mirror of
git://git.sv.gnu.org/emacs.git
synced 2026-01-21 03:52:16 -08:00
1d00afac81
Publish minor changes to readme and configure files in main directory. Main directory and code directory licence texts are now fully updated. Copied from Perforce Change: 196994
111 lines
3.6 KiB
C
111 lines
3.6 KiB
C
/* testthr.h: MULTI-THREADED TEST INTERFACE
|
|
*
|
|
* $Id$
|
|
* Copyright (c) 2014-2020 Ravenbrook Limited. See end of file for license.
|
|
*
|
|
* .purpose: Simple interface to threads that makes it possible to
|
|
* write test cases that are portable between Windows (using the
|
|
* implementation in testthrw3.c) and Unix (using the implementation
|
|
* in testthrix.c). <design/testthr>.
|
|
*/
|
|
|
|
#ifndef testthr_h
|
|
#define testthr_h
|
|
|
|
#include "mpstd.h"
|
|
|
|
|
|
/* testthr_routine_t -- type of thread routines
|
|
*
|
|
* Use the pthread type here and convert back and forth in the Windows
|
|
* implementation.
|
|
*/
|
|
typedef void *(*testthr_routine_t)(void *);
|
|
|
|
|
|
/* testthr_t -- type of thread identifiers
|
|
*
|
|
* It is necessary to define it here (even though it requires some
|
|
* #ifdefs) so that clients can allocate storage for them.
|
|
*/
|
|
|
|
#if defined(MPS_OS_W3)
|
|
|
|
#include "mpswin.h"
|
|
|
|
/* On Windows, a thread is identified by a HANDLE.
|
|
* <https://docs.microsoft.com/en-gb/windows/desktop/WinProg/windows-data-types>
|
|
* But use a structure so that the thread has somewhere to store its
|
|
* result for use by testthr_join.
|
|
*/
|
|
typedef struct testthr_t {
|
|
HANDLE handle;
|
|
testthr_routine_t start;
|
|
void *arg; /* argument to pass to start */
|
|
void *result; /* result returned from start */
|
|
} testthr_t;
|
|
|
|
#elif defined(MPS_OS_FR) || defined(MPS_OS_LI) || defined(MPS_OS_XC)
|
|
|
|
#include <pthread.h>
|
|
|
|
/* In pthreads, a thread is identified by a pthread_t, which is
|
|
* allowed "to be defined as a structure" [IEEE Std 1003.1, sys/types.h]
|
|
* <https://pubs.opengroup.org/onlinepubs/9699919799/basedefs/sys_types.h.html>
|
|
*/
|
|
typedef pthread_t testthr_t;
|
|
|
|
#else
|
|
#error "Unknown platform: can't determine a type for testthr_t."
|
|
#endif
|
|
|
|
|
|
/* testthr_create -- create a thread
|
|
*
|
|
* Store the identifier of the newly created thread in *thread_o, and
|
|
* call start, passing arg as the single parameter.
|
|
*/
|
|
|
|
void testthr_create(testthr_t *thread_o, testthr_routine_t start, void *arg);
|
|
|
|
|
|
/* testthr_join -- wait for a thread to complete
|
|
*
|
|
* Suspend execution of the calling thread until the target thread
|
|
* terminates (if necessary), and if result_o is non-NULL, update
|
|
* *result_o with the return value of the thread's start.
|
|
*/
|
|
|
|
void testthr_join(testthr_t *thread, void **result_o);
|
|
|
|
#endif /* testthr_h */
|
|
|
|
|
|
/* C. COPYRIGHT AND LICENSE
|
|
*
|
|
* Copyright (C) 2001-2020 Ravenbrook Limited <http://www.ravenbrook.com/>.
|
|
*
|
|
* 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
|
|
* HOLDER 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.
|
|
*/
|