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tcpdump: Close pcap dumper at program exit

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Update #4649.
This commit is contained in:
Sebastian Huber 2022-05-11 08:13:38 +02:00
parent d5fdfbb77a
commit cb01e5b2a1
1 changed files with 13 additions and 0 deletions
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13
freebsd/contrib/tcpdump/tcpdump.c
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@ -1269,6 +1269,13 @@ pcap_loop_wrapper(pcap_t *pd, int cnt, pcap_handler cb, u_char *ud)
} }
#define pcap_loop(pd, cnt, cb, ud) pcap_loop_wrapper(pd, cnt, cb, ud) #define pcap_loop(pd, cnt, cb, ud) pcap_loop_wrapper(pd, cnt, cb, ud)
static void
destroy_pcap_dumper(void *arg)
{
pcap_dump_close(arg);
}
#endif /* __rtems__ */ #endif /* __rtems__ */
int int
#ifndef __rtems__ #ifndef __rtems__
@ -2125,6 +2132,12 @@ main(int argc, char **argv)
if (Uflag) if (Uflag)
pcap_dump_flush(p); pcap_dump_flush(p);
#endif #endif
#ifdef __rtems__
if (rtems_bsd_program_add_destructor(destroy_pcap_dumper, p) ==
NULL) {
error("cannot add destructor");
}
#endif /* __rtems__ */
} else { } else {
dlt = pcap_datalink(pd); dlt = pcap_datalink(pd);
ndo->ndo_if_printer = get_if_printer(ndo, dlt); ndo->ndo_if_printer = get_if_printer(ndo, dlt);