NAME tcgetsid - get session ID CONTENTS Synopsis Description Errors Notes SYNOPSIS "#include <termios.h>" "pid_t tcgetsid(int "fd); DESCRIPTION The function tcgetsid() returns the session ID of the current session that has the terminal associated to fd as controlling terminal. This terminal must be the controlling terminal of the calling process. "RETURN VALUE" When fd refers to the controlling terminal of our session, the function tcgetsid() will return the session ID of this session. Otherwise, -1 is returned, and errno is set appropriately. ERRORS
"#include <termios.h>"
"pid_t tcgetsid(int "fd); DESCRIPTION The function tcgetsid() returns the session ID of the current session that has the terminal associated to fd as controlling terminal. This terminal must be the controlling terminal of the calling process. "RETURN VALUE" When fd refers to the controlling terminal of our session, the function tcgetsid() will return the session ID of this session. Otherwise, -1 is returned, and errno is set appropriately. ERRORS
