1 /* Processed by ecpg (regression mode) */
2 /* These include files are added by the preprocessor */
3 #include <ecpglib.h>
4 #include <ecpgerrno.h>
5 #include <sqlca.h>
6 /* End of automatic include section */
7 #define ECPGdebug(X,Y) ECPGdebug((X)+100,(Y))
8 
9 #line 1 "thread_implicit.pgc"
10 /*
11  *	Thread test program
12  *	by Lee Kindness.
13  */
14 
15 #include <stdlib.h>
16 #include "ecpg_config.h"
17 
18 #ifndef ENABLE_THREAD_SAFETY
19 int
main(void)20 main(void)
21 {
22 	printf("No threading enabled.\n");
23 	return 0;
24 }
25 #else
26 #ifndef WIN32
27 #include <pthread.h>
28 #else
29 #include <windows.h>
30 #include <locale.h>
31 #endif
32 
33 
34 #line 1 "regression.h"
35 
36 
37 
38 
39 
40 
41 #line 24 "thread_implicit.pgc"
42 
43 
44 void *test_thread(void *arg);
45 
46 int nthreads   = 10;
47 int iterations = 20;
48 
main()49 int main()
50 {
51 #ifndef WIN32
52   pthread_t *threads;
53 #else
54   HANDLE *threads;
55 #endif
56   int n;
57   /* exec sql begin declare section */
58 
59 
60 #line 40 "thread_implicit.pgc"
61  int l_rows ;
62 /* exec sql end declare section */
63 #line 41 "thread_implicit.pgc"
64 
65 
66  /* Do not switch on debug output for regression tests. The threads get executed in
67   * more or less random order */
68  /* ECPGdebug(1, stderr); */
69 
70   /* setup test_thread table */
71   { ECPGconnect(__LINE__, 0, "ecpg1_regression" , NULL, NULL , NULL, 0); }
72 #line 48 "thread_implicit.pgc"
73 
74   { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "drop table test_thread", ECPGt_EOIT, ECPGt_EORT);}
75 #line 49 "thread_implicit.pgc"
76  /* DROP might fail */
77   { ECPGtrans(__LINE__, NULL, "commit");}
78 #line 50 "thread_implicit.pgc"
79 
80   { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "create table test_thread ( tstamp timestamp not null default cast ( timeofday ( ) as timestamp ) , thread text not null , iteration integer not null , primary key ( thread , iteration ) )", ECPGt_EOIT, ECPGt_EORT);}
81 #line 55 "thread_implicit.pgc"
82 
83   { ECPGtrans(__LINE__, NULL, "commit");}
84 #line 56 "thread_implicit.pgc"
85 
86   { ECPGdisconnect(__LINE__, "CURRENT");}
87 #line 57 "thread_implicit.pgc"
88 
89 
90   /* create, and start, threads */
91   threads = calloc(nthreads, sizeof(threads[0]));
92   if( threads == NULL )
93     {
94       fprintf(stderr, "Cannot alloc memory\n");
95       return 1;
96     }
97   for( n = 0; n < nthreads; n++ )
98     {
99 #ifndef WIN32
100       pthread_create(&threads[n], NULL, test_thread, (void *) (long) (n + 1));
101 #else
102       threads[n] = CreateThread(NULL, 0, (LPTHREAD_START_ROUTINE) test_thread, (void *) (n+1), 0, NULL);
103 #endif
104     }
105 
106   /* wait for thread completion */
107 #ifndef WIN32
108   for( n = 0; n < nthreads; n++ )
109     {
110       pthread_join(threads[n], NULL);
111     }
112 #else
113   WaitForMultipleObjects(nthreads, threads, TRUE, INFINITE);
114 #endif
115   free(threads);
116 
117   /* and check results */
118   { ECPGconnect(__LINE__, 0, "ecpg1_regression" , NULL, NULL , NULL, 0); }
119 #line 87 "thread_implicit.pgc"
120 
121   { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "select count ( * ) from test_thread", ECPGt_EOIT,
122 	ECPGt_int,&(l_rows),(long)1,(long)1,sizeof(int),
123 	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EORT);}
124 #line 88 "thread_implicit.pgc"
125 
126   { ECPGtrans(__LINE__, NULL, "commit");}
127 #line 89 "thread_implicit.pgc"
128 
129   { ECPGdisconnect(__LINE__, "CURRENT");}
130 #line 90 "thread_implicit.pgc"
131 
132   if( l_rows == (nthreads * iterations) )
133     printf("Success.\n");
134   else
135     printf("ERROR: Failure - expecting %d rows, got %d.\n", nthreads * iterations, l_rows);
136 
137   return 0;
138 }
139 
test_thread(void * arg)140 void *test_thread(void *arg)
141 {
142   long threadnum = (long)arg;
143 
144   /* exec sql begin declare section */
145 
146 
147 
148 #line 104 "thread_implicit.pgc"
149  int l_i ;
150 
151 #line 105 "thread_implicit.pgc"
152  char l_connection [ 128 ] ;
153 /* exec sql end declare section */
154 #line 106 "thread_implicit.pgc"
155 
156 
157   /* build up connection name, and connect to database */
158 #ifndef _MSC_VER
159   snprintf(l_connection, sizeof(l_connection), "thread_%03ld", threadnum);
160 #else
161   _snprintf(l_connection, sizeof(l_connection), "thread_%03ld", threadnum);
162 #endif
163   /* exec sql whenever sqlerror  sqlprint ; */
164 #line 114 "thread_implicit.pgc"
165 
166   { ECPGconnect(__LINE__, 0, "ecpg1_regression" , NULL, NULL , l_connection, 0);
167 #line 115 "thread_implicit.pgc"
168 
169 if (sqlca.sqlcode < 0) sqlprint();}
170 #line 115 "thread_implicit.pgc"
171 
172   if( sqlca.sqlcode != 0 )
173     {
174       printf("%s: ERROR: cannot connect to database!\n", l_connection);
175       return NULL;
176     }
177   { ECPGtrans(__LINE__, NULL, "begin");
178 #line 121 "thread_implicit.pgc"
179 
180 if (sqlca.sqlcode < 0) sqlprint();}
181 #line 121 "thread_implicit.pgc"
182 
183 
184   /* insert into test_thread table */
185   for( l_i = 1; l_i <= iterations; l_i++ )
186     {
187       { ECPGdo(__LINE__, 0, 1, NULL, 0, ECPGst_normal, "insert into test_thread ( thread , iteration ) values ( $1  , $2  )",
188 	ECPGt_char,(l_connection),(long)128,(long)1,(128)*sizeof(char),
189 	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L,
190 	ECPGt_int,&(l_i),(long)1,(long)1,sizeof(int),
191 	ECPGt_NO_INDICATOR, NULL , 0L, 0L, 0L, ECPGt_EOIT, ECPGt_EORT);
192 #line 126 "thread_implicit.pgc"
193 
194 if (sqlca.sqlcode < 0) sqlprint();}
195 #line 126 "thread_implicit.pgc"
196 
197       if( sqlca.sqlcode != 0 )
198 	printf("%s: ERROR: insert failed!\n", l_connection);
199     }
200 
201   /* all done */
202   { ECPGtrans(__LINE__, NULL, "commit");
203 #line 132 "thread_implicit.pgc"
204 
205 if (sqlca.sqlcode < 0) sqlprint();}
206 #line 132 "thread_implicit.pgc"
207 
208   { ECPGdisconnect(__LINE__, l_connection);
209 #line 133 "thread_implicit.pgc"
210 
211 if (sqlca.sqlcode < 0) sqlprint();}
212 #line 133 "thread_implicit.pgc"
213 
214   return NULL;
215 }
216 #endif /* ENABLE_THREAD_SAFETY */
217