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musl - an implementation of the standard library for Linux-based systems
0ab97350f0
until the mq notification event arrives, it is mandatory that signals be blocked. otherwise, a signal can be received, and its handler executed, in a thread which does not yet exist on the abstract machine. after the point of the event arriving, having signals blocked is not a conformance requirement but a QoI requirement. while the application can unblock any signals it wants unblocked in the event handler thread, if they did not start out blocked, it could not block them without a race window where they are momentarily unblocked, and this would preclude controlled delivery or other forms of acceptance (sigwait, etc.) anywhere in the application. |
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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/