spice测试程序01-test-loop.c

spice-server测试程序，开个头：
/root/spice-0.13.3/server/tests/test-loop.c

static void ignore_sigpipe(void){    struct sigaction act;    /*    struct sigaction{        //信号处理函数，或是SIG_IGN，或是SIG_DFL        void (*sa_handler)(int);        //增加阻塞信号        sigset_t sa_mask;        //信号选项        int sa_flags;        void (*sa_sigaction)(int, siginfo_t *, void *);    }    */    memset(&act, 0, sizeof(act));    //初始化&act.sa_mask指向的信号集，使其包括所有的信号    sigfillset(&act.sa_mask);    //遇到SIGPIPE信号时，本进程忽略。    act.sa_handler = SIG_IGN;    sigaction(SIGPIPE, &act, NULL);    /*    SIGPIPE:        <1>.如果在写到管道时读进程已经终止，则产生此信号。        <2>.当类型为SOCK_STREAM的套接字已不再连接时，进程写到该套接字也产生此信号        《UNIX环境高级编程》    */}SpiceCoreInterface *basic_event_loop_init(void){    ignore_sigpipe();    spice_assert(main_context == NULL);    main_context = g_main_context_new();    base_core_interface = event_loop_core;    base_core_interface.main_context = main_context;    return &core;}int main(int argc, char **argv){    SpiceTimer *timer, *timers[10];    int i, rc;    memset(timers, 0, sizeof(timers));    core = basic_event_loop_init();//    i = 0;    /* add a timer and delete to check is correctly deleted */    timer = core->timer_add(timer_err, NULL);    core->timer_start(timer, 1);    core->timer_remove(timer);    /* create timer, should not be executed */    timer = timers[i++] = core->timer_add(timer_err, NULL);    /* add a timer and cancel to check is not executed */    timer = timers[i++] = core->timer_add(timer_err, NULL);    core->timer_start(timer, 1);    core->timer_cancel(timer);    /* check we can remove timer inside a timer */    timer = to_delete_timer = core->timer_add(timer_del, NULL);    spice_assert(to_delete_timer != NULL);    core->timer_start(timer, 1);    /* create a timer that does something */    timer = timers[i++] = core->timer_add(timer_exit, NULL);    core->timer_start(timer, 10);    /* test events are not called when freed */    timer = twice_timers_remove[0] = core->timer_add(timer_not_twice_remove, NULL);    spice_assert(timer != NULL);    core->timer_start(timer, 2);    timer = twice_timers_remove[1] = core->timer_add(timer_not_twice_remove, NULL);    spice_assert(timer != NULL);    core->timer_start(timer, 2);    /* test events are not called when cancelled */    timer = timers[i++] = twice_timers_cancel[0] = core->timer_add(timer_not_twice, core);    spice_assert(timer != NULL);    core->timer_start(timer, 4);    timer = timers[i++] = twice_timers_cancel[1] = core->timer_add(timer_not_twice, core);    spice_assert(timer != NULL);    core->timer_start(timer, 4);    /* run the loop */    loop = g_main_loop_new(basic_event_loop_get_context(), FALSE);    alarm(1);    rc = pthread_create(&loop_thread, NULL, loop_func, NULL);    spice_assert(rc == 0);    rc = pthread_join(loop_thread, NULL);    spice_assert(rc == 0);    alarm(0);    g_main_loop_unref(loop);    /* delete executed ? */    spice_assert(to_delete_timer == NULL);    /* cleanup */    for (i = 0; i < G_N_ELEMENTS(timers); ++i) {        if (timers[i]) {            core->timer_remove(timers[i]);            timers[i] = NULL;        }    }    basic_event_loop_destroy();    return 0;}

//信号测试：

#include <stdlib.h>#include <stdio.h>#include <signal.h>#include <string.h>void  handler(int signo){        printf("sig: %d\n", signo);}static void ignore_sigpipe(void){    struct sigaction act;    memset(&act, 0, sizeof(act));    //sigemptyset(&act.sa_mask);    sigfillset(&act.sa_mask);    act.sa_handler = handler;    sigaction(SIGPIPE, &act, NULL);    //sigaction(SIGINT, &act, NULL);//ctrl +c}int main(){        ignore_sigpipe();        while(1);}