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/*
** mrb_sleep - sleep methods for mruby
**
** Copyright (c) mod_mruby developers 2012-
** Copyright (c) mruby developers 2018
**
** Permission is hereby granted, free of charge, to any person obtaining
** a copy of this software and associated documentation files (the
** "Software"), to deal in the Software without restriction, including
** without limitation the rights to use, copy, modify, merge, publish,
** distribute, sublicense, and/or sell copies of the Software, and to
** permit persons to whom the Software is furnished to do so, subject to
** the following conditions:
**
** The above copyright notice and this permission notice shall be
** included in all copies or substantial portions of the Software.
**
** THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
** EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
** MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
** IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
** CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
** TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
** SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
**
** [ MIT license: http://www.opensource.org/licenses/mit-license.php ]
*/
#include <time.h>
#ifdef _WIN32
#include <windows.h>
#define sleep(x) Sleep(x * 1000)
#define usleep(x) Sleep((DWORD)(((x)<1000) ? 1 : ((x)/1000)))
#else
#include <unistd.h>
#include <sys/time.h>
#endif
#include "mruby.h"
/* not implemented forever sleep (called without an argument)*/
static mrb_value
mrb_f_sleep(mrb_state *mrb, mrb_value self)
{
time_t beg = time(0);
time_t end;
#ifndef MRB_WITHOUT_FLOAT
mrb_float sec;
mrb_get_args(mrb, "f", &sec);
if (sec >= 0) {
usleep(sec * 1000000);
}
else {
mrb_raise(mrb, E_ARGUMENT_ERROR, "time interval must not be negative");
}
#else
mrb_int sec;
mrb_get_args(mrb, "i", &sec);
if (sec >= 0) {
sleep(sec);
} else {
mrb_raise(mrb, E_ARGUMENT_ERROR, "time interval must not be negative");
}
#endif
end = time(0) - beg;
return mrb_fixnum_value((mrb_int)end);
}
/* mruby special; needed for mruby without float numbers */
static mrb_value
mrb_f_usleep(mrb_state *mrb, mrb_value self)
{
mrb_int usec;
#ifdef _WIN32
FILETIME st_ft,ed_ft;
unsigned __int64 st_time = 0;
unsigned __int64 ed_time = 0;
#else
struct timeval st_tm,ed_tm;
#endif
time_t slp_tm;
#ifdef _WIN32
GetSystemTimeAsFileTime(&st_ft);
#else
gettimeofday(&st_tm, NULL);
#endif
/* not implemented forever sleep (called without an argument)*/
mrb_get_args(mrb, "i", &usec);
if (usec >= 0) {
usleep(usec);
} else {
mrb_raise(mrb, E_ARGUMENT_ERROR, "time interval must not be negative integer");
}
#ifdef _WIN32
GetSystemTimeAsFileTime(&ed_ft);
st_time |= st_ft.dwHighDateTime;
st_time <<=32;
st_time |= st_ft.dwLowDateTime;
ed_time |= ed_ft.dwHighDateTime;
ed_time <<=32;
ed_time |= ed_ft.dwLowDateTime;
slp_tm = (ed_time - st_time) / 10;
#else
gettimeofday(&ed_tm, NULL);
if (st_tm.tv_usec > ed_tm.tv_usec) {
slp_tm = 1000000 + ed_tm.tv_usec - st_tm.tv_usec;
}
else {
slp_tm = ed_tm.tv_usec - st_tm.tv_usec;
}
#endif
return mrb_fixnum_value((mrb_int)slp_tm);
}
void
mrb_mruby_sleep_gem_init(mrb_state *mrb)
{
mrb_define_method(mrb, mrb->kernel_module, "sleep", mrb_f_sleep, MRB_ARGS_REQ(1));
mrb_define_method(mrb, mrb->kernel_module, "usleep", mrb_f_usleep, MRB_ARGS_REQ(1));
}
void
mrb_mruby_sleep_gem_final(mrb_state *mrb)
{
}
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