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procfs/group/fd: add path for every file descriptor 

Signed-off-by: Jiuzhu Dong <dongjiuzhu1@xiaomi.com>
This commit is contained in:
Jiuzhu Dong 2022-02-16 15:47:57 +08:00 committed by Xiang Xiao
parent 120fa93d7f
commit 4f79a1e22c
1 changed files with 20 additions and 4 deletions
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24
fs/procfs/fs_procfsproc.c
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@ -50,6 +50,7 @@
#include <nuttx/environ.h>
#include <nuttx/fs/fs.h>
#include <nuttx/fs/procfs.h>
#include <nuttx/fs/ioctl.h>
#include <nuttx/fs/dirent.h>
#include <nuttx/mm/mm.h>
@ -68,7 +69,7 @@
* to handle the longest line generated by this logic.
*/
#define STATUS_LINELEN 32
#define STATUS_LINELEN PATH_MAX
/****************************************************************************
* Private Type Definitions
@ -1164,6 +1165,7 @@ static ssize_t proc_groupfd(FAR struct proc_file_s *procfile,
{
FAR struct task_group_s *group = tcb->group;
FAR struct file *file;
char path[PATH_MAX];
size_t remaining;
size_t linesize;
size_t copysize;
@ -1177,8 +1179,8 @@ static ssize_t proc_groupfd(FAR struct proc_file_s *procfile,
totalsize = 0;
linesize = procfs_snprintf(procfile->line, STATUS_LINELEN,
"\n%-3s %-8s %s\n",
"FD", "POS", "OFLAGS");
"\n%-3s %-8s %-8s %s\n",
"FD", "POS", "OFLAGS", "PATH");
copysize = procfs_memcpy(procfile->line, linesize, buffer, remaining,
&offset);
@ -1203,8 +1205,13 @@ static ssize_t proc_groupfd(FAR struct proc_file_s *procfile,
if (file->f_inode && !INODE_IS_SOCKET(file->f_inode))
{
if (file_ioctl(file, FIOC_FILEPATH, path) < 0)
{
path[0] = '\0';
}
linesize = procfs_snprintf(procfile->line, STATUS_LINELEN,
"%3d %8ld %04x\n",
"%3d %8ld %8x",
i * CONFIG_NFILE_DESCRIPTORS_PER_BLOCK +
j, (long)file->f_pos,
file->f_oflags);
@ -1215,6 +1222,15 @@ static ssize_t proc_groupfd(FAR struct proc_file_s *procfile,
buffer += copysize;
remaining -= copysize;
linesize = procfs_snprintf(procfile->line, STATUS_LINELEN,
" %s\n", path);
copysize = procfs_memcpy(procfile->line, linesize, buffer,
remaining, &offset);
totalsize += copysize;
buffer += copysize;
remaining -= copysize;
if (totalsize >= buflen)
{
return totalsize;