coco
124 lines
3.0 KiB
C++
124 lines
3.0 KiB
C++
// Copyright (C) 2004 Davis E. King (davis@dlib.net)
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// License: Boost Software License See LICENSE.txt for the full license.
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#ifndef DLIB_MISC_API_KERNEL_2_CPp_
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#define DLIB_MISC_API_KERNEL_2_CPp_
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#include "../platform.h"
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#ifdef POSIX
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#include <unistd.h>
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#include "misc_api_kernel_2.h"
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#include <sys/time.h>
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#include <sys/stat.h>
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#include <sys/types.h>
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#include <errno.h>
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namespace dlib
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{
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// ----------------------------------------------------------------------------------------
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void sleep (
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unsigned long milliseconds
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)
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{
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// in HP-UX you can only usleep for less than a second
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#ifdef HPUX
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if (milliseconds >= 1000)
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{
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::sleep(milliseconds/1000);
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unsigned long remaining = milliseconds%1000;
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if (remaining > 0)
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::usleep(remaining*1000);
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}
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else
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{
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::usleep(milliseconds*1000);
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}
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#else
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::usleep(milliseconds*1000);
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#endif
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}
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// ----------------------------------------------------------------------------------------
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std::string get_current_dir (
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)
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{
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char buf[1024];
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if (getcwd(buf,sizeof(buf)) == 0)
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{
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return std::string();
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}
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else
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{
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return std::string(buf);
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}
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}
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// ----------------------------------------------------------------------------------------
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void set_current_dir (
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const std::string& new_dir
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)
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{
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if (chdir(new_dir.c_str()))
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{
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throw set_current_dir_error("Error changing current dir to '" + new_dir + "'");
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}
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}
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// ----------------------------------------------------------------------------------------
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uint64 timestamper::
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get_timestamp (
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) const
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{
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uint64 ts;
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timeval curtime;
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gettimeofday(&curtime,0);
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ts = curtime.tv_sec;
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ts *= 1000000;
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ts += curtime.tv_usec;
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return ts;
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}
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// ----------------------------------------------------------------------------------------
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void create_directory (
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const std::string& dir
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)
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{
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if (mkdir(dir.c_str(),0777))
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{
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// an error has occurred
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if (errno == EEXIST)
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{
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struct stat buffer;
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// now check that this is actually a valid directory
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if (::stat(dir.c_str(),&buffer))
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{
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// the directory was not found
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throw dir_create_error(dir);
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}
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else if (S_ISDIR(buffer.st_mode) == 0)
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{
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// It is not a directory
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throw dir_create_error(dir);
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}
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}
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else
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{
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throw dir_create_error(dir);
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}
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}
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}
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// ----------------------------------------------------------------------------------------
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}
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#endif // POSIX
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#endif // DLIB_MISC_API_KERNEL_2_CPp_
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