1 /*
2 * Copyright (c) 2014, 2017, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
41 #include <dirent.h>
42 #include <ctype.h>
43 #include <limits.h>
44 #include <sys/types.h>
45 #include <sys/stat.h>
46 #include <sys/wait.h>
47
48 /* For POSIX-compliant getpwuid_r on Solaris */
49 #if defined(__solaris__)
50 #define _POSIX_PTHREAD_SEMANTICS
51 #endif
52 #include <pwd.h>
53
54 #ifdef _AIX
55 #include <sys/procfs.h>
56 #endif
57 #ifdef __solaris__
58 #include <procfs.h>
59 #endif
60
61 /**
62 * This file contains the implementation of the native ProcessHandleImpl
63 * functions which are common to all Unix variants.
64 *
65 * The currently supported Unix variants are Solaris, Linux, MaxOS X and AIX.
66 * The various similarities and differences between these systems make it hard
67 * to find a clear boundary between platform specific and shared code.
68 *
69 * In order to ease code sharing between the platforms while still keeping the
70 * code as clean as possible (i.e. free of preprocessor macros) we use the
71 * following source code layout (remember that ProcessHandleImpl_unix.c will
72 * be compiled on EVERY Unix platform while ProcessHandleImpl_<os>.c will be
73 * only compiled on the specific OS):
74 *
75 * - all the JNI wrappers for the ProcessHandleImpl functions go into this file
76 * - if their implementation is common on ALL the supported Unix platforms it
77 * goes right into the JNI wrappers
78 * - if the whole function or substantial parts of it are platform dependent,
79 * the implementation goes into os_<function_name> functions in
80 * ProcessHandleImpl_<os>.c
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1 /*
2 * Copyright (c) 2014, 2018, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
41 #include <dirent.h>
42 #include <ctype.h>
43 #include <limits.h>
44 #include <sys/types.h>
45 #include <sys/stat.h>
46 #include <sys/wait.h>
47
48 /* For POSIX-compliant getpwuid_r on Solaris */
49 #if defined(__solaris__)
50 #define _POSIX_PTHREAD_SEMANTICS
51 #endif
52 #include <pwd.h>
53
54 #ifdef _AIX
55 #include <sys/procfs.h>
56 #endif
57 #ifdef __solaris__
58 #include <procfs.h>
59 #endif
60
61 #if defined(_AIX)
62 #define DIR DIR64
63 #define opendir opendir64
64 #define closedir closedir64
65 #endif
66
67 /**
68 * This file contains the implementation of the native ProcessHandleImpl
69 * functions which are common to all Unix variants.
70 *
71 * The currently supported Unix variants are Solaris, Linux, MaxOS X and AIX.
72 * The various similarities and differences between these systems make it hard
73 * to find a clear boundary between platform specific and shared code.
74 *
75 * In order to ease code sharing between the platforms while still keeping the
76 * code as clean as possible (i.e. free of preprocessor macros) we use the
77 * following source code layout (remember that ProcessHandleImpl_unix.c will
78 * be compiled on EVERY Unix platform while ProcessHandleImpl_<os>.c will be
79 * only compiled on the specific OS):
80 *
81 * - all the JNI wrappers for the ProcessHandleImpl functions go into this file
82 * - if their implementation is common on ALL the supported Unix platforms it
83 * goes right into the JNI wrappers
84 * - if the whole function or substantial parts of it are platform dependent,
85 * the implementation goes into os_<function_name> functions in
86 * ProcessHandleImpl_<os>.c
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