On Mon, Nov 17, 2008 at 01:24:07PM -0800, Prasad B wrote: > Is traditional signal support, enabled by the flag CONFIG_TRAD_SIGNALS > proscribed in 64-bit mode ? Yes - and there is no reason to do so. None of the libcs would use the functionality and it's not experted through the syscall interface anyway. > In arch/mips/kernel/signal.c, functions sys_sigsuspend(), sys_sigaction(), > sys_sigreturn(), setup_frame() are conditionally compiled, depending on > whether the flag CONFIG_TRAD_SIGNALS is defined or not. If one defines the > constant, the compilation fails as the constants such as __NR_sigreturn are > not defined in asm-mips/unistd.h for 64-bit mips. > > > Does it mean that only realtime signals are supposed to be used in 64-bit > mode ? Yes - with the exception of O32 binary compatibility which uses a compat implementation of these functions anyway. Traditional signal support is deprecated since like 10 years. Ralf
