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* mincore syscall wrapperRich Felker2012-09-091-0/+1
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* fix up lfs64 junk for preadv/pwritevRich Felker2012-09-091-0/+5
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* add preadv/pwritev syscall wrappersRich Felker2012-09-091-0/+9
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* syscall organization overhaulRich Felker2012-09-081-18/+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.
* add acct, accept4, setns, and dup3 syscalls (linux extensions)Rich Felker2012-09-082-0/+79
| | | | based on patch by Justin Cormack
* remove all remaining redundant __restrict/__inline/_Noreturn defsRich Felker2012-09-083-13/+3
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* sysmacros major/minor: result should have type unsigned int, not dev_tRich Felker2012-09-081-2/+2
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* add timerfd interfaces (untested)Rich Felker2012-09-081-0/+18
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* default features: make musl usable without feature test macrosRich Felker2012-09-0714-15/+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.
* use restrict everywhere it's required by c99 and/or posix 2008Rich Felker2012-09-065-13/+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.
* avoid "inline" in public headers for strict c89 compatibilityRich Felker2012-09-021-0/+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.
* type exposure fixes in sys/sem.hRich Felker2012-08-241-2/+5
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* add missing xattr functionsRich Felker2012-08-151-0/+3
| | | | not sure why these were originally omitted..
* fix socket.h on mipsRich Felker2012-08-051-0/+3
| | | | | why does mips have to be gratuitously incompatible in every possible imaginable way?
* add ioperm/iopl syscallsRich Felker2012-07-231-0/+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...
* add extended attributes syscallsRich Felker2012-07-231-0/+27
| | | | based on patch by orc and Isaac Dunham, with some fixes.
* workaround another sendmsg kernel bug on 64-bit machinesRich Felker2012-07-121-7/+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.
* add process_vm_readv and process_vm_writev syscall wrappersRich Felker2012-06-231-0/+9
| | | | based on a patch submitted by Kristian L. <email@thexception.net>
* header file fixes: multiple include guard consistency and correctnessRich Felker2012-06-153-6/+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)
* fix sysinfo, try 2. it seems to work this time.Rich Felker2012-06-071-10/+10
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* sysinfo struct was utter nonsense; no idea where it came from.Rich Felker2012-06-071-4/+3
| | | | | this broke the busybox "free" utility (memory reporting) and possibly other things like uptime.
* _GNU_SOURCE is supposed to imply _LARGEFILE64_SOURCERich Felker2012-06-047-7/+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.
* various header cleanups, some related to _BSD_SOURCE additionRich Felker2012-05-221-4/+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.
* support _BSD_SOURCE feature test macroRich Felker2012-05-225-5/+9
| | | | | patch by Isaac Dunham. matched closely (maybe not exact) to glibc's idea of what _BSD_SOURCE should make visible.
* fix missing parens in bit op macros (param.h)Rich Felker2012-05-101-1/+1
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* and another bug in setbit, etc. macros..Rich Felker2012-05-101-1/+1
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* fix typo in sys/param.h that broke setbit, etc. macrosRich Felker2012-05-101-1/+1
| | | | this is all junk, but some programs use it.
* add *64 junk for sys/*.h headersRich Felker2012-05-047-0/+50
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* legacy junk compatibility grab-bagRich Felker2012-04-181-7/+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
* fix typo in inotify.hRich Felker2012-02-071-1/+1
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* apparently gnu caddr_t is supposed to be char *, not unsigned longRich Felker2012-02-011-1/+1
| | | | this type should never be used anyway, but some old junk uses it..
* add linux setfs[ug]id syscall wrappersRich Felker2012-01-281-0/+20
| | | | patch by Jeremy Huntwork
* remove useless "extern" keywords in headersRich Felker2012-01-261-1/+1
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* add MIN/MAX macros to sys/param.hRich Felker2012-01-241-0/+5
| | | | this is a nonstandard junk header anyway, so just do what apps expect..
* add legacy futimes and lutimes functionsRich Felker2012-01-241-0/+2
| | | | | based on patch by sh4rm4. these functions are deprecated; futimens and utimensat should be used instead in new programs.
* add prlimit syscall wrapperRich Felker2012-01-201-0/+8
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* fix all missing instances of __cplusplus checks/extern "C" in headersRich Felker2011-11-1012-0/+95
| | | | patch by Arvid Picciani (aep)
* fix some details in ugly stuff that doesn't belong in libcRich Felker2011-10-171-0/+2
| | | | | patches by sh4rm4, presumably needed to make gdb or some similar junk happy...
* cleanup various minor issues reported by nszRich Felker2011-09-261-1/+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.
* FD_ISSET must return an int. this is the easiest way.Rich Felker2011-09-231-1/+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.
* sys/user.h may need stdint.hRich Felker2011-09-231-0/+1
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* fix some header typosRich Felker2011-09-201-1/+1
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* fix the fsid_t structure to match name of __valRich Felker2011-09-201-1/+1
| | | | | | this is a case of poorly written man pages not matching the actual implementation, and why i hate implementing nonstandard interfaces with no actual documentation of how they're intended to work.
* fix the definition of struct statvfs to match lsb abiRich Felker2011-09-192-7/+24
| | | | | at the same time, make struct statfs match the traditional definition and make it more useful, especially the fsid_t stuff.
* fix broken multi-inclusion guard in sys/reg.hRich Felker2011-09-191-2/+2
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* cleanup more bits cruft (sysmacros and socket)Rich Felker2011-09-182-1/+199
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* implement ptrace syscall wrapper (untested)Rich Felker2011-09-151-1/+1
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* fix broken FD_* macros on 64-bit targetsRich Felker2011-08-271-3/+3
| | | | | 1 is too small if int is 32-bit but unsigned long is 64-bit. be explicit and use 1UL.
* add missing signalfd flagsRich Felker2011-07-091-0/+3
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* copy-paste error in prctl.hRich Felker2011-06-181-1/+1
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