/**************************************************************************** * apps/examples/thttpd/content/tasks/tasks.c * * Licensed to the Apache Software Foundation (ASF) under one or more * contributor license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright ownership. The * ASF licenses this file to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance with the * License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the * License for the specific language governing permissions and limitations * under the License. * ****************************************************************************/ /**************************************************************************** * Included Files ****************************************************************************/ #include #include #include #include #include #include /**************************************************************************** * Private Data ****************************************************************************/ static const char *g_statenames[] = { "INVALID ", "PENDING ", "READY ", "RUNNING ", "INACTIVE", "WAITSEM ", #ifndef CONFIG_DISABLE_MQUEUE "WAITSIG ", #endif #ifndef CONFIG_DISABLE_MQUEUE "MQNEMPTY", "MQNFULL " #endif }; static const char *g_ttypenames[4] = { "TASK ", "PTHREAD", "KTHREAD", "--?-- " }; static FAR const char *g_policynames[4] = { "FIFO", "RR ", "SPOR", "OTHR" }; /**************************************************************************** * Public Data ****************************************************************************/ /**************************************************************************** * Private Functions ****************************************************************************/ /* NOTEs: * * 1. One limitation in the use of NXFLAT is that functions that are * referenced as a pointer-to-a-function must have global scope. * Otherwise ARM GCC will generate some bad logic. * 2. In general, when called back, there is no guarantee to that PIC * registers will be valid and, unless you take special precautions, it * could be dangerous to reference global variables in the callback * function. */ void show_task(FAR struct tcb_s *tcb, FAR void *arg) { FAR const char *policy; /* Show task/thread status */ policy = g_policynames[(tcb->flags & TCB_FLAG_POLICY_MASK) >> TCB_FLAG_POLICY_SHIFT]; #if CONFIG_TASK_NAME_SIZE > 0 printf("%5d %3d %4s %7s%c%c %8s %s\n", #else printf("%5d %3d %4s %7s%c%c %8s\n", #endif tcb->pid, tcb->sched_priority, policy, g_ttypenames[(tcb->flags & TCB_FLAG_TTYPE_MASK) >> TCB_FLAG_TTYPE_SHIFT], tcb->flags & TCB_FLAG_NONCANCELABLE ? 'N' : ' ', tcb->flags & TCB_FLAG_CANCEL_PENDING ? 'P' : ' ', g_statenames[tcb->task_state] #if CONFIG_TASK_NAME_SIZE > 0 , tcb->name #endif ); } /**************************************************************************** * Public Functions ****************************************************************************/ #ifdef CONFIG_THTTPD_BINFS int tasks_main(int argc, char *argv[]) #else int main(int argc, char *argv[]) #endif { puts( "Content-type: text/html\r\n" "Status: 200/html\r\n" "\r\n" "\r\n" "\r\n" "NuttX Tasks\r\n" "\r\n" "\r\n" "\r\n" "
\r\n" "
Front page
\r\n" "
Say Hello
\r\n" "
Tasks
\r\n" "
\r\n" "
\r\n" "
\r\n" "
\r\n"
    "PID   PRI SCHD TYPE   NP STATE    NAME\r\n");

  nxsched_foreach(show_task, NULL);

  puts(
    "
\r\n" "\r\n" "\r\n"); return 0; }