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s3:lib/util: make sure panic action can attach a debugger on ubuntu (>=10.10)

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By default user processes can't attach a debugger to a process.
So explicitly allow that for all child processes, before calling
the panic action script.

metze

Autobuild-User: Stefan Metzmacher <metze@samba.org>
Autobuild-Date: Tue Oct  4 12:51:35 CEST 2011 on sn-devel-104
This commit is contained in:
Stefan Metzmacher 2011-10-04 10:47:46 +02:00
parent f2b795e9cf
commit 4c6bfac12a
1 changed files with 11 additions and 0 deletions
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11
source3/lib/util.c
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@ -31,6 +31,10 @@
#include <ccan/hash/hash.h>
#include "libcli/security/security.h"
#ifdef HAVE_SYS_PRCTL_H
#include <sys/prctl.h>
#endif
/* Max allowable allococation - 256mb - 0x10000000 */
#define MAX_ALLOC_SIZE (1024*1024*256)
@ -778,6 +782,13 @@ void smb_panic_s3(const char *why)
(unsigned long long)sys_getpid(), why));
log_stack_trace();
#if defined(HAVE_PRCTL) && defined(PR_SET_PTRACER)
/*
* Make sure all children can attach a debugger.
*/
prctl(PR_SET_PTRACER, getpid(), 0, 0, 0);
#endif
cmd = lp_panic_action();
if (cmd && *cmd) {
DEBUG(0, ("smb_panic(): calling panic action [%s]\n", cmd));