On Tue, 1 Mar 2005, Hareesh Nagarajan wrote:
Hi,
Can a process check if a given PID exists or not? In other words can a
process check if an unrelated process is alive? Is there any system
call that does this?
Use kill() with a second argument being zero.
if (kill(pid, 0) == -1)
{
/* Process is not there. */
}
else
{
/* Process is alive. */
}
Holger
-
To unsubscribe from this list: send the line "unsubscribe linux-c-programming"
in
the body of a message to [EMAIL PROTECTED]
More majordomo info at http://vger.kernel.org/majordomo-info.html
