void killall()
{
// printf("Sending SIGUSR1 to all processes now\n");
/* iterate through all tasks and send kill signal */
sched_foreach(kill_task, NULL);
}
void _exit(int status)
{
FAR struct tcb_s* tcb;
/* Disable interrupts. Interrupts will remain disabled until
* the new task is resumed below.
*/
(void)irqsave();
slldbg("TCB=%p exitting\n", tcb);
#if defined(CONFIG_DUMP_ON_EXIT) && defined(CONFIG_DEBUG)
lldbg("Other tasks:\n");
sched_foreach(_up_dumponexit, NULL);
#endif
/* Destroy the task at the head of the ready to run list. */
(void)task_deletecurrent();
/* Now, perform the context switch to the new ready-to-run task at the
* head of the list.
*/
tcb = (FAR struct tcb_s*)g_readytorun.head;
slldbg("New Active Task TCB=%p\n", tcb);
/* Then switch contexts */
RESTORE_USERCONTEXT(tcb);
}
void _exit(int status)
{
_TCB* tcb;
/* Disable interrupts. They will be restored when the next
* task is started.
*/
(void)irqsave();
slldbg("TCB=%p exitting\n", g_readytorun.head);
#if defined(CONFIG_DUMP_ON_EXIT) && defined(CONFIG_DEBUG)
slldbg("Other tasks:\n");
sched_foreach(_up_dumponexit, NULL);
#endif
/* Destroy the task at the head of the ready to run list. */
(void)task_deletecurrent();
/* Now, perform the context switch to the new ready-to-run task at the
* head of the list.
*/
tcb = (_TCB*)g_readytorun.head;
/* Then switch contexts */
up_fullcontextrestore(tcb->xcp.regs);
}
int main(int argc, char *argv[])
{
puts(
"Content-type: text/html\r\n"
"Status: 200/html\r\n"
"\r\n"
"<html>\r\n"
"<head>\r\n"
"<title>NuttX Tasks</title>\r\n"
"<link rel=\"stylesheet\" type=\"text/css\" href=\"/style.css\">\r\n"
"</head>\r\n"
"<body bgcolor=\"#fffeec\" text=\"black\">\r\n"
"<div class=\"menu\">\r\n"
"<div class=\"menubox\"><a href=\"/index.html\">Front page</a></div>\r\n"
"<div class=\"menubox\"><a href=\"hello\">Say Hello</a></div>\r\n"
"<div class=\"menubox\"><a href=\"tasks\">Tasks</a></div>\r\n"
"<div class=\"menubox\"><a href=\"netstat\">Network status</a></div>\r\n"
"<br>\r\n"
"</div>\r\n"
"<div class=\"contentblock\">\r\n"
"<pre>\r\n"
"PID PRI SCHD TYPE NP STATE NAME\r\n");
sched_foreach(show_task, NULL);
puts(
"</pre>\r\n"
"</body>\r\n"
"</html>\r\n");
return 0;
}
void _exit(int status)
{
struct tcb_s *tcb;
/* Disable interrupts. They will be restored when the next task is
* started.
*/
(void)up_irq_save();
sinfo("TCB=%p exiting\n", this_task());
#ifdef CONFIG_DUMP_ON_EXIT
sinfo("Other tasks:\n");
sched_foreach(_xtensa_dumponexit, NULL);
#endif
#if XCHAL_CP_NUM > 0
/* Disable co-processor support for the task that is exit-ing. */
tcb = this_task();
xtensa_coproc_disable(&tcb->xcp.cpstate, XTENSA_CP_ALLSET);
#endif
/* Destroy the task at the head of the ready to run list. */
(void)task_exit();
/* Now, perform the context switch to the new ready-to-run task at the
* head of the list.
*/
tcb = this_task();
#if XCHAL_CP_NUM > 0
/* Set up the co-processor state for the newly started thread. */
xtensa_coproc_restorestate(&tcb->xcp.cpstate);
#endif
#ifdef CONFIG_ARCH_ADDRENV
/* Make sure that the address environment for the previously running
* task is closed down gracefully (data caches dump, MMU flushed) and
* set up the address environment for the new thread at the head of
* the ready-to-run list.
*/
(void)group_addrenv(tcb);
#endif
/* Then switch contexts */
xtensa_context_restore(tcb->xcp.regs);
/* xtensa_full_context_restore() should not return but could if the software
* interrupts are disabled.
*/
PANIC();
}
static int stackmonitor_daemon(int argc, char **argv)
{
syslog(LOG_INFO, STKMON_PREFIX "Running: %d\n", g_stackmonitor.pid);
/* Loop until we detect that there is a request to stop. */
while (!g_stackmonitor.stop)
{
sleep(CONFIG_SYSTEM_STACKMONITOR_INTERVAL);
#if CONFIG_TASK_NAME_SIZE > 0
syslog(LOG_INFO, "%-5s %-6s %-6s %s\n", "PID", "SIZE", "USED", "THREAD NAME");
#else
syslog(LOG_INFO, "%-5s %-6s %-6s\n", "PID", "SIZE", "USED");
#endif
sched_foreach(stkmon_task, NULL);
}
/* Stopped */
g_stackmonitor.stop = false;
g_stackmonitor.started = false;
syslog(LOG_INFO, STKMON_PREFIX "Stopped: %d\n", g_stackmonitor.pid);
return 0;
}
void stkmon_disp(void)
{
#if CONFIG_TASK_NAME_SIZE > 0
syslog(LOG_INFO, "%-5s %-6s %-6s %s\n", "PID", "SIZE", "USED", "THREAD NAME");
#else
syslog(LOG_INFO, "%-5s %-6s %-6s\n", "PID", "SIZE", "USED");
#endif
sched_foreach(_stkmon_disp, NULL);
}
int cmd_ps(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
{
#ifdef HAVE_CPULOAD
nsh_output(vtbl, "PID PRI SCHD TYPE NP STATE CPU NAME\n");
#else
nsh_output(vtbl, "PID PRI SCHD TYPE NP STATE NAME\n");
#endif
sched_foreach(ps_task, vtbl);
return OK;
}
void _exit(int status)
{
struct tcb_s *tcb;
/* Disable interrupts. They will be restored when the next
* task is started.
*/
(void)irqsave();
slldbg("TCB=%p exiting\n", this_task());
#if defined(CONFIG_DUMP_ON_EXIT) && defined(CONFIG_DEBUG)
slldbg("Other tasks:\n");
sched_foreach(_up_dumponexit, NULL);
#endif
/* Destroy the task at the head of the ready to run list. */
(void)task_exit();
/* Now, perform the context switch to the new ready-to-run task at the
* head of the list.
*/
tcb = this_task();
#ifdef CONFIG_ARCH_ADDRENV
/* Make sure that the address environment for the previously running
* task is closed down gracefully (data caches dump, MMU flushed) and
* set up the address environment for the new thread at the head of
* the ready-to-run list.
*/
(void)group_addrenv(tcb);
#endif
/* Then switch contexts */
up_fullcontextrestore(tcb->xcp.regs);
/* up_fullcontextrestore() should not return but could if the software
* interrupts are disabled.
*/
PANIC();
}
void _exit(int status)
{
FAR struct tcb_s* tcb;
/* Disable interrupts. Interrupts will remain disabled until
* the new task is resumed below.
*/
(void)irqsave();
slldbg("TCB=%p exiting\n", tcb);
#if defined(CONFIG_DUMP_ON_EXIT) && defined(CONFIG_DEBUG)
lldbg("Other tasks:\n");
sched_foreach(_up_dumponexit, NULL);
#endif
/* Destroy the task at the head of the ready to run list. */
(void)task_exit();
/* Now, perform the context switch to the new ready-to-run task at the
* head of the list.
*/
tcb = (FAR struct tcb_s*)g_readytorun.head;
slldbg("New Active Task TCB=%p\n", tcb);
#ifdef CONFIG_ARCH_ADDRENV
/* Make sure that the address environment for the previously running
* task is closed down gracefully (data caches dump, MMU flushed) and
* set up the address environment for the new thread at the head of
* the ready-to-run list.
*/
(void)group_addrenv(tcb);
#endif
/* Then switch contexts */
RESTORE_USERCONTEXT(tcb);
}
void _exit(int status)
{
struct tcb_s *tcb;
/* Make sure that we are in a critical section with local interrupts.
* The IRQ state will be restored when the next task is started.
*/
(void)enter_critical_section();
sinfo("TCB=%p exiting\n", this_task());
#ifdef CONFIG_DUMP_ON_EXIT
sinfo("Other tasks:\n");
sched_foreach(_up_dumponexit, NULL);
#endif
/* Destroy the task at the head of the ready to run list. */
(void)task_exit();
/* Now, perform the context switch to the new ready-to-run task at the
* head of the list.
*/
tcb = this_task();
#ifdef CONFIG_ARCH_ADDRENV
/* Make sure that the address environment for the previously running
* task is closed down gracefully (data caches dump, MMU flushed) and
* set up the address environment for the new thread at the head of
* the ready-to-run list.
*/
(void)group_addrenv(tcb);
#endif
/* Then switch contexts */
up_fullcontextrestore(tcb->xcp.regs);
}
static int procfs_opendir(FAR struct inode *mountpt, FAR const char *relpath,
FAR struct fs_dirent_s *dir)
{
FAR struct procfs_level0_s *level0;
FAR struct procfs_dir_priv_s *dirpriv;
FAR void *priv = NULL;
irqstate_t flags;
fvdbg("relpath: \"%s\"\n", relpath ? relpath : "NULL");
DEBUGASSERT(mountpt && relpath && dir && !dir->u.procfs);
/* The relative must be either:
*
* "" - The top level directory of task/thread IDs
* "<pid>" - The sub-directory of task/thread attributes
*/
if (!relpath || relpath[0] == '\0')
{
/* The path refers to the top level directory. Allocate the level0
* dirent structure.
*/
level0 = (FAR struct procfs_level0_s *)
kmm_zalloc(sizeof(struct procfs_level0_s));
if (!level0)
{
fdbg("ERROR: Failed to allocate the level0 directory structure\n");
return -ENOMEM;
}
/* Take a snapshot of all currently active tasks. Any new tasks
* added between the opendir() and closedir() call will not be
* visible.
*
* NOTE that interrupts must be disabled throughout the traversal.
*/
#ifndef CONFIG_FS_PROCFS_EXCLUDE_PROCESS
flags = irqsave();
sched_foreach(procfs_enum, level0);
irqrestore(flags);
#else
level0->base.index = 0;
level0->base.nentries = 0;
#endif
/* Initialze lastread entries */
level0->lastread = "";
level0->lastlen = 0;
level0->base.procfsentry = NULL;
priv = (FAR void *)level0;
}
else
{
int x, ret;
int len = strlen(relpath);
/* Search the static array of procfs_entries */
for (x = 0; x < g_procfsentrycount; x++)
{
/* Test if the path matches this entry's specification */
if (match(g_procfsentries[x].pathpattern, relpath))
{
/* Match found! Call the handler's opendir routine. If successful,
* this opendir routine will create an entry derived from struct
* procfs_dir_priv_s as dir->u.procfs.
*/
DEBUGASSERT(g_procfsentries[x].ops && g_procfsentries[x].ops->opendir);
ret = g_procfsentries[x].ops->opendir(relpath, dir);
if (ret == OK)
{
DEBUGASSERT(dir->u.procfs);
/* Set the procfs_entry handler */
dirpriv = (FAR struct procfs_dir_priv_s *)dir->u.procfs;
dirpriv->procfsentry = &g_procfsentries[x];
}
return ret;
}
/* Test for a sub-string match (e.g. "ls /proc/fs") */
else if (strncmp(g_procfsentries[x].pathpattern, relpath, len) == 0)
{
FAR struct procfs_level1_s *level1;
/* Doing an intermediate directory search */
/* The path refers to the top level directory. Allocate the level0
* dirent structure.
*/
level1 = (FAR struct procfs_level1_s *)
kmm_zalloc(sizeof(struct procfs_level1_s));
if (!level1)
{
fdbg("ERROR: Failed to allocate the level0 directory structure\n");
return -ENOMEM;
}
level1->base.level = 1;
level1->base.index = x;
level1->firstindex = x;
level1->subdirlen = len;
level1->lastread = "";
level1->lastlen = 0;
level1->base.procfsentry = NULL;
priv = (FAR void *)level1;
break;
}
}
}
dir->u.procfs = priv;
return OK;
}
int cmd_ps(FAR struct nsh_vtbl_s *vtbl, int argc, char **argv)
{
nsh_output(vtbl, "PID PRI SCHD TYPE NP STATE NAME\n");
sched_foreach(ps_task, vtbl);
return OK;
}