1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
|
/* SPDX-License-Identifier: BSD-2-Clause */
/*
* COPYRIGHT (c) 1989-2012.
* On-Line Applications Research Corporation (OAR).
*
* 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.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdio.h>
#include <signal.h>
#include <semaphore.h>
#include <pthread.h>
#include <rtems.h>
#include <tmacros.h>
#include "test_support.h"
const char rtems_test_name[] = "PSXEINTR_JOIN";
#define SIG_SUSPEND SIGUSR1
#define SIG_THR_RESTART SIGUSR2
/* forward declarations to avoid warnings */
void *POSIX_Init(void *argument);
static void print_sig_mask(const char * str);
void GC_suspend_handler(int sig);
void GC_restart_handler(int sig);
void *run(void *arg);
sem_t GC_suspend_ack_sem;
static void print_sig_mask( const char * str )
{
sigset_t blocked;
int i;
int status;
status = pthread_sigmask( SIG_BLOCK, NULL, &blocked );
rtems_test_assert( status == 0 );
printf( "%s blocked:\n", str );
for ( i = 1; i < NSIG; i++) {
if ( sigismember( &blocked, i ) )
printf( "%d ", i );
}
printf( "\n" );
}
void GC_suspend_handler( int sig )
{
puts( "run in GC_suspend_handler" );
sem_post( &GC_suspend_ack_sem );
}
void GC_restart_handler( int sig )
{
puts( "run in GC_restart_handler" );
}
void *run( void *arg )
{
int status;
pthread_t id = *(pthread_t *)arg;
print_sig_mask( "New Thread" );
status = pthread_kill( id, SIG_SUSPEND );
rtems_test_assert( status == 0 );
puts( "New Thread: after pthread_kill" );
status = sem_wait( &GC_suspend_ack_sem );
rtems_test_assert( status == 0 );
puts( "New Thread over!" );
return NULL;
}
void *POSIX_Init( void *arg )
{
struct sigaction act;
pthread_t newThread;
pthread_t mainThread;
int status;
TEST_BEGIN();
status = sem_init( &GC_suspend_ack_sem, 0, 0);
rtems_test_assert( status == 0 );
status = sigemptyset( &act.sa_mask );
rtems_test_assert( status == 0 );
status = sigaddset( &act.sa_mask, SIG_SUSPEND );
rtems_test_assert( status == 0 );
status = pthread_sigmask( SIG_UNBLOCK, &act.sa_mask, NULL );
rtems_test_assert( status == 0 );
act.sa_handler = GC_suspend_handler;
status = sigaction( SIG_SUSPEND, &act, NULL );
rtems_test_assert( status == 0 );
act.sa_handler = GC_restart_handler;
print_sig_mask( "Main Thread" );
mainThread = pthread_self();
status = pthread_create( &newThread, NULL, run, &mainThread );
rtems_test_assert( status == 0 );
pthread_join( newThread, NULL );
puts( "Back from pthread_join" );
TEST_END();
rtems_test_exit( 0 );
return NULL;
}
/* configuration information */
#define CONFIGURE_APPLICATION_NEEDS_CLOCK_DRIVER
#define CONFIGURE_APPLICATION_NEEDS_SIMPLE_CONSOLE_DRIVER
#define CONFIGURE_POSIX_INIT_THREAD_TABLE
#define CONFIGURE_INITIAL_EXTENSIONS RTEMS_TEST_INITIAL_EXTENSION
#define CONFIGURE_MAXIMUM_POSIX_THREADS 2
#define CONFIGURE_INIT
#include <rtems/confdefs.h>
/* end of file */
|
