sys_rt_sigsuspend(9) centos man page | unix.com

SYS_RT_SIGSUSPEND(9)						   Driver Basics					      SYS_RT_SIGSUSPEND(9)

NAME
       sys_rt_sigsuspend - replace the signal mask for a value with the unewset value until a signal is received

SYNOPSIS
       long sys_rt_sigsuspend(sigset_t __user * unewset, size_t sigsetsize);

ARGUMENTS
       unewset
	   new signal mask value

       sigsetsize
	   size of sigset_t type

COPYRIGHT
Kernel Hackers Manual 3.10					     June 2014						      SYS_RT_SIGSUSPEND(9)