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April, 26th. 2006:
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CAPNG_SETPID
Section: Libca-ng API (3) Updated: June 2009 Index
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NAME
capng_setpid - set working pid
SYNOPSIS
#include <ca-ng.h>
void capng_setpid(int pid);
DESCRIPTION
capng_pid sets the working pid for capabilities operations. This is useful if you want to get the capabilities of a different process.
NOTES
If your process calls
fork
, then the child process will still have the pid of the parent process stored in libca-ng's internal data. It is disallowed to do any kind of setcap operations because you would be crossing process boundaries. To correct this, if your program links against pthreads, then libca-ng will use the
pthread_atfork
function (as a weak symbol) to reset the pid information to the new process automatically. You are not required to link against pthreads. You can call
capng_setpid
and adjust the stored pid manually.
RETURN VALUE
None.
SEE ALSO
capng_get_caps_process(3),
capabilities(7)
AUTHOR
Steve Grubb
Index
- NAME
-
- SYNOPSIS
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- DESCRIPTION
-
- NOTES
-
- RETURN VALUE
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- SEE ALSO
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- AUTHOR
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