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2012-11-18add port io functions to sys/io.hRich Felker-2/+4
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.
2012-11-04mips cache flush/ctl syscall support and headerRich Felker-0/+18
2012-09-29move accept4, dup3, and pipe2 to non-linux-specific locationsRich Felker-27/+0
these interfaces have been adopted by the Austin Group for inclusion in the next version of POSIX.
2012-09-29fix some indention-with-spaces that crept inRich Felker-4/+4
2012-09-21LFS64 alias for prlimitRich Felker-0/+3
issue reported/requested by Justin Cormack
2012-09-16add clock_adjtime, remap_file_pages, and syncfs syscall wrappersRich Felker-0/+25
patch by Justin Cormack, with slight modification
2012-09-10fix another ppoll issue (missing sigset_t size argument)Rich Felker-1/+1
2012-09-10fix ppoll with null timeout argumentRich Felker-2/+2
2012-09-09add linux ppoll syscall wrapperRich Felker-0/+9
2012-09-09reenable sync_file_range; should no longer break on mipsRich Felker-2/+2
2012-09-08disable sync_file_range for nowRich Felker-2/+3
something is wrong with the logic for the argument layout, resulting in compile errors on mips due to too many args to syscall... further information on how it's supposed to work will be needed before it can be reactivated.
2012-09-08add acct, accept4, setns, and dup3 syscalls (linux extensions)Rich Felker-0/+28
based on patch by Justin Cormack
2012-09-08add linux tee syscallRich Felker-0/+8
2012-09-08add linux sync_file_range syscallRich Felker-0/+16
2012-09-08move fallocate syscall wrapper to linux-specific syscalls dirRich Felker-0/+9
2012-09-08add linux readahead syscallRich Felker-0/+8
2012-09-08add timerfd interfaces (untested)Rich Felker-0/+17
2012-09-07cleanup src/linux and src/misc trees, etc.Rich Felker-404/+107
previously, it was pretty much random which one of these trees a given function appeared in. they have now been organized into: src/linux: non-POSIX linux syscalls (possibly shard with other nixen) src/legacy: various obsolete/legacy functions, mostly wrappers src/misc: still mostly uncategorized; some misc POSIX, some nonstd src/crypt: crypt hash functions further cleanup will be done later.
2012-09-06further use of _Noreturn, for non-plain-C functionsRich Felker-4/+4
note that POSIX does not specify these functions as _Noreturn, because POSIX is aligned with C99, not the new C11 standard. when POSIX is eventually updated to C11, it will almost surely give these functions the _Noreturn attribute. for now, the actual _Noreturn keyword is not used anyway when compiling with a c99 compiler, which is what POSIX requires; the GCC __attribute__ is used instead if it's available, however. in a few places, I've added infinite for loops at the end of _Noreturn functions to silence compiler warnings. presumably __buildin_unreachable could achieve the same thing, but it would only work on newer GCCs and would not be portable. the loops should have near-zero code size cost anyway. like the previous _Noreturn commit, this one is based on patches contributed by philomath.
2012-08-15handle null arguments to legacy bsd err.h functionsRich Felker-2/+2
2012-08-15add missing xattr functionsRich Felker-0/+15
not sure why these were originally omitted..
2012-08-09fix (hopefully) all hard-coded 8's for kernel sigset_t sizeRich Felker-2/+2
some minor changes to how hard-coded sets for thread-related purposes are handled were also needed, since the old object sizes were not necessarily sufficient. things have gotten a bit ugly in this area, and i think a cleanup is in order at some point, but for now the goal is just to get the code working on all supported archs including mips, which was badly broken by linux rejecting syscalls with the wrong sigset_t size.
2012-07-23add ioperm/iopl syscallsRich Felker-0/+18
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 splice and vmsplice syscallsRich Felker-0/+16
based on patches by orc and Isaac Dunham.
2012-07-23add extended attributes syscallsRich Felker-0/+47
based on patch by orc and Isaac Dunham, with some fixes.
2012-07-23add pipe2 syscallRich Felker-0/+8
based on patch by orc and Isaac Dunham, with some details fixed.
2012-06-23add process_vm_readv and process_vm_writev syscall wrappersRich Felker-0/+13
based on a patch submitted by Kristian L. <email@thexception.net>
2012-06-19add vhangup syscall wrapperRich Felker-0/+8
request/patch by william haddonthethird, slightly modifed to add _GNU_SOURCE feature test macro so that the compiler can verify the prototype matches.
2012-06-13add init_module/delete_module syscall wrappersRich Felker-0/+11
these are not exposed publicly in any header, but the few programs that use them (modutils/kmod, etc.) are declaring the functions themselves rather than making the syscalls directly, and it doesn't really hurt to have them (same as the capset junk).
2012-06-13add deprecated capabilities functionsRich Felker-0/+11
these were left in glibc for binary compatibility after the public part of the interface was removed, and libcap kept using them (with its own copy of the header files) rather than just making the syscalls directly. might as well add them since they're so small...
2012-05-21fix typo in utimes function that made it mess up file timesRich Felker-1/+1
2012-04-29add linux-specific unshare syscall wrapperRich Felker-0/+8
2012-04-18legacy junk compatibility grab-bagRich Felker-0/+1
- 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
2012-03-16remove junk sincos implementations in preparation to merge nsz's real onesRich Felker-24/+0
2012-03-15implement sincosf and sincosl functions; add prototypesRich Felker-0/+16
presumably broken gcc may generate calls to these, and it's said that ffmpeg makes use of sincosf.
2012-01-28add linux setfs[ug]id syscall wrappersRich Felker-0/+16
patch by Jeremy Huntwork
2011-12-23fix broken reboot wrapper (syscall needs extra silly magic arguments...)Rich Felker-1/+1
2011-09-28make getmntent_r discard long lines when it returns error, not seek backRich Felker-2/+1
seeking back can be performed by the caller, but if the caller doesn't expect it, it will result in an infinite loop of failures.
2011-09-27improve error handling in mntent stuff...Rich Felker-2/+9
not sure if this is correct/ideal. it needs further attention.
2011-09-27fix missing va_end in prctl syscall wrapperRich Felker-0/+1
2011-09-26cleanup various minor issues reported by nszRich Felker-2/+2
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.
2011-08-02fix stubbed-out reboot callRich Felker-3/+2
2011-05-22fix brk/sbrk behavior to match the real legacy functionsRich Felker-2/+4
2011-05-08eventfd syscall wrapper and read/write wrappersRich Felker-0/+21
2011-04-20fix initgroups (uninitialized count passed to getgrouplist)Rich Felker-1/+1
2011-04-13add syscall wrapper for flockRich Felker-0/+7
it should be noted that flock does not mix well with standard fcntl locking, but nonetheless some applications will attempt to use flock instead of fcntl if both exist. options to configure or small patches may be needed. debian maintainers have plenty of experience with this unfortunate situation...
2011-04-13fix bug whereby getopt_long allowed mismatch in last char of option nameRich Felker-1/+1
2011-04-13fix prototypes/signature for setgroups, etc.Rich Felker-1/+1
2011-04-06fix completely bogus loop condition in getmntent_rRich Felker-1/+1
somehow this worked on my simple fstab, but horribly broke in general, leading to use of uninitialized offset array and crashes.
2011-04-05implement the adjtime and adjtimex functions (nonstandard)Rich Felker-0/+34
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