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/*
Catalyst PCIBX32 PCI Extender control utility
Copyright (c) 2006,2007 Michael Buesch <mb@bu3sch.de>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; see the file COPYING. If not, write to
the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
Boston, MA 02110-1301, USA.
*/
#include "utils.h"
#include "pcibx.h"
#include <string.h>
#include <stdlib.h>
#include <stdio.h>
#include <stdarg.h>
#include <time.h>
#include <sys/time.h>
#include <errno.h>
#include <unistd.h>
void udelay(unsigned int usecs)
{
int err;
struct timeval time, deadline;
err = gettimeofday(&deadline, NULL);
if (err)
goto error;
deadline.tv_usec += usecs;
if (deadline.tv_usec >= 1000000) {
deadline.tv_sec++;
deadline.tv_usec -= 1000000;
}
while (1) {
err = gettimeofday(&time, NULL);
if (err)
goto error;
if (time.tv_sec < deadline.tv_sec)
continue;
if (time.tv_usec >= deadline.tv_usec)
break;
}
return;
error:
prerror("gettimeofday() failed with: %s\n",
strerror(errno));
}
void msleep(unsigned int msecs)
{
int err;
struct timespec time;
time.tv_sec = 0;
while (msecs >= 1000) {
time.tv_sec++;
msecs -= 1000;
}
time.tv_nsec = msecs;
time.tv_nsec *= 1000000;
do {
err = nanosleep(&time, &time);
} while (err && errno == EINTR);
if (err) {
prerror("nanosleep() failed with: %s\n",
strerror(errno));
}
}
int prinfo(const char *fmt, ...)
{
int ret;
va_list va;
va_start(va, fmt);
ret = vfprintf(stdout, fmt, va);
va_end(va);
return ret;
}
int prerror(const char *fmt, ...)
{
int ret;
va_list va;
va_start(va, fmt);
ret = vfprintf(stderr, fmt, va);
va_end(va);
return ret;
}
void internal_error(const char *message)
{
prerror("Internal programming error: %s\n", message);
exit(1);
}
static void oom(void)
{
prerror("ERROR: Out of memory!\n"
"Virtual memory exhausted. "
"Please close some applications, "
"add more RAM or SWAP space.\n");
exit(1);
}
void * malloce(size_t size)
{
void *ret;
ret = malloc(size);
if (!ret)
oom();
return ret;
}
void * realloce(void *ptr, size_t newsize)
{
void *ret;
ret = realloc(ptr, newsize);
if (!ret)
oom();
return ret;
}
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