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* add new socket options to sys/socket.h following linuxSzabolcs Nagy2013-04-011-2/+17
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* add ADJ_SETOFFSET timex mode bit (new in linux v2.6.39)Szabolcs Nagy2013-04-011-0/+1
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* fix epoll structure alignment on non-x86_64 archsRich Felker2013-03-061-1/+5
| | | | | | | | | | | | | | this fix is far from ideal and breaks the rule of not using arch-specific #ifdefs, but for now we just need a solution to the existing breakage. the underlying problem is that the kernel folks made a very stupid decision to make misalignment of this struct part of the kernel API/ABI for x86_64, in order to avoid writing a few extra lines of code to handle both 32- and 64-bit userspace on 64-bit kernels. I had just added the packed attribute unconditionally thinking it was harmless on 32-bit archs, but non-x86 32-bit archs have 8-byte alignment on 64-bit types.
* fix some obscure header type size/alignment issuesRich Felker2013-03-041-4/+2
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* add MOD_TAI to sys/timex.h and update STA_RONLYSzabolcs Nagy2013-01-121-1/+2
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* add SWAP_FLAG_DISCARD to sys/swap.hSzabolcs Nagy2013-01-121-0/+1
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* add mount flags to sys/mount.hSzabolcs Nagy2013-01-121-4/+22
| | | | | | | | added various MS_*, MNT_*, UMOUNT_* flags following the linux headers, with one exception: MS_NOUSER is defined as (1U<<31) instead of (1<<31) which invokes undefined behaviour the S_* flags were removed following glibc
* add IN_EXCL_UNLINK to sys/inotify.hSzabolcs Nagy2013-01-121-0/+1
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* add EPOLLWAKEUP flag to sys/epoll.hSzabolcs Nagy2013-01-121-0/+1
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* add RB_SW_SUSPEND and RB_KEXEC to sys/reboot.hSzabolcs Nagy2013-01-121-0/+2
| | | | using the glibc names for the magic constants of the linux reboot syscall
* add missing ptrace requests and options to sys/ptrace.hSzabolcs Nagy2013-01-121-1/+9
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* add missing protocol families to sys/socket.hSzabolcs Nagy2013-01-121-1/+11
| | | | | missing protocol families based on current linux headers: PF_RDS, PF_LLC, PF_CAN, PF_TIPC, PF_NFC
* fix another case of cloexec/nonblock flags not matching arch valuesRich Felker2013-01-101-2/+3
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* wait.h: add linux specific, thread-related waitpid() flagsrofl0r2013-01-041-0/+4
| | | | | | | | | these flags are needed in order to be able to handle lwp id's which the kernel returns after clone() calls for new threads via ptrace(PTRACE_GETEVENTMSG). fortunately, they're the same for all archs and in the reserved namespace.
* align EPOLL_* flags with fcntl O_* flag definitions, which vary by archRich Felker2012-12-271-2/+3
| | | | | | | | the old definitions were wrong on some archs. actually, EPOLL_NONBLOCK probably should not even be defined; it is not accepted by the kernel and it's not clear to me whether it has any use at all, even if it did work. this issue should be revisited at some point, but I'm leaving it in place for now in case some applications reference it.
* socket.h: add SO_(SND/RCV)BUFFORCE to generic blockrofl0r2012-12-191-0/+2
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* add some missing macros to sys/shm.hRich Felker2012-12-151-0/+3
| | | | | these are not specified in the standard, but in the reserved namespace, so there is no problem with defining them unconditionally.
* add missing flags in sys/timerfd.hRich Felker2012-12-131-0/+6
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* fix regressions in app compatibility from previous sys/ipc.h changesRich Felker2012-12-101-0/+5
| | | | | | | | | | | | despite glibc using __key and __seq rather than key and seq, some applications, notably busybox, assume the names are key and seq unless glibc is being used. and the names key and seq are really the ones that _should_ be exposed when not attempting to present a standards-conforming namespace; apps should not be using names that begin with double-underscore. thus, the optimal fix is to use key and seq as the actual names of the members when in bsd/gnu source profile, and define macros for __key and __seq that redirect to plain key and seq.
* syscall() declaration belongs in unistd.h, not sys/syscall.hRich Felker2012-12-101-10/+0
| | | | | | | traditionally, both BSD and GNU systems have it this way. sys/syscall.h is purely syscall number macros. presently glibc exposes the syscall declaration in unistd.h only with _GNU_SOURCE, but that does not reflect historical practice.
* fix names of ipc_perm __key/__seq elementsRich Felker2012-12-061-6/+2
| | | | | | | | | | | | | previously the names were exposed as key/seq with _GNU_SOURCE and __ipc_perm_key/__ipc_perm/seq otherwise, whereas glibc always uses __key and __seq for the names. thus, the old behavior never matched glibc, and the new behavior always does, regardless of feature test macros. for now, i'm leaving the renaming here in sys/ipc.h where it's easy to change globally for all archs, in case something turns out to be wrong, but eventually the names could just be incorporated directly into the bits headers for each arch and the renaming removed.
* add personality syscallrofl0r2012-12-061-0/+6
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* add struct msgbuf to sys/msg.hrofl0r2012-12-061-0/+7
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* ipc.h: fix gnu aliases for key and seq in struct ipc_permrofl0r2012-12-061-2/+4
| | | | | the macro was the wrong way round, additionally GNU defines __ prefixed versions, which are used by qemu.
* add obsolete futimesat()rofl0r2012-12-061-0/+1
| | | | | | this function is obsolete, however it's available as a syscall and as such qemu userspace emulation tries to forward it to the host kernel.
* feature test macros: make _GNU_SOURCE enable everythingRich Felker2012-12-031-4/+1
| | | | | | | | | | | | | | | | previously, a few BSD features were enabled only by _BSD_SOURCE, not by _GNU_SOURCE. since _BSD_SOURCE is default in the absence of other feature test macros, this made adding _GNU_SOURCE to a project not a purely additive feature test macro; it actually caused some features to be suppressed. most of the changes made by this patch actually bring musl in closer alignment with the glibc behavior for _GNU_SOURCE. the only exceptions are the added visibility of functions like strlcpy which were BSD-only due to being disliked/rejected by glibc maintainers. here, I feel the consistency of having _GNU_SOURCE mean "everything", and especially the property of it being purely additive, are more valuable than hiding functions which glibc does not have.
* fix eventfd and inotify nonblock/cloexec flags to match arch valuesRich Felker2012-11-262-4/+6
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* make sys/procfs.h mostly work on most archsRich Felker2012-11-251-18/+0
| | | | | | | | these structures are purely for use by trace/debug tools and tools working with core files. the definition of fpregset_t, which was previously here, has been removed because it was wrong; fpregset_t should be the type used in mcontext_t, not the type used in ptrace/core stuff.
* fix breakage from introducing bits header for sys/io.hRich Felker2012-11-181-0/+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.
* add port io functions to sys/io.hRich Felker2012-11-181-2/+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.
* add cleaned-up sys/mtio.hRich Felker2012-11-171-0/+188
| | | | | this is mostly junk, but a few programs with tape-drive support unconditionally include it, and it might be useful.
* disable SO_REUSEPORT in sys/socket.hRich Felker2012-11-151-1/+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.
* fix numerous mips abi constant definition mismatchesRich Felker2012-11-051-0/+7
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* mips cache flush/ctl syscall support and headerRich Felker2012-11-041-0/+22
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* fix issues with wait constants in stdlib.hRich Felker2012-10-211-2/+0
| | | | | | the W* namespace is not reserved, so the nonstandard ones must be moved under extension features. also WNOHANG and WUNTRACED were missing.
* always expose accept4Rich Felker2012-09-291-4/+1
| | | | it will be in the next version of POSIX
* LFS64 alias for prlimitRich Felker2012-09-211-0/+1
| | | | issue reported/requested by Justin Cormack
* add clock_adjtime, remap_file_pages, and syncfs syscall wrappersRich Felker2012-09-162-0/+10
| | | | patch by Justin Cormack, with slight modification
* 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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