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fs/procfs: Process status now includes task flags. Some strings modified to improved 'ps' command output

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This commit is contained in:
Gregory Nutt 2015-11-28 14:58:56 -06:00
parent 48da5aa496
commit 2e7d139cd3
1 changed files with 41 additions and 8 deletions
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49
fs/procfs/fs_procfsproc.c
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@ -303,17 +303,17 @@ static const struct proc_node_s * const g_groupinfo[] =
static const char *g_statenames[] =
{
"Invalid",
"Pending unlock",
"Waiting,Unlock",
"Ready",
"Running",
"Inactive",
"Semaphore wait",
#ifndef CONFIG_DISABLE_MQUEUE
"Signal wait",
"Waiting,Semaphore",
#ifndef CONFIG_DISABLE_SIGNALS
"Waiting,Signal",
#endif
#ifndef CONFIG_DISABLE_MQUEUE
"MQ not empty wait",
"MQ no full wait"
"Waiting,MQ empty",
"Waiting,MQ full"
#endif
};
@ -321,8 +321,8 @@ static const char *g_ttypenames[4] =
{
"Task",
"pthread",
"Kernel thread",
"--?--"
"Kthread",
"Invalid"
};
/****************************************************************************
@ -354,6 +354,21 @@ static FAR const struct proc_node_s *proc_findnode(FAR const char *relpath)
/****************************************************************************
* Name: proc_status
*
* Description:
* Format:
*
* 111111111122222222223
* 123456789012345678901234567890
* Name: xxxx... Task/thread name (See CONFIG_TASK_NAME_SIZE)
* Type: xxxxxxx {Task, pthread, Kthread, Invalid}
* State: xxxxxxxx,xxxxxxxxx {Invalid, Waiting, Ready, Running, Inactive},
* {Unlock, Semaphore, Signal, MQ empty, MQ full}
* Flags: xxx N,P,X
* Priority: nnn Decimal, 0-255
* Scheduler: xxxxxxxxxxxxxx {SCHED_FIFO, SCHED_RR, SCHED_SPORADIC, SCHED_OTHER}
* Sigmask: nnnnnnnn Hexadecimal, 32-bit
*
****************************************************************************/
static ssize_t proc_status(FAR struct proc_file_s *procfile,
@ -416,6 +431,24 @@ static ssize_t proc_status(FAR struct proc_file_s *procfile,
buffer += copysize;
remaining -= copysize;
if (totalsize >= buflen)
{
return totalsize;
}
/* Show task flags */
linesize = snprintf(procfile->line, STATUS_LINELEN, "%-12s%c%c%c\n", "Flags:",
tcb->flags & TCB_FLAG_NONCANCELABLE ? 'N' : '-',
tcb->flags & TCB_FLAG_CANCEL_PENDING ? 'P' : '-',
tcb->flags & TCB_FLAG_EXIT_PROCESSING ? 'P' : '-');
copysize = procfs_memcpy(procfile->line, linesize, buffer, remaining, &offset);
totalsize += copysize;
buffer += copysize;
remaining -= copysize;
if (totalsize >= buflen)
{
return totalsize;