Note that this changes the behaviour only for non-interactive init scripts, not for all init scripts in a parallel boot. The current behaviour of startpar when running interactive init scripts is correct and it is a bug in initscripts that interrupting a periodic fsck is treated as failure. I have opened a separate bug (#608534) to cover that (it's not possible to clone merged bugs).
Ben.
diff -u sysvinit-2.88dsf/debian/changelog sysvinit-2.88dsf/debian/changelog
--- sysvinit-2.88dsf/debian/changelog
+++ sysvinit-2.88dsf/debian/changelog
@@ -1,3 +1,10 @@
+sysvinit (2.88dsf-13.1) unstable; urgency=low
+
+ * Non-maintainer upload.
+ * Disable SIGINT for non-interactive init scripts (Closes: #582442)
+
+ -- Ben Hutchings <b...@decadent.org.uk> Sat, 01 Jan 2011 03:45:28 +0000
+
sysvinit (2.88dsf-13) unstable; urgency=low
[ Kel Modderman ]
diff -u sysvinit-2.88dsf/debian/startpar/patches/series
sysvinit-2.88dsf/debian/startpar/patches/series
--- sysvinit-2.88dsf/debian/startpar/patches/series
+++ sysvinit-2.88dsf/debian/startpar/patches/series
@@ -9,0 +10 @@
+09_noninteractive_ignore_sigint.patch
only in patch2:
unchanged:
---
sysvinit-2.88dsf.orig/debian/startpar/patches/09_noninteractive_ignore_sigint.patch
+++
sysvinit-2.88dsf/debian/startpar/patches/09_noninteractive_ignore_sigint.patch
@@ -0,0 +1,30 @@
+--- a/startpar.c
++++ b/startpar.c
+@@ -397,7 +397,6 @@
+ if (p->pid != 0)
+ return;
+
+- (void)signal(SIGINT, SIG_DFL);
+ (void)signal(SIGQUIT, SIG_DFL);
+ (void)signal(SIGSEGV, SIG_DFL);
+ (void)signal(SIGTERM, SIG_DFL);
+@@ -511,7 +510,9 @@
+
+ if (pid == 0)
+ {
++ /* Interactive init scripts may be interrupted */
+ (void)signal(SIGINT, SIG_DFL);
++
+ (void)signal(SIGQUIT, SIG_DFL);
+ (void)signal(SIGSEGV, SIG_DFL);
+ (void)signal(SIGTERM, SIG_DFL);
+@@ -700,6 +701,9 @@
+ char *splashopt = 0;
+ int notty = 0;
+
++ /* By default, init scripts should not be interruptible */
++ (void)signal(SIGINT, SIG_IGN);
++
+ (void)signal(SIGUSR1, sighandler_preload);
+ (void)signal(SIGUSR2, sighandler_nopreload);
+
--- END ---
--
Ben Hutchings
Once a job is fouled up, anything done to improve it makes it worse.
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