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Rich Felker 25ea9f712c fix unintended observability of SIGABRT disposition reset via sigaction 
the existing abort locking logic in sigaction only accounted for
attempts to change the disposition, not attempts to observe the change
made by abort.

unfortunately the change is still observable in at least one other
place: inheritance of signal dispositions across exec and posix_spawn.
fixing these is a separate task and it's not even clear whether a
complete fix is possible.
2020-10-14 20:27:12 -04:00
arch bits/syscall.h: add __NR_faccessat2 from linux v5.8 2020-09-09 17:21:03 -04:00
compat/time32 fix null pointer dereference in setitimer time32 compat shim 2019-12-08 10:35:04 -05:00
crt remove unnecessary and problematic _Noreturn from crt/ldso startup 2019-06-25 19:05:40 -04:00
dist add another example option to dist/config.mak 2012-04-24 16:49:11 -04:00
include implement _Fork and refactor fork using it 2020-10-14 20:27:12 -04:00
ldso ldso: use pthread_t rather than kernel tid to track ctor visitor 2020-10-14 20:27:12 -04:00
src fix unintended observability of SIGABRT disposition reset via sigaction 2020-10-14 20:27:12 -04:00
tools fix incorrect escaping in add-cfi.*.awk scripts 2020-01-20 15:57:29 -05:00
.gitignore remove obsolete gitignore rules 2016-07-06 00:21:25 -04:00
.mailmap update contributor name 2019-12-07 12:21:35 -05:00
configure configure: enable warnings by default 2020-08-27 20:43:47 -04:00
COPYRIGHT add optimized aarch64 memcpy and memset 2020-06-26 17:49:51 -04:00
dynamic.list fix regression in access to optopt object 2018-11-19 13:20:41 -05:00
INSTALL document mips r6 in INSTALL file 2019-09-27 00:22:48 -04:00
Makefile make mallocng the default malloc implementation 2020-06-30 15:38:27 -04:00
README update version reference in the README file 2014-06-25 14:16:53 -04:00
VERSION release 1.2.1 2020-08-04 00:21:09 -04:00
WHATSNEW release 1.2.1 2020-08-04 00:21:09 -04:00

README 

    musl libc

musl, pronounced like the word "mussel", is an MIT-licensed
implementation of the standard C library targetting the Linux syscall
API, suitable for use in a wide range of deployment environments. musl
offers efficient static and dynamic linking support, lightweight code
and low runtime overhead, strong fail-safe guarantees under correct
usage, and correctness in the sense of standards conformance and
safety. musl is built on the principle that these goals are best
achieved through simple code that is easy to understand and maintain.

The 1.1 release series for musl features coverage for all interfaces
defined in ISO C99 and POSIX 2008 base, along with a number of
non-standardized interfaces for compatibility with Linux, BSD, and
glibc functionality.

For basic installation instructions, see the included INSTALL file.
Information on full musl-targeted compiler toolchains, system
bootstrapping, and Linux distributions built on musl can be found on
the project website:

    http://www.musl-libc.org/