/*
dropin.c -- a set of drop-in replacements for libc functions
Copyright (C) 2000-2005 Ivo Timmermans,
- 2000-2009 Guus Sliepen <guus@tinc-vpn.org>
+ 2000-2011 Guus Sliepen <guus@tinc-vpn.org>
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
#ifndef HAVE_DAEMON
/*
Replacement for the daemon() function.
-
+
The daemon() function is for programs wishing to detach themselves
from the controlling terminal and run in the background as system
daemons.
size = 100;
buf = xmalloc(size);
- errno = 0; /* Success */
+ errno = 0; /* Success */
r = getcwd(buf, size);
/* getcwd returns NULL and sets errno to ERANGE if the bufferspace
is insufficient to contain the entire working directory. */
while(r == NULL && errno == ERANGE) {
free(buf);
- size <<= 1; /* double the size */
+ size <<= 1; /* double the size */
buf = xmalloc(size);
r = getcwd(buf, size);
}
return 0;
}
#endif
+
+#ifndef HAVE_USLEEP
+int usleep(long long usec) {
+ struct timeval tv = {usec / 1000000, (usec / 1000) % 1000};
+ select(0, NULL, NULL, NULL, &tv);
+ return 0;
+}
+#endif