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60 lines
2.1 KiB
C
60 lines
2.1 KiB
C
#include <test.h>
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#include <toku_assert.h>
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#include <toku_pthread.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <string.h>
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// write a test see if things happen in the right order.
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volatile int state = 0;
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int verbose = 0;
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static void *f(void *arg) {
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int r;
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toku_pthread_rwlock_t *mylock = arg;
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sleep(2);
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assert(state==42); state = 16; if (verbose) printf("%s:%d\n", __FUNCTION__, __LINE__);
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r = toku_pthread_rwlock_wrlock(mylock); assert(r == 0);
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assert(state==49); state = 17; if (verbose) printf("%s:%d\n", __FUNCTION__, __LINE__);
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r = toku_pthread_rwlock_wrunlock(mylock); assert(r == 0);
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sleep(10);
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assert(state==52); state = 20; if (verbose) printf("%s:%d\n", __FUNCTION__, __LINE__);
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return arg;
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}
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int test_main(int argc , char *const argv[] ) {
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assert(argc==1 || argc==2);
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if (argc==2) {
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assert(strcmp(argv[1],"-v")==0);
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verbose = 1;
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}
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int r;
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toku_pthread_rwlock_t rwlock;
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toku_pthread_t tid;
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void *retptr;
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r = toku_pthread_rwlock_init(&rwlock, NULL); assert(r == 0);
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state = 37; if (verbose) printf("%s:%d\n", __FUNCTION__, __LINE__);
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r = toku_pthread_rwlock_rdlock(&rwlock); assert(r == 0);
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r = toku_pthread_create(&tid, NULL, f, &rwlock); assert(r == 0);
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assert(state==37); state = 42; if (verbose) printf("%s:%d\n", __FUNCTION__, __LINE__);
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sleep(4);
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assert(state==16); state = 44; if (verbose) printf("%s:%d\n", __FUNCTION__, __LINE__);
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r = toku_pthread_rwlock_rdlock(&rwlock); assert(r == 0);
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assert(state==44); state = 46; if (verbose) printf("%s:%d\n", __FUNCTION__, __LINE__);
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r = toku_pthread_rwlock_rdunlock(&rwlock); assert(r == 0);
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sleep(4);
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assert(state==46); state=49; if (verbose) printf("%s:%d\n", __FUNCTION__, __LINE__); // still have a read lock
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r = toku_pthread_rwlock_rdunlock(&rwlock); assert(r == 0);
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sleep(6);
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assert(state==17); state=52; if (verbose) printf("%s:%d\n", __FUNCTION__, __LINE__);
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r = toku_pthread_join(tid, &retptr); assert(r == 0);
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r = toku_pthread_rwlock_destroy(&rwlock); assert(r == 0);
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return 0;
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}
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