author | dholmes |
Thu, 04 Oct 2012 19:52:09 -0400 | |
changeset 13956 | 1a25205d266e |
parent 12047 | 320a714614e9 |
child 14342 | 8435a30053c1 |
permissions | -rw-r--r-- |
2 | 1 |
/* |
5506 | 2 |
* Copyright (c) 1998, 2005, Oracle and/or its affiliates. All rights reserved. |
2 | 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 |
|
5506 | 7 |
* published by the Free Software Foundation. Oracle designates this |
2 | 8 |
* particular file as subject to the "Classpath" exception as provided |
5506 | 9 |
* by Oracle in the LICENSE file that accompanied this code. |
2 | 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 |
* |
|
5506 | 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 |
|
23 |
* questions. |
|
2 | 24 |
*/ |
25 |
||
26 |
#include <stdlib.h> |
|
27 |
#include <unistd.h> |
|
28 |
#include <string.h> |
|
29 |
#include <ctype.h> |
|
30 |
#include "sys.h" |
|
31 |
#include "util.h" |
|
32 |
||
12047
320a714614e9
7113349: Initial changeset for Macosx port to jdk
michaelm
parents:
5506
diff
changeset
|
33 |
#if defined(LINUX) || defined(_ALLBSD_SOURCE) |
2 | 34 |
/* Linux */ |
35 |
#define FORK() fork() |
|
36 |
#else |
|
37 |
/* Solaris (make sure we always get the POSIX-specified behavior) */ |
|
38 |
#define FORK() fork1() |
|
39 |
#endif |
|
40 |
||
41 |
static char *skipWhitespace(char *p) { |
|
42 |
while ((*p != '\0') && isspace(*p)) { |
|
43 |
p++; |
|
44 |
} |
|
45 |
return p; |
|
46 |
} |
|
47 |
||
48 |
static char *skipNonWhitespace(char *p) { |
|
49 |
while ((*p != '\0') && !isspace(*p)) { |
|
50 |
p++; |
|
51 |
} |
|
52 |
return p; |
|
53 |
} |
|
54 |
||
55 |
int |
|
56 |
dbgsysExec(char *cmdLine) |
|
57 |
{ |
|
58 |
int i; |
|
59 |
int argc; |
|
60 |
pid_t pid_err = (pid_t)(-1); /* this is the error return value */ |
|
61 |
pid_t pid; |
|
62 |
char **argv = NULL; |
|
63 |
char *p; |
|
64 |
char *args; |
|
65 |
||
66 |
/* Skip leading whitespace */ |
|
67 |
cmdLine = skipWhitespace(cmdLine); |
|
68 |
||
69 |
/*LINTED*/ |
|
70 |
args = jvmtiAllocate((jint)strlen(cmdLine)+1); |
|
71 |
if (args == NULL) { |
|
72 |
return SYS_NOMEM; |
|
73 |
} |
|
74 |
(void)strcpy(args, cmdLine); |
|
75 |
||
76 |
p = args; |
|
77 |
||
78 |
argc = 0; |
|
79 |
while (*p != '\0') { |
|
80 |
p = skipNonWhitespace(p); |
|
81 |
argc++; |
|
82 |
if (*p == '\0') { |
|
83 |
break; |
|
84 |
} |
|
85 |
p = skipWhitespace(p); |
|
86 |
} |
|
87 |
||
88 |
/*LINTED*/ |
|
89 |
argv = jvmtiAllocate((argc + 1) * (jint)sizeof(char *)); |
|
90 |
if (argv == 0) { |
|
91 |
jvmtiDeallocate(args); |
|
92 |
return SYS_NOMEM; |
|
93 |
} |
|
94 |
||
95 |
for (i = 0, p = args; i < argc; i++) { |
|
96 |
argv[i] = p; |
|
97 |
p = skipNonWhitespace(p); |
|
98 |
*p++ = '\0'; |
|
99 |
p = skipWhitespace(p); |
|
100 |
} |
|
101 |
argv[i] = NULL; /* NULL terminate */ |
|
102 |
||
103 |
if ((pid = FORK()) == 0) { |
|
104 |
/* Child process */ |
|
105 |
int i; |
|
106 |
long max_fd; |
|
107 |
||
108 |
/* close everything */ |
|
109 |
max_fd = sysconf(_SC_OPEN_MAX); |
|
110 |
/*LINTED*/ |
|
111 |
for (i = 3; i < (int)max_fd; i++) { |
|
112 |
(void)close(i); |
|
113 |
} |
|
114 |
||
115 |
(void)execvp(argv[0], argv); |
|
116 |
||
117 |
exit(-1); |
|
118 |
} |
|
119 |
jvmtiDeallocate(args); |
|
120 |
jvmtiDeallocate(argv); |
|
121 |
if (pid == pid_err) { |
|
122 |
return SYS_ERR; |
|
123 |
} else { |
|
124 |
return SYS_OK; |
|
125 |
} |
|
126 |
} |