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2012-11-18fix breakage from introducing bits header for sys/io.hRich Felker-0/+3
apparently some other archs have sys/io.h and should not break just because they don't have the x86 port io functions. provide a blank bits/io.h everywhere for now.
2012-11-18add port io functions to sys/io.hRich Felker-2/+3
based on proposal by Isaac Dunham. nonexistance of bits/io.h will cause inclusion of sys/io.h to produce an error on archs that are not supposed to have it. this is probably the desired behavior, but the error message may be a bit unusual.
2012-11-17add cleaned-up sys/mtio.hRich Felker-0/+188
this is mostly junk, but a few programs with tape-drive support unconditionally include it, and it might be useful.
2012-11-15disable SO_REUSEPORT in sys/socket.hRich Felker-1/+1
although a number is reserved for it, this option is not implemented on Linux and does not work. defining it causes some applications to use it, and subsequently break due to its failure.
2012-11-05fix numerous mips abi constant definition mismatchesRich Felker-0/+7
2012-11-04mips cache flush/ctl syscall support and headerRich Felker-0/+22
2012-10-21fix issues with wait constants in stdlib.hRich Felker-2/+0
the W* namespace is not reserved, so the nonstandard ones must be moved under extension features. also WNOHANG and WUNTRACED were missing.
2012-09-29always expose accept4Rich Felker-4/+1
it will be in the next version of POSIX
2012-09-21LFS64 alias for prlimitRich Felker-0/+1
issue reported/requested by Justin Cormack
2012-09-16add clock_adjtime, remap_file_pages, and syncfs syscall wrappersRich Felker-0/+10
patch by Justin Cormack, with slight modification
2012-09-09mincore syscall wrapperRich Felker-0/+1
2012-09-09fix up lfs64 junk for preadv/pwritevRich Felker-0/+5
2012-09-09add preadv/pwritev syscall wrappersRich Felker-0/+9
2012-09-08syscall organization overhaulRich Felker-18/+0
now public syscall.h only exposes __NR_* and SYS_* constants and the variadic syscall function. no macros or inline functions, no __syscall_ret or other internal details, no 16-/32-bit legacy syscall renaming, etc. this logic has all been moved to src/internal/syscall.h with the arch-specific parts in arch/$(ARCH)/syscall_arch.h, and the amount of arch-specific stuff has been reduced to a minimum. changes still need to be reviewed/double-checked. minimal testing on i386 and mips has already been performed.
2012-09-08add acct, accept4, setns, and dup3 syscalls (linux extensions)Rich Felker-0/+79
based on patch by Justin Cormack
2012-09-08remove all remaining redundant __restrict/__inline/_Noreturn defsRich Felker-13/+3
2012-09-08sysmacros major/minor: result should have type unsigned int, not dev_tRich Felker-2/+2
2012-09-08add timerfd interfaces (untested)Rich Felker-0/+18
2012-09-07default features: make musl usable without feature test macrosRich Felker-15/+24
the old behavior of exposing nothing except plain ISO C can be obtained by defining __STRICT_ANSI__ or using a compiler option (such as -std=c99) that predefines it. the new default featureset is POSIX with XSI plus _BSD_SOURCE. any explicit feature test macros will inhibit the default. installation docs have also been updated to reflect this change.
2012-09-06use restrict everywhere it's required by c99 and/or posix 2008Rich Felker-13/+43
to deal with the fact that the public headers may be used with pre-c99 compilers, __restrict is used in place of restrict, and defined appropriately for any supported compiler. we also avoid the form [restrict] since older versions of gcc rejected it due to a bug in the original c99 standard, and instead use the form *restrict.
2012-09-02avoid "inline" in public headers for strict c89 compatibilityRich Felker-0/+4
while musl itself requires a c99 compiler, some applications insist on being compiled with c89 compilers, and use of "inline" in the headers was breaking them. much of this had been avoided already by just skipping the inline keyword in pre-c99 compilers or modes, but this new unified solution is cleaner and may/should result in better code generation in the default gcc configuration.
2012-08-24type exposure fixes in sys/sem.hRich Felker-2/+5
2012-08-15add missing xattr functionsRich Felker-0/+3
not sure why these were originally omitted..
2012-08-05fix socket.h on mipsRich Felker-0/+3
why does mips have to be gratuitously incompatible in every possible imaginable way?
2012-07-23add ioperm/iopl syscallsRich Felker-0/+13
based on patches by orc and Isaac Dunham, with some fixes. sys/io.h exists and contains prototypes for these functions regardless of whether the target arch has them; this is a bit unorthodox but I don't think it will break anything. the function definitions do not exist unless the appropriate SYS_* syscall number macro is defined, which should make sure configure scripts looking for these functions don't find them on other systems. presently, sys/io.h does not have the inb/outb/etc. port io macros/functions. I'd be surprised if ioperm/iopl are useful without them, so they probably need to be added at some point in appropriate bits/io.h files...
2012-07-23add extended attributes syscallsRich Felker-0/+27
based on patch by orc and Isaac Dunham, with some fixes.
2012-07-12workaround another sendmsg kernel bug on 64-bit machinesRich Felker-7/+0
the kernel wrongly expects the cmsg length field to be size_t instead of socklen_t. in order to work around the issue, we have to impose a length limit and copy to a local buffer. the length limit should be more than sufficient for any real-world use; these headers are only used for passing file descriptors and permissions between processes over unix sockets.
2012-06-23add process_vm_readv and process_vm_writev syscall wrappersRich Felker-0/+9
based on a patch submitted by Kristian L. <email@thexception.net>
2012-06-15header file fixes: multiple include guard consistency and correctnessRich Felker-6/+6
one file was reusing another file's macro name, and many had inconsistent underscores and application of SYS prefix, etc. patch by Szabolcs Nagy (nsz)
2012-06-07fix sysinfo, try 2. it seems to work this time.Rich Felker-10/+10
2012-06-07sysinfo struct was utter nonsense; no idea where it came from.Rich Felker-4/+3
this broke the busybox "free" utility (memory reporting) and possibly other things like uptime.
2012-06-04_GNU_SOURCE is supposed to imply _LARGEFILE64_SOURCERich Felker-7/+7
this is ugly and stupid, but now that the *64 symbol names exist, a lot of broken GNU software detects them in configure, then either breaks during build due to missing off64_t definition, or attempts to compile without function declarations/prototypes. "fixing" it here is easier than telling everyone to add yet another feature test macro to their builds.
2012-05-22various header cleanups, some related to _BSD_SOURCE additionRich Felker-4/+4
there is no reason to avoid multiple identical macro definitions; this is perfectly legal C, and even with the maximal warning options enabled, gcc does not issue any warning for it.
2012-05-22support _BSD_SOURCE feature test macroRich Felker-5/+9
patch by Isaac Dunham. matched closely (maybe not exact) to glibc's idea of what _BSD_SOURCE should make visible.
2012-05-10fix missing parens in bit op macros (param.h)Rich Felker-1/+1
2012-05-10and another bug in setbit, etc. macros..Rich Felker-1/+1
2012-05-10fix typo in sys/param.h that broke setbit, etc. macrosRich Felker-1/+1
this is all junk, but some programs use it.
2012-05-04add *64 junk for sys/*.h headersRich Felker-0/+50
2012-04-18legacy junk compatibility grab-bagRich Felker-7/+22
- add the rest of the junk traditionally in sys/param.h - add prototypes for some nonstandard functions - add _GNU_SOURCE to their source files so the compiler can check proto
2012-02-07fix typo in inotify.hRich Felker-1/+1
2012-02-01apparently gnu caddr_t is supposed to be char *, not unsigned longRich Felker-1/+1
this type should never be used anyway, but some old junk uses it..
2012-01-28add linux setfs[ug]id syscall wrappersRich Felker-0/+20
patch by Jeremy Huntwork
2012-01-26remove useless "extern" keywords in headersRich Felker-1/+1
2012-01-24add MIN/MAX macros to sys/param.hRich Felker-0/+5
this is a nonstandard junk header anyway, so just do what apps expect..
2012-01-24add legacy futimes and lutimes functionsRich Felker-0/+2
based on patch by sh4rm4. these functions are deprecated; futimens and utimensat should be used instead in new programs.
2012-01-20add prlimit syscall wrapperRich Felker-0/+8
2011-11-10fix all missing instances of __cplusplus checks/extern "C" in headersRich Felker-0/+95
patch by Arvid Picciani (aep)
2011-10-17fix some details in ugly stuff that doesn't belong in libcRich Felker-0/+2
patches by sh4rm4, presumably needed to make gdb or some similar junk happy...
2011-09-26cleanup various minor issues reported by nszRich Felker-1/+1
the changes to syscall_ret are mostly no-ops in the generated code, just cleanup of type issues and removal of some implementation-defined behavior. the one exception is the change in the comparison value, which is fixed so that 0xf...f000 (which in principle could be a valid return value for mmap, although probably never in reality) is not treated as an error return.
2011-09-23FD_ISSET must return an int. this is the easiest way.Rich Felker-1/+1
casting to int would not be correct because high bits could be lost. mapping the high bits down onto low bits would be costlier in the common case where the result is just used in a conditional. changing the type of the bit array elements to int would permute the order of the bit array on 64-bit big endian systems, so that's not an option either.
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