a separate file.
- Simplified the library/open close code in "stdlib_main.c".
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currently configured. It merely blocks the delivery of the respective
signal to prevent recursion.
- raise() now drops into abort() if a signal handler is set to
SIG_DFL. The exception is in SIGINT delivery, which has the
effect of printing a different termination message but otherwise
program flow takes the same path as abort().
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signal_data.c and into signal_raise.c where they are actually used.
This makes it possible to override the default definition of the
__check_abort_enabled variable in your own programs.
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for OS4 if the AllocSysObject() function is used to create it.
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- Clarified the caveats of the libm.a use.
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until the function has returned. Which is harsh, but there is no
elegant solution to the issue of keeping the same dos.library
file handles from concurrent use which SystemTagList() might just
end up using.
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the 68k build. The PowerPC build may follow later, provided
I manage to get the specs file fixed.
- Moved the check for the presence of an FPU into the
math_init.c code.
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the names of the functions assigned through the new macros are different.
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was still wrongish for the OS4 library. So I had to change
it *again*. Which probably means that the 68k library will
need further changes...
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should no longer spell big trouble on account of the stdio
data structures possibly not being in a well-defined and
initialized state.
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separate files.
- Removed some more redundant data from stdlib_main.c.
- Added the first real C99 function: _Exit().
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- Dropped unused stub code which is now redundant because of
the constructor/destructor mechanism.
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to what it is supposed to do. Fixed.
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destructor functions in any way at all. I reimplemented the
entire library constructor/destructor functionality to use the
same approach as libnix.
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of the original file descriptor.
- close() did not return 0 if the file descriptor in question
was really just an alias. Fixed.
- Added a feature which makes it possible to have several clients
use the standard I/O streams (stdin/stdout/stderr) and have these
referring to their process' Input()/Output()/ErrorOutput()
streams. This is intended to support the upcoming shared
library feature.
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that the constructors/destructors are called in the proper
order, too.
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setjmp(). This is now done within stdlib_main.c prior to
calling the destructor function invocation code.
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constructor/destructor functions for initialization and cleanup
purposes.
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or initializes it.
- The stdlib constructor now performs the CPU/FPU compatibility test.
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Both the 68k and PowerPC platform now invoke them in the same order
and the 68k code uses the designated invocation priorities. The
PowerPC destructor function now sets up the exit() jmp_buf before
the destructor functions are called.
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invoke the library's constructor/destructor functions in a
very particular order. That way, you can use constructor/destructor
functions in your own code and not have them clash with the library's
own functions.
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avoids trouble with destructor functions which use stdio code. Unsolved
problem: the order in which destructors and constructors are called.
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sections where they should have been in the first place.
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socket_data.c, dirent_data.c and stdio_data.c and into the
code that initializes them.
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tests and the error message display can run safely even
on plain 68000 machines. This won't work for the 32 bit small
data model, which implies 68020 code, but so there...
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initialization code for the stdin/stdout/stderr streams and
out of the program parameter setup.
- The current program name is now set up in the stdlib
initialization function.
- Simplified the machine test code; moved the FPU check into
the math initialization code.
- Added more safety checks to verify that file descriptor
file handles are valid.
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a MsgPort locally.
- The record locking semaphore code now builds a semaphore to add
before it tries to find the public one in memory. That way, the
code can spend less time in Forbid() state and, heaven forbid,
refrain from allocating memory while in that state.
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multiple concurrent callers to use the socket functions. Note
that this works only with the Roadshow TCP/IP stack, and the
results with other TCP/IP stacks are rather unpredictable.
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