Age | Commit message (Collapse) | Author |
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Change from internal PSEUDO_RELOADED to external PSEUDO_UNLOAD environment
variable. Enable external programs to have a safe and reliable way to unload
pseudo on the next exec*. PSEUDO_UNLOAD also will disable pseudo if we're in a
fork/clone situation in the same way PSEUDO_DISABLED=1 would.
Rename the PSEUDO_DISABLED tests, and create a similar set for the new
PSEUDO_UNLOAD.
Signed-off-by: Mark Hatle <mark.hatle@windriver.com>
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This is a spiffied-up rebase of a bunch of intermediate changes, presented
as a whole because it is, surprisingly, less confusing that way. The basic
idea is to separate the guts code into categories ranging from generic
stuff that can be the same everywhere and specific variants. The big scary
one is the Darwin support, which actually seems to run okay on 64-bit OS X
10.6. (No other variants were tested.) The other example given is support
for the old clone() syscall on RHEL 4, which affects some wrlinux use cases.
There's a few minor cleanup bits here, such as a function with inconsistent
calling conventions, but nothing really exciting.
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Restructure wrapfuncs.c in an attempt to improve PSEUDO_DISABLED=1
performance.
Signed-off-by: Mark Hatle <mark.hatle@windriver.com>
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2010-12-09:
* (mhatle) Add doc/program_flow to attempt to explain startup/running
* (mhatle) guts/* minor cleanup
* (mhatle) Reorganize into a new constructor for libpseudo ONLY
pseudo main() now manually calls the util init
new / revised init for client, wrappers and utils
* (mhatle) Add central "reinit" function
* (mhatle) Add manul execv* functions
* (mhatle) rename pseudo_populate_wrappers to pseudo_check_wrappers
Signed-off-by: Mark Hatle <mark.hatle@windriver.com>
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bug in the speculative-unlink operation.
The intent is to mark and then confirm or cancel the delete. This
removes the quirk where we tried to stash old database entries,
which didn't handle directories anyway; "rmdir non-empty-directory"
is a bit too common a case to dismiss as unthinkable.
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This patch adds support for checking whether a file was opened for
reading, writing, or both, as well as tracking append flags. It is
not very well tested. This is preparation for improved host
contamination checking.
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Add chroot() and a large number of things needed to make it work.
The list of intercepted calls is large but not exhaustive.
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