ref: c6d4cd09a395a24ee993c1edf1031e5b01adddde
dir: /sys/src/libthread/debug.c/
#include <u.h> #include <libc.h> #include <thread.h> #include "threadimpl.h" int _threaddebuglevel; void _threaddebug(ulong flag, char *fmt, ...) { char buf[128]; va_list arg; Fmt f; Proc *p; if((_threaddebuglevel&flag) == 0) return; 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) { char buf[256]; int n; Proc *p; p = _threadgetproc(); if(p && p->thread) n = sprint(buf, "%d.%d ", p->pid, p->thread->id); else n = 0; snprint(buf+n, sizeof(buf)-n, "%s: assertion failed\n", s); write(2, buf, strlen(buf)); abort(); }