ref: a351bcdccdf5a4273bc8dc3360a48fbb8b8aa9ea
dir: /src/tincr2.c/
#include <u.h> #include <libc.h> #include <thread.h> int cnt; void incrthread(void*) { int i; int loc; for (i = 0; i < 2; i++){ loc = cnt; loc++; sleep(0); cnt = loc; } print("cnt is %d\n", cnt); threadexits(nil); } void threadmain(int, char*[]) { threadcreate(incrthread, nil, 8*1024); incrthread(nil); }