finished implementing get_thread_info, get_next_thread_info, get_team_info, get_next_team_info. New ps command behaving like the BeOS one is here, but doesn't work as libroot seems to crash when loaded at process startup... :/
git-svn-id: file:///srv/svn/repos/haiku/trunk/current@570 a95241bf-73f2-0310-859d-f6bbb57e9c96
This commit is contained in:
lillo
@@ -728,6 +728,7 @@ KernelLd ps :
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libglue2.o
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<$(SOURCE_GRIST)!apps!ps>main.o
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libc.so
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libroot.so
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:
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$(SUBDIR)/ldscripts/$(OBOS_ARCH)/app.ld
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:
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+26
-71
@@ -1,83 +1,38 @@
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/*
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** Copyright 2002, Dan Sinclair. All rights reserved.
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** Distributed under the terms of the NewOS License.
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*/
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/*
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* This code was originally in the shell/command.c file and
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* was written by:
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* Damien Guard
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* I just split it out into its own file
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*/
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* PS command
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* Rewritten for OpenBeOS by Angelo Mottola, Aug 2002.
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*/
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#include <OS.h>
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#include <Errors.h>
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#include <syscalls.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#if 0
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#define MAX_PROCESSES 1024
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typedef struct proc_info proc_info;
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inline const char *proc_state_string (int state);
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inline
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const char *
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proc_state_string (int state)
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{
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switch (state) {
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case 0: return "normal";
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case 1: return "birth";
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case 2: return "death";
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default:
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return "???";
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}
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}
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int
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main(int argc, char ** argv)
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{
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size_t table_size = MAX_PROCESSES * sizeof(proc_info);
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proc_info *table = (proc_info *) malloc(table_size);
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if (table) {
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int num_procs = sys_proc_get_table(table, table_size);
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if (num_procs <= 0)
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printf("ps: sys_get_proc_table() returned error %s!\n", strerror(num_procs));
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else {
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int n = num_procs;
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proc_info *p = table;
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printf("process list\n\n");
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printf("id\tstate\tthreads\tname\n");
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while (n--) {
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printf("%d\t%s\t%d\t%s\n",
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p->id,
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proc_state_string(p->state),
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p->num_threads,
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p->name);
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p += sizeof(proc_info);
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}
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printf("\n%d processes listed\n", num_procs);
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}
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free(table);
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}
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return 0;
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}
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#else
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int main(int argc, char **argv)
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{
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int32 thread_num;
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int32 team_num = 0;
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thread_info thread;
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team_info team;
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printf("\n thread name state prio user kernel semaphore\n");
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printf("-----------------------------------------------------------------------\n");
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while (get_next_team_info(&team_num, &team) == B_OK) {
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printf("%s (team %d) (uid %d) (gid %d)\n",
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team.args, team.team, team.uid, team.gid);
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thread_num = 0;
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while (get_next_thread_info(team.team, &thread_num, &thread) == B_OK) {
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// Fix thread state and sem output once states are BeOS compatible
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printf(" %6d %20s %s %3d %7d %7d %s\n",
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thread.thread, thread.name, "???", thread.priority,
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(int)thread.user_time, (int)thread.kernel_time, "");
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}
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}
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printf("\n");
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return 0;
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}
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#endif
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@@ -330,6 +330,18 @@ int syscall_dispatcher(unsigned long call_num, void *arg_buffer, uint64 *call_re
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case SYSCALL_GETENV:
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*call_ret = user_getenv((const char *)arg0, (char **)arg1);
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break;
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case SYSCALL_GET_THREAD_INFO:
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*call_ret = user_get_thread_info((thread_id)arg0, (thread_info *)arg1);
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break;
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case SYSCALL_GET_NEXT_THREAD_INFO:
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*call_ret = user_get_next_thread_info((team_id)arg0, (int32 *)arg1, (thread_info *)arg2);
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break;
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case SYSCALL_GET_TEAM_INFO:
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*call_ret = user_get_team_info((team_id)arg0, (team_info *)arg1);
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break;
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case SYSCALL_GET_NEXT_TEAM_INFO:
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*call_ret = user_get_next_team_info((int32 *)arg0, (team_info *)arg1);
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break;
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default:
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*call_ret = -1;
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}
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@@ -254,8 +254,8 @@ int team_wait_on_team(team_id id, int *retcode)
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return thread_wait_on_thread(tid, retcode);
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}
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/*
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static struct team *team_get_team_struct(team_id id)
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struct team *team_get_team_struct(team_id id)
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{
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struct team *p;
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int state;
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@@ -270,7 +270,7 @@ static struct team *team_get_team_struct(team_id id)
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return p;
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}
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*/
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struct team *team_get_team_struct_locked(team_id id)
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{
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@@ -1289,6 +1289,149 @@ void thread_atkernel_exit(void)
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restore_interrupts(state);
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}
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status_t
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user_get_thread_info(thread_id id, thread_info *info)
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{
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thread_info kinfo;
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status_t rc = B_OK;
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status_t rc2;
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if ((addr)info >= KERNEL_BASE && (addr)info <= KERNEL_TOP)
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return ERR_VM_BAD_USER_MEMORY;
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rc = _get_thread_info(id, &kinfo, sizeof(thread_info));
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if (rc != B_OK)
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return rc;
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rc2 = user_memcpy(info, &kinfo, sizeof(team_info));
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if (rc2 < 0)
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return rc2;
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return rc;
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}
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status_t
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_get_thread_info(thread_id id, thread_info *info, size_t size)
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{
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int state;
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status_t rc = B_OK;
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struct thread *t;
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state = disable_interrupts();
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GRAB_THREAD_LOCK();
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t = thread_get_thread_struct_locked(id);
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if (!t) {
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rc = B_BAD_VALUE;
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goto err;
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}
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info->thread = t->id;
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info->team = t->team->id;
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strncpy(info->name, t->name, B_OS_NAME_LENGTH);
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info->name[B_OS_NAME_LENGTH - 1] = '\0';
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// XXX- Fix me
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info->state = t->state;
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info->priority = t->priority;
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info->sem = t->sem_blocking;
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info->user_time = t->user_time;
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info->kernel_time = t->kernel_time;
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info->stack_base = (void *)t->user_stack_base;
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info->stack_end = (void *)(t->user_stack_base + STACK_SIZE);
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err:
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RELEASE_THREAD_LOCK();
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restore_interrupts(state);
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return rc;
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}
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status_t
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user_get_next_thread_info(team_id team, int32 *cookie, thread_info *info)
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{
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int32 kcookie;
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thread_info kinfo;
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status_t rc = B_OK;
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status_t rc2;
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if ((addr)cookie >= KERNEL_BASE && (addr)cookie <= KERNEL_TOP)
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return ERR_VM_BAD_USER_MEMORY;
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if ((addr)info >= KERNEL_BASE && (addr)info <= KERNEL_TOP)
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return ERR_VM_BAD_USER_MEMORY;
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rc2 = user_memcpy(&kcookie, cookie, sizeof(int32));
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if (rc2 < 0)
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return rc2;
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rc = _get_next_thread_info(team, &kcookie, &kinfo, sizeof(team_info));
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if (rc != B_OK)
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return rc;
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rc2 = user_memcpy(cookie, &kcookie, sizeof(int32));
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if (rc2 < 0)
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return rc2;
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rc2 = user_memcpy(info, &kinfo, sizeof(team_info));
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if (rc2 < 0)
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return rc2;
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return rc;
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}
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status_t
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_get_next_thread_info(team_id tid, int32 *cookie, thread_info *info, size_t size)
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{
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int state;
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int slot;
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status_t rc = B_BAD_VALUE;
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struct team *team;
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struct thread *t = NULL;
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if (tid == 0)
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tid = team_get_current_team_id();
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team = team_get_team_struct(tid);
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if (!team)
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return B_BAD_VALUE;
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state = disable_interrupts();
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GRAB_THREAD_LOCK();
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if (*cookie == 0)
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slot = 0;
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else {
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slot = *cookie;
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if (slot >= next_thread_id)
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goto err;
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}
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while (!(t = thread_get_thread_struct_locked(slot)) && (t->team->id != tid) && (slot < next_thread_id))
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slot++;
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if (t) {
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info->thread = t->id;
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info->team = t->team->id;
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strncpy(info->name, t->name, B_OS_NAME_LENGTH);
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info->name[B_OS_NAME_LENGTH - 1] = '\0';
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// XXX- Fix me
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info->state = t->state;
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info->priority = t->priority;
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info->sem = t->sem_blocking;
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info->user_time = t->user_time;
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info->kernel_time = t->kernel_time;
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info->stack_base = (void *)t->user_stack_base;
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info->stack_end = (void *)(t->user_stack_base + STACK_SIZE);
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slot++;
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*cookie = slot;
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rc = B_OK;
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}
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err:
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RELEASE_THREAD_LOCK();
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restore_interrupts(state);
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return rc;
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}
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int user_getrlimit(int resource, struct rlimit * urlp)
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{
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int ret;
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@@ -176,18 +176,25 @@ status_t wait_for_thread (thread_id thread, status_t *thread_return_value)
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// TO DO
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status_t on_exit_thread(void (*callback)(void *), void *data);
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// TO DO
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status_t _get_thread_info(thread_id thread, thread_info *info, size_t size);
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// TO DO
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status_t _get_next_thread_info(team_id tmid, int32 *cookie, thread_info *info, size_t size);
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// OK
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status_t _get_thread_info(thread_id thread, thread_info *info, size_t size)
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{ return sys_get_thread_info(thread, info); }
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// OK
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status_t _get_next_thread_info(team_id tmid, int32 *cookie, thread_info *info, size_t size)
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{ return sys_get_next_thread_info(tmid, cookie, info); }
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// TO DO
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status_t _get_team_usage_info(team_id tmid, int32 who, team_usage_info *ti, size_t size);
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// TO DO
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thread_id find_thread(const char *name);
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/*
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#define get_thread_info(thread, info) _get_thread_info((thread), (info), sizeof(*(info)))
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#define get_next_thread_info(tmid, cookie, info) _get_next_thread_info((tmid), (cookie), (info), sizeof(*(info)))
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#define get_team_usage_info(tmid, who, info) _get_team_usage_info((tmid), (who), (info), sizeof(*(info)))
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*/
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// TO DO
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status_t send_data(thread_id thread, int32 code, const void *buf, size_t buffer_size);
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@@ -204,12 +211,18 @@ status_t snooze_until(bigtime_t time, int timebase);
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status_t kill_team(team_id team)
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{ return sys_kill_team(team); }
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// TO DO
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status_t _get_team_info(team_id team, team_info *info, size_t size);
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// TO DO
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status_t _get_next_team_info(int32 *cookie, team_info *info, size_t size);
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//#define get_team_info(team, info) _get_team_info((team), (info), sizeof(*(info)))
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//#define get_next_team_info(cookie, info) _get_next_team_info((cookie), (info), sizeof(*(info)))
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// OK
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status_t _get_team_info(team_id team, team_info *info, size_t size)
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{ return sys_get_team_info(team, info); }
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// OK
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status_t _get_next_team_info(int32 *cookie, team_info *info, size_t size)
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{ return sys_get_next_team_info(cookie, info); }
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/*
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#define get_team_info(team, info) _get_team_info((team), (info), sizeof(*(info)))
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#define get_next_team_info(cookie, info) _get_next_team_info((cookie), (info), sizeof(*(info)))
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*/
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// TO DO
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status_t get_cpuid(cpuid_info* info, uint32 eax_register, uint32 cpu_num);
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