TCGETPGRP(3) | Library Functions Manual | TCGETPGRP(3) |
tcgetpgrp
— get
foreground process group ID
#include
<unistd.h>
pid_t
tcgetpgrp
(int
fd);
The
tcgetpgrp
()
function returns the value of the process group ID of the foreground process
group associated with the terminal device. If there is no foreground process
group, tcgetpgrp
() returns an invalid process
ID.
If an error occurs, tcgetpgrp
() returns -1
and the global variable errno is set to indicate the
error, as follows:
The tcgetpgrp
() function is expected to be
compliant with the IEEE Std 1003.1-1988
(“POSIX.1”) specification.
December 12, 2013 | OpenBSD-current |