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114 lines
4.4 KiB
114 lines
4.4 KiB
/**************************************************************************** |
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* include/sys/prctl.h |
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* |
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* Copyright (C) 2012 Gregory Nutt. All rights reserved. |
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* Author: Gregory Nutt <gnutt@nuttx.org> |
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* |
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* Redistribution and use in source and binary forms, with or without |
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* modification, are permitted provided that the following conditions |
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* are met: |
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* |
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* 1. Redistributions of source code must retain the above copyright |
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* notice, this list of conditions and the following disclaimer. |
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* 2. Redistributions in binary form must reproduce the above copyright |
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* notice, this list of conditions and the following disclaimer in |
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* the documentation and/or other materials provided with the |
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* distribution. |
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* 3. Neither the name NuttX nor the names of its contributors may be |
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* used to endorse or promote products derived from this software |
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* without specific prior written permission. |
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* |
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
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* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
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* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
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* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
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* POSSIBILITY OF SUCH DAMAGE. |
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* |
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****************************************************************************/ |
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#ifndef __INCLUDE_SYS_PRCTL_H |
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#define __INCLUDE_SYS_PRCTL_H |
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/**************************************************************************** |
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* Included Files |
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****************************************************************************/ |
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/**************************************************************************** |
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* Pre-Processor Definitions |
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****************************************************************************/ |
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/* Supported prctl() commands. |
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* |
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* PR_SET_NAME |
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* Set the task (or thread) name for the thread whose ID is in required |
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* arg2 (int), using the value in the location pointed to by required arg1 |
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* (char*). The name can be up to CONFIG_TASK_NAME_SIZE long (including |
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* any null termination). The thread ID of 0 will set the name of the |
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* calling thread. As an example: |
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* |
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* prctl(PR_SET_NAME, "MyName", 0); |
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* |
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* PR_GET_NAME |
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* Return the task (or thread) name for the for the thread whose ID is |
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* optional arg2 (int), in the buffer pointed to by optional arg1 (char *). |
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* The buffer must be CONFIG_TASK_NAME_SIZE long (including any null |
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* termination). As an example: |
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* |
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* char myname[CONFIG_TASK_NAME_SIZE]; |
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* prctl(PR_GET_NAME, myname, 0); |
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*/ |
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#define PR_SET_NAME 1 |
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#define PR_GET_NAME 2 |
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/**************************************************************************** |
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* Public Type Definitions |
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****************************************************************************/ |
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/**************************************************************************** |
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* Public Function Prototypes |
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****************************************************************************/ |
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#undef EXTERN |
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#if defined(__cplusplus) |
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#define EXTERN extern "C" |
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extern "C" { |
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#else |
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#define EXTERN extern |
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#endif |
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/**************************************************************************** |
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* Name: prctl |
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* |
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* Description: |
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* prctl() is called with a first argument describing what to do (with |
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* values PR_* defined above) and with additional arguments depending on |
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* the specific command. |
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* |
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* Returned Value: |
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* The returned value may depend on the specific commnand. For PR_SET_NAME |
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* and PR_GET_NAME, the returned value of 0 indicates successful operation. |
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* On any failure, -1 is retruend and the errno value is set appropriately. |
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* |
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* EINVAL The value of 'option' is not recognized. |
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* EFAULT optional arg1 is not a valid address. |
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* ESRCH No task/thread can be found corresponding to that specified |
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* by optional arg1. |
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* |
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****************************************************************************/ |
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EXTERN int prctl(int option, ...); |
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#undef EXTERN |
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#if defined(__cplusplus) |
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} |
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#endif |
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#endif /* __INCLUDE_SYS_PRCTL_H */
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