Module: xenomai-rpm
Branch: queue/rtipc
Commit: 46fbaed2aad710747c624fdd1964a5bde277b7ed
URL:
http://git.xenomai.org/?p=xenomai-rpm.git;a=commit;h=46fbaed2aad710747c624fdd1964a5bde277b7ed
Author: Philippe Gerum <r...@xenomai.org>
Date: Tue Jun 8 08:43:19 2010 +0200
vrtx: convert to vfile
---
ksrc/skins/vrtx/event.c | 130 ++++++++++++++++++++++++++++------------------
ksrc/skins/vrtx/heap.c | 75 +++++++++++++++-----------
ksrc/skins/vrtx/mb.c | 111 ++++++++++++++++++++++++---------------
ksrc/skins/vrtx/module.c | 9 +---
ksrc/skins/vrtx/mx.c | 129 ++++++++++++++++++++++++++++------------------
ksrc/skins/vrtx/pt.c | 77 ++++++++++++++++-----------
ksrc/skins/vrtx/queue.c | 115 +++++++++++++++++++++++++---------------
ksrc/skins/vrtx/sem.c | 112 ++++++++++++++++++++++++---------------
8 files changed, 457 insertions(+), 301 deletions(-)
diff --git a/ksrc/skins/vrtx/event.c b/ksrc/skins/vrtx/event.c
index d0d30ec..3b84d1c 100644
--- a/ksrc/skins/vrtx/event.c
+++ b/ksrc/skins/vrtx/event.c
@@ -27,72 +27,102 @@ static xnqueue_t vrtx_event_q;
#ifdef CONFIG_PROC_FS
-static int __event_read_proc(char *page,
- char **start,
- off_t off, int count, int *eof, void *data)
-{
- vrtxevent_t *evgroup = (vrtxevent_t *)data;
- char *p = page;
- int len;
- spl_t s;
+struct vfile_priv {
+ struct xnpholder *curr;
+ int value;
+};
- xnlock_get_irqsave(&nklock, s);
+struct vfile_data {
+ int opt;
+ int mask;
+ char name[XNOBJECT_NAME_LEN];
+};
- p += sprintf(p, "=0x%x\n", evgroup->events);
+static int vfile_rewind(struct xnvfile_snapshot_iterator *it)
+{
+ struct vfile_priv *priv = xnvfile_iterator_priv(it);
+ struct vrtxevent *evgroup = xnvfile_priv(it->vfile);
- if (xnsynch_nsleepers(&evgroup->synchbase) > 0) {
- xnpholder_t *holder;
+ priv->curr = getheadpq(xnsynch_wait_queue(&evgroup->synchbase));
+ priv->value = evgroup->events;
- /* Pended event -- dump waiters. */
+ return xnsynch_nsleepers(&evgroup->synchbase);
+}
- holder = getheadpq(xnsynch_wait_queue(&evgroup->synchbase));
+static int vfile_next(struct xnvfile_snapshot_iterator *it, void *data)
+{
+ struct vfile_priv *priv = xnvfile_iterator_priv(it);
+ struct vrtxevent *evgroup = xnvfile_priv(it->vfile);
+ struct vfile_data *p = data;
+ struct xnthread *thread;
+ struct vrtxtask *task;
- while (holder) {
- xnthread_t *sleeper = link2thread(holder, plink);
- vrtxtask_t *task = thread2vrtxtask(sleeper);
- const char *mode =
- (task->waitargs.evgroup.
- opt & 1) ? "all" : "any";
- int mask = task->waitargs.evgroup.mask;
- p += sprintf(p, "+%s (mask=0x%x, %s)\n",
- xnthread_name(sleeper), mask, mode);
- holder =
- nextpq(xnsynch_wait_queue(&evgroup->synchbase),
- holder);
- }
- }
+ priv->value = evgroup->events; /* Refresh as we collect. */
- xnlock_put_irqrestore(&nklock, s);
+ if (priv->curr == NULL)
+ return 0; /* We are done. */
+
+ /* Fetch current waiter, advance list cursor. */
+ thread = link2thread(priv->curr, plink);
+ priv->curr = nextpq(xnsynch_wait_queue(&evgroup->synchbase),
+ priv->curr);
- len = (p - page) - off;
- if (len <= off + count)
- *eof = 1;
- *start = page + off;
- if (len > count)
- len = count;
- if (len < 0)
- len = 0;
+ /* Collect thread name to be output in ->show(). */
+ strncpy(p->name, xnthread_name(thread), sizeof(p->name));
+ task = thread2vrtxtask(thread);
+ p->opt = task->waitargs.evgroup.opt;
+ p->mask = task->waitargs.evgroup.mask;
- return len;
+ return 1;
}
-extern xnptree_t __vrtx_ptree;
+static int vfile_show(struct xnvfile_snapshot_iterator *it, void *data)
+{
+ struct vfile_priv *priv = xnvfile_iterator_priv(it);
+ struct vfile_data *p = data;
+
+ if (p == NULL) { /* Dump header. */
+ /* Always dump current event mask value. */
+ xnvfile_printf(it, "=0x%x\n", priv->value);
+ if (it->nrdata > 0)
+ xnvfile_printf(it, "\n%10s %4s %s\n",
+ "MASK", "MODE", "WAITER");
+ } else
+ xnvfile_printf(it, "0x%-8x %4s %.*s\n",
+ p->mask,
+ p->opt & 1 ? "all" : "any",
+ (int)sizeof(p->name), p->name);
+
+ return 0;
+}
-static xnpnode_t __event_pnode = {
+static struct xnvfile_snapshot_ops vfile_ops = {
+ .rewind = vfile_rewind,
+ .next = vfile_next,
+ .show = vfile_show,
+};
- .dir = NULL,
- .type = "events",
- .entries = 0,
- .read_proc = &__event_read_proc,
- .write_proc = NULL,
- .root = &__vrtx_ptree,
+extern struct xnptree __vrtx_ptree;
+
+static struct xnpnode_snapshot __event_pnode = {
+ .node = {
+ .dirname = "events",
+ .root = &__vrtx_ptree,
+ .ops = &xnregistry_vfsnap_ops,
+ },
+ .vfile = {
+ .privsz = sizeof(struct vfile_priv),
+ .datasz = sizeof(struct vfile_data),
+ .ops = &vfile_ops,
+ },
};
#else /* !CONFIG_PROC_FS */
-static xnpnode_t __event_pnode = {
-
- .type = "events"
+static struct xnpnode_snapshot __vrtx_pnode = {
+ .node = {
+ .dirname = "events",
+ },
};
#endif /* !CONFIG_PROC_FS */
@@ -160,7 +190,7 @@ int sc_fcreate(int *errp)
xnlock_put_irqrestore(&nklock, s);
sprintf(evgroup->name, "ev%d", evid);
- xnregistry_enter(evgroup->name, evgroup, &evgroup->handle,
&__event_pnode);
+ xnregistry_enter(evgroup->name, evgroup, &evgroup->handle,
&__event_pnode.node);
*errp = RET_OK;
diff --git a/ksrc/skins/vrtx/heap.c b/ksrc/skins/vrtx/heap.c
index 5f70675..90e92a1 100644
--- a/ksrc/skins/vrtx/heap.c
+++ b/ksrc/skins/vrtx/heap.c
@@ -27,46 +27,57 @@ static xnqueue_t vrtx_heap_q;
#ifdef CONFIG_PROC_FS
-static int __heap_read_proc(char *page,
- char **start,
- off_t off, int count, int *eof, void *data)
+struct vfile_priv {
+ size_t heapsz;
+ size_t memused;
+};
+
+static int vfile_rewind(struct xnvfile_snapshot_iterator *it)
{
- vrtxheap_t *heap = (vrtxheap_t *)data;
- char *p = page;
- int len;
-
- p += sprintf(p, "size=%lu:used=%lu\n",
- xnheap_usable_mem(&heap->sysheap),
xnheap_used_mem(&heap->sysheap));
-
- len = (p - page) - off;
- if (len <= off + count)
- *eof = 1;
- *start = page + off;
- if (len > count)
- len = count;
- if (len < 0)
- len = 0;
-
- return len;
+ struct vfile_priv *priv = xnvfile_iterator_priv(it);
+ struct vrtxheap *heap = xnvfile_priv(it->vfile);
+
+ priv->heapsz = xnheap_usable_mem(&heap->sysheap);
+ priv->memused = xnheap_used_mem(&heap->sysheap);
+
+ return 0;
}
-extern xnptree_t __vrtx_ptree;
+static int vfile_show(struct xnvfile_snapshot_iterator *it, void *data)
+{
+ struct vfile_priv *priv = xnvfile_iterator_priv(it);
+
+ xnvfile_printf(it, "size=%zu:used=%zu\n",
+ priv->heapsz, priv->memused);
+
+ return 0;
+}
-static xnpnode_t __heap_pnode = {
+static struct xnvfile_snapshot_ops vfile_ops = {
+ .rewind = vfile_rewind,
+ .show = vfile_show,
+};
- .dir = NULL,
- .type = "heaps",
- .entries = 0,
- .read_proc = &__heap_read_proc,
- .write_proc = NULL,
- .root = &__vrtx_ptree,
+extern struct xnptree __vrtx_ptree;
+
+static struct xnpnode_snapshot __heap_pnode = {
+ .node = {
+ .dirname = "heaps",
+ .root = &__vrtx_ptree,
+ .ops = &xnregistry_vfsnap_ops,
+ },
+ .vfile = {
+ .privsz = sizeof(struct vfile_priv),
+ .ops = &vfile_ops,
+ },
};
#else /* !CONFIG_PROC_FS */
-static xnpnode_t __heap_pnode = {
-
- .type = "heaps"
+static struct xnpnode_snapshot __heap_pnode = {
+ .node = {
+ .dirname = "heaps",
+ },
};
#endif /* !CONFIG_PROC_FS */
@@ -221,7 +232,7 @@ int sc_hcreate(char *heapaddr, u_long heapsize, unsigned
log2psize, int *errp)
xnlock_put_irqrestore(&nklock, s);
sprintf(heap->name, "heap%d", hid);
- xnregistry_enter(heap->name, heap, &heap->handle, &__heap_pnode);
+ xnregistry_enter(heap->name, heap, &heap->handle, &__heap_pnode.node);
*errp = RET_OK;
diff --git a/ksrc/skins/vrtx/mb.c b/ksrc/skins/vrtx/mb.c
index 12f8449..70e5643 100644
--- a/ksrc/skins/vrtx/mb.c
+++ b/ksrc/skins/vrtx/mb.c
@@ -30,64 +30,89 @@ static xnqueue_t vrtx_mbox_q;
#ifdef CONFIG_PROC_FS
-static int __mb_read_proc(char *page,
- char **start,
- off_t off, int count, int *eof, void *data)
+struct vfile_priv {
+ struct xnpholder *curr;
+ char *msg;
+};
+
+struct vfile_data {
+ char name[XNOBJECT_NAME_LEN];
+};
+
+static int vfile_rewind(struct xnvfile_snapshot_iterator *it)
{
- vrtxmb_t *mb = (vrtxmb_t *)data;
- char *p = page;
- int len;
- spl_t s;
+ struct vfile_priv *priv = xnvfile_iterator_priv(it);
+ struct vrtxmb *mb = xnvfile_priv(it->vfile);
- xnlock_get_irqsave(&nklock, s);
+ priv->curr = getheadpq(xnsynch_wait_queue(&mb->synchbase));
+ priv->msg = mb->msg;
- if (xnsynch_nsleepers(&mb->synchbase) > 0) {
- xnpholder_t *holder;
+ return xnsynch_nsleepers(&mb->synchbase);
+}
- holder = getheadpq(xnsynch_wait_queue(&mb->synchbase));
+static int vfile_next(struct xnvfile_snapshot_iterator *it, void *data)
+{
+ struct vfile_priv *priv = xnvfile_iterator_priv(it);
+ struct vrtxmb *mb = xnvfile_priv(it->vfile);
+ struct vfile_data *p = data;
+ struct xnthread *thread;
- while (holder) {
- xnthread_t *sleeper = link2thread(holder, plink);
- p += sprintf(p, "+%s\n", xnthread_name(sleeper));
- holder =
- nextpq(xnsynch_wait_queue(&mb->synchbase),
- holder);
- }
- } else
- /* Mailbox not pended. */
- p += sprintf(p, "=%p\n", mb->msg);
+ if (priv->curr == NULL)
+ return 0; /* We are done. */
- xnlock_put_irqrestore(&nklock, s);
+ /* Fetch current waiter, advance list cursor. */
+ thread = link2thread(priv->curr, plink);
+ priv->curr = nextpq(xnsynch_wait_queue(&mb->synchbase),
+ priv->curr);
- len = (p - page) - off;
- if (len <= off + count)
- *eof = 1;
- *start = page + off;
- if (len > count)
- len = count;
- if (len < 0)
- len = 0;
+ /* Collect thread name to be output in ->show(). */
+ strncpy(p->name, xnthread_name(thread), sizeof(p->name));
- return len;
+ return 1;
}
-extern xnptree_t __vrtx_ptree;
+static int vfile_show(struct xnvfile_snapshot_iterator *it, void *data)
+{
+ struct vfile_priv *priv = xnvfile_iterator_priv(it);
+ struct vfile_data *p = data;
+
+ if (p == NULL) { /* Dump header. */
+ if (it->nrdata == 0)
+ xnvfile_printf(it, "=%p\n", priv->msg);
+ } else
+ xnvfile_printf(it, "%.*s\n",
+ (int)sizeof(p->name), p->name);
+
+ return 0;
+}
-static xnpnode_t __mb_pnode = {
+static struct xnvfile_snapshot_ops vfile_ops = {
+ .rewind = vfile_rewind,
+ .next = vfile_next,
+ .show = vfile_show,
+};
- .dir = NULL,
- .type = "mailboxes",
- .entries = 0,
- .read_proc = &__mb_read_proc,
- .write_proc = NULL,
- .root = &__vrtx_ptree,
+extern struct xnptree __vrtx_ptree;
+
+static struct xnpnode_snapshot __mb_pnode = {
+ .node = {
+ .dirname = "mailboxes",
+ .root = &__vrtx_ptree,
+ .ops = &xnregistry_vfsnap_ops,
+ },
+ .vfile = {
+ .privsz = sizeof(struct vfile_priv),
+ .datasz = sizeof(struct vfile_data),
+ .ops = &vfile_ops,
+ },
};
#else /* !CONFIG_PROC_FS */
-static xnpnode_t __mb_pnode = {
-
- .type = "mailboxes"
+static struct xnpnode_snapshot __mb_pnode = {
+ .node = {
+ .dirname = "mailboxes",
+ },
};
#endif /* !CONFIG_PROC_FS */
@@ -213,7 +238,7 @@ vrtxmb_t *mb_map(char **mboxp)
mb_hash(mboxp, mb);
sprintf(mb->name, "m...@%p", mboxp);
- xnregistry_enter(mb->name, mb, &mb->handle, &__mb_pnode);
+ xnregistry_enter(mb->name, mb, &mb->handle, &__mb_pnode.node);
return mb;
}
diff --git a/ksrc/skins/vrtx/module.c b/ksrc/skins/vrtx/module.c
index 4c1f7b4..b2fbb56 100644
--- a/ksrc/skins/vrtx/module.c
+++ b/ksrc/skins/vrtx/module.c
@@ -50,14 +50,7 @@ MODULE_PARM_DESC(task_stacksize, "Default size of VRTX task
stack (in bytes)");
xntbase_t *vrtx_tbase;
-#ifdef CONFIG_PROC_FS
-xnptree_t __vrtx_ptree = {
-
- .dir = NULL,
- .name = "vrtx",
- .entries = 0,
-};
-#endif /* CONFIG_PROC_FS */
+DEFINE_XNPTREE(__vrtx_ptree, "vrtx");
int sc_gversion(void)
{
diff --git a/ksrc/skins/vrtx/mx.c b/ksrc/skins/vrtx/mx.c
index 813a1a6..9d91fd6 100644
--- a/ksrc/skins/vrtx/mx.c
+++ b/ksrc/skins/vrtx/mx.c
@@ -27,71 +27,100 @@ static xnqueue_t vrtx_mx_q;
#ifdef CONFIG_PROC_FS
-static int __mutex_read_proc(char *page,
- char **start,
- off_t off, int count, int *eof, void *data)
+struct vfile_priv {
+ struct xnpholder *curr;
+ char owner[XNOBJECT_NAME_LEN];
+};
+
+struct vfile_data {
+ char name[XNOBJECT_NAME_LEN];
+};
+
+static int vfile_rewind(struct xnvfile_snapshot_iterator *it)
{
- vrtxmx_t *mx = (vrtxmx_t *)data;
- xnthread_t *owner;
- char *p = page;
- int len;
- spl_t s;
+ struct vfile_priv *priv = xnvfile_iterator_priv(it);
+ struct vrtxmx *mx = xnvfile_priv(it->vfile);
+ struct xnthread *owner;
- xnlock_get_irqsave(&nklock, s);
+ priv->curr = getheadpq(xnsynch_wait_queue(&mx->synchbase));
owner = xnsynch_owner(&mx->synchbase);
- if (owner) {
- xnpholder_t *holder;
+ if (owner)
+ strncpy(priv->owner, xnthread_name(owner),
+ sizeof(priv->owner));
+ else
+ *priv->owner = 0;
- /* Locked mx -- dump owner and waiters, if any. */
-
- p += sprintf(p, "=locked by %s\n",
- xnthread_name(owner));
+ return xnsynch_nsleepers(&mx->synchbase);
+}
- holder = getheadpq(xnsynch_wait_queue(&mx->synchbase));
+static int vfile_next(struct xnvfile_snapshot_iterator *it, void *data)
+{
+ struct vfile_priv *priv = xnvfile_iterator_priv(it);
+ struct vrtxmx *mx = xnvfile_priv(it->vfile);
+ struct vfile_data *p = data;
+ struct xnthread *thread;
+
+ if (priv->curr == NULL)
+ return 0; /* We are done. */
+
+ /* Fetch current waiter, advance list cursor. */
+ thread = link2thread(priv->curr, plink);
+ priv->curr = nextpq(xnsynch_wait_queue(&mx->synchbase),
+ priv->curr);
+ /* Collect thread name to be output in ->show(). */
+ strncpy(p->name, xnthread_name(thread), sizeof(p->name));
+
+ return 1;
+}
- while (holder) {
- xnthread_t *sleeper = link2thread(holder, plink);
- p += sprintf(p, "+%s\n", xnthread_name(sleeper));
- holder =
- nextpq(xnsynch_wait_queue(&mx->synchbase),
- holder);
- }
+static int vfile_show(struct xnvfile_snapshot_iterator *it, void *data)
+{
+ struct vfile_priv *priv = xnvfile_iterator_priv(it);
+ struct vfile_data *p = data;
+
+ if (p == NULL) { /* Dump header. */
+ if (*priv->owner) {
+ xnvfile_printf(it, "locked by %s\n", priv->owner);
+ if (it->nrdata > 0)
+ /* Mutex is pended -- dump waiters */
+ xnvfile_printf(it,
"-------------------------------------------\n");
+ } else
+ xnvfile_printf(it, "unlocked\n");
} else
- /* Mutex unlocked. */
- p += sprintf(p, "=unlocked\n");
-
- xnlock_put_irqrestore(&nklock, s);
+ xnvfile_printf(it, "%.*s\n",
+ (int)sizeof(p->name), p->name);
- len = (p - page) - off;
- if (len <= off + count)
- *eof = 1;
- *start = page + off;
- if (len > count)
- len = count;
- if (len < 0)
- len = 0;
-
- return len;
+ return 0;
}
-extern xnptree_t __vrtx_ptree;
-
-static xnpnode_t __mutex_pnode = {
+static struct xnvfile_snapshot_ops vfile_ops = {
+ .rewind = vfile_rewind,
+ .next = vfile_next,
+ .show = vfile_show,
+};
- .dir = NULL,
- .type = "mutexes",
- .entries = 0,
- .read_proc = &__mutex_read_proc,
- .write_proc = NULL,
- .root = &__vrtx_ptree,
+extern struct xnptree __vrtx_ptree;
+
+static struct xnpnode_snapshot __mutex_pnode = {
+ .node = {
+ .dirname = "mutexes",
+ .root = &__vrtx_ptree,
+ .ops = &xnregistry_vfsnap_ops,
+ },
+ .vfile = {
+ .privsz = sizeof(struct vfile_priv),
+ .datasz = sizeof(struct vfile_data),
+ .ops = &vfile_ops,
+ },
};
#else /* !CONFIG_PROC_FS */
-static xnpnode_t __mutex_pnode = {
-
- .type = "mutexes"
+static struct xnpnode_snapshot __mutex_pnode = {
+ .node = {
+ .dirname = "mutexes",
+ },
};
#endif /* !CONFIG_PROC_FS */
@@ -166,7 +195,7 @@ int sc_mcreate(unsigned int opt, int *errp)
xnlock_put_irqrestore(&nklock, s);
sprintf(mx->name, "mx%d", mid);
- xnregistry_enter(mx->name, mx, &mx->handle, &__mutex_pnode);
+ xnregistry_enter(mx->name, mx, &mx->handle, &__mutex_pnode.node);
*errp = RET_OK;
diff --git a/ksrc/skins/vrtx/pt.c b/ksrc/skins/vrtx/pt.c
index 154d0c3..43823e9 100644
--- a/ksrc/skins/vrtx/pt.c
+++ b/ksrc/skins/vrtx/pt.c
@@ -26,46 +26,59 @@ static xnqueue_t vrtx_pt_q;
#ifdef CONFIG_PROC_FS
-static int __pt_read_proc(char *page,
- char **start,
- off_t off, int count, int *eof, void *data)
+struct vfile_priv {
+ u_long bsize;
+ u_long fblks;
+ u_long ublks;
+};
+
+static int vfile_rewind(struct xnvfile_snapshot_iterator *it)
{
- vrtxpt_t *pt = (vrtxpt_t *)data;
- char *p = page;
- int len;
-
- p += sprintf(p, "bsize=%lu:f_blocks=%lu:u_blocks=%lu\n",
- pt->bsize, pt->fblks, pt->ublks);
-
- len = (p - page) - off;
- if (len <= off + count)
- *eof = 1;
- *start = page + off;
- if (len > count)
- len = count;
- if (len < 0)
- len = 0;
-
- return len;
+ struct vfile_priv *priv = xnvfile_iterator_priv(it);
+ struct vrtxpt *pt = xnvfile_priv(it->vfile);
+
+ priv->bsize = pt->bsize;
+ priv->fblks = pt->fblks;
+ priv->ublks = pt->ublks;
+
+ return 0;
}
-extern xnptree_t __vrtx_ptree;
+static int vfile_show(struct xnvfile_snapshot_iterator *it, void *data)
+{
+ struct vfile_priv *priv = xnvfile_iterator_priv(it);
+
+ xnvfile_printf(it, "bsize=%lu:f_blocks=%lu:u_blocks=%lu\n",
+ priv->bsize, priv->fblks, priv->ublks);
-static xnpnode_t __pt_pnode = {
+ return 0;
+}
- .dir = NULL,
- .type = "partitions",
- .entries = 0,
- .read_proc = &__pt_read_proc,
- .write_proc = NULL,
- .root = &__vrtx_ptree,
+static struct xnvfile_snapshot_ops vfile_ops = {
+ .rewind = vfile_rewind,
+ .show = vfile_show,
};
-#else /* !CONFIG_PROC_FS */
+extern struct xnptree __vrtx_ptree;
+
+static struct xnpnode_snapshot __pt_pnode = {
+ .node = {
+ .dirname = "partitions",
+ .root = &__vrtx_ptree,
+ .ops = &xnregistry_vfsnap_ops,
+ },
+ .vfile = {
+ .privsz = sizeof(struct vfile_priv),
+ .ops = &vfile_ops,
+ },
+};
-static xnpnode_t __pt_pnode = {
+#else /* !CONFIG_PROC_FS */
- .type = "partitions"
+static struct xnpnode_snapshot __pt_pnode = {
+ .node = {
+ .dirname = "partitions",
+ },
};
#endif /* !CONFIG_PROC_FS */
@@ -205,7 +218,7 @@ int sc_pcreate(int pid, char *paddr, long psize, long
bsize, int *errp)
xnlock_put_irqrestore(&nklock, s);
sprintf(pt->name, "pt%d", pid);
- xnregistry_enter(pt->name, pt, &pt->handle, &__pt_pnode);
+ xnregistry_enter(pt->name, pt, &pt->handle, &__pt_pnode.node);
return pid;
}
diff --git a/ksrc/skins/vrtx/queue.c b/ksrc/skins/vrtx/queue.c
index 7b5d109..72fd72f 100644
--- a/ksrc/skins/vrtx/queue.c
+++ b/ksrc/skins/vrtx/queue.c
@@ -27,65 +27,94 @@ static xnqueue_t vrtx_queue_q;
#ifdef CONFIG_PROC_FS
-static int __queue_read_proc(char *page,
- char **start,
- off_t off, int count, int *eof, void *data)
-{
- vrtxqueue_t *queue = (vrtxqueue_t *)data;
- char *p = page;
- int len;
- spl_t s;
+struct vfile_priv {
+ struct xnpholder *curr;
+ int qused;
+ int qsize;
+};
- p += sprintf(p, "mcount=%d, qsize=%d\n", queue->qused, queue->qsize);
+struct vfile_data {
+ char name[XNOBJECT_NAME_LEN];
+};
- xnlock_get_irqsave(&nklock, s);
+static int vfile_rewind(struct xnvfile_snapshot_iterator *it)
+{
+ struct vfile_priv *priv = xnvfile_iterator_priv(it);
+ struct vrtxqueue *queue = xnvfile_priv(it->vfile);
- if (xnsynch_nsleepers(&queue->synchbase) > 0) {
- xnpholder_t *holder;
+ priv->curr = getheadpq(xnsynch_wait_queue(&queue->synchbase));
+ priv->qused = queue->qused;
+ priv->qsize = queue->qsize;
- /* Pended queue -- dump waiters. */
+ return xnsynch_nsleepers(&queue->synchbase);
+}
- holder = getheadpq(xnsynch_wait_queue(&queue->synchbase));
+static int vfile_next(struct xnvfile_snapshot_iterator *it, void *data)
+{
+ struct vfile_priv *priv = xnvfile_iterator_priv(it);
+ struct vrtxqueue *queue = xnvfile_priv(it->vfile);
+ struct vfile_data *p = data;
+ struct xnthread *thread;
- while (holder) {
- xnthread_t *sleeper = link2thread(holder, plink);
- p += sprintf(p, "+%s\n", xnthread_name(sleeper));
- holder =
- nextpq(xnsynch_wait_queue(&queue->synchbase),
holder);
- }
- }
+ if (priv->curr == NULL)
+ return 0; /* We are done. */
- xnlock_put_irqrestore(&nklock, s);
+ /* Fetch current waiter, advance list cursor. */
+ thread = link2thread(priv->curr, plink);
+ priv->curr = nextpq(xnsynch_wait_queue(&queue->synchbase),
+ priv->curr);
- len = (p - page) - off;
- if (len <= off + count)
- *eof = 1;
- *start = page + off;
- if (len > count)
- len = count;
- if (len < 0)
- len = 0;
+ /* Collect thread name to be output in ->show(). */
+ strncpy(p->name, xnthread_name(thread), sizeof(p->name));
- return len;
+ return 1;
}
-extern xnptree_t __vrtx_ptree;
+static int vfile_show(struct xnvfile_snapshot_iterator *it, void *data)
+{
+ struct vfile_priv *priv = xnvfile_iterator_priv(it);
+ struct vfile_data *p = data;
+
+ if (p == NULL) { /* Dump header. */
+ xnvfile_printf(it, "mcount=%d, qsize=%d\n",
+ priv->qused, priv->qsize);
+ if (it->nrdata > 0)
+ /* Queue is pended -- dump waiters */
+ xnvfile_printf(it,
"-------------------------------------------\n");
+ } else
+ xnvfile_printf(it, "%.*s\n",
+ (int)sizeof(p->name), p->name);
+
+ return 0;
+}
-static xnpnode_t __queue_pnode = {
+static struct xnvfile_snapshot_ops vfile_ops = {
+ .rewind = vfile_rewind,
+ .next = vfile_next,
+ .show = vfile_show,
+};
- .dir = NULL,
- .type = "queues",
- .entries = 0,
- .read_proc = &__queue_read_proc,
- .write_proc = NULL,
- .root = &__vrtx_ptree,
+extern struct xnptree __vrtx_ptree;
+
+static struct xnpnode_snapshot __queue_pnode = {
+ .node = {
+ .dirname = "queues",
+ .root = &__vrtx_ptree,
+ .ops = &xnregistry_vfsnap_ops,
+ },
+ .vfile = {
+ .privsz = sizeof(struct vfile_priv),
+ .datasz = sizeof(struct vfile_data),
+ .ops = &vfile_ops,
+ },
};
#else /* !CONFIG_PROC_FS */
-static xnpnode_t __queue_pnode = {
-
- .type = "queues"
+static struct xnpnode_snapshot __queue_pnode = {
+ .node = {
+ .dirname = "queues",
+ },
};
#endif /* !CONFIG_PROC_FS */
@@ -178,7 +207,7 @@ int sc_qecreate(int qid, int qsize, int opt, int *errp)
xnlock_put_irqrestore(&nklock, s);
sprintf(queue->name, "q%d", qid);
- xnregistry_enter(queue->name, queue, &queue->handle, &__queue_pnode);
+ xnregistry_enter(queue->name, queue, &queue->handle,
&__queue_pnode.node);
return qid;
}
diff --git a/ksrc/skins/vrtx/sem.c b/ksrc/skins/vrtx/sem.c
index 330465a..a0849fb 100644
--- a/ksrc/skins/vrtx/sem.c
+++ b/ksrc/skins/vrtx/sem.c
@@ -27,65 +27,91 @@ static xnqueue_t vrtx_sem_q;
#ifdef CONFIG_PROC_FS
-static int sem_read_proc(char *page,
- char **start,
- off_t off, int count, int *eof, void *data)
-{
- vrtxsem_t *sem = (vrtxsem_t *)data;
- char *p = page;
- int len;
- spl_t s;
+struct vfile_priv {
+ struct xnpholder *curr;
+ unsigned long count;
+};
- xnlock_get_irqsave(&nklock, s);
+struct vfile_data {
+ char name[XNOBJECT_NAME_LEN];
+};
- p += sprintf(p, "value=%lu\n", sem->count);
+static int vfile_rewind(struct xnvfile_snapshot_iterator *it)
+{
+ struct vfile_priv *priv = xnvfile_iterator_priv(it);
+ struct vrtxsem *sem = xnvfile_priv(it->vfile);
- if (xnsynch_nsleepers(&sem->synchbase) == 0) {
- xnpholder_t *holder;
+ priv->curr = getheadpq(xnsynch_wait_queue(&sem->synchbase));
+ priv->count = sem->count;
- /* Pended semaphore -- dump waiters. */
+ return xnsynch_nsleepers(&sem->synchbase);
+}
- holder = getheadpq(xnsynch_wait_queue(&sem->synchbase));
+static int vfile_next(struct xnvfile_snapshot_iterator *it, void *data)
+{
+ struct vfile_priv *priv = xnvfile_iterator_priv(it);
+ struct vrtxsem *sem = xnvfile_priv(it->vfile);
+ struct vfile_data *p = data;
+ struct xnthread *thread;
- while (holder) {
- xnthread_t *sleeper = link2thread(holder, plink);
- p += sprintf(p, "+%s\n", xnthread_name(sleeper));
- holder =
- nextpq(xnsynch_wait_queue(&sem->synchbase), holder);
- }
- }
+ if (priv->curr == NULL)
+ return 0; /* We are done. */
- xnlock_put_irqrestore(&nklock, s);
+ /* Fetch current waiter, advance list cursor. */
+ thread = link2thread(priv->curr, plink);
+ priv->curr = nextpq(xnsynch_wait_queue(&sem->synchbase),
+ priv->curr);
- len = (p - page) - off;
- if (len <= off + count)
- *eof = 1;
- *start = page + off;
- if (len > count)
- len = count;
- if (len < 0)
- len = 0;
+ /* Collect thread name to be output in ->show(). */
+ strncpy(p->name, xnthread_name(thread), sizeof(p->name));
- return len;
+ return 1;
}
-extern xnptree_t __vrtx_ptree;
+static int vfile_show(struct xnvfile_snapshot_iterator *it, void *data)
+{
+ struct vfile_priv *priv = xnvfile_iterator_priv(it);
+ struct vfile_data *p = data;
+
+ if (p == NULL) { /* Dump header. */
+ xnvfile_printf(it, "value=%lu\n", priv->count);
+ if (it->nrdata > 0)
+ /* Semaphore is pended -- dump waiters */
+ xnvfile_printf(it,
"-------------------------------------------\n");
+ } else
+ xnvfile_printf(it, "%.*s\n",
+ (int)sizeof(p->name), p->name);
+
+ return 0;
+}
-static xnpnode_t __sem_pnode = {
+static struct xnvfile_snapshot_ops vfile_ops = {
+ .rewind = vfile_rewind,
+ .next = vfile_next,
+ .show = vfile_show,
+};
- .dir = NULL,
- .type = "semaphores",
- .entries = 0,
- .read_proc = &sem_read_proc,
- .write_proc = NULL,
- .root = &__vrtx_ptree,
+extern struct xnptree __vrtx_ptree;
+
+static struct xnpnode_snapshot __sem_pnode = {
+ .node = {
+ .dirname = "semaphores",
+ .root = &__vrtx_ptree,
+ .ops = &xnregistry_vfsnap_ops,
+ },
+ .vfile = {
+ .privsz = sizeof(struct vfile_priv),
+ .datasz = sizeof(struct vfile_data),
+ .ops = &vfile_ops,
+ },
};
#else /* !CONFIG_PROC_FS */
-static xnpnode_t __sem_pnode = {
-
- .type = "semaphores"
+static struct xnpnode_snapshot __sem_pnode = {
+ .node = {
+ .dirname = "semaphores",
+ },
};
#endif /* !CONFIG_PROC_FS */
@@ -164,7 +190,7 @@ int sc_screate(unsigned initval, int opt, int *errp)
xnlock_put_irqrestore(&nklock, s);
sprintf(sem->name, "sem%d", semid);
- xnregistry_enter(sem->name, sem, &sem->handle, &__sem_pnode);
+ xnregistry_enter(sem->name, sem, &sem->handle, &__sem_pnode.node);
*errp = RET_OK;
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