1 #include <u.h> 2 #include <libc.h> 3 #include <fcall.h> 4 5 Waitmsg* wait(void)6wait(void) 7 { 8 int n, l; 9 char buf[512], *fld[5]; 10 Waitmsg *w; 11 12 n = await(buf, sizeof buf-1); 13 if(n < 0) 14 return nil; 15 buf[n] = '\0'; 16 if(tokenize(buf, fld, nelem(fld)) != nelem(fld)){ 17 werrstr("couldn't parse wait message"); 18 return nil; 19 } 20 l = strlen(fld[4])+1; 21 w = malloc(sizeof(Waitmsg)+l); 22 if(w == nil) 23 return nil; 24 w->pid = atoi(fld[0]); 25 w->time[0] = atoi(fld[1]); 26 w->time[1] = atoi(fld[2]); 27 w->time[2] = atoi(fld[3]); 28 w->msg = (char*)&w[1]; 29 memmove(w->msg, fld[4], l); 30 return w; 31 } 32 33