From 3590c846d4c2febbc05b4ad6b14a06edc549e453 Mon Sep 17 00:00:00 2001 From: "Manuel A. Fernandez Montecelo" Date: Fri, 27 May 2016 14:35:16 +0100 Subject: Imported Upstream version 0.9.6+really0.9.6 --- tests/test-sys_wait.h | 53 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 53 insertions(+) create mode 100644 tests/test-sys_wait.h (limited to 'tests/test-sys_wait.h') diff --git a/tests/test-sys_wait.h b/tests/test-sys_wait.h new file mode 100644 index 00000000..e4a79b54 --- /dev/null +++ b/tests/test-sys_wait.h @@ -0,0 +1,53 @@ +/* Test of macros shared between and . + Copyright (C) 2010-2015 Free Software Foundation, Inc. + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + This program 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 General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . */ + +/* Written by Eric Blake , 2010. */ + +static int +test_sys_wait_macros (void) +{ + /* Check subset of macros that must be visible here. + Note that some of these macros are only portable when operating + on an lvalue. */ + int i; + for (i = 0; i < 0x8000; i = (i ? i << 1 : 1)) + { + /* POSIX requires that for all valid process statuses, that + exactly one of these three macros is true. But not all + possible 16-bit values map to valid process status. + Traditionally, 8 of the bits are for WIFEXITED, 7 of the bits + to tell between WIFSIGNALED and WIFSTOPPED, and either 0x80 + or 0x8000 to flag that core was also dumped. Since we don't + know which byte is WIFEXITED, we skip the both possible bits + that can signal core dump. */ + if (i == 0x80) + continue; + if (!!WIFSIGNALED (i) + !!WIFEXITED (i) + !!WIFSTOPPED (i) != 1) + return 1; + } + i = WEXITSTATUS (i) + WSTOPSIG (i) + WTERMSIG (i); + + switch (i) + { +#if 0 + /* Gnulib doesn't guarantee these, yet. */ + case WNOHANG: + case WUNTRACED: +#endif + break; + } + return 0; +} -- cgit v1.2.3