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
|
/*___INFO__MARK_BEGIN__*/
/*************************************************************************
*
* The Contents of this file are made available subject to the terms of
* the Sun Industry Standards Source License Version 1.2
*
* Sun Microsystems Inc., March, 2001
*
*
* Sun Industry Standards Source License Version 1.2
* =================================================
* The contents of this file are subject to the Sun Industry Standards
* Source License Version 1.2 (the "License"); You may not use this file
* except in compliance with the License. You may obtain a copy of the
* License at http://gridengine.sunsource.net/Gridengine_SISSL_license.html
*
* Software provided under this License is provided on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING,
* WITHOUT LIMITATION, WARRANTIES THAT THE SOFTWARE IS FREE OF DEFECTS,
* MERCHANTABLE, FIT FOR A PARTICULAR PURPOSE, OR NON-INFRINGING.
* See the License for the specific provisions governing your rights and
* obligations concerning the Software.
*
* The Initial Developer of the Original Code is: Sun Microsystems, Inc.
*
* Copyright: 2001 by Sun Microsystems, Inc.
*
* All Rights Reserved.
*
* Portions of this software are Copyright (c) 2011 Univa Corporation
*
************************************************************************/
/*___INFO__MARK_END__*/
#include <stdio.h>
#include <stdlib.h>
#include <errno.h>
#include <unistd.h>
#include <pthread.h>
static pthread_key_t thread_local_key;
void init_local_storage(int thread)
{
char *data = pthread_getspecific(thread_local_key);
if (data == NULL) {
data = malloc(100);
snprintf(data, 100, "Thread %d", thread);
pthread_setspecific(thread_local_key, data);
}
}
void free_local_storage(void *data)
{
free(data);
}
void thread_work(void)
{
int i;
for (i = 0; i < 2; i++) {
char *data = pthread_getspecific(thread_local_key);
if (data == NULL) {
printf("no thread local data\n");
} else {
printf("%s\n", data);
}
sleep(1);
}
}
void *t1_main(void *args)
{
init_local_storage(1);
thread_work();
return NULL;
}
void *t2_main(void *args)
{
init_local_storage(2);
thread_work();
return NULL;
}
int main(int argc, const char *argv[])
{
pthread_t t1, t2;
int ret1 = 0, ret2 = 0;
printf("testing access to thread local storage\n");
pthread_key_create(&thread_local_key, free_local_storage);
pthread_create(&t1, NULL, t1_main, (void*)&ret1);
pthread_create(&t2, NULL, t2_main, (void*)&ret2);
pthread_join(t1, NULL);
pthread_join(t2, NULL);
return 0;
}
|