-/*
- * Copyright (C) 1995-2005, Index Data ApS
- * See the file LICENSE for details.
- *
- * $Id: tstflock.c,v 1.4 2006-03-23 17:50:17 adam Exp $
- */
+/* $Id: tstflock.c,v 1.16 2006-08-14 10:40:34 adam Exp $
+ Copyright (C) 1995-2006
+ Index Data ApS
+
+This file is part of the Zebra server.
+
+Zebra 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.
+
+Zebra 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 this program; if not, write to the Free Software
+Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
+*/
+
+#include <assert.h>
+#include <stdlib.h>
#include <yaz/test.h>
+#include <yaz/log.h>
+#if HAVE_SYS_TIME_H
+#include <sys/time.h>
+#endif
+#include <time.h>
+
+#if HAVE_SYS_STAT_H
+#include <sys/stat.h>
+#endif
+#if HAVE_SYS_TYPES_H
+#include <sys/types.h>
+#endif
+#if HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#if HAVE_SYS_WAIT_H
+#include <sys/wait.h>
+#endif
+
+#include <fcntl.h>
+
+#ifdef WIN32
+#include <io.h>
+#endif
+
#if YAZ_POSIX_THREADS
#include <pthread.h>
#endif
#endif
#include <idzebra/flock.h>
-#if HAVE_UNISTD_H
-#include <unistd.h>
-#endif
#include <string.h>
-static char seq[20];
-static char *seqp = seq;
+static char seq[1000];
+static char *seqp = 0;
+
+#define NUM_THREADS 100
+
+#if YAZ_POSIX_THREADS
+pthread_cond_t sleep_cond = PTHREAD_COND_INITIALIZER;
+pthread_mutex_t sleep_mutex = PTHREAD_MUTEX_INITIALIZER;
+#endif
-#define NUM_THREADS 2
+int test_fd = 0;
static void small_sleep()
{
#ifdef WIN32
- Sleep(50);
+ Sleep(2);
#else
- sleep(1);
+#if YAZ_POSIX_THREADS
+ struct timespec abstime;
+ struct timeval now;
+
+ gettimeofday(&now, 0);
+ abstime.tv_sec = now.tv_sec;
+ abstime.tv_nsec = 1000000 + now.tv_usec * 1000;
+ if (abstime.tv_nsec > 1000000000) /* 1s = 1e9 ns */
+ {
+ abstime.tv_nsec -= 1000000000;
+ abstime.tv_sec++;
+ }
+ pthread_mutex_lock(&sleep_mutex);
+ pthread_cond_timedwait(&sleep_cond, &sleep_mutex, &abstime);
+ pthread_mutex_unlock(&sleep_mutex);
+#endif
#endif
}
+
void *run_func(void *arg)
{
int i;
+ int *pdata = (int*) arg;
+ int use_write_lock = *pdata;
ZebraLockHandle lh = zebra_lock_create(0, "my.LCK");
for (i = 0; i<2; i++)
{
- zebra_lock_w(lh);
-
- *seqp++ = 'L';
- small_sleep();
- *seqp++ = 'U';
-
- zebra_unlock(lh);
+ int write_lock = use_write_lock;
+
+ if (use_write_lock == 2) /* random lock */
+ write_lock = (rand() & 3) == 3 ? 1 : 0;
+
+ if (write_lock)
+ {
+ zebra_lock_w(lh);
+
+ write(test_fd, "L", 1);
+ *seqp++ = 'L';
+ small_sleep();
+ *seqp++ = 'U';
+ write(test_fd, "U", 1);
+
+ zebra_unlock(lh);
+ }
+ else
+ {
+ zebra_lock_r(lh);
+
+ write(test_fd, "l", 1);
+ *seqp++ = 'l';
+ small_sleep();
+ *seqp++ = 'u';
+ write(test_fd, "u", 1);
+
+ zebra_unlock(lh);
+ }
}
zebra_lock_destroy(lh);
+ *pdata = 123;
return 0;
}
run_func(p);
return 0;
}
+#endif
-static void tst_win32()
+static void tst_thread(int num, int write_flag)
{
+#ifdef WIN32
HANDLE handles[NUM_THREADS];
DWORD dwThreadId[NUM_THREADS];
- int i, id[NUM_THREADS];
-
- for (i = 0; i<NUM_THREADS; i++)
- {
- void *pData = &id[i];
- handles[i] = CreateThread(
- NULL, /* default security attributes */
- 0, /* use default stack size */
- ThreadProc, /* thread function */
- pData, /* argument to thread function */
- 0, /* use default creation flags */
- &dwThreadId[i]); /* returns the thread identifier */
- }
- /* join */
- WaitForMultipleObjects(NUM_THREADS, handles, TRUE, INFINITE);
-}
#endif
-
#if YAZ_POSIX_THREADS
-static void tst_pthread()
-{
pthread_t child_thread[NUM_THREADS];
+#endif
int i, id[NUM_THREADS];
- for (i = 0; i<NUM_THREADS; i++)
+
+ seqp = seq;
+ assert (num <= NUM_THREADS);
+ for (i = 0; i < num; i++)
+ {
+ id[i] = write_flag;
+#if YAZ_POSIX_THREADS
pthread_create(&child_thread[i], 0 /* attr */, run_func, &id[i]);
+#endif
+#ifdef WIN32
+ if (1)
+ {
+ void *pData = &id[i];
+ handles[i] = CreateThread(
+ NULL, /* default security attributes */
+ 0, /* use default stack size */
+ ThreadProc, /* thread function */
+ pData, /* argument to thread function */
+ 0, /* use default creation flags */
+ &dwThreadId[i]); /* returns the thread identifier */
+ }
- for (i = 0; i<NUM_THREADS; i++)
+#endif
+ }
+#if YAZ_POSIX_THREADS
+ for (i = 0; i<num; i++)
pthread_join(child_thread[i], 0);
+#endif
+#ifdef WIN32
+ WaitForMultipleObjects(num, handles, TRUE, INFINITE);
+#endif
+ for (i = 0; i < num; i++)
+ YAZ_CHECK(id[i] == 123);
+ *seqp++ = '\0';
+ yaz_log(YLOG_LOG, "tst_thread(%d,%d) returns seq=%s",
+ num, write_flag, seq);
}
+
+static void tst()
+{
+ tst_thread(4, 1); /* write locks */
+ if (1)
+ {
+ int i = 0;
+ while (seq[i])
+ {
+ YAZ_CHECK_EQ(seq[i], 'L');
+ YAZ_CHECK_EQ(seq[i+1], 'U');
+ i = i + 2;
+ }
+ }
+
+ tst_thread(6, 0); /* read locks */
+
+ tst_thread(20, 2); /* random locks */
+}
+
+void fork_tst()
+{
+#if HAVE_SYS_WAIT_H
+ pid_t pid[2];
+ int i;
+
+ for (i = 0; i<2; i++)
+ {
+ pid[i] = fork();
+ if (!pid[i])
+ {
+ tst();
+ exit(0);
+ }
+ }
+ for (i = 0; i<2; i++)
+ {
+ int status;
+ waitpid(pid[i], &status, 0);
+ YAZ_CHECK(status == 0);
+ }
+#else
+ tst();
#endif
+}
int main(int argc, char **argv)
{
+ char logname[220];
YAZ_CHECK_INIT(argc, argv);
-#ifdef WIN32
- tst_win32();
-#endif
-#if YAZ_POSIX_THREADS
- tst_pthread();
-#endif
+ sprintf(logname, "%.200s.log", argv[0]);
+ yaz_log_init_file(logname);
- *seqp++ = '\0';
- printf("seq=%s\n", seq);
-#if 0
- /* does not pass.. for bug 529 */
- YAZ_CHECK(strcmp(seq, "LULULULU") == 0);
-#endif
+ /* log time + thread id (%!) */
+ yaz_log_time_format("%c:%!");
+
+ /* ensure the flock system logs in our test */
+ yaz_log_init_level(yaz_log_mask_str("flock"));
+
+ zebra_flock_init();
+
+ test_fd = open("tstflock.out", (O_BINARY|O_CREAT|O_RDWR), 0666);
+ YAZ_CHECK(test_fd != -1);
+ if (test_fd != -1)
+ {
+ fork_tst();
+ }
YAZ_CHECK_TERM;
}
+
+
/*
* Local variables:
* c-basic-offset: 4
projects / idzebra-moved-to-github.git / blobdiff