Nils O. Selåsdal
71 lines
1.3 KiB
C
71 lines
1.3 KiB
C
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#include <stdio.h>
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#include <stdlib.h>
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#include <signal.h>
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#include <ucore/ucore_threadqueue.h>
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struct uc_threadqueue queue;
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struct my_msg {
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struct uc_threadmsg uc_msg;
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int sig;
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};
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void *handler(void *arg)
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{
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for (;;) {
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struct uc_threadmsg *msg;
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struct my_msg *my;
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if (uc_thread_queue_get(&queue, NULL, &msg) != 0) {
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printf("uc_threadqueue_get failed\n");
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return NULL;
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}
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my = (struct my_msg*)msg;
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printf("handler got signal %d\n", my->sig);
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free(my);
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}
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return NULL;
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}
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int main(int argc, char *argv[])
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{
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pthread_t tid1,tid2;
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int i;
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sigset_t set;
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sigset_t oldset;
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sigemptyset(&set);
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sigaddset(&set, SIGUSR1);
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sigaddset(&set, SIGUSR2);
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sigaddset(&set, SIGHUP);
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if(pthread_sigmask(SIG_BLOCK, &set, &oldset) != 0) {
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perror("pthread_sigmask 1");
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}
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uc_thread_queue_init(&queue, 1);
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if (pthread_create(&tid2, NULL, handler, NULL) != 0) {
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perror("pthread_create");
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return 1;
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}
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for (;;) {
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int sig;
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if(sigwait(&set, &sig) != 0) {
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perror("sigwait");
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break;
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}
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struct my_msg *msg = malloc(sizeof *msg);
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msg->sig = sig;
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uc_thread_queue_add(&queue, msg);
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}
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return 0;
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}
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