Hi Alex, On 2/12/21 4:28 PM, Alejandro Colomar (man-pages) wrote: > Hi Michael, > > AFAICT, the syscalls [rt_]sigprocmask use '[old_]sigset_t' (there's the > '__user' modifier too), so 'kernel_' should be removed from the types, > shouldn't it? Looks like you're right. Will you send a patch? Thanks, Michael > [[ > SYNOPSIS > #include <signal.h> > > /* Prototype for the glibc wrapper function */ > int sigprocmask(int how, const sigset_t *restrict set, > sigset_t *restrict oldset); > > /* Prototype for the underlying system call */ > int rt_sigprocmask(int how, const kernel_sigset_t *set, > kernel_sigset_t *oldset, size_t sigsetsize); > > /* Prototype for the legacy system call (deprecated) */ > int sigprocmask(int how, const old_kernel_sigset_t *set, > old_kernel_sigset_t *oldset); > > Feature Test Macro Requirements for glibc (see fea‐ > ture_test_macros(7)): > > sigprocmask(): > _POSIX_C_SOURCE > > ]] > > .../linux$ grep_syscall rt_sigprocmask > kernel/signal.c:3050: > SYSCALL_DEFINE4(rt_sigprocmask, int, how, sigset_t __user *, nset, > sigset_t __user *, oset, size_t, sigsetsize) > kernel/signal.c:3081: > COMPAT_SYSCALL_DEFINE4(rt_sigprocmask, int, how, compat_sigset_t __user > *, nset, > compat_sigset_t __user *, oset, compat_size_t, sigsetsize) > include/linux/compat.h:698: > asmlinkage long compat_sys_rt_sigprocmask(int how, compat_sigset_t > __user *set, > compat_sigset_t __user *oset, > compat_size_t sigsetsize); > include/linux/syscalls.h:696: > asmlinkage long sys_rt_sigprocmask(int how, sigset_t __user *set, > sigset_t __user *oset, size_t sigsetsize); > .../linux$ grep_syscall sigprocmask > kernel/compat.c:40: > COMPAT_SYSCALL_DEFINE3(sigprocmask, int, how, > compat_old_sigset_t __user *, nset, > compat_old_sigset_t __user *, oset) > kernel/signal.c:4236: > SYSCALL_DEFINE3(sigprocmask, int, how, old_sigset_t __user *, nset, > old_sigset_t __user *, oset) > include/linux/compat.h:882: > asmlinkage long compat_sys_sigprocmask(int how, compat_old_sigset_t > __user *nset, > compat_old_sigset_t __user *oset); > include/linux/syscalls.h:1136: > asmlinkage long sys_sigprocmask(int how, old_sigset_t __user *set, > old_sigset_t __user *oset); > .../linux$ > > > -- Michael Kerrisk Linux man-pages maintainer; http://www.kernel.org/doc/man-pages/ Linux/UNIX System Programming Training: http://man7.org/training/
