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| author | Adam Ierymenko <adam.ierymenko@gmail.com> | 2013-08-02 14:38:53 -0400 |
|---|---|---|
| committer | Adam Ierymenko <adam.ierymenko@gmail.com> | 2013-08-02 14:38:53 -0400 |
| commit | f823fd05acb2a786fc0de00f77c952b23ca3414d (patch) | |
| tree | e7ba3f45c8ccab4346e2488ca2b45eeac544f830 | |
| parent | 2a6b74746edbfde0b0f1468cdf153263670c908a (diff) | |
| download | infinitytier-f823fd05acb2a786fc0de00f77c952b23ca3414d.tar.gz infinitytier-f823fd05acb2a786fc0de00f77c952b23ca3414d.zip | |
Replace fork() with vfork() in tap config, faster.
| -rw-r--r-- | node/EthernetTap.cpp | 14 |
1 files changed, 7 insertions, 7 deletions
diff --git a/node/EthernetTap.cpp b/node/EthernetTap.cpp index 8fb5e788..c45d50c2 100644 --- a/node/EthernetTap.cpp +++ b/node/EthernetTap.cpp @@ -218,7 +218,7 @@ EthernetTap::EthernetTap( int kextpid; char tmp[4096]; strcpy(tmp,_r->homePath.c_str()); - if ((kextpid = (int)fork()) == 0) { + if ((kextpid = (int)vfork()) == 0) { chdir(tmp); execl(ZT_MAC_KEXTLOAD,ZT_MAC_KEXTLOAD,"-q","-repository",tmp,"tap.kext",(const char *)0); exit(-1); @@ -255,7 +255,7 @@ EthernetTap::EthernetTap( // Configure MAC address and MTU, bring interface up long cpid; - if ((cpid = (long)fork()) == 0) { + if ((cpid = (long)vfork()) == 0) { execl(ZT_ETHERTAP_IFCONFIG,ZT_ETHERTAP_IFCONFIG,_dev,"lladdr",ethaddr,"mtu",mtustr,"up",(const char *)0); exit(-1); } else { @@ -285,7 +285,7 @@ EthernetTap::~EthernetTap() #ifdef __APPLE__ void EthernetTap::whack() { - long cpid = (long)fork(); + long cpid = (long)vfork(); if (cpid == 0) { execl(ZT_MAC_IPCONFIG,ZT_MAC_IPCONFIG,"set",_dev,"AUTOMATIC-V6",(const char *)0); exit(-1); @@ -304,7 +304,7 @@ void EthernetTap::whack() {} #ifdef __LINUX__ static bool ___removeIp(const char *_dev,const InetAddress &ip) { - long cpid = (long)fork(); + long cpid = (long)vfork(); if (cpid == 0) { execl(ZT_ETHERTAP_IP_COMMAND,ZT_ETHERTAP_IP_COMMAND,"addr","del",ip.toString().c_str(),"dev",_dev,(const char *)0); exit(1); /* not reached unless exec fails */ @@ -337,7 +337,7 @@ bool EthernetTap::addIP(const InetAddress &ip) } long cpid; - if ((cpid = (long)fork()) == 0) { + if ((cpid = (long)vfork()) == 0) { execl(ZT_ETHERTAP_IP_COMMAND,ZT_ETHERTAP_IP_COMMAND,"addr","add",ip.toString().c_str(),"dev",_dev,(const char *)0); exit(-1); } else { @@ -357,7 +357,7 @@ bool EthernetTap::addIP(const InetAddress &ip) static bool ___removeIp(const char *_dev,const InetAddress &ip) { int cpid; - if ((cpid = (int)fork()) == 0) { + if ((cpid = (int)vfork()) == 0) { execl(ZT_ETHERTAP_IFCONFIG,ZT_ETHERTAP_IFCONFIG,_dev,"inet",ip.toIpString().c_str(),"-alias",(const char *)0); exit(-1); } else { @@ -390,7 +390,7 @@ bool EthernetTap::addIP(const InetAddress &ip) } int cpid; - if ((cpid = (int)fork()) == 0) { + if ((cpid = (int)vfork()) == 0) { execl(ZT_ETHERTAP_IFCONFIG,ZT_ETHERTAP_IFCONFIG,_dev,ip.isV4() ? "inet" : "inet6",ip.toString().c_str(),"alias",(const char *)0); exit(-1); } else { |