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It works like: - kill(SIGSTOP) for unstopped tracee - ptrace(PT_CONTINUE,SIGSTOP) for stopped tracee The child will be stopped and always possible to be waited (with wait(2) like calls). For stopped traccee kill(SIGSTOP) has no effect. PT_CONTINUE+SIGSTOP cannot be used on an unstopped process (EBUSY). This operation is modeled after PT_KILL that is similar for the SIGKILL call. While there, allow PT_KILL on unstopped traced child. This operation is useful in an abnormal exit of a debugger from a signal handler, usually followed by waitpid(2) and ptrace(PT_DETACH).
NetBSD
NetBSD is a free, fast, secure, and highly portable Unix-like Open Source operating system. It is available for a wide range of platforms, from large-scale servers and powerful desktop systems to handheld and embedded devices.
Building
You can cross-build NetBSD from most UNIX-like operating systems. To build for amd64 (x86_64), in the src directory:
./build.sh -U -u -j4 -m amd64 -O ~/obj release
Additional build information available in the BUILDING file.
Binaries
Testing
On a running NetBSD system:
cd /usr/tests; atf-run | atf-report
Troubleshooting
- Send bugs and patches via web form.
- Subscribe to the mailing lists. The netbsd-users list is a good choice for many problems; watch current-users if you follow the bleeding edge of NetBSD-current.
- Join the community IRC channel #netbsd @ freenode.
Latest sources
To fetch the main CVS repository:
cvs -d anoncvs@anoncvs.NetBSD.org:/cvsroot checkout -P src
To work in the Git mirror, which is updated every few hours from CVS:
git clone https://github.com/NetBSD/src.git