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| author | Simon McVittie <smcv@collabora.com> | 2018-11-20 12:48:40 +0000 |
|---|---|---|
| committer | Simon McVittie <smcv@collabora.com> | 2018-11-20 12:58:17 +0000 |
| commit | 77327b7bd897985261315e38e8524c21c266b1f0 (patch) | |
| tree | 8884e769491908e678464bc6085d055f882d3827 /dbus/dbus-sysdeps-util-unix.c | |
| parent | 16d2453ffada1d0c84996f392c7e4cad091da715 (diff) | |
| download | dbus-77327b7bd897985261315e38e8524c21c266b1f0.tar.gz | |
_dbus_disable_crash_handling: Factor out from test-segfault
Signed-off-by: Simon McVittie <smcv@collabora.com>
Diffstat (limited to 'dbus/dbus-sysdeps-util-unix.c')
| -rw-r--r-- | dbus/dbus-sysdeps-util-unix.c | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/dbus/dbus-sysdeps-util-unix.c b/dbus/dbus-sysdeps-util-unix.c index 262dcfde..3e74cf17 100644 --- a/dbus/dbus-sysdeps-util-unix.c +++ b/dbus/dbus-sysdeps-util-unix.c @@ -52,6 +52,10 @@ #include <dirent.h> #include <sys/un.h> +#ifdef HAVE_SYS_PRCTL_H +#include <sys/prctl.h> +#endif + #ifdef HAVE_SYS_SYSLIMITS_H #include <sys/syslimits.h> #endif @@ -1583,3 +1587,28 @@ _dbus_daemon_report_stopping (void) sd_notify (0, "STOPPING=1"); #endif } + +/** + * Try to disable core dumps and similar special crash handling. + */ +void +_dbus_disable_crash_handling (void) +{ +#ifdef HAVE_SETRLIMIT + /* No core dumps please, we know we crashed. */ + struct rlimit r = { 0, }; + + getrlimit (RLIMIT_CORE, &r); + r.rlim_cur = 0; + setrlimit (RLIMIT_CORE, &r); +#endif + +#if defined(HAVE_PRCTL) && defined(PR_SET_DUMPABLE) + /* Really, no core dumps please. On Linux, if core_pattern is + * set to a pipe (for abrt/apport/corekeeper/etc.), RLIMIT_CORE of 0 + * is ignored (deliberately, so people can debug init(8) and other + * early stuff); but Linux has PR_SET_DUMPABLE, so we can avoid core + * dumps anyway. */ + prctl (PR_SET_DUMPABLE, 0, 0, 0, 0); +#endif +} |