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2013-04-02re-add useconds_trofl0r-0/+1
this type was removed back in 5243e5f1606a9c6fcf01414e , because it was removed from the XSI specs. however some apps use it. since it's in the POSIX reserved namespace, we can expose it unconditionally.
2013-04-01add new socket options to sys/socket.h following linuxSzabolcs Nagy-2/+17
2013-04-01add ADJ_SETOFFSET timex mode bit (new in linux v2.6.39)Szabolcs Nagy-0/+1
2013-03-06fix epoll structure alignment on non-x86_64 archsRich Felker-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.
2013-03-04fix some obscure header type size/alignment issuesRich Felker-4/+2
2013-01-12add MOD_TAI to sys/timex.h and update STA_RONLYSzabolcs Nagy-1/+2
2013-01-12add SWAP_FLAG_DISCARD to sys/swap.hSzabolcs Nagy-0/+1
2013-01-12add mount flags to sys/mount.hSzabolcs Nagy-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
2013-01-12add IN_EXCL_UNLINK to sys/inotify.hSzabolcs Nagy-0/+1
2013-01-12add EPOLLWAKEUP flag to sys/epoll.hSzabolcs Nagy-0/+1
2013-01-12add RB_SW_SUSPEND and RB_KEXEC to sys/reboot.hSzabolcs Nagy-0/+2
using the glibc names for the magic constants of the linux reboot syscall
2013-01-12add missing ptrace requests and options to sys/ptrace.hSzabolcs Nagy-1/+9
2013-01-12add missing protocol families to sys/socket.hSzabolcs Nagy-1/+11
missing protocol families based on current linux headers: PF_RDS, PF_LLC, PF_CAN, PF_TIPC, PF_NFC
2013-01-10fix another case of cloexec/nonblock flags not matching arch valuesRich Felker-2/+3
2013-01-04wait.h: add linux specific, thread-related waitpid() flagsrofl0r-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.
2012-12-27align EPOLL_* flags with fcntl O_* flag definitions, which vary by archRich Felker-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.
2012-12-19socket.h: add SO_(SND/RCV)BUFFORCE to generic blockrofl0r-0/+2
2012-12-15add some missing macros to sys/shm.hRich Felker-0/+3
these are not specified in the standard, but in the reserved namespace, so there is no problem with defining them unconditionally.
2012-12-13add missing flags in sys/timerfd.hRich Felker-0/+6
2012-12-10fix regressions in app compatibility from previous sys/ipc.h changesRich Felker-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.
2012-12-10syscall() declaration belongs in unistd.h, not sys/syscall.hRich Felker-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.
2012-12-06fix names of ipc_perm __key/__seq elementsRich Felker-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.
2012-12-06add personality syscallrofl0r-0/+6
2012-12-06add struct msgbuf to sys/msg.hrofl0r-0/+7
2012-12-06ipc.h: fix gnu aliases for key and seq in struct ipc_permrofl0r-2/+4
the macro was the wrong way round, additionally GNU defines __ prefixed versions, which are used by qemu.
2012-12-06add obsolete futimesat()rofl0r-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.
2012-12-03feature test macros: make _GNU_SOURCE enable everythingRich Felker-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.
2012-11-26fix eventfd and inotify nonblock/cloexec flags to match arch valuesRich Felker-4/+6
2012-11-25make sys/procfs.h mostly work on most archsRich Felker-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.
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.
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