1 /*
2 * Copyright (c) 2006, 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef _JVM_DTRACE_H_
26 #define _JVM_DTRACE_H_
27
28 /*
29 * Interface to dynamically turn on probes in Hotspot JVM. Currently,
30 * this interface can be used to dynamically enable certain DTrace
31 * probe points that are costly to have "always on".
32 */
33
34 #ifdef __cplusplus
35 extern "C" {
36 #endif
37
38 #include <sys/types.h>
39
40
41 struct _jvm_t;
42 typedef struct _jvm_t jvm_t;
43
44
67 * the specified JVM. Returns >= 0 on success, -1 on failure.
68 * On success, this returns number of probe_types enabled.
69 * On failure, jvm_get_last_error() returns the last error message.
70 */
71 int jvm_enable_dtprobes(jvm_t* jvm, int num_probe_types, const char** probe_types);
72
73 /* Note: There is no jvm_disable_dtprobes function. Probes are automatically
74 * disabled when there are no more clients requiring those probes.
75 */
76
77 /* Detach the given JVM. Returns 0 on success, -1 on failure.
78 * jvm_get_last_error() returns the last error message.
79 */
80 int jvm_detach(jvm_t* jvm);
81
82 #ifdef __cplusplus
83 }
84 #endif
85
86 #endif /* _JVM_DTRACE_H_ */
|
1 /*
2 * Copyright (c) 2006, 2010, 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25 #ifndef OS_SOLARIS_DTRACE_JVM_DTRACE_H
26 #define OS_SOLARIS_DTRACE_JVM_DTRACE_H
27
28 #ifndef _JVM_DTRACE_H_
29 #define _JVM_DTRACE_H_
30
31 /*
32 * Interface to dynamically turn on probes in Hotspot JVM. Currently,
33 * this interface can be used to dynamically enable certain DTrace
34 * probe points that are costly to have "always on".
35 */
36
37 #ifdef __cplusplus
38 extern "C" {
39 #endif
40
41 #include <sys/types.h>
42
43
44 struct _jvm_t;
45 typedef struct _jvm_t jvm_t;
46
47
70 * the specified JVM. Returns >= 0 on success, -1 on failure.
71 * On success, this returns number of probe_types enabled.
72 * On failure, jvm_get_last_error() returns the last error message.
73 */
74 int jvm_enable_dtprobes(jvm_t* jvm, int num_probe_types, const char** probe_types);
75
76 /* Note: There is no jvm_disable_dtprobes function. Probes are automatically
77 * disabled when there are no more clients requiring those probes.
78 */
79
80 /* Detach the given JVM. Returns 0 on success, -1 on failure.
81 * jvm_get_last_error() returns the last error message.
82 */
83 int jvm_detach(jvm_t* jvm);
84
85 #ifdef __cplusplus
86 }
87 #endif
88
89 #endif /* _JVM_DTRACE_H_ */
90
91 #endif // OS_SOLARIS_DTRACE_JVM_DTRACE_H
|