{"id":528,"date":"2016-09-23T16:10:10","date_gmt":"2016-09-23T08:10:10","guid":{"rendered":"http:\/\/www.5x44.cn\/?p=528"},"modified":"2016-12-01T15:27:19","modified_gmt":"2016-12-01T07:27:19","slug":"tcgetpgrp-tcsetpgrp%e5%92%8ctcgetsid%e5%87%bd%e6%95%b0","status":"publish","type":"post","link":"https:\/\/www.5x44.cn\/?p=528","title":{"rendered":"tcgetpgrp, tcsetpgrp\u548ctcgetsid\u51fd\u6570"},"content":{"rendered":"

\u9700\u8981\u4e00\u79cd\u65b9\u6cd5\u544a\u8bc9\u5185\u6838\u54ea\u4e2a\u8fdb\u7a0b\u7ec4\u662f\u524d\u53f0\u8fdb\u7a0b\u7ec4\uff0c\u4ee5\u8ba9\u7ec8\u7aef \u9a71\u52a8\u8bbe\u5907\u5f97\u77e5\u5411\u54ea\u91cc\u53d1\u9001\u7ec8\u7aef\u8f93\u5165\u548c\u7531\u7ec8\u7aef\u4ea7\u751f\u7684\u4fe1\u53f7\u3002<\/p>\n\n\n\n\n\n\n
\n
#include <unistd.h>\r\n\r\npid_t tcgetpgrp(int filedes<\/span>);\r\n<\/span><\/pre>\n<\/td>\n<\/tr>\n
\n

Returns: process group ID of foreground process group if OK, 1 on error<\/p>\n<\/td>\n<\/tr>\n

\n
int tcsetpgrp(int filedes<\/span>, pid_t pgrpid<\/span>);\r\n<\/span><\/pre>\n<\/td>\n<\/tr>\n
\n

Returns: 0 if OK, 1 on error<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u51fd\u6570tcgetpgrp<\/span>\u8fd4\u56de\u524d\u53f0\u8fdb\u7a0b\u7ec4\u7684\u8fdb\u7a0b\u7ec4ID\uff0c\u5e76\u4e14\u5728filedes<\/em>\u4e0a\u6253\u5f00\u8be5\u7ec8\u7aef\u3002<\/p>\n

\u5982\u679c\u8fdb\u7a0b\u6709\u4e00\u4e2a\u63a7\u5236\u7ec8\u7aef\uff0c\u8fd9\u4e2a\u8fdb\u7a0b\u53ef\u4ee5\u8c03\u7528tcsetpgrp<\/span>\u53bb\u8bbe\u7f6e\u524d\u53f0\u8fdb\u7a0b\u7ec4ID\u4e3apgrpid\u3002pgrpid<\/em>\u8fd9\u4e2a\u503c\u5fc5\u987b\u662f\u540c\u4e00\u4f1a\u8bdd\u4e2d\u7684\u8fdb\u7a0b\u7ec4ID\uff0c\u5e76\u4e14filedes<\/em>\u5fc5\u987b\u6307\u5411\u4f1a\u8bdd\u7684\u63a7\u5236\u7ec8\u7aef\u3002<\/p>\n

\u591a\u6570\u5e94\u7528\u5e76\u4e0d\u76f4\u63a5\u8c03\u7528\u8fd9\u4e24\u4e2a\u51fd\u6570\u3002\u5b83\u4eec\u90fd\u662f\u7531\u4efb\u52a1\u63a7\u5236shell\uff08job-control shell\uff09\u8c03\u7528\u3002<\/p>\n

Single UNIX Specification \u5b9a\u4e49\u4e86\u4e00\u4e2aXSI\u6269\u5c55\uff0c\u88ab\u79f0\u4f5ctcgetsid<\/span>\u3002\u53ef\u4ee5\u901a\u8fc7\u4e00\u4e2a\u6307\u5411\u63a7\u5236TTY\uff08controlling TTY\uff09\u7684\u6587\u4ef6\u63cf\u8ff0\u7b26\uff0c\u8ba9\u5e94\u7528\u7a0b\u5e8f\u83b7\u5f97\u4f1a\u8bdd\u957f\u7684\u8fdb\u7a0b\u7ec4ID\u3002<\/p>\n\n\n\n\n
\n
#include <termios.h>\r\n\r\npid_t tcgetsid(int filedes<\/span>);\r\n<\/span><\/pre>\n<\/td>\n<\/tr>\n
\n

Returns: session leader’s process group ID if OK, 1 on error<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

\u987b\u8981\u53bb\u7ba1\u7406\u63a7\u5236\u7ec8\u7aef\u7684\u5e94\u7528\u7a0b\u5e8f\uff0c\u80fd\u4f7f\u7528tcgetsid<\/span>\u53bb\u6807\u8bc6\u4e00\u4e2a\u63a7\u5236\u7ec8\u7aef\u4f1a\u8bdd\u957f\u7684\u4f1a\u8bddID\uff08\u8fd9\u7b49\u540c\u4e8e\u4f1a\u8bdd\u957f\u7684\u8fdb\u7a0b\u7ec4ID\uff09\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"

\u9700\u8981\u4e00\u79cd\u65b9\u6cd5\u544a\u8bc9\u5185\u6838\u54ea\u4e2a\u8fdb\u7a0b\u7ec4\u662f\u524d\u53f0\u8fdb\u7a0b\u7ec4\uff0c\u4ee5\u8ba9\u7ec8\u7aef \u9a71\u52a8\u8bbe\u5907\u5f97\u77e5\u5411\u54ea\u91cc\u53d1\u9001\u7ec8\u7aef\u8f93\u5165\u548c\u7531\u7ec8\u7aef\u4ea7\u751f\u7684\u4fe1\u53f7\u3002 #include <unistd.h> p…<\/p>\n

Read More Read More<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[18],"tags":[],"class_list":["post-528","post","type-post","status-publish","format-standard","hentry","category-apue"],"_links":{"self":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/528","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=528"}],"version-history":[{"count":2,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/528\/revisions"}],"predecessor-version":[{"id":530,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=\/wp\/v2\/posts\/528\/revisions\/530"}],"wp:attachment":[{"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=528"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=528"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.5x44.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=528"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}