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/*========================================================================
//
// pmqueue2.c
//
// POSIX Message queues tests - mq_notify
//
//========================================================================
// ####ECOSGPLCOPYRIGHTBEGIN####
// -------------------------------------------
// This file is part of eCos, the Embedded Configurable Operating System.
// Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
//
// eCos is free software; you can redistribute it and/or modify it under
// the terms of the GNU General Public License as published by the Free
// Software Foundation; either version 2 or (at your option) any later
// version.
//
// eCos 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 General Public License
// for more details.
//
// You should have received a copy of the GNU General Public License
// along with eCos; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// As a special exception, if other files instantiate templates or use
// macros or inline functions from this file, or you compile this file
// and link it with other works to produce a work based on this file,
// this file does not by itself cause the resulting work to be covered by
// the GNU General Public License. However the source code for this file
// must still be made available in accordance with section (3) of the GNU
// General Public License v2.
//
// This exception does not invalidate any other reasons why a work based
// on this file might be covered by the GNU General Public License.
// -------------------------------------------
// ####ECOSGPLCOPYRIGHTEND####
//========================================================================
//#####DESCRIPTIONBEGIN####
//
// Author(s): jlarmour
// Contributors:
// Date: 2000-05-18
// Purpose: This file provides tests for POSIX mqueue mq_notify
// Description:
// Usage:
//
//####DESCRIPTIONEND####
//
//======================================================================
*/
/* CONFIGURATION */
#include <pkgconf/posix.h>
#ifndef CYGPKG_POSIX_MQUEUES
# define NA_MSG "Message queues not configured"
#elif !defined(CYGPKG_POSIX_SIGNALS)
# define NA_MSG "No POSIX signals configured"
#endif
#ifdef NA_MSG
#include <cyg/infra/testcase.h> // test API
void
cyg_user_start(void)
{
CYG_TEST_INIT();
CYG_TEST_NA( NA_MSG );
}
#else
/* INCLUDES */
#include <fcntl.h> // O_*
#include <errno.h> // errno
#include <sys/stat.h> // file modes
#include <mqueue.h> // Mqueue Header
#include <cyg/infra/testcase.h> // test API
#include <signal.h> // signals
/* GLOBALS */
sig_atomic_t signals=0;
char buf[20];
unsigned int prio;
/* FUNCTIONS */
static int
my_memcmp(const void *m1, const void *m2, size_t n)
{
char *s1 = (char *)m1;
char *s2 = (char *)m2;
while (n--) {
if (*s1 != *s2)
return *s1 - *s2;
s1++;
s2++;
}
return 0;
} // my_memcmp()
static char *
my_strcpy(char *s1, const char *s2)
{
char *s = s1;
while (*s2) {
*s1++ = *s2++;
}
return s;
} // my_strcpy()
static size_t
my_strlen(const char *s)
{
const char *start = s;
while (*s)
s++;
return (s - start);
} // my_strcpy()
//************************************************************************
static void
sigusr1_handler( int signo, siginfo_t *info, void *context )
{
ssize_t recvlen;
char mybuf[20];
unsigned int myprio;
mqd_t *q = (mqd_t *)info->si_value.sival_ptr;
CYG_TEST_PASS_FAIL( SIGUSR1 == signo, "correct signal number #1" );
CYG_TEST_PASS_FAIL( SIGUSR1 == info->si_signo, "correct signal number #2" );
CYG_TEST_PASS_FAIL( SI_MESGQ == info->si_code, "correct signal code" );
signals++;
// retrieve message and compare with buf
recvlen = mq_receive( *q, mybuf, sizeof(mybuf), &myprio );
CYG_TEST_PASS_FAIL( recvlen == my_strlen(buf),
"receive message length" );
CYG_TEST_PASS_FAIL( 0 == my_memcmp( buf, mybuf, my_strlen(buf)),
"received message data intact" );
CYG_TEST_PASS_FAIL( prio == myprio,
"received at correct priority" );
}
//************************************************************************
int
main(void)
{
mqd_t q1;
struct mq_attr attr;
mode_t mode;
int err;
ssize_t recvlen;
char mybuf[20];
unsigned int myprio;
struct sigevent ev;
struct sigaction act;
CYG_TEST_INIT();
CYG_TEST_INFO( "Starting POSIX message test 2" );
#if 0
if ( 0 != pthread_create( &thr, NULL, &thread, NULL ) ) {
CYG_TEST_FAIL_FINISH( "Couldn't create a helper thread" );
}
#endif
attr.mq_flags = 0;
attr.mq_maxmsg = 4;
attr.mq_msgsize = 20;
mode = S_IRWXU|S_IRWXG|S_IRWXO; // rwx for all
q1 = mq_open( "/mq1", O_CREAT|O_NONBLOCK|O_RDWR, mode, &attr );
CYG_TEST_PASS_FAIL( q1 != (mqd_t)-1, "simple mq_open (write only)" );
err = mq_getattr( q1, &attr );
CYG_TEST_PASS_FAIL( 0 == err, "simple mq_getattr" );
CYG_TEST_PASS_FAIL( (4 == attr.mq_maxmsg) &&
(20 == attr.mq_msgsize) &&
(O_NONBLOCK == (attr.mq_flags & O_NONBLOCK)) &&
(O_RDWR == (attr.mq_flags & O_RDWR)) &&
(0 == attr.mq_curmsgs ), "getattr attributes correct" );
act.sa_sigaction = &sigusr1_handler;
sigfillset( &act.sa_mask ); // enable all signals
act.sa_flags = SA_SIGINFO;
if ( 0 != sigaction( SIGUSR1, &act, NULL ) ) {
CYG_TEST_FAIL_FINISH( "Couldn't register signal handler" );
}
ev.sigev_notify = SIGEV_SIGNAL;
ev.sigev_signo = SIGUSR1;
ev.sigev_value.sival_ptr = (void *)&q1;
err = mq_notify( q1, &ev );
CYG_TEST_PASS_FAIL( 0 == err, "simple mq_notify" );
my_strcpy( buf, "Vik is the best" );
prio = 7;
err = mq_send( q1, buf, my_strlen(buf), prio );
CYG_TEST_PASS_FAIL( 0 == err, "mq_send #1" );
CYG_TEST_PASS_FAIL( 1 == signals, "got notification" );
my_strcpy( buf, "Scrummy Vik" );
prio = 6;
err = mq_send( q1, buf, my_strlen(buf), prio );
CYG_TEST_PASS_FAIL( 0 == err, "mq_send #2" );
CYG_TEST_PASS_FAIL( 1 == signals, "correctly didn't get notification" );
recvlen = mq_receive( q1, mybuf, sizeof(mybuf), &myprio );
CYG_TEST_PASS_FAIL( recvlen == my_strlen(buf),
"receive message length" );
CYG_TEST_PASS_FAIL( 0 == my_memcmp( buf, mybuf, my_strlen(buf)),
"received message data intact" );
CYG_TEST_PASS_FAIL( prio == myprio,
"received at correct priority" );
err = mq_notify( q1, &ev );
CYG_TEST_PASS_FAIL( 0 == err, "mq_notify #2" );
err = mq_notify( q1, &ev );
CYG_TEST_PASS_FAIL( -1 == err, "second mq_notify returns error" );
CYG_TEST_PASS_FAIL( EBUSY == errno,
"errno correct for second mq_notify error" );
err = mq_notify( q1, NULL );
CYG_TEST_PASS_FAIL( 0 == err, "clear notification" );
my_strcpy( buf, "Vik is k3wl" );
prio = 8;
err = mq_send( q1, buf, my_strlen(buf), prio );
CYG_TEST_PASS_FAIL( 0 == err, "mq_send #2" );
CYG_TEST_PASS_FAIL( 1 == signals, "correctly didn't get notification #2" );
recvlen = mq_receive( q1, mybuf, sizeof(mybuf), &myprio );
CYG_TEST_PASS_FAIL( recvlen == my_strlen(buf),
"receive message length" );
CYG_TEST_PASS_FAIL( 0 == my_memcmp( buf, mybuf, my_strlen(buf)),
"received message data intact" );
CYG_TEST_PASS_FAIL( prio == myprio,
"received at correct priority" );
err = mq_close( q1 );
CYG_TEST_PASS_FAIL( 0 == err, "mq_close" );
err = mq_unlink( "/mq1" );
CYG_TEST_PASS_FAIL( 0 == err, "mq_unlink" );
CYG_TEST_EXIT("POSIX message test 2");
return 0;
} // main()
//------------------------------------------------------------------------
#endif
/* EOF pmqueue2.c */
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