{"id":571,"date":"2016-11-29T14:30:09","date_gmt":"2016-11-29T06:30:09","guid":{"rendered":"http:\/\/www.5x44.cn\/?p=571"},"modified":"2016-12-01T15:27:18","modified_gmt":"2016-12-01T07:27:18","slug":"%e4%bf%a1%e5%8f%b7%e7%9a%84%e6%a6%82%e5%bf%b5","status":"publish","type":"post","link":"https:\/\/www.5x44.cn\/?p=571","title":{"rendered":"\u4fe1\u53f7\u7684\u6982\u5ff5"},"content":{"rendered":"<p>\u9996\u5148\uff0c\u6bcf\u4e2a\u4fe1\u53f7\u90fd\u6709\u4e00\u4e2a\u540d\u5b57\u3002\u540d\u5b57\u90fd\u4ee5<span style=\"color: #993300;\">SIG<\/span>\u5f00\u5934\u3002\u8fd9\u4e9b\u540d\u5b57\u90fd\u7531\u5e38\u91cf\u6b63\u6574\u6570\u5b9a\u4e49\u5728<span style=\"color: #993300;\">&lt;signal.h&gt;<\/span>\u5934\u6587\u4ef6\u4e2d\u3002\uff08\u5b9e\u9645\u4e0a\u4e00\u4e9b\u5b9e\u73b0\u90fd\u6709\u81ea\u5df1\u72ec\u7acb\u7684\u5934\u6587\u4ef6\uff0c\u4f46\u662f\u8fd9\u4e9b\u5934\u6587\u4ef6\u4e5f\u5305\u542b<span style=\"color: #993300;\">&lt;signal.h&gt;<\/span>\uff09<\/p>\n<p>\u6ca1\u6709\u4efb\u4f55\u4e00\u4e2a\u4fe1\u53f7\u4f7f\u7528\u5e38\u91cf0\u30020\u662f\u7528\u4e8ekill\u51fd\u6570\u7684\u4e00\u4e2a\u7279\u522b\u6848\u4f8b\u3002POSIX.1\u53eb\u8fd9\u4e2a\u503c\u4e3a<em>\u7a7a\u4fe1\u53f7\uff08null signal\uff09\u3002<\/em><\/p>\n<p>\u8bb8\u591a\u6761\u4ef6\u90fd\u80fd\u4ea7\u751f\u4fe1\u53f7\uff1a<\/p>\n<ul>\n<li>\u5f53\u7528\u6237\u6309\u67d0\u4e9b\u7ec8\u7aef\u952e\u65f6\uff0c\u7ec8\u7aef\u4ea7\u751f\u4fe1\u53f7\u3002\u5982ctrl+C\u4e00\u822c\u6765\u8bf4\u4f1a\u4ea7\u751f\u4e2d\u65ad\u4fe1\u53f7\uff08<span style=\"color: #993300;\">SIGINT<\/span>\uff09\u3002\u8fd9\u53ef\u4ee5\u505c\u6b62\u4e00\u4e2a\u65e0\u6cd5\u63a7\u5236\u7684\u7a0b\u5e8f\u3002<\/li>\n<li>\u786c\u4ef6\u5f02\u5e38\u4ea7\u751f\u4fe1\u53f7\uff1a\u5982\u9664\u6570\u4e3a0\u3001\u65e0\u6548\u5185\u5b58\u7d22\u5f15\uff0c\u8fd9\u6837\u7c7b\u4f3c\u7684\u60c5\u51b5\u3002\u8fd9\u4e9b\u6761\u4ef6\u4e00\u822c\u662f\u88ab\u786c\u4ef6\u53d1\u73b0\u7684\uff0c\u7136\u540e\u901a\u77e5\u7ed9\u5185\u6838\u3002\u4e4b\u540e\u5185\u6838\u4f1a\u4ea7\u751f\u4e00\u4e2a\u9002\u5f53\u7684\u4fe1\u53f7\uff0c\u53d1\u9001\u7ed9\u5f53\u524d\u4ea7\u751f\u5f02\u5e38\u6761\u4ef6\u7684\u7a0b\u5e8f\u3002\u4f8b\u5982\uff1a\u4e00\u4e2a\u8fdb\u7a0b\u6267\u884c\u4e86\u65e0\u6548\u7684\u5185\u5b58\u7d22\u5f15\uff0c\u4f1a\u4ea7\u751f<span style=\"color: #993300;\">SIGSEGV<\/span>\u4fe1\u53f7\u3002<\/li>\n<li><span style=\"color: #993300;\">kill<\/span>\u51fd\u6570\u5141\u8bb8\u4e00\u4e2a\u8fdb\u7a0b\u53d1\u9001\u4efb\u4f55\u4fe1\u53f7\u5230\u53e6\u4e00\u4e2a\u8fdb\u7a0b\u6216\u8fdb\u7a0b\u7ec4\u4e2d\u3002\u6b63\u5e38\u60c5\u51b5\u4e0b\u6709\u4e2a\u9650\u5236\uff1a\u6211\u4eec\u5fc5\u987b\u662f\u63a5\u6536\u4fe1\u53f7\u7684\u8fdb\u7a0b\u6240\u6709\u8005\uff0c\u6216\u8005\u6211\u4eec\u5fc5\u987b\u662f\u8d85\u7ea7\u7528\u6237\u3002<\/li>\n<li><span style=\"color: #993300;\">kill<\/span>\u547d\u4ee4\u5141\u8bb8\u6211\u4eec\u53d1\u9001\u4fe1\u53f7\u5230\u53e6\u4e00\u4e2a\u8fdb\u7a0b\u3002\u8fd9\u4e2a\u7a0b\u5e8f\u521a\u597d\u6709<span style=\"color: #993300;\">kill<\/span>\u51fd\u6570\u7684\u63a5\u53e3\u3002\u8fd9\u4e2a\u547d\u4ee4\u5e38\u7528\u4e8e\u5236\u6b62\u4e00\u4e2a\u65e0\u6cd5\u505c\u6b62\u7684\u540e\u53f0\u8fdb\u7a0b\u3002<\/li>\n<li>\u5f53\u67d0\u4ef6\u4e8b\u53d1\u751f\uff0c\u8fd9\u4ef6\u4e8b\u5e94\u8be5\u901a\u77e5\u7ed9\u67d0\u8fdb\u7a0b\u65f6\uff0c\u8f6f\u4ef6\u6761\u4ef6\u4e5f\u80fd\u4ea7\u751f\u4fe1\u53f7\u3002\u8fd9\u4e0d\u662f\u786c\u4ef6\u4ea7\u751f\u6761\u4ef6\uff08\u5982\u9664\u6570\u4e3a0\u8fd9\u6837\u7684\u6761\u4ef6\uff09\uff0c\u800c\u662f\u8f6f\u4ef6\u6761\u4ef6\u3002\u4f8b\u5982\uff1a<span style=\"color: #993300;\">SIGURG<\/span>\uff08\u5f53\u8d85\u51fa\u5e26\u5bbd\u7684\u6570\u636e\u5230\u6765\u7684\u65f6\u5019\u4ea7\u751f\uff09\uff0c<span style=\"color: #993300;\">SIGPIPE<\/span>\uff08\u5f53\u8bfb\u53d6PIPE\u7684\u7a0b\u5e8f\u5df2\u7ecf\u7ec8\u6b62\uff0c\u8fdb\u7a0b\u4ecd\u7136\u5199PIPE\u65f6\u4ea7\u751f\u3002\uff09\uff0c<span style=\"color: #993300;\">SIGALRM<\/span>\uff08\u5f53\u8fdb\u7a0b\u8bbe\u7f6e\u7684\u59cb\u7ec8\u5230\u671f\u65f6\u4ea7\u751f\uff09<\/li>\n<\/ul>\n<p>\u4fe1\u53f7\u662f\u5f02\u6b65\u4e8b\u4ef6\u7684\u5178\u578b\u4f8b\u5b50\u3002\u4fe1\u53f7\u53ef\u4ee5\u53d1\u751f\u5728\u8fdb\u7a0b\u8fd0\u884c\u7684\u4efb\u610f\u65f6\u95f4\u91cc\u3002\u8fdb\u7a0b\u4e0d\u80fd\u7b80\u5355\u7684\u6d4b\u8bd5\u67d0\u4e00\u53d8\u91cf\u503c\u6765\u5224\u65ad\u4fe1\u53f7\u662f\u5426\u4ea7\u751f\u4e86\u3002\u800c\u662f\u8fdb\u7a0b\u5fc5\u987b\u544a\u8bc9\u5185\u6838\u201c\u5982\u679c\u67d0\u4e00\u4fe1\u53f7\u53d1\u751f\u4e86\uff0c\u90a3\u4e48\u5c31\u8fd9\u4e48\u5e72\u3002\u201d<\/p>\n<p>\u6211\u4eec\u53ef\u4ee5\u8ba9\u5185\u6838\u505a\u4e0b\u9762\u4e09\u4ef6\u4e8b\u4e4b\u4e00\u3002\u6211\u4eec\u79f0\u4e4b\u4e3a\u201c\u4fe1\u53f7\u5904\u7f6e\uff08disposition of the signal\uff09\u201d\u6216\u201c\u4fe1\u53f7\u5173\u8054\u52a8\u4f5c\u201d\u3002<\/p>\n<ol>\n<li>\u5ffd\u7565\u4fe1\u53f7\u3002\u8fd9\u7528\u4e8e\u591a\u6570\u4fe1\u53f7\uff0c\u4f46\u662f\u4e24\u79cd\u4fe1\u53f7\u4e0d\u80fd\u5ffd\u7565\uff1a<span style=\"color: #993300;\">SIGKILL<\/span>\u548c<span style=\"color: #993300;\">SIGSTOP<\/span>\u3002\u539f\u56e0\u662f\u8fd9\u4e24\u79cd\u4fe1\u53f7\u4e0d\u80fd\u88ab\u5ffd\u7565\uff0c\u8fd9\u662f\u7ed9\u5185\u6838\u6216\u8d85\u7ea7\u7528\u6237\u63d0\u4f9b\u4e00\u79cd\u53ef\u9760\u7684\u7ed3\u675f\u8fdb\u7a0b\u7684\u65b9\u6cd5\u3002\u5982\u679c\u5ffd\u7565\u4e86\u7531\u786c\u4ef6\u4ea7\u751f\u7684\u5f02\u5e38\uff0c\u90a3\u4e48\u8fdb\u7a0b\u7684\u884c\u4e3a\u662f\u672a\u5b9a\u4e49\u7684\u3002<\/li>\n<li>\u6355\u83b7\u4fe1\u53f7\u3002\u8fd9\u4e48\u505a\u662f\u544a\u8bc9\u5185\u6838\uff0c\u65e0\u8bba\u53ef\u65f6\u4ea7\u751f\u4e86\u4fe1\u53f7\uff0c\u5c31\u8c03\u7528\u6211\u4eec\u7684\u67d0\u4e00\u7a0b\u5e8f\u8fdb\u7a0b\u5904\u7406\u3002\u5728\u6211\u4eec\u7684\u51fd\u6570\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u505a\u4efb\u4f55\u6211\u4eec\u60f3\u5904\u7406\u7684\u6761\u4ef6\u3002\u5982\u679c\u6211\u4eec\u5199\u4e86\u4e00\u4e2a\u547d\u4ee4\u4e2d\u65ad\uff0c\u5f53\u7528\u6237\u4f7f\u7528\u952e\u76d8\u4ea7\u751f\u4e00\u4e2a\u4e2d\u65ad\u4fe1\u53f7\u65f6\uff0c\u6211\u4eec\u53ef\u80fd\u60f3\u8fd4\u56de\u4e3b\u51fd\u6570\uff0c\u7ec8\u6b62\u7528\u6237\u5df2\u7ecf\u6267\u884c\u7684\u4efb\u4f55\u547d\u4ee4\u3002\u5982\u679c<span style=\"color: #993300;\">SIGCHLD<\/span>\u4fe1\u53f7\u88ab\u6355\u83b7\uff0c\u5b83\u610f\u5473\u7740\u5b50\u8fdb\u7a0b\u5df2\u7ecf\u7ec8\u6b62\uff0c\u6240\u4ee5\u4fe1\u53f7\u6355\u83b7\u51fd\u6570\u53ef\u4ee5\u8c03\u7528<span style=\"color: #993300;\">waitpid<\/span>\u53bb\u83b7\u5f97\u5b50\u8fdb\u7a0b\u7684PID\u548c\u7ec8\u6b62\u72b6\u6001\u3002\u505a\u4e3a\u53e6\u4e00\u4e2a\u4f8b\u5b50\uff0c\u5982\u679c\u8fdb\u7a0b\u5df2\u7ecf\u521b\u5efa\u4e86\u4e34\u65f6\u6587\u4ef6\uff0c\u6211\u4eec\u53ef\u80fd\u60f3\u5199\u4e00\u4e2a\u6355\u83b7<span style=\"color: #993300;\">SIGTERM<\/span>\uff08\u7ec8\u6b62\u4fe1\u53f7\u662f<span style=\"color: #993300;\">kill<\/span>\u547d\u4ee4\u9ed8\u8ba4\u53d1\u9001\u7684\u4fe1\u53f7\uff09\u4fe1\u53f7\u7684\u51fd\u6570\uff0c\u53bb\u6e05\u9664\u4e34\u65f6\u6587\u4ef6\u3002\u6ce8\u610f\uff1a<span style=\"color: #993300;\">SIGKILL<\/span>\u548c<span style=\"color: #993300;\">SIGSTOP<\/span>\u8fd9\u4e24\u4e2a\u4fe1\u53f7\u4e0d\u80fd\u88ab\u6355\u83b7\u3002<\/li>\n<li>\u4f7f\u7528\u9ed8\u8ba4\u52a8\u4f5c\u3002\u6bcf\u4e2a\u4fe1\u53f7\u90fd\u6709\u4e00\u4e2a\u9ed8\u8ba4\u52a8\u4f5c\u3002\u6ce8\u610f\uff1a\u5bf9\u4e8e\u591a\u6570\u4fe1\u53f7\u6765\u8bf4\u9ed8\u8ba4\u52a8\u4f5c\u662f\u7ed3\u675f\u8fdb\u7a0b\u3002<\/li>\n<\/ol>\n<p>\u4e0b\u9762\u8868\u683c\u663e\u793a\u4e86\u4fe1\u53f7\u7684\u9ed8\u8ba4\u52a8\u4f5c\uff1a<\/p>\n<table border=\"0\" width=\"100%\" cellspacing=\"0\" cellpadding=\"0\">\n<tbody>\n<tr>\n<td valign=\"top\">\n<table class=\"allBorders\" border=\"1\" rules=\"groups\" cellspacing=\"0\" cellpadding=\"5\">\n<caption>\n<h5 class=\"docTableTitle\">Figure 10.1. UNIX System signals<\/h5>\n<\/caption>\n<colgroup>\n<col width=\"75\" \/>\n<col width=\"225\" \/>\n<col width=\"40\" \/>\n<col width=\"25\" \/>\n<col width=\"25\" \/>\n<col width=\"25\" \/>\n<col width=\"25\" \/>\n<col width=\"25\" \/>\n<col width=\"50\" \/><\/colgroup>\n<thead>\n<tr>\n<th class=\"rightBorder bottomBorder thead\" scope=\"col\" align=\"center\" valign=\"middle\">\n<p class=\"docText\"><span class=\"docEmphRoman\">Name<\/span><\/p>\n<\/th>\n<th class=\"rightBorder bottomBorder thead\" scope=\"col\" align=\"center\" valign=\"middle\">\n<p class=\"docText\"><span class=\"docEmphRoman\">Description<\/span><\/p>\n<\/th>\n<th class=\"bottomBorder thead\" scope=\"col\" align=\"left\" valign=\"middle\">\n<p class=\"docText\"><span class=\"docEmphRoman\">ISO C<\/span><\/p>\n<\/th>\n<th class=\"rightBorder bottomBorder thead\" scope=\"col\" align=\"left\" valign=\"middle\">\n<p class=\"docText\"><span class=\"docEmphRoman\">SUS<\/span><\/p>\n<\/th>\n<th class=\"bottomBorder thead\" scope=\"col\" align=\"left\" valign=\"bottom\">\n<p class=\"docText\"><span class=\"docEmphRoman\">FreeBSD 5.2.1<\/span><\/p>\n<\/th>\n<th class=\"bottomBorder thead\" scope=\"col\" align=\"left\" valign=\"bottom\">\n<p class=\"docText\"><span class=\"docEmphRoman\">Linux 2.4.22<\/span><\/p>\n<\/th>\n<th class=\"bottomBorder thead\" scope=\"col\" align=\"left\" valign=\"bottom\">\n<p class=\"docText\"><span class=\"docEmphRoman\">Mac OS X 10.3<\/span><\/p>\n<\/th>\n<th class=\"rightBorder bottomBorder thead\" scope=\"col\" align=\"left\" valign=\"bottom\">\n<p class=\"docText\"><span class=\"docEmphRoman\">Solaris 9<\/span><\/p>\n<\/th>\n<th class=\"bottomBorder thead\" scope=\"col\" align=\"center\" valign=\"middle\">\n<p class=\"docText\"><span class=\"docEmphRoman\">Default action<\/span><\/p>\n<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGABRT<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">abnormal termination (<tt>abort<\/tt>)<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">terminate+core<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGALRM<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">timer expired (<tt>alarm<\/tt>)<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">terminate<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGBUS<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">hardware fault<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">terminate+core<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGCANCEL<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">threads library internal use<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">ignore<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGCHLD<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">change in status of child<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">ignore<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGCONT<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">continue stopped process<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">continue\/ignore<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGEMT<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">hardware fault<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">terminate+core<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGFPE<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">arithmetic exception<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">terminate+core<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGFREEZE<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">checkpoint freeze<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">ignore<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGHUP<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">hangup<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">terminate<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGILL<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">illegal instruction<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">terminate+core<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGINFO<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">status request from keyboard<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">ignore<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGINT<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">terminal interrupt character<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">terminate<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGIO<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">asynchronous I\/O<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">terminate\/ignore<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGIOT<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">hardware fault<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">terminate+core<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGKILL<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">termination<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">terminate<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGLWP<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">threads library internal use<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">ignore<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGPIPE<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">write to pipe with no readers<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">terminate<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGPOLL<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">pollable event (<tt>poll<\/tt>)<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">XSI<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">terminate<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGPROF<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">profiling time alarm (<tt>setitimer<\/tt>)<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">XSI<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">terminate<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGPWR<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">power fail\/restart<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">terminate\/ignore<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGQUIT<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">terminal quit character<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">terminate+core<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGSEGV<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">invalid memory reference<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">terminate+core<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGSTKFLT<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">coprocessor stack fault<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">terminate<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGSTOP<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">stop<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">stop process<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGSYS<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">invalid system call<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">XSI<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">terminate+core<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGTERM<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">termination<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">terminate<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGTHAW<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">checkpoint thaw<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">ignore<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGTRAP<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">hardware fault<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">XSI<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">terminate+core<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGTSTP<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">terminal stop character<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">stop process<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGTTIN<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">background read from control tty<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">stop process<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGTTOU<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">background write to control tty<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">stop process<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGURG<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">urgent condition (sockets)<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">ignore<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGUSR1<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">user-defined signal<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">terminate<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGUSR2<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">user-defined signal<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">terminate<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGVTALRM<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">virtual time alarm (<tt>setitimer<\/tt>)<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">XSI<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">terminate<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGWAITING<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">threads library internal use<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">ignore<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGWINCH<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">terminal window size change<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">ignore<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGXCPU<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">CPU limit exceeded (<tt>setrlimit<\/tt>)<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">XSI<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">terminate+core\/ignore<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGXFSZ<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">file size limit exceeded (<tt>setrlimit<\/tt>)<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">XSI<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">terminate+core\/ignore<\/p>\n<\/td>\n<\/tr>\n<tr>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\"><tt>SIGXRES<\/tt><\/p>\n<\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\">\n<p class=\"docText\">resource control exceeded<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\"><\/td>\n<td class=\"rightBorder\" align=\"center\" valign=\"top\">\n<p class=\"docText\">\u2022<\/p>\n<\/td>\n<td class=\"docTableCell\" align=\"left\" valign=\"top\">\n<p class=\"docText\">ignore<\/p>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<p>SUS\u5217\u4e0a\u7684<strong>\u2022<\/strong>\u4ee3\u8868\u5b83\u662f\u4f5c\u4e3aPOSIX.1\u7684\u4e00\u90e8\u5206\u5b9a\u4e49\u7684\u3002<strong>XSI<\/strong>\u4ee3\u8868\u5b83\u662f\u4ee5XSI\u6269\u5c55\u4e3a\u57fa\u7840\u7684\u3002<\/p>\n<p>\u9ed8\u8ba4\u52a8\u4f5c\u4e3a\u201cterminate+core\u201d\uff0c\u5b83\u610f\u5473\u7740\u8fdb\u7a0b\u7684\u5185\u5b58\u955c\u50cf\u5df2\u7ecf\u79bb\u5f00\u8be5\u8fdb\u7a0b\u5de5\u4f5c\u76ee\u5f55\u7684<span style=\"color: #993300;\">core<\/span>\u6587\u4ef6\u3002\uff08\u56e0\u4e3a\u6587\u4ef6\u88ab\u547d\u540d\u4e3acore\uff0c\u5b83\u663e\u793a\u4e86\u8fd9\u4e2a\u529f\u80fd\u5df2\u7ecf\u505a\u4e3aUNIX \u7cfb\u7edf\u7684\u4e00\u90e8\u5206\u591a\u957f\u65f6\u95f4\u4e86\u3002\uff09\u8fd9\u4e2a\u6587\u4ef6\u80fd\u7528\u4e8eUNIX\u7cfb\u7edf\u7684\u8c03\u5f0f\u5de5\u4f5c\uff0c\u53bb\u68c0\u67e5\u8fdb\u7a0b\u7ed3\u675f\u65f6\u7684\u72b6\u6001\u3002<\/p>\n<p>PS\uff1acore\u6587\u4ef6\u662f\u53d1\u884c\u7248\u672c\u7684\u529f\u80fd\u3002\u867d\u7136\u4e0d\u662fPOSIX.1\u7684\u529f\u80fd\uff0c\u4f46\u662f\u5b83\u5df2\u7ecf\u662fSingle UNIX Specification \u7684XSI\u6269\u5c55\u4e2d\u79fb\u690d\u5b9e\u73b0\u6307\u5b9a\u7684\u529f\u80fd\u3002<\/p>\n<p>\u4ee5\u4e0b\u51e0\u79cd\u60c5\u51b5core\u6587\u4ef6\u4e0d\u4f1a\u4ea7\u751f\uff1a<\/p>\n<ol>\n<li>\u8fdb\u7a0b\u4f7f\u7528\u4e86set-user-ID\u5e76\u4e14\u5f53\u524d\u7528\u6237\u4e0d\u662f\u7a0b\u5e8f\u6587\u4ef6\u7684\u6240\u6709\u8005\u3002<\/li>\n<li>\u8fdb\u7a0b\u4f7f\u7528\u4e86set-group-ID\u5e76\u4e14\u5f53\u524d\u7528\u6237\u4e0d\u662f\u7a0b\u5e8f\u6587\u4ef6\u7684\u7ec4\u6240\u6709\u8005\u3002<\/li>\n<li>\u7528\u6237\u6ca1\u6709\u5199\u5f53\u524d\u5de5\u4f5c\u76ee\u5f55\u7684\u6743\u9650\u3002<\/li>\n<li>core file\u5df2\u7ecf\u5b58\u5728\uff0c\u5e76\u4e14\u7528\u6237\u6ca1\u6709\u6743\u9650\u5199\u8fd9\u4e2a\u6587\u4ef6\u3002<\/li>\n<li>\u6587\u4ef6\u592a\u5927\uff08\u67e5\u770b<span style=\"color: #993300;\">RLIMIT_CORE<\/span>\u7684\u8bbe\u7f6e\uff09<\/li>\n<\/ol>\n<p>\u5047\u8bbecore\u6587\u4ef6\u4e0d\u5b58\u5728\uff0c\u5b83\u7684\u6743\u9650\u901a\u5e38\u662f\u7528\u6237\u8bfb\u3001\u5199\u3002<\/p>\n<p>\u5177\u4f53\u6bcf\u4e2a\u4fe1\u53f7\u7684\u63cf\u8ff0\u8be6\u89c1APUE\u7b2c10.2\u8282<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u9996\u5148\uff0c\u6bcf\u4e2a\u4fe1\u53f7\u90fd\u6709\u4e00\u4e2a\u540d\u5b57\u3002\u540d\u5b57\u90fd\u4ee5SIG\u5f00\u5934\u3002\u8fd9\u4e9b\u540d\u5b57\u90fd\u7531\u5e38\u91cf\u6b63\u6574\u6570\u5b9a\u4e49\u5728&lt;signal.h&gt;\u5934\u6587\u4ef6\u4e2d\u3002\uff08\u5b9e\u9645\u4e0a\u4e00\u4e9b\u5b9e\u73b0\u90fd\u6709\u81ea\u5df1\u72ec\u7acb\u7684\u5934\u6587\u4ef6\uff0c\u4f46\u662f&#8230;<\/p>\n<p class=\"read-more\"><a class=\"btn btn-default\" href=\"https:\/\/www.5x44.cn\/?p=571\"> Read More<span class=\"screen-reader-text\">  Read 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