??????н??
???????????????????????????????????????????????????????????????
????????????У?????????????е???????????????
#include <pthread.h>
#include <stdio.h>
#include <signal.h>
pthread_t t1??t2;
pthread_mutex_t m1??m2;
pthread_cond_t c;
void *r1(void *d)
{
while(1)
{
pthread_mutex_lock(&m1);
printf("wait ");
pthread_cond_wait(&c??&m2);
pthread_mutex_unlock(&m1);
}
}
void *r2(void *d)
{
while(1)
{
pthread_mutex_lock(&m1);
printf("signal ");
pthread_cond_signal(&c);
pthread_mutex_unlock(&m1);
}
}
main()
{
pthread_cond_init(&c??0);
pthread_mutex_init(&m1??0);
pthread_mutex_init(&m2??0);
pthread_create(&t1??0??r1??0);
pthread_create(&t2??0??r2??0);
while(1);
/*
pthread_join(t1??0);
pthread_join(t2??0);
pthread_mutex_destroy(&m2);
pthread_mutex_destroy(&m1);
pthread_cond_destroy(&c);*/
}
??????н??????????е??????????????????????????
??????????????????????????????????????????????
#include <pthread.h>
#include <stdio.h>
#include <signal.h>
pthread_t t1??t2;
pthread_mutex_t m1??m2;
pthread_cond_t c;
void *r1(void *d)
{
while(1)
{
pthread_mutex_lock(&m1);
printf("wait ");
pthread_cond_wait(&c??&m1);
pthread_mutex_unlock(&m1);
}
}
void *r2(void *d)
{
while(1)
{
pthread_mutex_lock(&m1);
printf("signal ");
pthread_cond_signal(&c);
pthread_mutex_unlock(&m1);
}
}
main()
{
pthread_cond_init(&c??0);
pthread_mutex_init(&m1??0);
pthread_mutex_init(&m2??0);
pthread_create(&t1??0??r1??0);
pthread_create(&t2??0??r2??0);
while(1);
/*
pthread_join(t1??0);
pthread_join(t2??0);
pthread_mutex_destroy(&m2);
pthread_mutex_destroy(&m1);
pthread_cond_destroy(&c);*/
}