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r10068: Use prctl(PR_SET_DUMPABLE) to make sure we can always leave a good

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looking corpse on Linux.
(This used to be commit 7c97a1bcc3)
This commit is contained in:
James Peach 2005-09-08 01:05:16 +00:00 committed by Gerald (Jerry) Carter
parent 378ebea946
commit ac01fda2b9
2 changed files with 22 additions and 1 deletions
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11
source3/configure.in
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@ -733,7 +733,7 @@ AC_HEADER_SYS_WAIT
AC_CHECK_HEADERS(aio.h arpa/inet.h sys/fcntl.h sys/select.h fcntl.h sys/time.h sys/unistd.h rpc/nettype.h)
AC_CHECK_HEADERS(unistd.h utime.h grp.h sys/id.h limits.h memory.h alloca.h)
AC_CHECK_HEADERS(rpc/rpc.h rpcsvc/nis.h rpcsvc/ypclnt.h)
AC_CHECK_HEADERS(sys/param.h ctype.h sys/wait.h sys/resource.h sys/ioctl.h sys/ipc.h)
AC_CHECK_HEADERS(sys/param.h ctype.h sys/wait.h sys/resource.h sys/ioctl.h sys/ipc.h sys/prctl.h)
AC_CHECK_HEADERS(sys/mman.h sys/filio.h sys/priv.h sys/shm.h string.h strings.h stdlib.h sys/socket.h)
AC_CHECK_HEADERS(sys/un.h)
AC_CHECK_HEADERS(sys/mount.h sys/vfs.h sys/fs/s5param.h sys/filsys.h termios.h termio.h)
@ -1160,6 +1160,15 @@ AC_CHECK_FUNCS(__sys_llseek llseek _llseek __llseek readdir64 _readdir64 __readd
AC_CHECK_FUNCS(pread _pread __pread pread64 _pread64 __pread64)
AC_CHECK_FUNCS(pwrite _pwrite __pwrite pwrite64 _pwrite64 __pwrite64)
AC_CHECK_FUNCS(open64 _open64 __open64 creat64)
AC_CHECK_FUNCS(prctl)
AC_TRY_COMPILE([
#ifdef HAVE_SYS_PRCTL_H
#include <sys/prctl.h>
#endif
],
[int i; i = prtcl(0); ],
AC_DEFINE(HAVE_PRCTL, 1, [Whether prctl is available]),[])
#
#

12
source3/smbd/server.c
View File

@ -22,6 +22,10 @@
#include "includes.h"
#ifdef HAVE_SYS_PRCTL_H
#include <sys/prctl.h>
#endif
static int am_parent = 1;
/* the last message the was processed */
@ -915,6 +919,14 @@ void build_options(BOOL screen);
* everything after this point is run after the fork()
*/
#if defined(HAVE_PRCTL) && defined(PR_SET_DUMPABLE)
/* On Linux we lose the ability to dump core when we change our user
* ID. We know how to dump core safely, so let's make sure we have our
* dumpable flag set.
*/
prctl(PR_SET_DUMPABLE, 1);
#endif
/* Initialise the password backed before the global_sam_sid
to ensure that we fetch from ldap before we make a domain sid up */