ref: 1e9bb75854a336de2a63f9a4fb4d67dd75d682f1
dir: /sys/src/libthread/debug.c/
#include <u.h> #include <libc.h> #include <thread.h> #include "threadimpl.h" int _threaddebuglevel; void _threadprint(char *fmt, ...) { char buf[128]; va_list arg; Fmt f; Proc *p; fmtfdinit(&f, 2, buf, sizeof buf); p = _threadgetproc(); if(p==nil) fmtprint(&f, "noproc "); else if(p->thread) fmtprint(&f, "%d.%d ", p->pid, p->thread->id); else fmtprint(&f, "%d._ ", p->pid); va_start(arg, fmt); fmtvprint(&f, fmt, arg); va_end(arg); fmtprint(&f, "\n"); fmtfdflush(&f); } void _threadassert(char *s) { _threadprint("%s: assertion failed", s); abort(); }