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// Copyright 2019 Open Source Robotics Foundation, Inc.
//
// Licensed 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.
/// \file
#ifndef RCUTILS__PROCESS_H_
#define RCUTILS__PROCESS_H_
#ifdef __cplusplus
extern "C"
{
#endif
#include "rcutils/allocator.h"
#include "rcutils/macros.h"
#include "rcutils/visibility_control.h"
/// Retrieve the current process ID.
/**
* This function returns the current process ID, and is always successful.
*
* This function is thread-safe.
*
* \return The current process ID.
*/
RCUTILS_PUBLIC
RCUTILS_WARN_UNUSED
int rcutils_get_pid(void);
/// Retrieve the current executable name.
/**
* This function portably retrieves the current program name and returns
* a copy of it.
* It is up to the caller to free the memory.
*
* This function is thread-safe.
*
* \param[in] allocator the allocator to use
* \return The program name on success, or
* \return NULL on failure.
*/
RCUTILS_PUBLIC
RCUTILS_WARN_UNUSED
char * rcutils_get_executable_name(rcutils_allocator_t allocator);
#ifdef __cplusplus
}
#endif
#endif // RCUTILS__PROCESS_H_
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