From cc737843910575db3f7781e69dcc01385c5b3c6b Mon Sep 17 00:00:00 2001 From: Mike Silbersack Date: Fri, 21 Jan 2005 06:46:18 +0000 Subject: [PATCH] Add two more pipe regression tests. Not yet hooked into the test framework. --- tools/regression/pipe/pipe-overcommit1.c | 47 ++++++++++++++++ tools/regression/pipe/pipe-overcommit2.c | 69 ++++++++++++++++++++++++ 2 files changed, 116 insertions(+) create mode 100644 tools/regression/pipe/pipe-overcommit1.c create mode 100644 tools/regression/pipe/pipe-overcommit2.c diff --git a/tools/regression/pipe/pipe-overcommit1.c b/tools/regression/pipe/pipe-overcommit1.c new file mode 100644 index 000000000000..c4686588b6bb --- /dev/null +++ b/tools/regression/pipe/pipe-overcommit1.c @@ -0,0 +1,47 @@ +/*- + * Copyright (C) 2005 Michael J. Silbersack + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice(s), this list of conditions and the following disclaimer as + * the first lines of this file unmodified other than the possible + * addition of one or more copyright notices. + * 2. Redistributions in binary form must reproduce the above copyright + * notice(s), this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + */ + +#include +#include + +/* + * $FreeBSD$ + * This program just allocates as many pipes as it can to ensure + * that using up all pipe memory doesn't cause a panic. + */ + +int main (void) + +{ + int i, returnval; + int pipes[10000]; + for (i = 0; i < 10000; i++) { + returnval = pipe(&pipes[i]); + } + printf("PASS\n"); +} diff --git a/tools/regression/pipe/pipe-overcommit2.c b/tools/regression/pipe/pipe-overcommit2.c new file mode 100644 index 000000000000..5979585e6e6b --- /dev/null +++ b/tools/regression/pipe/pipe-overcommit2.c @@ -0,0 +1,69 @@ +/*- + * Copyright (C) 2005 Michael J. Silbersack + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice(s), this list of conditions and the following disclaimer as + * the first lines of this file unmodified other than the possible + * addition of one or more copyright notices. + * 2. Redistributions in binary form must reproduce the above copyright + * notice(s), this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER(S) ``AS IS'' AND ANY + * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER(S) BE LIABLE FOR ANY + * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER + * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH + * DAMAGE. + */ + +#include +#include +#include + +/* + * $FreeBSD$ + * This program tests how sys_pipe.c handles the case where there + * is ample memory to allocate a pipe, but the file descriptor + * limit for that user has been exceeded. + */ + +int main (int argc, void *argv[]) + +{ + int i, returnval, lastfd; + int pipes[10000]; + + for (i = 0; i < 100000; i++) { + returnval = open(argv[0], O_RDONLY); + if (returnval < 1) + break; /* All descriptors exhausted. */ + else + lastfd = returnval; + } + + /* First falloc failure case in sys_pipe.c:pipe() */ + for (i = 0; i < 1000; i++) { + returnval = pipe(&pipes[i]); + } + + /* + * Free just one FD so that the second falloc failure + * case will occur. + */ + close(lastfd); + + for (i = 0; i < 1000; i++) { + returnval = pipe(&pipes[i]); + } + printf("PASS\n"); +}