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restore code closing most open files between fork and exec

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This commit is contained in:
Jeff Hill
2005-10-21 17:02:49 +00:00
parent 8fd6cd15e1
commit 6e4d206301
1 changed files with 11 additions and 3 deletions
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14
src/libCom/osi/os/posix/osdProcess.c
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@@ -81,10 +81,18 @@ epicsShareFunc osiSpawnDetachedProcessReturn epicsShareAPI osiSpawnDetachedProce
}
/*
* since all epics sockets are created with the FD_CLOEXEC
* option then we no-longer need to blindly close all open
* files here.
* close all open files except for STDIO so they will not
* be inherited by the spawned process.
*/
{
int fd, maxfd = sysconf ( _SC_OPEN_MAX );
for ( fd = 0; fd <= maxfd; fd++ ) {
if (fd==STDIN_FILENO) continue;
if (fd==STDOUT_FILENO) continue;
if (fd==STDERR_FILENO) continue;
close (fd);
}
}
/*
* overlay the specified executable