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irix-657m-src/irix/cmd/icrash_old/cmds/cmd_uthread.c
2022-09-29 17:59:04 +03:00

142 lines
3.6 KiB
C

#ident "$Header: /proj/irix6.5.7m/isms/irix/cmd/icrash_old/cmds/RCS/cmd_uthread.c,v 1.1 1999/05/25 19:19:20 tjm Exp $"
#define _KERNEL 1
#include <sys/types.h>
#include <sys/param.h>
#include <stdio.h>
#include <errno.h>
#include "icrash.h"
#include "extern.h"
/*
* uthread_cmd() -- Dump out uthread struct information
*/
int
uthread_cmd(command_t cmd)
{
int i, j, utcnt = 0, mode, first_time = TRUE, uthread_cnt = 0;
k_ptr_t procp, utp;
kaddr_t value, proc, uthread;
if (!cmd.nargs) {
uthread_cnt = list_active_uthreads(cmd.flags, cmd.ofp);
}
else {
for (i = 0; i < cmd.nargs; i++) {
if ((first_time == TRUE) || (cmd.flags & C_FULL) ||
(cmd.flags & C_NEXT)) {
if (cmd.flags & C_KTHREAD) {
kthread_banner(cmd.ofp, BANNER|SMAJOR);
}
else {
uthread_s_banner(cmd.ofp, BANNER|SMAJOR);
}
first_time = FALSE;
}
get_value(cmd.args[i], &mode, 0, &value);
if (KL_ERROR) {
KL_ERROR |= KLE_BAD_UTHREAD_S;
kl_print_error(K);
continue;
}
if (mode == 0) {
KL_SET_ERROR_NVAL(KLE_BAD_UTHREAD_S, value, mode);
kl_print_error(K);
}
else if (mode == 1) {
/* Treat value as a PID. This will allow us to print
* out all uthreads associated with a particular PID.
*/
proc = kl_pid_to_proc(K, value);
procp = kl_get_proc(K, proc, 2, 0);
uthread = kl_proc_to_kthread(K, procp, &utcnt);
free_block(procp);
}
else {
if (cmd.flags & C_SIBLING) {
/* Print out all siblings for the specified uthread
*/
utp = kl_get_uthread_s(K, value, 2, (cmd.flags|C_ALL));
proc = kl_kaddr(K, utp, "uthread_s", "ut_proc");
free_block(utp);
procp = kl_get_proc(K, proc, 2, 0);
uthread = kl_proc_to_kthread(K, procp, &utcnt);
free_block(procp);
}
else {
uthread = value;
utcnt = 1;
}
}
for (j = 0; j < utcnt; j++) {
utp = kl_get_uthread_s(K, uthread, 2, (cmd.flags|C_ALL));
if (KL_ERROR) {
KL_SET_ERROR_NVAL(KL_ERROR, value, mode);
kl_print_error(K);
break;
}
if (cmd.flags & C_KTHREAD) {
print_kthread(uthread, utp, cmd.flags, cmd.ofp);
}
else {
print_uthread_s(uthread, utp, cmd.flags, cmd.ofp);
}
uthread_cnt++;
uthread = kl_kaddr(K, utp, "uthread_s", "ut_next");
free_block(utp);
}
}
}
if (cmd.flags & C_KTHREAD) {
kthread_banner(cmd.ofp, SMAJOR);
}
else {
uthread_s_banner(cmd.ofp, SMAJOR);
}
fprintf(cmd.ofp, "%d active uthreads found\n", uthread_cnt);
return(0);
}
#define _UTHREAD_USAGE "[-f] [-n] [-k] [-S] [-w outfile] [uthread_list]"
/*
* uthread_usage() -- Print the usage string for the 'uthread' command.
*/
void
uthread_usage(command_t cmd)
{
CMD_USAGE(cmd, _UTHREAD_USAGE);
}
/*
* uthread_help() -- Print the help information for the 'uthread' command.
*/
void
uthread_help(command_t cmd)
{
CMD_HELP(cmd, _UTHREAD_USAGE,
"Display relevant information for each entry in uthread_list. If "
"no entries are specified, display information for all active "
"uthreads. When the -S command line option is specified, displays "
"a list of all siblings for the specified uthread. Entries in "
"uthread_list can take the form of a process PID (following a '#'), "
"or virtual address. Note that with the PID option, all uthreads "
"that share a specified PID will be displayed. When the -k command "
"line option is specified, display all uthread_s structs as"
"kthread structs.\n");
}
/*
* uthread_parse() -- Parse the command line arguments for 'uthread'.
*/
int
uthread_parse(command_t cmd)
{
return (C_MAYBE|C_FULL|C_NEXT|C_KTHREAD|C_SIBLING|C_WRITE);
}