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-rw-r--r--tests/rwlock6.c18
1 files changed, 13 insertions, 5 deletions
diff --git a/tests/rwlock6.c b/tests/rwlock6.c
index 97742b1..091c3a0 100644
--- a/tests/rwlock6.c
+++ b/tests/rwlock6.c
@@ -11,14 +11,17 @@
#include "test.h"
+#define PRTDEBUG(M, F, L) {FILE * fp; fp = fopen("debug.log", "a"); fprintf(fp, "%s: %s: %d\n", M, F, L); fclose(fp);}
+
static pthread_rwlock_t rwlock1 = PTHREAD_RWLOCK_INITIALIZER;
-static int bankAccount;
+static int bankAccount = 0;
void * wrfunc(void * arg)
{
assert(pthread_rwlock_wrlock(&rwlock1) == 0);
- Sleep(1000);
+//PRTDEBUG("wr", __FILE__, __LINE__);
+ Sleep(2000);
bankAccount += 10;
assert(pthread_rwlock_unlock(&rwlock1) == 0);
@@ -30,6 +33,7 @@ void * rdfunc(void * arg)
int ba = 0;
assert(pthread_rwlock_rdlock(&rwlock1) == 0);
+//PRTDEBUG("rd", __FILE__, __LINE__);
ba = bankAccount;
assert(pthread_rwlock_unlock(&rwlock1) == 0);
@@ -47,10 +51,12 @@ main()
int wr2Result = 0;
int rdResult = 0;
+ bankAccount = 0;
+
assert(pthread_create(&wrt1, NULL, wrfunc, NULL) == 0);
- Sleep(200);
+ Sleep(500);
assert(pthread_create(&rdt, NULL, rdfunc, NULL) == 0);
- Sleep(200);
+ Sleep(500);
assert(pthread_create(&wrt2, NULL, wrfunc, NULL) == 0);
assert(pthread_join(wrt1, (void **) &wr1Result) == 0);
@@ -59,7 +65,9 @@ main()
assert(wr1Result == 10);
assert(wr2Result == 20);
- assert(rdResult == 20);
+printf("rdResult = %d\n", rdResult);
+fflush(stdout);
+ assert(rdResult == 30);
return 0;
}