60 lines
1.8 KiB
Diff
60 lines
1.8 KiB
Diff
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From 246592d8f7eaf899ec6292cac4985f7bcc8b65fd Mon Sep 17 00:00:00 2001
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From: Lennart Poettering <lennart@poettering.net>
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Date: Wed, 20 Nov 2013 22:11:10 +0100
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Subject: [PATCH] valgrind: make running PID 1 in valgrind useful
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Since valgrind only generates useful output on exit() (rather than
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exec()) we need to explicitly exit when valgrind is detected.
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Conflicts:
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src/core/main.c
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---
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configure.ac | 2 +-
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src/core/main.c | 13 +++++++++++++
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2 files changed, 14 insertions(+), 1 deletion(-)
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diff --git a/configure.ac b/configure.ac
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index 9904e25..6232cf8 100644
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--- a/configure.ac
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+++ b/configure.ac
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@@ -814,7 +814,7 @@ AC_DEFINE_UNQUOTED(TELINIT, ["$TELINIT"], [Path to telinit])
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AC_SUBST(TELINIT)
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-AC_CHECK_HEADERS_ONCE([valgrind/memcheck.h])
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+AC_CHECK_HEADERS_ONCE([valgrind/memcheck.h valgrind/valgrind.h])
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# ------------------------------------------------------------------------------
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have_myhostname=no
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diff --git a/src/core/main.c b/src/core/main.c
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index 00fd394..58c3a9e 100644
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--- a/src/core/main.c
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+++ b/src/core/main.c
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@@ -34,6 +34,10 @@
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#include <sys/prctl.h>
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#include <sys/mount.h>
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+#ifdef HAVE_VALGRIND_VALGRIND_H
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+#include <valgrind/valgrind.h>
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+#endif
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+
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#include "manager.h"
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#include "log.h"
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#include "load-fragment.h"
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@@ -1855,6 +1859,15 @@ finish:
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if (fds)
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fdset_free(fds);
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+#ifdef HAVE_VALGRIND_VALGRIND_H
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+ /* If we are PID 1 and running under valgrind, then let's exit
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+ * here explicitly. valgrind will only generate nice output on
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+ * exit(), not on exec(), hence let's do the former not the
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+ * latter here. */
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+ if (getpid() == 1 && RUNNING_ON_VALGRIND)
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+ return 0;
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+#endif
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+
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if (shutdown_verb) {
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const char * command_line[] = {
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SYSTEMD_SHUTDOWN_BINARY_PATH,
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