Re: new module for async-safe spin locks

> - Solaris cc: are handled through inline asm, based on the code that > GCC would generate. Sun Studio 11 cc (__SUNPRO_C == 0x580) does not support GCC extended asm syntax, but Sun Studio 12 cc (__SUNPRO_C >= 0x590) does. 2020-07-03 Bruno Haible asyncsafe-spin: Use GCC extende

Re: new module for async-safe spin locks

A small code unification: 2020-07-03 Bruno Haible asyncsafe-spin: Reduce code duplication. * lib/asyncsafe-spin.c: (do_lock, do_unlock): New functions. (asyncsafe_spin_lock, asyncsafe_spin_unlock): Use them. * modules/asyncsafe-spin (configure.ac): Require AC_C

new module for async-safe spin locks

This patch series adds a module 'asyncsafe-spin', with async-safe spin locks. What is it? --- An async-safe spin lock is a spin lock that can be used to communicate between a thread that executes normal code and a thread that executes a signal handler. The table in section 2.4.3 of