util/u_process: add util_get_process_exec_path
Reviewed-by: Marek Olšák <marek.olsak@amd.com> Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/4181>
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f8f1413070
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@ -278,6 +278,28 @@ if with_tests
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suite : ['util'],
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)
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process_test_exe = executable(
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'process_test',
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files('process_test.c'),
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include_directories : inc_common,
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dependencies : idep_mesautil,
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c_args : [c_msvc_compat_args],
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)
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if not (host_machine.system() == 'windows')
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process_test_exe_full_path = process_test_exe.full_path()
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else
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process_test_exe_full_path = run_command(
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'winepath', '-w', process_test_exe.full_path()
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).stdout().strip()
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endif
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test(
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'process',
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process_test_exe,
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suite : ['util'],
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env: ['BUILD_FULL_PATH='+process_test_exe_full_path]
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)
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subdir('tests/fast_idiv_by_const')
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subdir('tests/fast_urem_by_const')
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subdir('tests/hash_table')
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@ -0,0 +1,83 @@
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/*
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* Copyright © 2020 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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/* A collection of unit tests for u_process.c */
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#include "util/detect_os.h"
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#include "util/u_process.h"
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#include <stdio.h>
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#include <stdbool.h>
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#include <string.h>
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#include <limits.h>
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#include <stdlib.h>
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bool error = false;
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static void
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expect_equal_str(const char *expected, const char *actual, const char *test)
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{
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if (strcmp(expected, actual)) {
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fprintf (stderr, "Error: Test '%s' failed:\n\t"
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"Expected=\"%s\", Actual=\"%s\"\n",
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test, expected, actual);
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error = true;
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}
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}
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static void
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test_util_get_process_name (void)
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{
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#if !DETECT_OS_WINDOWS
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const char* name = util_get_process_name();
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expect_equal_str("process_test", name, "util_get_process_name");
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#endif
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}
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/* This test gets the real path from Meson (BUILD_FULL_PATH env var),
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* and compares it to the output of util_get_process_exec_path.
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*/
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static void
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test_util_get_process_exec_path (void)
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{
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char path[PATH_MAX];
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if (util_get_process_exec_path(path, PATH_MAX) == 0) {
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error = true;
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return;
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}
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char* build_path = getenv("BUILD_FULL_PATH");
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if (!build_path) {
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fprintf(stderr, "BUILD_FULL_PATH environment variable should be set\n");
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error = true;
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return;
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}
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expect_equal_str(build_path, path, "util_get_process_name");
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}
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int
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main (void)
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{
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test_util_get_process_name();
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test_util_get_process_exec_path();
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return error ? 1 : 0;
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}
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@ -26,12 +26,19 @@
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*/
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#include "u_process.h"
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#include "detect_os.h"
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#include "macros.h"
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#include <string.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <unistd.h>
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#undef GET_PROGRAM_NAME
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#if DETECT_OS_WINDOWS
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#include <windows.h>
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#endif
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#if defined(__linux__) && defined(HAVE_PROGRAM_INVOCATION_NAME)
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static char *path = NULL;
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@ -152,3 +159,27 @@ util_get_process_name(void)
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{
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return GET_PROGRAM_NAME();
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}
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size_t
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util_get_process_exec_path(char* process_path, size_t len)
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{
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#if DETECT_OS_WINDOWS
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return GetModuleFileNameA(NULL, process_path, len);
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#elif DETECT_OS_UNIX
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ssize_t r;
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if ((r = readlink("/proc/self/exe", process_path, len)) > 0)
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goto success;
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if ((r = readlink("/proc/curproc/exe", process_path, len)) > 0)
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goto success;
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if ((r = readlink("/proc/curproc/file", process_path, len)) > 0)
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goto success;
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return 0;
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success:
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process_path[r] = '\0';
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return r;
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#endif
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return 0;
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}
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@ -28,7 +28,12 @@
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#ifndef PROCESS_H
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#define PROCESS_H
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#include <stddef.h>
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const char *
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util_get_process_name(void);
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size_t
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util_get_process_exec_path(char* process_path, size_t len);
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#endif
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