avoid all malloc/free in timer creation/destruction

[musl] / src / time / timer_delete.c

#include <time.h>
#include "pthread_impl.h"

int timer_delete(timer_t t)
{
        pthread_t td = 0;
        int r;
        if ((uintptr_t)t & 1) t = (void *)((unsigned long)t / 2);
        else td = t, t = td->result;
        r = __syscall(SYS_timer_delete, (long)t);
        if (td) pthread_cancel(td);
        return r;
}