| Commit message (Collapse) | Author | Age | Files | Lines |
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Meyering).
The gnulib <fcntl.h> replacement header will now define this symbol if
it's not defined already.
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Note that the code to do this was already in virt-ls, so this is
change is mostly just moving the code into the core library.
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This also reimplements the virt-ls -R option to use the replacement
guestfs_find API, which is simpler (though actually less efficient).
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The presumption is that all file descriptors should be created with
the close-on-exec flag set. The only exception are file descriptors
that we want passed through to exec'd subprocesses (mainly pipes and
stdin/stdout/stderr).
For open calls, we pass O_CLOEXEC as an extra flag, eg:
fd = open ("foo", O_RDONLY|O_CLOEXEC);
This is a Linux-ism, but using a macro we can easily make it portable.
For sockets, similarly:
sock = socket (..., SOCK_STREAM|SOCK_CLOEXEC, ...);
For accepted sockets, we use the Linux accept4 system call which
allows flags to be supplied, but we use the Gnulib 'accept4' module to
make this portable.
For dup, dup2, we use the Linux dup3 system call, and the Gnulib
modules 'dup3' and 'cloexec'.
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Update all copyright dates to 2012.
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Ensure that the drv structure is always zeroed on allocation.
Don't leak old drv->device when add_drives is called multiple times.
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This is just code motion.
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* cat/virt-cat.c: Include string.h and libintl.h.
* cat/virt-filesystems.c: Likewise.
* cat/virt-ls.c: Likewise.
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Fix required by gcc 4.6.0.
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The other programs have the variable, but the flag is not enabled
either because it doesn't make sense or because the implications are
not well understood.
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(Revealed by compiling under Debian where this is a warning).
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