This little piece of code should keep running forever without any trouble.
However, when I ran it at my end it results in deadlock situation.
I apparently can't see any reason for deadlock. Please can someone have a
quick look to ensure I am not doing anything in wrong order here.
(This is on Windows XP. I am using libuv-v1.0.0. Also, I've set threadpool
size to 31 before running the code)
#include <uv.h>
uv_work_t gWorkT[31];
uv_rwlock_t g_rwlLock;
void rd_wr_locks_in_thread(uv_work_t* work_t)
{
static int value = 0;
while(1)
{
uv_rwlock_rdlock(&g_rwlLock);
BOOL isvalueodd = value % 2;
uv_rwlock_rdunlock(&g_rwlLock);
uv_rwlock_wrlock(&g_rwlLock);
value ++;
uv_rwlock_wrunlock(&g_rwlLock);
}
}
void after_rd_wr_locks_in_thread(uv_work_t* work_t, int status)
{
}
int main()
{
loop = uv_default_loop();
int retval = uv_rwlock_init(&g_rwlLock);
if (retval < 0)
{
printf("\nError initilizing lock");
return -1;
}
for (int i=0; i<31; i++)
{
int RetVal = uv_queue_work(loop, &gWorkT[i], rd_wr_locks_in_thread,
after_rd_wr_locks_in_thread);
}
return uv_run(loop, UV_RUN_DEFAULT);
}
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