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my_popen: close filedescriptors before exec

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Signed-off-by: Jacek Jendrzej <crashdvb@googlemail.com>


Origin commit data
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Branch: ni/coolstream
Commit: 3064107b90
Author: Stefan Seyfried <seife@tuxbox-git.slipkontur.de>
Date: 2013-02-20 (Wed, 20 Feb 2013)



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This commit was generated by Migit
This commit is contained in:
Stefan Seyfried
2013-02-20 15:20:55 +01:00
committed by Jacek Jendrzej
parent d37d693cc8
commit 19857a5521
1 changed files with 3 additions and 0 deletions
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src/system/helpers.cpp
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@@ -129,6 +129,9 @@ FILE* my_popen( pid_t& pid, const char *cmdstring, const char *type)
close(pfd[0]); close(pfd[0]);
} }
} }
int maxfd = getdtablesize();
for(int i = 3; i < maxfd; i++)
close(i);
execl("/bin/sh", "sh", "-c", cmdstring, (char *)0); execl("/bin/sh", "sh", "-c", cmdstring, (char *)0);
exit(0); exit(0);
} }