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57243b3021
The old code accepted atexit handlers after exit, but did not run them reliably. C11 seems to explicitly allow atexit to fail (and report such failure) in this case, but this situation can easily come up in C++ if a destructor has a local static object with a destructor so it should be handled. Note that the memory usage can grow linearly with the overall number of registered atexit handlers instead of with the worst case list length. (This only matters if atexit handlers keep registering atexit handlers which should not happen in practice). Commit message/rationale based on text by Szabolcs Nagy. |
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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/