diff options
Diffstat (limited to 'fs/proc/array.c')
-rw-r--r-- | fs/proc/array.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/fs/proc/array.c b/fs/proc/array.c index ff869a66b34e..49283b8103c7 100644 --- a/fs/proc/array.c +++ b/fs/proc/array.c @@ -69,7 +69,6 @@ #include <linux/sched/cputime.h> #include <linux/proc_fs.h> #include <linux/ioport.h> -#include <linux/uaccess.h> #include <linux/io.h> #include <linux/mm.h> #include <linux/hugetlb.h> @@ -88,10 +87,10 @@ #include <linux/pid_namespace.h> #include <linux/prctl.h> #include <linux/ptrace.h> -#include <linux/tracehook.h> #include <linux/string_helpers.h> #include <linux/user_namespace.h> #include <linux/fs_struct.h> +#include <linux/kthread.h> #include <asm/processor.h> #include "internal.h" @@ -100,8 +99,14 @@ void proc_task_name(struct seq_file *m, struct task_struct *p, bool escape) { char tcomm[64]; + /* + * Test before PF_KTHREAD because all workqueue worker threads are + * kernel threads. + */ if (p->flags & PF_WQ_WORKER) wq_worker_comm(tcomm, sizeof(tcomm), p); + else if (p->flags & PF_KTHREAD) + get_kthread_comm(tcomm, sizeof(tcomm), p); else __get_task_comm(tcomm, sizeof(tcomm), p); @@ -274,7 +279,7 @@ static inline void task_sig(struct seq_file *m, struct task_struct *p) collect_sigign_sigcatch(p, &ignored, &caught); num_threads = get_nr_threads(p); rcu_read_lock(); /* FIXME: is this correct? */ - qsize = get_ucounts_value(task_ucounts(p), UCOUNT_RLIMIT_SIGPENDING); + qsize = get_rlimit_value(task_ucounts(p), UCOUNT_RLIMIT_SIGPENDING); rcu_read_unlock(); qlim = task_rlimit(p, RLIMIT_SIGPENDING); unlock_task_sighand(p, &flags); @@ -468,6 +473,7 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns, u64 cgtime, gtime; unsigned long rsslim = 0; unsigned long flags; + int exit_code = task->exit_code; state = *get_task_state(task); vsize = eip = esp = 0; @@ -531,6 +537,9 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns, maj_flt += sig->maj_flt; thread_group_cputime_adjusted(task, &utime, &stime); gtime += sig->gtime; + + if (sig->flags & (SIGNAL_GROUP_EXIT | SIGNAL_STOP_STOPPED)) + exit_code = sig->group_exit_code; } sid = task_session_nr_ns(task, ns); @@ -630,7 +639,7 @@ static int do_task_stat(struct seq_file *m, struct pid_namespace *ns, seq_puts(m, " 0 0 0 0 0 0 0"); if (permitted) - seq_put_decimal_ll(m, " ", task->exit_code); + seq_put_decimal_ll(m, " ", exit_code); else seq_puts(m, " 0"); |