/* This Hello World demostrate a simple multithread program */ #define DO_BENCH 1 #include "pal.h" #include "pal_debug.h" int main(int argc, char** argv) { if (argc == 1) { char id[2] = {'0', 0}; const char* newargs[] = {"Broadcast", id, NULL}; PAL_HANDLE proc[4]; int i; for (i = 0; i < 4; i++) { id[0] = '0' + i + 1; proc[i] = DkProcessCreate("file:Broadcast", newargs); } DkThreadDelayExecution(1000000); DkStreamWrite(pal_control.broadcast_stream, 0, 12, "Hello World", NULL); for (i = 0; i < 4; i++) { char byte; DkStreamRead(proc[i], 0, 1, &byte, NULL, 0); pal_printf("process %d exited\n", i + 1); } } else { char bytes[12]; pal_printf("process %s started\n", argv[1]); DkStreamRead(pal_control.broadcast_stream, 0, 12, bytes, NULL, 0); pal_printf("process %s received: %s\n", argv[1], bytes); DkStreamWrite(pal_control.parent_process, 0, 1, "0", NULL); } return 0; }