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| author | Simon McVittie <simon.mcvittie@collabora.co.uk> | 2014-09-15 11:50:48 +0100 |
|---|---|---|
| committer | Simon McVittie <simon.mcvittie@collabora.co.uk> | 2014-09-15 11:50:48 +0100 |
| commit | ae50d46ff26de73ec5f8390abcca879340cb0962 (patch) | |
| tree | 3644d29665f3fadd0d686d08dbfa74eb9e95fa8a | |
| parent | 467f7a6d426a37ddc0f9401f592facad3d003dfa (diff) | |
On Linux, call prctl to disable core dumps
Whenever I forget to turn off corekeeper, the regression tests
take ages to record all test-segfault's crashes.
Bug: https://bugs.freedesktop.org/show_bug.cgi?id=83772
Reviewed-by: Alban Crequy <alban.crequy@collabora.co.uk>
| -rw-r--r-- | configure.ac | 4 | ||||
| -rw-r--r-- | test/test-segfault.c | 18 |
2 files changed, 21 insertions, 1 deletions
diff --git a/configure.ac b/configure.ac index b7b91bec..c41426f6 100644 --- a/configure.ac +++ b/configure.ac @@ -598,6 +598,10 @@ if test "x$ac_cv_header_syslog_h" = "xyes"; then AC_CHECK_DECLS([LOG_PERROR], [], [], [[#include <syslog.h>]]) fi +# For test-segfault.c +AC_CHECK_HEADERS_ONCE([sys/prctl.h]) +AC_CHECK_FUNCS_ONCE([prctl raise]) + #### Check for broken poll; taken from Glib's configure AC_MSG_CHECKING([for broken poll]) diff --git a/test/test-segfault.c b/test/test-segfault.c index 329a21fd..c062ce1c 100644 --- a/test/test-segfault.c +++ b/test/test-segfault.c @@ -9,18 +9,34 @@ #include <sys/resource.h> #endif +#ifdef HAVE_SYS_PRCTL_H +#include <sys/prctl.h> +#endif + int main (int argc, char **argv) { char *p; #if 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 + +#ifdef HAVE_RAISE raise (SIGSEGV); #endif p = NULL; |