_sec = 2;
> + abstime.tv_sec = 1;
> int result;
>
> /* This method appeared in the Issue 8 POSIX Standard */
Did you manage to run coverage after adding this code and test?
Basically just clean up I think.
> --
> 2.31.1
>
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