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335b63d8d1
rename sllep_and_die -> xfunc_die make fflush_stdout_and_exit NOFORK-safe fix some buglets found by randomconfig
46 lines
1.0 KiB
C
46 lines
1.0 KiB
C
/* vi: set sw=4 ts=4: */
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/*
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* Utility routines.
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*
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* Copyright (C) 1999-2004 by Erik Andersen <andersen@codepoet.org>
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*
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* Licensed under GPLv2 or later, see file LICENSE in this tarball for details.
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*/
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#include "libbb.h"
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int die_sleep;
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#if ENABLE_FEATURE_EXEC_PREFER_APPLETS
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jmp_buf die_jmp;
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#endif
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void xfunc_die(void)
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{
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if (die_sleep) {
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if (ENABLE_FEATURE_EXEC_PREFER_APPLETS && die_sleep < 0) {
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/* Special case. We arrive here if NOFORK applet
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* calls xfunc, which then decides to die.
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* We don't die, but jump instead back to caller.
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* NOFORK applets still cannot carelessly call xfuncs:
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* p = xmalloc(10);
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* q = xmalloc(10); // BUG! if this dies, we leak p!
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*/
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/* -111 means "zero" (longjmp can't pass 0)
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* spawn_and_wait() catches -111. */
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longjmp(die_jmp, xfunc_error_retval ? xfunc_error_retval : -111);
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}
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sleep(die_sleep);
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}
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exit(xfunc_error_retval);
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}
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void bb_error_msg_and_die(const char *s, ...)
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{
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va_list p;
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va_start(p, s);
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bb_verror_msg(s, p, NULL);
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va_end(p);
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xfunc_die();
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}
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