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2016-07-03make brace placement in public header typedef'd structs consistentRich Felker-34/+17
commit befa5866ee30d09c0c96e88af2eabff5911342ea performed this change for struct definitions that did not also involve typedef, but omitted the latter.
2016-07-03add EF_SH_ sh specific macros to elf.hSzabolcs Nagy-1/+22
last time elf.h was thoroughly updated sh was not yet supported so these processor specific e_flags were missing.
2016-07-03add NT_ARM_SYSTEM_CALL to elf.hSzabolcs Nagy-0/+1
new regset in linux v3.18 for ptrace.
2016-07-03add missing x86 relocs to elf.hSzabolcs Nagy-2/+5
2016-07-03add DT_MIPS_RLD_MAP_REL to elf.hSzabolcs Nagy-1/+2
marks different RLD_MAP for debugging PIE binaries.
2016-07-03add SHF_COMPRESSED section flag to elf.hSzabolcs Nagy-0/+23
2016-07-03add powerpc tls optimization related definitions to elf.hSzabolcs Nagy-2/+6
2016-07-03add nios2 definitions to elf.hSzabolcs Nagy-0/+50
2016-07-03update elf.h with mips abi flags supportSzabolcs Nagy-1/+70
2016-07-03update elf.h with new aarch64 relocsSzabolcs Nagy-1/+13
add ilp32 related relocs and alternative names for a few macros following
2016-07-03update elf.h with powerpc64 elfv2 abi related macrosSzabolcs Nagy-2/+8
2016-07-03add new powerpc64 relocations to elf.hSzabolcs Nagy-0/+9
following the corresponding binutils and glibc changes
2016-07-03add EM_OPENRISC again to elf.hSzabolcs Nagy-0/+1
it was changed to EM_OR1K in 200d15479c0bc48471ee7b8e538ce33af990f82e as that was meant to be the official name, but glibc and the latest gabi spec still uses the EM_OPENRISC name: binutils defines both macros so we should do the same for backward compatibility.
2016-07-03make brace placement in public header struct definitions consistentRich Felker-200/+100
placing the opening brace on the same line as the struct keyword/tag is the style I prefer and seems to be the prevailing practice in more recent additions. these changes were generated by the command: find include/ arch/*/bits -name '*.h' \ -exec sed -i '/^struct [^;{]*$/{N;s/\n/ /;}' {} + and subsequently checked by hand to ensure that the regex did not pick up any false positives.
2016-07-03fix misplaced indention in sys/procfs.hRich Felker-1/+1
2016-07-03format mips bits/termios.h consistently mips64 and n32 versionsRich Felker-2/+1
with this change, all three files are identical.
2016-07-03fix CBAUDEX in powerpc termios.hSzabolcs Nagy-2/+2
it seems it was a typo.
2016-07-03fix TCS* definitions in mips termios.hSzabolcs Nagy-9/+9
these were incorrectly using the generic definitions.
2016-07-03fix mips termios.h macro exposure/namespace issuesSzabolcs Nagy-45/+42
same changes to the defined macros as in powerpc and generic bits.
2016-07-03fix powerpc termios.h macro exposure/namespace issuesSzabolcs Nagy-24/+24
same changes as in the generic header. and BOTHER and IBSHIFT were removed (present in linux uapi but not in glibc) and TIOCSER_TEMT was added (present in glibc).
2016-07-03fix generic termios.h macro exposure/namespace issuesSzabolcs Nagy-9/+14
add EXTA, EXTB, CIBAUD, CMSPAR, XCASE macros and hide them as well as CBAUD, ECHOCTL, ECHOPRT, ECHOKE, FLUSHO, PENDIN in standard mode. the new macros are both in glibc termios.h and in linux asm/termbits.h, the later also contains IBSHIFT and BOTHER, those were not added. these are not standard macros, but some of them are in the reserved namespace so could be exposed, the ones which are not reserved are CIBAUD, CMSPAR and XCASE (which was removed in issue 6), the rest got hidden to be consistent with glibc.
2016-07-03define appropriate feature test macros to get CBAUD from termios.hRich Felker-0/+2
2016-07-03fix FIOQSIZE in arm ioctl.hSzabolcs Nagy-0/+4
arm ioctl.h is the same as the generic one except this macro, so a workaround solution is used to avoid another ioctl.h copy.
2016-07-03remove termios2 related ioctls from sh ioctl.hSzabolcs Nagy-4/+0
musl does not define these on other targets either.
2016-07-03fix TIOCMSET in mips ioctl.hSzabolcs Nagy-3/+3
it seems it was a typo.
2016-07-03fix mips, mips64, mipsn32 TIOCM_* macros in ioctl.hSzabolcs Nagy-42/+42
TIOCM_ macros were wrongly using the asm-generic/termios.h definitions instead of the mips specific ones from asm/termios.h
2016-07-03remove mips and powerpc ioctls that are missing from linux uapiSzabolcs Nagy-31/+0
mips and powerpc use their own asm/ioctls.h, not the asm-generic/ioctls.h and they lack termiox macros that are available on other targets. see kernel commit 1d65b4a088de407e99714fdc27862449db04fb5c
2016-07-03add missing TIOC* macros to ioctl.hSzabolcs Nagy-3/+40
these are defined in linux asm/ioctls.h. (powerpc64 and powerpc bits/ioctl.h are now identical)
2016-07-03add missing SIOCSIFNAME from linux/sockios.h to ioctl.hSzabolcs Nagy-0/+7
glibc ioctl.h has it too.
2016-07-03remove ioctl macros that were removed from linux uapiSzabolcs Nagy-32/+0
TIOCTTYGSTRUCT, TIOCGHAYESESP, TIOCSHAYESESP and TIOCM_MODEM_BITS were removed from the linux uapi and not present in glibc ioctl.h
2016-07-03use the generic ioctl.h for x86_64, x32 and aarch64Szabolcs Nagy-607/+0
they were slightly different in musl, but should be the same: the linux uapi and glibc headers are not different.
2016-07-03add consistent reserved fields in mips64/n32 termios structuresRich Felker-0/+4
the (unused) speed fields were omitted when these ports were first added (within this release cycle, so not present in any release yet) in accordance with how glibc defines the structure on mips archs. however their omission does not match existing musl practice/intent. glibc provides its own, mostly-unified termios structure definition and performs translation in userspace to match the kernel structure for the arch, but has gratuitous differences on a few archs like mips, presumably as a result of historical mistakes. some other libcs use the kernel definitions directly. musl essentially does that, by matching the kernel layout in the part of the structure the kernel will read/write, but leaves additional space at the end for extensibility. these are nominally the (nonstandard) speed fields and (on most archs) extra c_cc elements, but since they are not used they could be repurposed if there's ever a need.
2016-07-01fix posix_fadvise syscall args on powerpc, unify with arm fixRich Felker-12/+12
commit 6d38c9cf80f47623e5e48190046673bbd0dc410b provided an arm-specific version of posix_fadvise to address the alternate argument order the kernel expects on arm, but neglected to address that powerpc (32-bit) has the same issue. instead of having arch variant files in duplicate, simply put the alternate version in the top-level file under the control of a macro defined in syscall_arch.h.
2016-06-30pthread: implement try/timed join variantsBobby Bingham-3/+19
2016-06-29fix misordered syscall arguments for posix_fadvise on armRich Felker-0/+12
the arm version of the syscall has a custom argument ordering to avoid needing a 7-argument syscall due to 64-bit argument alignment.
2016-06-29in posix_fadvise, don't bypass __syscall macro infrastructureRich Felker-1/+1
when commit 0b6eb2dfb2e84a8a51906e7634f3d5edc230b058 added the parentheses around __syscall to invoke the function directly, there was no __syscall7 in the syscall macro infrastructure, so this hack was needed. commit 9a3bbce447403d735282586786dc436ec1ffbad4 fixed that but failed to remove the hack.
2016-06-29refactor name_from_dns in hostname lookup backendNatanael Copa-14/+13
loop over an address family / resource record mapping to avoid repetitive code.
2016-06-29in performing dns lookups, check result from res_mkqueryNatanael Copa-0/+4
don't send a query that may be malformed.
2016-06-29add RUSAGE_THREAD (Linux extension) definition to sys/resource.hRich Felker-0/+1
2016-06-29fix incorrect definition of RUSAGE_CHILDREN in sys/resource.hRich Felker-1/+1
the kernel ABI value for RUSAGE_CHILDREN is -1, not 1. the latter is actually interpreted as RUSAGE_THREAD, to obtain values for just the calling thread and not the whole process.
2016-06-27fix misaligned address buffers in gethostbyname[2][_r] resultsRich Felker-7/+7
mistakenly ordering strings before addresses in the result buffer broke the alignment that the preceding code had set up.
2016-06-27fix failure to obtain EOWNERDEAD status for process-shared robust mutexesRich Felker-3/+3
Linux's documentation (robust-futex-ABI.txt) claims that, when a process dies with a futex on the robust list, bit 30 (0x40000000) is set to indicate the status. however, what actually happens is that bits 0-30 are replaced with the value 0x40000000, i.e. bits 0-29 (containing the old owner tid) are cleared at the same time bit 30 is set. our userspace-side code for robust mutexes was written based on that documentation, assuming that kernel would never produce a futex value of 0x40000000, since the low (owner) bits would always be non-zero. commit d338b506e39b1e2c68366b12be90704c635602ce introduced this assumption explicitly while fixing another bug in how non-recoverable status for robust mutexes was tracked. presumably the tests conducted at that time only checked non-process-shared robust mutexes, which are handled in pthread_exit (which implemented the documented kernel protocol, not the actual one) rather than by the kernel. change pthread_exit robust list processing to match the kernel behavior, clearing bits 0-29 while setting bit 30, and use the value 0x7fffffff instead of 0x40000000 to encode non-recoverable status. the choice of value here is arbitrary; any value with at least one of bits 0-29 set should work just as well,
2016-06-21remove comments on copyright status from UTF-8 implementation filesRich Felker-78/+0
despite clarifications made to the COPYRIGHT file in commit f0a61399330bae42beeb27d6ecd05570b3382a60, there continues to be confusion about whether the permissions granted actually apply to all files. I am the sole author of these files and clearly intend, and have always intended, for the grant of permission to apply to them.
2016-06-09avoid padding gaps in struct sockaddr_storageRich Felker-1/+1
compilers are free not to copy, or in some cases to clobber, padding bytes in a structure. while it's an aliasing violation, and thus undefined behavior, to copy or manipulate other sockaddr types using sockaddr_storage, it seems likely that traditional code attempts to do so, and the original intent of the sockaddr_storage structure was probably to allow such usage. in the interest of avoiding silent and potentially dangerous breakage, ensure that there are no actual padding bytes in sockaddr_storage by moving and adjusting the size of the __ss_padding member so that it fits exactly. this change also removes a silent assumption that the alignment of long is equal to its size.
2016-06-09update sys/socket.h to linux v4.6Szabolcs Nagy-1/+19
kernel connection multiplexor macros AF_KCM, PF_KCM, SOL_KCM were added in linux commit ab7ac4eb9832e32a09f4e8042705484d2fb0aad3 MSG_BATCH sendmsg flag for performance optimization was added in linux commit f092276d85b82504e8a07498f4e9e0c51f06745c SOL_* macros are now synced with linux socket.h which is not a uapi header and glibc did not have the macros either, but that has changed
2016-06-09add new tcp_info fields from linux v4.6Szabolcs Nagy-0/+4
new fields and associated linux commit: tcpi_notsent_bytes, tcpi_min_rtt cd9b266095f422267bddbec88f9098b48ea548fc tcpi_data_segs_in, tcpi_data_segs_out a44d6eacdaf56f74fad699af7f4925a5f5ac0e7f
2016-06-09add CLONE_NEWCGROUP clone flag, new in linux v4.6Szabolcs Nagy-0/+1
flag for new cgroup namespace, added in linux commit 5e2bec7c2248ae27c5b16cd97215ae05c1d39179
2016-06-09update siginfo struct for linux v4.6Szabolcs Nagy-6/+11
x86 protection key faults are reported in the si_pkey field, added in linux commit cd0ea35ff5511cde299a61c21a95889b4a71464e
2016-06-09add ETH_P_MACSEC netinet/if_ether.h, new in linux v4.6Szabolcs Nagy-0/+1
ethertype for macsec added in linux commit dece8d2b78d19df7fe5e4e965f1f0d1a3e188d1b
2016-06-09add SO_CNX_ADVICE to sys/socket.h, new in linux v4.6Szabolcs Nagy-0/+1
new socket option so application can give advice about routing path quality of connected udp sockets, added in linux commit a87cb3e48ee86d29868d3f59cfb9ce1a8fa63314