Alexey IzbyshevandRich Felker
3ad3fa962e
After commit5b74eed3b3the timer thread doesn't check whether timer_create() actually created the timer, proceeding to wait for a signal that might never arrive. We can't fix this by simply checking for a negative timer_id after pthread_barrier_wait() because we have no way to distinguish a timer creation failure and a request to delete a timer with INT_MAX id if it happens to arrive quickly (a variation of this bug existed before5b74eed3b3, where the timer would be leaked in this case). So (ab)use cancel field of pthread_t instead.
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/