FreeBSD Manual Pages
TCGETPGRP(3) FreeBSD Library Functions Manual TCGETPGRP(3) NAME tcgetpgrp -- get foreground process group ID LIBRARY Standard C Library (libc, -lc) SYNOPSIS #include <unistd.h> pid_t tcgetpgrp(int fd); DESCRIPTION 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. ERRORS If an error occurs, tcgetpgrp() returns -1 and the global variable errno is set to indicate the error, as follows: [EBADF] The fd argument is not a valid file descriptor. [ENOTTY] The calling process does not have a controlling termi- nal or the underlying terminal device represented by fd is not the controlling terminal. SEE ALSO setpgid(2), setsid(2), tcsetpgrp(3) STANDARDS The tcgetpgrp() function is expected to be compliant with the IEEE Std 1003.1-1988 ("POSIX.1") specification. FreeBSD 13.0 November 28, 2022 FreeBSD 13.0
NAME | LIBRARY | SYNOPSIS | DESCRIPTION | ERRORS | SEE ALSO | STANDARDS
Want to link to this manual page? Use this URL:
<https://man.freebsd.org/cgi/man.cgi?query=tcgetpgrp&sektion=3&manpath=FreeBSD+13.2-RELEASE>