added max-nofile and max-nproc to httpd

qse/cmd/http/httpd.c

@@ -43,6 +43,10 @@
 #	include <sys/prctl.h>
 #endif
 
+#if defined(HAVE_SYS_RESOURCE_H)
+#	include <sys/resource.h>
+#endif
+
 /* --------------------------------------------------------------------- */
 
 static qse_httpd_t* g_httpd = QSE_NULL;
@@ -1294,6 +1298,39 @@ static int close_config_file (qse_httpd_t* httpd)
 
 	return 0;
 }
+static void set_limit (qse_httpd_t* httpd, const qse_char_t* name, int what)
+{
+	qse_xli_pair_t* pair;
+	httpd_xtn_t* httpd_xtn;
+
+	httpd_xtn = (httpd_xtn_t*)qse_httpd_getxtnstd (httpd);
+
+	pair = qse_xli_findpairbyname (httpd_xtn->xli, QSE_NULL, name);
+	if (pair && pair->val->type == QSE_XLI_STR)
+	{
+#if defined(HAVE_GETRLIMIT) && defined(HAVE_SETRLIMIT)
+		struct rlimit lim;
+
+		if (getrlimit (what, &lim) == 0)
+		{
+			const qse_char_t* str;
+
+			str = ((qse_xli_str_t*)pair->val)->ptr;
+			if (qse_strcasecmp (str, QSE_T("none")) != 0)
+			{
+				if (qse_strcasecmp (str, QSE_T("unlimited")) == 0)
+					lim.rlim_cur = RLIM_INFINITY;
+				else
+					lim.rlim_cur = qse_strtoui (((qse_xli_str_t*)pair->val)->ptr);
+				if (setrlimit (what, &lim) <= -1)
+				{
+					/* TODO: warning */
+				}
+			}
+		}
+#endif
+	}
+}
 
 static int load_config (qse_httpd_t* httpd)
 {
@@ -1314,6 +1351,13 @@ static int load_config (qse_httpd_t* httpd)
 		qse_httpd_freemem (httpd, tmp);
 	}
 
+#if defined(RLIMIT_NOFILE)
+	set_limit (httpd, QSE_T("max-nofile"), RLIMIT_NOFILE);
+#endif
+#if defined(RLIMIT_NPROC)
+	set_limit (httpd, QSE_T("max-nproc"), RLIMIT_NPROC);
+#endif
+
 	for (i = 0; ; i++)
 	{
 		qse_char_t buf[32];

qse/cmd/http/httpd.conf

@@ -5,6 +5,10 @@
 # string to be used as a httpd name 
 name = "QSEHTTPD v1";
 
+# none, unlimited, or positive number
+max-nofile = none;
+max-nproc = none;
+
 ################################################
 # default server configuration
 ################################################

qse/configure

@@ -17560,7 +17560,7 @@ _ACEOF
 fi
 done
 
-for ac_func in sysconf prctl fdopendir
+for ac_func in sysconf prctl fdopendir setrlimit getrlimit
 do :
   as_ac_var=`$as_echo "ac_cv_func_$ac_func" | $as_tr_sh`
 ac_fn_c_check_func "$LINENO" "$ac_func" "$as_ac_var"

qse/configure.ac

@@ -139,7 +139,7 @@ AC_CHECK_FUNCS([isblank iswblank])
 AC_CHECK_FUNCS([lseek64 stat64 fstat64 lstat64 ftruncate64 readdir64])
 AC_CHECK_FUNCS([timegm timelocal])
 AC_CHECK_FUNCS([utime utimes])
-AC_CHECK_FUNCS([sysconf prctl fdopendir])
+AC_CHECK_FUNCS([sysconf prctl fdopendir setrlimit getrlimit])
 AC_CHECK_FUNCS([backtrace backtrace_symbols])
 AC_CHECK_FUNCS([fork vfork posix_spawn gettid nanosleep select])
 AC_CHECK_FUNCS([makecontext swapcontext getcontext setcontext])

qse/include/qse/config.h.in

@@ -173,6 +173,9 @@
 /* Define to 1 if you have the `getifaddrs' function. */
 #undef HAVE_GETIFADDRS
 
+/* Define to 1 if you have the `getrlimit' function. */
+#undef HAVE_GETRLIMIT
+
 /* Define to 1 if you have the `gettid' function. */
 #undef HAVE_GETTID
 
@@ -344,6 +347,9 @@
 /* Define to 1 if you have the `setcontext' function. */
 #undef HAVE_SETCONTEXT
 
+/* Define to 1 if you have the `setrlimit' function. */
+#undef HAVE_SETRLIMIT
+
 /* Define if you have the shl_load function. */
 #undef HAVE_SHL_LOAD