On 7/18/2011 5:46 AM, Andy Polyakov via RT wrote: > Hi, > > [snip] >> >> If I add printf() in signal handler, I see that it is called, and that >> siglongjmp() works. With my printf(), my program doesn't abort with >> SIGILL anymore but with SIGBUS (?!). >
It is illegal for a signal handler to call anything that is not an "asynchronous safe" function. Calling I/O functions is a bad idea. A good discussion can be found at https://www.securecoding.cert.org/confluence/display/seccode/SIG30-C.+Call+only+asynchronous-safe+functions+within+signal+handlers --David ______________________________________________________________________ OpenSSL Project http://www.openssl.org Development Mailing List openssl-dev@openssl.org Automated List Manager majord...@openssl.org
