Man page or example for ddi_walk_devs

Hallo,
I'm developing a pseudo driver for Solaris 8 on UltraSparc 540 architecture.
I would like walk trough the dev_info tree and store some infos about my machine. I know it is possible to do this at user level with the functions of libdevinfo library but unfortunately it can't work in a driver I've found the prototypes and short comments for a set of functions like ddi_walk_devs, ddi_get_child ... in the file
/usr/include/sys/sunddi.h
There are no documents or man pages about.
Is there anyone who has already used this functions or could help me.
Thank you very much for your help.
al_vise

Hi Al,
ddi_walk_devs(device, function, argument);
The first argument is a device node to start from.If you want to start from the top there is a ddi_root_node function.
ddi_walk_devs then walks the device tree a level at a time, calling a function specified by you as the second arg. This function is passed a pointer to the device node, and your final pointer argument.
However, before calling this, the device tree has to be locked. This used to be done with a reader_writer lock, now there is a new undocumented function to do it (i_ndi_block_device_tree_changes).
The ddi_walk_devs function is deliberately not documented because it is not intended for use in leaf drivers, and its is subject to change (as per the tree locking).
Hope that helps.
Regards,
Ralph
SUN DTS

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thr_exit((void *)66);
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int i;
thread_t main_thr, ret_thr;
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thread_t thr_b = (thread_t) arg;
int i;
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void *status;
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fprintf(stderr,"thr_join Error\n"), exit(1);
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for (i=0;i<1000000*(int)thr_self();i++);
printf("D: Thread exiting...\n");
thr_exit((void *)55);
void * sub_e(void *arg)
int i;
thread_t ret_thr;
void *status;
printf("E: In thread E...\n");
printf("E: Join A thread\n");
if(thr_join(thr_a,(thread_t *)&ret_thr, &status))
fprintf(stderr,"thr_join Error\n"), exit(1);
printf("E: A thread (%d) returned thread (%d) w/status %d\n", ret_thr, ret_thr, (int) status);
printf("E: Join B thread\n");
if(thr_join(thr_b,(thread_t *)&ret_thr, &status))
fprintf(stderr,"thr_join Error\n"), exit(1);
printf("E: B thread (%d) returned thread (%d) w/status %d\n", thr_b, ret_thr, (int) status);
printf("E: Join C thread\n");
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fprintf(stderr,"thr_join Error\n"), exit(1);
printf("E: C thread (%d) returned thread (%d) w/status %d\n", thr_c, ret_thr, (int) status);
for (i=0;i<1000000*(int)thr_self();i++);
printf("E: Thread exiting...\n");
thr_exit((void *)44);
void sub_f(void arg)
int i;
printf("F: In thread F...\n");
while (1) {
for (i=0;i<10000000;i++);
printf("F: Thread F is still running...\n");
OUTPUT:
# /emc/smithr15/solthread
Main thread = 1
rc = -1Can't create thr_b
rc = -1#
Any ideas as to what -1 indicates and how to solve this?
Thanks for your response,
dedham_ma_man

ok, my bad. I wasn't linking in the -lthread library.
Thanks anyway.

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Man page or example for ddi_walk_devs

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