On 05/23, Deepa Dinamani wrote: > > 1. block the signals you don't care about. > 2. syscall() > 3. unblock the signals blocked in 1. and even this part of your email is very confusing. because in this case we can never miss a signal. I'd say 1. block the signals you don't care about 2. unblock the signals which should interrupt the syscall below 3. syscall() 4. block the signals unblocked in 2. Oleg.