On 07.10.2015 08:48, Kustaa Nyholm wrote: > > However, does the C-standard say anything about this? I always prefer > to adhere to the standard as far as language features are concerned.
No C standard that I know of mentions interrupt handlers. However, C11 introduced threads, and has wording that implies that malloc(), etc are thread-save. Threads are optional in C11, and are unlikely to ever be supported in the library that comes with SDCC. Whoever implementes threads whatever way probably would have to take care of the malloc() situation at that time. AFAIK, in Unix, malloc() is thread-save, but not save to be called from signal handlers. Philipp
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