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92 lines
1.5 KiB
C
92 lines
1.5 KiB
C
#include "io.h"
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#include <stdio.h>
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#if !defined(PTHREAD) && (defined(__dietlibc__) || defined(__linux__))
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#define THRD
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#include <threads.h>
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#else
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#include <pthread.h>
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#endif
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#include <unistd.h>
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iomux_t c;
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int worker(void* arg) {
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uintptr_t i=(uintptr_t)arg;
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char buf[100];
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int64 s;
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unsigned int events;
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write(1,buf,sprintf(buf,"starting thread %ld\n",i));
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switch (iom_wait(&c,&s,&events,1000)) {
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case -1:
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perror("iom_wait");
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return -1;
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case 0:
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write(1,buf,sprintf(buf,"timeout in thread %ld\n",i));
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return 0;
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case 1:
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write(1,buf,sprintf(buf,"input found by thread %8ld\n",i));
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return 1;
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}
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return 0;
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}
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#ifndef THRD
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void* workerwrapper(void* arg) {
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return (void*)(uintptr_t)worker(arg);
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}
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#endif
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int main() {
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iom_init(&c);
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if (iom_add(&c,0,IOM_READ)==-1) {
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perror("iom_add");
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return 1;
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}
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#ifdef THRD
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thrd_t x[4];
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#else
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pthread_t x[4];
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#endif
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int i;
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puts("launching threads");
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for (i=0; i<4; ++i)
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#ifdef THRD
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if (thrd_create(&x[i],worker,(void*)(uintptr_t)i)==-1)
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#else
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if (pthread_create(&x[i],0,workerwrapper,(void*)(uintptr_t)i)==-1)
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#endif
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{
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perror("thrd_create");
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return 111;
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}
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// sleep(1);
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// iom_abort(&c);
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puts("joining threads");
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int r;
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for (i=0; i<4; ++i) {
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#ifdef THRD
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if (thrd_join(x[i],&r)==-1)
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#else
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void* tmp;
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if (pthread_join(x[i],&tmp)!=-1)
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r=(int)(uintptr_t)tmp;
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else
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#endif
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{
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perror("thrd_join");
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return 111;
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}
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printf("thread %d returned %d\n",i,r);
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}
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fflush(stdout);
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return 0;
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}
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