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/* Copyright 2003 Roger Dingledine */
/* See LICENSE for licensing information */
/* $Id$ */
#include "orconfig.h"
#include <stdlib.h>
#include <limits.h>
#if _MSC_VER > 1300
#include <winsock2.h>
#include <ws2tcpip.h>
#elif defined(_MSC_VER)
#include <winsock.h>
#endif
#ifdef HAVE_SYS_FCNTL_H
#include <sys/fcntl.h>
#endif
#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#ifdef HAVE_UNISTD_H
#include <unistd.h>
#endif
#include <assert.h>
#include "util.h"
#include "log.h"
void *tor_malloc(size_t size) {
void *result;
result = malloc(size);
if(!result) {
log_fn(LOG_ERR, "Out of memory. Dying.");
exit(1);
}
return result;
}
void
my_gettimeofday(struct timeval *timeval)
{
#ifdef HAVE_GETTIMEOFDAY
if (gettimeofday(timeval, NULL)) {
log_fn(LOG_ERR, "gettimeofday failed.");
/* If gettimeofday dies, we have either given a bad timezone (we didn't),
or segfaulted.*/
exit(1);
}
#elif defined(HAVE_FTIME)
ftime(timeval);
#else
#error "No way to get time."
#endif
return;
}
long
tv_udiff(struct timeval *start, struct timeval *end)
{
long udiff;
long end_usec = end->tv_usec;
long secdiff = end->tv_sec - start->tv_sec;
if (secdiff+1 > LONG_MAX/1000000) {
log_fn(LOG_NOTICE, "comparing times too far apart.");
return LONG_MAX;
}
udiff = secdiff*1000000L + (end_usec - start->tv_usec);
if(udiff < 0) {
log_fn(LOG_NOTICE, "start is after end. Returning 0.");
return 0;
}
return udiff;
}
int tv_cmp(struct timeval *a, struct timeval *b) {
if (a->tv_sec > b->tv_sec)
return 1;
if (a->tv_sec < b->tv_sec)
return -1;
if (a->tv_usec > b->tv_usec)
return 1;
if (a->tv_usec < b->tv_usec)
return -1;
return 0;
}
void tv_add(struct timeval *a, struct timeval *b) {
a->tv_usec += b->tv_usec;
a->tv_sec += b->tv_sec + (a->tv_usec / 1000000);
a->tv_usec %= 1000000;
}
void tv_addms(struct timeval *a, long ms) {
a->tv_usec += (ms * 1000) % 1000000;
a->tv_sec += ((ms * 1000) / 1000000) + (a->tv_usec / 1000000);
a->tv_usec %= 1000000;
}
void set_socket_nonblocking(int socket)
{
#ifdef _MSC_VER
/* Yes means no and no means yes. Do you not want to be nonblocking? */
int nonblocking = 0;
ioctlsocket(socket, FIONBIO, (unsigned long*) &nonblocking);
#else
fcntl(socket, F_SETFL, O_NONBLOCK);
#endif
}
int spawn_func(int (*func)(void *), void *data)
{
#ifdef _MSC_VER
int rv;
rv = _beginthread(func, 0, data);
if (rv == (unsigned long) -1)
return -1;
return 0;
#else
pid_t pid;
pid = fork();
if (pid<0)
return -1;
if (pid==0) {
/* Child */
func(data);
assert(0); /* Should never reach here. */
} else {
/* Parent */
return 0;
}
#endif
}
void spawn_exit()
{
#ifdef _MSC_VER
_endthread();
#else
exit(0);
#endif
}
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