ref: 51afb6e1319846bf3f1a4ab6cf69fdf7cf3865e1
dir: /kern/waserror.c/
#include "u.h" #include "lib.h" #include "dat.h" #include "fns.h" #include "error.h" Label* pwaserror(void) { if(up->nerrlab == NERR) panic("error stack overflow"); return &up->errlab[up->nerrlab++]; } void nexterror(void) { longjmp(up->errlab[--up->nerrlab].buf, 1); } void error(char *e) { kstrcpy(up->errstr, e, ERRMAX); setjmp(up->errlab[NERR-1].buf); nexterror(); }