We would like to have an ability to restore command line arguments and envirion pointers so the task being restored would print appropriate values in /proc/pid/cmdline and /proc/pid/envirion. The exit_code is needed to restore zombie tasks. Signed-off-by: Cyrill Gorcunov Cc: Pavel Emelyanov Cc: Serge Hallyn Cc: Kees Cook Cc: KAMEZAWA Hiroyuki Cc: Alexey Dobriyan Cc: Tejun Heo Cc: Andrew Vagin Cc: Vasiliy Kulikov Cc: Alexey Dobriyan Cc: "Eric W. Biederman" --- Documentation/filesystems/proc.txt | 5 +++++ fs/proc/array.c | 23 ++++++++++++++++++----- 2 files changed, 23 insertions(+), 5 deletions(-) Index: linux-2.6.git/Documentation/filesystems/proc.txt =================================================================== --- linux-2.6.git.orig/Documentation/filesystems/proc.txt +++ linux-2.6.git/Documentation/filesystems/proc.txt @@ -311,6 +311,11 @@ Table 1-4: Contents of the stat files (a start_data address above which program data+bss is placed end_data address below which program data+bss is placed start_brk address above which program heap can be expanded with brk() + arg_start address above which program command line is placed + arg_end address below which program command line is placed + env_start address above which program environment is placed + env_end address below which program environment is placed + exit_code the thread's exit_code in the form reported by the waitpid system call .............................................................................. The /proc/PID/maps file containing the currently mapped memory regions and Index: linux-2.6.git/fs/proc/array.c =================================================================== --- linux-2.6.git.orig/fs/proc/array.c +++ linux-2.6.git/fs/proc/array.c @@ -464,7 +464,7 @@ static int do_task_stat(struct seq_file seq_printf(m, "%d (%s) %c %d %d %d %d %d %u %lu \ %lu %lu %lu %lu %lu %ld %ld %ld %ld %d 0 %llu %lu %ld %lu %lu %lu %lu %lu \ -%lu %lu %lu %lu %lu %lu %lu %lu %d %d %u %u %llu %lu %ld %lu %lu %lu\n", +%lu %lu %lu %lu %lu %lu %lu %lu %d %d %u %u %llu %lu %ld ", pid_nr_ns(pid, ns), tcomm, state, @@ -511,10 +511,23 @@ static int do_task_stat(struct seq_file task->policy, (unsigned long long)delayacct_blkio_ticks(task), cputime_to_clock_t(gtime), - cputime_to_clock_t(cgtime), - (mm && permitted) ? mm->start_data : 0, - (mm && permitted) ? mm->end_data : 0, - (mm && permitted) ? mm->start_brk : 0); + cputime_to_clock_t(cgtime)); + + if (mm && permitted) { + seq_printf(m, "%lu %lu %lu %lu %lu %lu %lu ", + mm->start_data, + mm->end_data, + mm->start_brk, + mm->arg_start, + mm->arg_end, + mm->env_start, + mm->env_end); + } else { + seq_printf(m, "0 0 0 0 0 0 0 "); + } + + seq_printf(m, "%d\n", task->exit_code); + if (mm) mmput(mm); return 0; -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/