源程式：
#include
#include
#include
#include
#include
#define bufsize 4
#define number 8
int sum_of_number=0;
sem_t write_res_number;
sem_t read_res_number;
struct recycle_buffer
re_buf;
pthread_mutex_t buffer_mutex=pthread_mutex_initializer;
void *prod(void *arg)
return null;
}void *consumer(void *arg)
return null;
}int main()
{pthread_t pid,cid;
int i;
re_buf.head=0;
re_buf.tail=0;
for(i=0;i1。
procuder -1210569840 write 0.
procuder -1210569840 write 1.
consumer -1218962544 read 0.
procuder -1210569840 write 2.
consumer -1218962544 read 1.
consumer -1218962544 read 2.
procuder -1210569840 write 3.
procuder -1210569840 write 4.
procuder -1210569840 write 5.
procuder -1210569840 write 6.
consumer -1218962544 read 3.
consumer -1218962544 read 4.
consumer -1218962544 read 5.
consumer -1218962544 read 6.
procuder -1210569840 write 7.
procuder -1210569840 write 8.
consumer -1218962544 read 7.
consumer -1218962544 read 8.
the sum of number is 3685
672。
procuder -1209984112 write 0.
procuder -1209984112 write 1.
procuder -1209984112 write 2.
procuder -1209984112 write 3.
consumer -1218376816 read 0.
consumer -1218376816 read 1.
consumer -1218376816 read 2.
consumer -1218376816 read 3.
procuder -1209984112 write 4.
procuder -1209984112 write 5.
procuder -1209984112 write 6.
procuder -1209984112 write 7.
consumer -1218376816 read 4.
consumer -1218376816 read 5.
consumer -1218376816 read 6.
consumer -1218376816 read 7.
procuder -1209984112 write 8.
consumer -1218376816 read 8.
the sum of number is 3685
67
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