Mercurial > jdk8-mips64-public > hotspot / file comparison
comparison: src/os/bsd/vm/os_bsd.cpp
src/os/bsd/vm/os_bsd.cpp
- changeset 9637
- eef07cd490d4
- parent 9448
- 73d689add964
- parent 9620
- 97d605522fcb
- child 9756
- 2be326848943
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| 9581:95fce20624fc | 9637:eef07cd490d4 |
|---|---|
| 1 /* | 1 /* |
| 2 * Copyright (c) 1999, 2018, Oracle and/or its affiliates. All rights reserved. | 2 * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved. |
| 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| 4 * | 4 * |
| 5 * This code is free software; you can redistribute it and/or modify it | 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 | 6 * under the terms of the GNU General Public License version 2 only, as |
| 7 * published by the Free Software Foundation. | 7 * published by the Free Software Foundation. |
| 4714 | 4714 |
| 4715 // Run the specified command in a separate process. Return its exit value, | 4715 // Run the specified command in a separate process. Return its exit value, |
| 4716 // or -1 on failure (e.g. can't fork a new process). | 4716 // or -1 on failure (e.g. can't fork a new process). |
| 4717 // Unlike system(), this function can be called from signal handler. It | 4717 // Unlike system(), this function can be called from signal handler. It |
| 4718 // doesn't block SIGINT et al. | 4718 // doesn't block SIGINT et al. |
| 4719 int os::fork_and_exec(char* cmd) { | 4719 int os::fork_and_exec(char* cmd, bool use_vfork_if_available) { |
| 4720 const char * argv[4] = {"sh", "-c", cmd, NULL}; | 4720 const char * argv[4] = {"sh", "-c", cmd, NULL}; |
| 4721 | 4721 |
| 4722 // fork() in BsdThreads/NPTL is not async-safe. It needs to run | 4722 // fork() in BsdThreads/NPTL is not async-safe. It needs to run |
| 4723 // pthread_atfork handlers and reset pthread library. All we need is a | 4723 // pthread_atfork handlers and reset pthread library. All we need is a |
| 4724 // separate process to execve. Make a direct syscall to fork process. | 4724 // separate process to execve. Make a direct syscall to fork process. |
