daemonize() calls set_special_pids(1,1), while init and
kernel threads spawned from init/main.c:init() run with
0,0 special pids. This patch changes INIT_SIGNALS() so
that that they run with ->pgrp == ->session == 1 also.
This patch relies on fact that swapper's pid == 1.
Now we never use pid == 0 in kernel/pid.c.
[ Andrew, this patch obsoletes "[PATCH] pid: Don't hash pid 0.",
filename pid-dont-hash-pid-0.patch ].
Signed-off-by: Oleg Nesterov <[email protected]>
--- RC-1/include/linux/init_task.h~ZEROPID 2005-11-22 19:35:52.000000000 +0300
+++ RC-1/include/linux/init_task.h 2006-01-30 15:12:46.000000000 +0300
@@ -62,6 +62,8 @@
.posix_timers = LIST_HEAD_INIT(sig.posix_timers), \
.cpu_timers = INIT_CPU_TIMERS(sig.cpu_timers), \
.rlim = INIT_RLIMITS, \
+ .pgrp = 1, \
+ .session = 1, \
}
#define INIT_SIGHAND(sighand) { \
-
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