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Commit 09d93bd6 authored by Alexey Dobriyan's avatar Alexey Dobriyan Committed by Linus Torvalds
Browse files

proc: convert /proc/$PID/syscall to seq_file interface 



Signed-off-by: default avatarAlexey Dobriyan <adobriyan@gmail.com>
Signed-off-by: default avatarAndrew Morton <akpm@linux-foundation.org>
Signed-off-by: default avatarLinus Torvalds <torvalds@linux-foundation.org>
parent 1c963eb1

fs/proc/base.c

+7 −6
Original line number Diff line number Diff line
@@ -482,7 +482,8 @@ static int proc_pid_limits(struct seq_file *m, struct pid_namespace *ns, 
}



#ifdef CONFIG_HAVE_ARCH_TRACEHOOK

static int proc_pid_syscall(struct task_struct *task, char *buffer)

static int proc_pid_syscall(struct seq_file *m, struct pid_namespace *ns,

			    struct pid *pid, struct task_struct *task)

{

	long nr;

	unsigned long args[6], sp, pc;
@@ -491,11 +492,11 @@ static int proc_pid_syscall(struct task_struct *task, char *buffer) 
		return res;



	if (task_current_syscall(task, &nr, args, 6, &sp, &pc))

		res = sprintf(buffer, "running\n");

		seq_puts(m, "running\n");

	else if (nr < 0)

		res = sprintf(buffer, "%ld 0x%lx 0x%lx\n", nr, sp, pc);

		seq_printf(m, "%ld 0x%lx 0x%lx\n", nr, sp, pc);

	else

		res = sprintf(buffer,

		seq_printf(m,

		       "%ld 0x%lx 0x%lx 0x%lx 0x%lx 0x%lx 0x%lx 0x%lx 0x%lx\n",

		       nr,

		       args[0], args[1], args[2], args[3], args[4], args[5],
@@ -2564,7 +2565,7 @@ static const struct pid_entry tgid_base_stuff[] = { 
#endif

	REG("comm",      S_IRUGO|S_IWUSR, proc_pid_set_comm_operations),

#ifdef CONFIG_HAVE_ARCH_TRACEHOOK

	INF("syscall",    S_IRUSR, proc_pid_syscall),

	ONE("syscall",    S_IRUSR, proc_pid_syscall),

#endif

	INF("cmdline",    S_IRUGO, proc_pid_cmdline),

	ONE("stat",       S_IRUGO, proc_tgid_stat),
@@ -2900,7 +2901,7 @@ static const struct pid_entry tid_base_stuff[] = { 
#endif

	REG("comm",      S_IRUGO|S_IWUSR, proc_pid_set_comm_operations),

#ifdef CONFIG_HAVE_ARCH_TRACEHOOK

	INF("syscall",   S_IRUSR, proc_pid_syscall),

	ONE("syscall",   S_IRUSR, proc_pid_syscall),

#endif

	INF("cmdline",   S_IRUGO, proc_pid_cmdline),

	ONE("stat",      S_IRUGO, proc_tid_stat),