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configure_network: mysystem: use vfork

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Origin commit data
------------------
Commit: aff97b7c18
Author: Jacek Jendrzej <overx300@gmail.com>
Date: 2012-06-18 (Mon, 18 Jun 2012)
This commit is contained in:
Jacek Jendrzej
2012-06-18 16:58:51 +02:00
parent 62163fa4e5
commit 573e95478e
1 changed files with 18 additions and 16 deletions
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10
src/system/configure_network.cpp
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@@ -217,15 +217,17 @@ void CNetworkConfig::commitConfig(void)
int mysystem(char * cmd, char * arg1, char * arg2) int mysystem(char * cmd, char * arg1, char * arg2)
{ {
int pid, i; int i;
switch (pid = fork()) pid_t pid;
int maxfd = getdtablesize();// sysconf(_SC_OPEN_MAX);
switch (pid = vfork())
{ {
case -1: /* can't fork */ case -1: /* can't fork */
perror("fork"); perror("vfork");
return -1; return -1;
case 0: /* child process */ case 0: /* child process */
for(i = 3; i < 256; i++) for(i = 3; i < maxfd; i++)
close(i); close(i);
if(execlp(cmd, cmd, arg1, arg2, NULL)) if(execlp(cmd, cmd, arg1, arg2, NULL))
{ {