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debugger messages from going to the wrong place. No longer fclose(stderr)
after grabbing log file, because stderr is likely still using fd 2.
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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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* (mhatle) Add guts/clone.c to cleanup the clone support
* (mhatle) guts/clone.c only run setupenv and reinit when NOT PSEUDO_RELOADED
* (mhatle) guts/execve.c whitespace fixe
* (mhatle) guts/fork.c similar to guts/clone.c change
* (mhatle) pseudo_client.c add reinit function
* (mhatle) pseudo_client.c revise client reset, include code from pseudo_wrappers.c
* (mhatle) pseudo_server.c move the pid writing to the parent
* (mhatle) pseudo_wrappers.c clone cleanup and populate cleanup
Signed-off-by: Mark Hatle <mark.hatle@windriver.com>
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Add PSEUDO_BINDIR, PSEUDO_LIBDIR, and PSEUDO_LOCALSTATEDIR to allow for more
easy customization of PSEUDO components at run-time. If these are not set
they will be automatically generated based on the existing PSEUDO_PREFIX path.
PSEUDO_BINDIR = PSEUDO_PREFIX /bin
PSEUDO_LIBDIR = PSEUDO_PREFIX /lib
PSEUDO_LOCALSTATEDIR = PSEUDO_PREFIX /var/pseudo
Signed-off-by: Mark Hatle <mark.hatle@windriver.com>
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The PSEUDO_DEBUG_FILE feature is enhanced, and is now also used by the
pseudo server.
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Send program name (program_invocation_name from glibc) along with the
tag.
Along the way, restructure the fds/pids/tags arrays to be an array
of client structures in pseudo_server, and add the message type
to the set of things logged -- logging that a message was a ping is
more useful than appending the text "ping" to it. Add support
for type and program to pseudolog.
Add deletion to pseudolog.
Handle usage message formatting when there's an odd number of known
specifiers for pseudolog.
Conflicts:
ChangeLog.txt
pseudo_server.c
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* Add lckpwdf/ulckpwdf to guts/README
* Remove arguments from function pointer arguments.
While in theory the compar function pointer has always taken
"const struct dirent **", some systems (many) have declared
it instead as taking "const void *". For now, just omit
the types; a pointer to function taking unknown arguments
is a compatible type, and we never call the functions, we
just pass them to something else.
* Handle readlinkat() on systems without *at functions
* Fix pseudo_etc_file (spotted by "fortify")
When O_CREAT can be a flag, 0600 mode is needed. While we're
at it, remove a bogus dummy open.
* Fix mkdtemp()
Was returning the address of the internal buffer rather than the
user-provided buffer. Also fixed a typo in an error message.
* Don't call fgetgrent_r() with a null FILE *.
* A couple of other typo-type fixes.
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None of them seem to have been genuine problems, but it's prettier now,
and some were questionable.
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spotting these.) Check for failed calls to pseudo_prefix_path in
a couple of places, handle failed open of pid file, and make
pseudo_prefix_path robust in the case of a zero-length PSEUDO_PREFIX.
Also, don't try to overwrite the contents of an environment
variable anymore. (The amazing part? None of these have ever
caused a failure.)
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Peter Seebach
Mark Hatle
Peter Seebach