From 447c70a5dc04e85f96c2ae477ce851fdfdd8c719 Mon Sep 17 00:00:00 2001 From: Salvatore Cro Date: Fri, 10 Sep 2010 10:55:43 +0200 Subject: tests: Added new nptl tests tests: Added several nptl tests from glibc 2.10.1 Signed-off-by: Salvatore Cro Signed-off-by: Carmelo Amoroso --- test/nptl/tst-vfork1x.c | 150 ++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 150 insertions(+) create mode 100644 test/nptl/tst-vfork1x.c (limited to 'test/nptl/tst-vfork1x.c') diff --git a/test/nptl/tst-vfork1x.c b/test/nptl/tst-vfork1x.c new file mode 100644 index 000000000..1f36f1ff2 --- /dev/null +++ b/test/nptl/tst-vfork1x.c @@ -0,0 +1,150 @@ +/* Test for vfork functions. + Copyright (C) 2004 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Ulrich Drepper , 2004. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +#include +#include +#include +#include +#include +#include + +/* This test relies on non-POSIX functionality since the child + processes call write and getpid. */ +static int +do_test (void) +{ + int result = 0; + int fd[2]; + + if (pipe (fd) == -1) + { + puts ("pipe failed"); + return 1; + } + + /* First vfork() without previous getpid(). */ + pid_t p1; + if ((p1 = vfork ()) == 0) + { + pid_t p = getpid (); + _exit (TEMP_FAILURE_RETRY (write (fd[1], &p, sizeof (p))) != sizeof (p)); + } + else if (p1 == -1) + { + puts ("1st vfork failed"); + result = 1; + } + + pid_t p2 = 0; + if (TEMP_FAILURE_RETRY (read (fd[0], &p2, sizeof (pid_t))) != sizeof (pid_t)) + { + puts ("1st read failed"); + result = 1; + } + int r; + if (TEMP_FAILURE_RETRY (waitpid (p1, &r, 0)) != p1) + { + puts ("1st waitpid failed"); + result = 1; + } + else if (r != 0) + { + puts ("write in 1st child failed"); + result = 1; + } + + /* Main process' ID. */ + pid_t p0 = getpid (); + + /* vfork() again, but after a getpid() in the main process. */ + pid_t p3; + if ((p3 = vfork ()) == 0) + { + pid_t p = getpid (); + _exit (TEMP_FAILURE_RETRY (write (fd[1], &p, sizeof (p))) != sizeof (p)); + } + else if (p1 == -1) + { + puts ("2nd vfork failed"); + result = 1; + } + + pid_t p4; + if (TEMP_FAILURE_RETRY (read (fd[0], &p4, sizeof (pid_t))) != sizeof (pid_t)) + { + puts ("2nd read failed"); + result = 1; + } + if (TEMP_FAILURE_RETRY (waitpid (p3, &r, 0)) != p3) + { + puts ("2nd waitpid failed"); + result = 1; + } + else if (r != 0) + { + puts ("write in 2nd child failed"); + result = 1; + } + + /* And getpid in the main process again. */ + pid_t p5 = getpid (); + + /* Analysis of the results. */ + if (p0 != p5) + { + printf ("p0(%ld) != p5(%ld)\n", (long int) p0, (long int) p5); + result = 1; + } + + if (p0 == p1) + { + printf ("p0(%ld) == p1(%ld)\n", (long int) p0, (long int) p1); + result = 1; + } + + if (p1 != p2) + { + printf ("p1(%ld) != p2(%ld)\n", (long int) p1, (long int) p2); + result = 1; + } + + if (p0 == p3) + { + printf ("p0(%ld) == p3(%ld)\n", (long int) p0, (long int) p3); + result = 1; + } + + if (p3 != p4) + { + printf ("p3(%ld) != p4(%ld)\n", (long int) p3, (long int) p4); + result = 1; + } + + close (fd[0]); + close (fd[1]); + + if (result == 0) + puts ("All OK"); + + return result; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" -- cgit v1.2.3