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Replace usleep() with nanosleep().

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This commit is contained in:
Guus Sliepen 2016-04-14 17:20:36 +02:00
parent 491839a81a
commit b5b04910b9
4 changed files with 9 additions and 10 deletions
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2
configure.ac
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@ -199,7 +199,7 @@ AC_CHECK_TYPES([socklen_t, struct ether_header, struct arphdr, struct ether_arp,
dnl Checks for library functions.
AC_TYPE_SIGNAL
AC_CHECK_FUNCS([asprintf daemon fchmod flock ftime fork get_current_dir_name gettimeofday mlockall putenv random recvmmsg select strdup strsignal usleep unsetenv vsyslog devname fdevname],
AC_CHECK_FUNCS([asprintf daemon fchmod flock ftime fork get_current_dir_name gettimeofday mlockall putenv random recvmmsg select strdup strsignal nanosleep unsetenv vsyslog devname fdevname],
[], [], [#include "$srcdir/src/have.h"]
)

11
src/dropin.c
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@ -1,7 +1,7 @@
/*
dropin.c -- a set of drop-in replacements for libc functions
Copyright (C) 2000-2005 Ivo Timmermans,
2000-2013 Guus Sliepen <guus@tinc-vpn.org>
2000-2016 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
@ -174,10 +174,9 @@ int gettimeofday(struct timeval *tv, void *tz) {
}
#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;
#ifndef HAVE_NANOSLEEP
int nanosleep(const struct timespec *req, struct timespec *rem) {
struct timeval tv = {req->tv_sec, req->tv_nsec / 1000};
return select(0, NULL, NULL, NULL, &tv);
}
#endif

4
src/dropin.h
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@ -41,8 +41,8 @@ extern int vasprintf(char **, const char *, va_list ap);
extern int gettimeofday(struct timeval *, void *);
#endif
#ifndef HAVE_USLEEP
extern int usleep(long long usec);
#ifndef HAVE_NANOSLEEP
extern int nanosleep(const struct timespec *req, struct timespec *rem);
#endif
#ifndef timeradd

2
src/net.c
View file

@ -181,7 +181,7 @@ static void periodic_handler(void *data) {
if(contradicting_del_edge > 100 && contradicting_add_edge > 100) {
logger(DEBUG_ALWAYS, LOG_WARNING, "Possible node with same Name as us! Sleeping %d seconds.", sleeptime);
usleep(sleeptime * 1000000LL);
nanosleep(&(struct timespec){sleeptime, 0}, NULL);
sleeptime *= 2;
if(sleeptime < 0)
sleeptime = 3600;