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2012-11-04mips cache flush/ctl syscall support and headerRich Felker-0/+22
2012-11-01avoid breakage if somebody wrongly defines empty feature test macrosRich Felker-3/+3
2012-10-31add dl_iterate_phdr interfaceRich Felker-0/+27
patches by Alex Caudill (npx). the dynamic-linked version is almost identical to the final submitted patch; I just added a couple missing lines for saving the phdr address when the dynamic linker is invoked directly to run a program, and removed a couple to avoid introducing another unnecessary type. the static-linked version is based on npx's draft. it could use some improvements which are contingent on the startup code saving some additional information for later use.
2012-10-21fix issues with wait constants in stdlib.hRich Felker-6/+5
the W* namespace is not reserved, so the nonstandard ones must be moved under extension features. also WNOHANG and WUNTRACED were missing.
2012-10-21complex: make _Complex_I work with gcc -std=c99 -pedantic-errorsnsz-0/+4
2012-10-17assert() is supposed to have type voidRich Felker-1/+1
2012-10-15add memmem function (gnu extension)Rich Felker-0/+1
based on strstr. passes gnulib tests and a few quick checks of my own.
2012-10-15microblaze TLS relocation support, completely untestedRich Felker-1/+8
2012-09-30add getopt reset supportRich Felker-1/+1
based on proposed patches by Daniel Cegiełka, with minor changes: - use a weak symbol for optreset so it doesn't clash with namespace - also reset optpos (position in multi-option arg like -lR) - also make getopt_long support reset
2012-09-30define some _POSIX_* macros that were omitted; required for XSI conformanceRich Felker-0/+3
2012-09-29always expose accept4Rich Felker-4/+1
it will be in the next version of POSIX
2012-09-29always expose dup3 and pipe2Rich Felker-2/+2
they will be in the next version of POSIX
2012-09-29microblaze portRich Felker-0/+24
based on initial work by rdp, with heavy modifications. some features including threads are untested because qemu app-level emulation seems to be broken and I do not have a proper system image for testing.
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/+11
patch by Justin Cormack, with slight modification
2012-09-15fix stupid bug in updating of O_ACCMODE for O_SEARCH supportRich Felker-1/+1
this could cause major bugs, and warrants a fix release right away.
2012-09-13strsep is BSD|GNU, not GNU-only; it's originally from BSDRich Felker-1/+4
2012-09-13add O_PATH/O_SEARCH support to fcntl.hRich Felker-1/+1
I'm not 100% sure that Linux's O_PATH meets the POSIX requirements for O_SEARCH, but it seems very close if not perfect. and old kernels ignore it, so O_SEARCH will still work as desired as long as the caller has read permissions to the directory.
2012-09-09add setdomainname syscall, fix getdomainname (previously a stub)Rich Felker-0/+1
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
2012-09-09fix typo introduced in poll.hRich Felker-1/+1
2012-09-09add linux ppoll syscall wrapperRich Felker-0/+10
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/+82
based on patch by Justin Cormack
2012-09-08add IPPROTO_HOPOPTS to in.hRich Felker-0/+1
2012-09-08add IPPROTO_MAX to in.hRich Felker-0/+1
2012-09-08fix redundant _Noreturn def in err.hRich Felker-7/+1
not sure why this was missed in the earlier commit.
2012-09-08remove all remaining redundant __restrict/__inline/_Noreturn defsRich Felker-76/+14
2012-09-08sysmacros major/minor: result should have type unsigned int, not dev_tRich Felker-2/+2
2012-09-08add linux tee syscallRich Felker-0/+1
2012-09-08add linux sync_file_range syscallRich Felker-0/+4
2012-09-08add linux readahead syscallRich Felker-0/+1
2012-09-08add fallocate (nonstandardized) functionRich Felker-0/+3
this is equivalent to posix_fallocate except that it has an extra mode/flags argument to control its behavior, and stores the error in errno rather than returning an error code.
2012-09-08add timerfd interfaces (untested)Rich Felker-0/+18
2012-09-08add stdnoreturn.h (C11)Rich Felker-0/+5
features.h contains the fallback logic for pre-C11 compilers
2012-09-07TCP_* is in the reserved namespace for tcp.h; make use of thatRich Felker-3/+4
2012-09-07remove unneeded judgemental commentary from ftw.hRich Felker-4/+0
2012-09-07default features: make musl usable without feature test macrosRich Felker-116/+100
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.
2012-09-06provide loff_t for splice syscallRich Felker-0/+1
so far, this is the only actual use of loff_t i've found. some software, including glib, assumes loff_t must exist if splice exists; this is a reasonable assumption since the official prototype for splice uses loff_t, as it always works with 64-bit offsets regardless of the selected libc off_t size. i'm using #define for now rather than a typedef to make it easy to define in other headers if necessary (like the LFS64 ugliness), but it may be necessary to add it to alltypes.h eventually if other functions end up needing it.
2012-09-06further use of _Noreturn, for non-plain-C functionsRich Felker-9/+37
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.
2012-09-06add _Noreturn function attribute, with fallback for pre-C11 GNUCRich Felker-5/+19
2012-09-06dladdr should be available under _BSD_SOURCE as well as _GNU_SOURCERich Felker-1/+1
2012-09-06use restrict everywhere it's required by c99 and/or posix 2008Rich Felker-184/+353
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-27/+22
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.
2012-09-01fix wrong type for poll.h nfds_tRich Felker-1/+1
this should not break anything since the type should never be used except as the argument type for poll.
2012-08-26dladdr support for dynamic linker (nonstandard extension)Rich Felker-0/+10
based on patches submitted by boris brezillon. this commit also fixes the issue whereby the main application and libc don't have the address ranges of their mappings stored, which was theoretically a problem for RTLD_NEXT support in dlsym; it didn't actually matter because libc never calls dlsym, and it seemed to be doing the right thing (by chance) for symbols in the main program as well.
2012-08-25implement "low hanging fruit" from C11Rich Felker-0/+18
based on Gregor's patch sent to the list. includes: - stdalign.h - removing gets in C11 mode - adding aligned_alloc and adjusting other functions to use it - adding 'x' flag to fopen for exclusive mode
2012-08-25add c11 quick_exit and at_quick_exit functionsRich Felker-0/+2
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