{"id":4706,"date":"2022-12-20T18:36:48","date_gmt":"2022-12-20T21:36:48","guid":{"rendered":"http:\/\/lode.uno\/linux-man\/index.php\/2022\/12\/20\/tcsetpgrp-man3p\/"},"modified":"2022-12-20T18:36:48","modified_gmt":"2022-12-20T21:36:48","slug":"tcsetpgrp-man3p","status":"publish","type":"post","link":"https:\/\/lode.uno\/linux-man\/2022\/12\/20\/tcsetpgrp-man3p\/","title":{"rendered":"TCSETPGRP (man3p)"},"content":{"rendered":"<h1 align=\"center\">TCSETPGRP<\/h1>\n<p> <a href=\"#PROLOG\">PROLOG<\/a><br \/> <a href=\"#NAME\">NAME<\/a><br \/> <a href=\"#SYNOPSIS\">SYNOPSIS<\/a><br \/> <a href=\"#DESCRIPTION\">DESCRIPTION<\/a><br \/> <a href=\"#RETURN VALUE\">RETURN VALUE<\/a><br \/> <a href=\"#ERRORS\">ERRORS<\/a><br \/> <a href=\"#EXAMPLES\">EXAMPLES<\/a><br \/> <a href=\"#APPLICATION USAGE\">APPLICATION USAGE<\/a><br \/> <a href=\"#RATIONALE\">RATIONALE<\/a><br \/> <a href=\"#FUTURE DIRECTIONS\">FUTURE DIRECTIONS<\/a><br \/> <a href=\"#SEE ALSO\">SEE ALSO<\/a><br \/> <a href=\"#COPYRIGHT\">COPYRIGHT<\/a> <\/p>\n<hr>\n<h2>PROLOG <a name=\"PROLOG\"><\/a> <\/h2>\n<p style=\"margin-left:11%; margin-top: 1em\">This manual page is part of the POSIX Programmer\u2019s Manual. The Linux implementation of this interface may differ (consult the corresponding Linux manual page for details of Linux behavior), or the interface may not be implemented on Linux.<\/p>\n<h2>NAME <a name=\"NAME\"><\/a> <\/h2>\n<p style=\"margin-left:11%; margin-top: 1em\">tcsetpgrp \u2014 set the foreground process group ID<\/p>\n<h2>SYNOPSIS <a name=\"SYNOPSIS\"><\/a> <\/h2>\n<p style=\"margin-left:11%; margin-top: 1em\">#include <unistd.h><\/p>\n<p style=\"margin-left:11%; margin-top: 1em\">int tcsetpgrp(int <i>fildes<\/i>, pid_t <i>pgid_id<\/i>);<\/p>\n<h2>DESCRIPTION <a name=\"DESCRIPTION\"><\/a> <\/h2>\n<p style=\"margin-left:11%; margin-top: 1em\">If the process has a controlling terminal, <i>tcsetpgrp<\/i>() shall set the foreground process group ID associated with the terminal to <i>pgid_id<\/i>. The application shall ensure that the file associated with <i>fildes<\/i> is the controlling terminal of the calling process and the controlling terminal is currently associated with the session of the calling process. The application shall ensure that the value of <i>pgid_id<\/i> matches a process group ID of a process in the same session as the calling process.<\/p>\n<p style=\"margin-left:11%; margin-top: 1em\">Attempts to use <i>tcsetpgrp<\/i>() from a process which is a member of a background process group on a <i>fildes<\/i> associated with its controlling terminal shall cause the process group to be sent a SIGTTOU signal. If the calling thread is blocking SIGTTOU signals or the process is ignoring SIGTTOU signals, the process shall be allowed to perform the operation, and no signal is sent.<\/p>\n<h2>RETURN VALUE <a name=\"RETURN VALUE\"><\/a> <\/h2>\n<p style=\"margin-left:11%; margin-top: 1em\">Upon successful completion, 0 shall be returned. Otherwise, \u22121 shall be returned and <i>errno<\/i> set to indicate the error.<\/p>\n<h2>ERRORS <a name=\"ERRORS\"><\/a> <\/h2>\n<p style=\"margin-left:11%; margin-top: 1em\">The <i>tcsetpgrp<\/i>() function shall fail if:<\/p>\n<table width=\"100%\" border=\"0\" rules=\"none\" frame=\"void\" cellspacing=\"0\" cellpadding=\"0\">\n<tr valign=\"top\" align=\"left\">\n<td width=\"11%\"><\/td>\n<td width=\"9%\">\n<p><b>EBADF<\/b><\/p>\n<\/td>\n<td width=\"2%\"><\/td>\n<td width=\"78%\">\n<p>The <i>fildes<\/i> argument is not a valid file descriptor.<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"top\" align=\"left\">\n<td width=\"11%\"><\/td>\n<td width=\"9%\">\n<p><b>EINVAL<\/b><\/p>\n<\/td>\n<td width=\"2%\"><\/td>\n<td width=\"78%\">\n<p>This implementation does not support the value in the <i>pgid_id<\/i> argument.<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"top\" align=\"left\">\n<td width=\"11%\"><\/td>\n<td width=\"9%\">\n<p><b>EIO<\/b><\/p>\n<\/td>\n<td width=\"2%\"><\/td>\n<td width=\"78%\">\n<p>The process group of the writing process is orphaned, the calling thread is not blocking SIGTTOU, and the process is not ignoring SIGTTOU.<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"top\" align=\"left\">\n<td width=\"11%\"><\/td>\n<td width=\"9%\">\n<p><b>ENOTTY<\/b><\/p>\n<\/td>\n<td width=\"2%\"><\/td>\n<td width=\"78%\">\n<p>The calling process does not have a controlling terminal, or the file is not the controlling terminal, or the controlling terminal is no longer associated with the session of the calling process.<\/p>\n<\/td>\n<\/tr>\n<tr valign=\"top\" align=\"left\">\n<td width=\"11%\"><\/td>\n<td width=\"9%\">\n<p><b>EPERM<\/b><\/p>\n<\/td>\n<td width=\"2%\"><\/td>\n<td width=\"78%\">\n<p>The value of <i>pgid_id<\/i> is a value supported by the implementation, but does not match the process group ID of a process in the same session as the calling process.<\/p>\n<\/td>\n<\/tr>\n<\/table>\n<p style=\"margin-left:11%; margin-top: 1em\"><i>The following sections are informative.<\/i><\/p>\n<h2>EXAMPLES <a name=\"EXAMPLES\"><\/a> <\/h2>\n<p style=\"margin-left:11%; margin-top: 1em\">None.<\/p>\n<h2>APPLICATION USAGE <a name=\"APPLICATION USAGE\"><\/a> <\/h2>\n<p style=\"margin-left:11%; margin-top: 1em\">None.<\/p>\n<h2>RATIONALE <a name=\"RATIONALE\"><\/a> <\/h2>\n<p style=\"margin-left:11%; margin-top: 1em\">None.<\/p>\n<h2>FUTURE DIRECTIONS <a name=\"FUTURE DIRECTIONS\"><\/a> <\/h2>\n<p style=\"margin-left:11%; margin-top: 1em\">None.<\/p>\n<h2>SEE ALSO <a name=\"SEE ALSO\"><\/a> <\/h2>\n<p style=\"margin-left:11%; margin-top: 1em\"><i>tcgetpgrp<\/i>()<\/p>\n<p style=\"margin-left:11%; margin-top: 1em\">The Base Definitions volume of POSIX.1-2017, <b><sys_types.h><\/b>, <b><unistd.h><\/b><\/p>\n<h2>COPYRIGHT <a name=\"COPYRIGHT\"><\/a> <\/h2>\n<p style=\"margin-left:11%; margin-top: 1em\">Portions of this text are reprinted and reproduced in electronic form from IEEE Std 1003.1-2017, Standard for Information Technology &#8212; Portable Operating System Interface (POSIX), The Open Group Base Specifications Issue 7, 2018 Edition, Copyright (C) 2018 by the Institute of Electrical and Electronics Engineers, Inc and The Open Group. In the event of any discrepancy between this version and the original IEEE and The Open Group Standard, the original IEEE and The Open Group Standard is the referee document. The original Standard can be obtained online at http:\/\/www.opengroup.org\/unix\/online.html .<\/p>\n<p style=\"margin-left:11%; margin-top: 1em\">Any typographical or formatting errors that appear in this page are most likely to have been introduced during the conversion of the source files to man page format. To report such errors, see https:\/\/www.kernel.org\/doc\/man-pages\/reporting_bugs.html .<\/p>\n<hr>\n","protected":false},"excerpt":{"rendered":"<p>  tcsetpgrp \u2014 set the foreground process group ID <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[3779,1],"tags":[1594,1630],"class_list":["post-4706","post","type-post","status-publish","format-standard","hentry","category-3pm-perl-llamadas-de-bibliotecas","category-sin-categoria","tag-man3p","tag-tcsetpgrp"],"gutentor_comment":0,"_links":{"self":[{"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/posts\/4706","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/comments?post=4706"}],"version-history":[{"count":0,"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/posts\/4706\/revisions"}],"wp:attachment":[{"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/media?parent=4706"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/categories?post=4706"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/lode.uno\/linux-man\/wp-json\/wp\/v2\/tags?post=4706"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}