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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:43:11 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-15 19:43:11 +0000 |
| commit | fc22b3d6507c6745911b9dfcc68f1e665ae13dbc (patch) | |
| tree | ce1e3bce06471410239a6f41282e328770aa404a /upstream/archlinux/man2/sgetmask.2 | |
| parent | Initial commit. (diff) | |
| download | manpages-l10n-fc22b3d6507c6745911b9dfcc68f1e665ae13dbc.tar.xz manpages-l10n-fc22b3d6507c6745911b9dfcc68f1e665ae13dbc.zip | |
Adding upstream version 4.22.0.upstream/4.22.0
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'upstream/archlinux/man2/sgetmask.2')
| -rw-r--r-- | upstream/archlinux/man2/sgetmask.2 | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/upstream/archlinux/man2/sgetmask.2 b/upstream/archlinux/man2/sgetmask.2 new file mode 100644 index 00000000..07e413a1 --- /dev/null +++ b/upstream/archlinux/man2/sgetmask.2 @@ -0,0 +1,70 @@ +.\" Copyright (c) 2007 by Michael Kerrisk <mtk.manpages@gmail.com> +.\" +.\" SPDX-License-Identifier: Linux-man-pages-copyleft +.\" +.TH sgetmask 2 2023-10-31 "Linux man-pages 6.06" +.SH NAME +sgetmask, ssetmask \- manipulation of signal mask (obsolete) +.SH LIBRARY +Standard C library +.RI ( libc ", " \-lc ) +.SH SYNOPSIS +.nf +.BR "#include <sys/syscall.h>" " /* Definition of " SYS_* " constants */" +.B #include <unistd.h> +.P +.B [[deprecated]] long syscall(SYS_sgetmask, void); +.BI "[[deprecated]] long syscall(SYS_ssetmask, long " newmask ); +.fi +.SH DESCRIPTION +These system calls are obsolete. +.IR "Do not use them" ; +use +.BR sigprocmask (2) +instead. +.P +.BR sgetmask () +returns the signal mask of the calling process. +.P +.BR ssetmask () +sets the signal mask of the calling process to the value given in +.IR newmask . +The previous signal mask is returned. +.P +The signal masks dealt with by these two system calls +are plain bit masks (unlike the +.I sigset_t +used by +.BR sigprocmask (2)); +use +.BR sigmask (3) +to create and inspect these masks. +.SH RETURN VALUE +.BR sgetmask () +always successfully returns the signal mask. +.BR ssetmask () +always succeeds, and returns the previous signal mask. +.SH ERRORS +These system calls always succeed. +.SH STANDARDS +Linux. +.SH HISTORY +Since Linux 3.16, +.\" f6187769dae48234f3877df3c4d99294cc2254fa +support for these system calls is optional, +depending on whether the kernel was built with the +.B CONFIG_SGETMASK_SYSCALL +option. +.SH NOTES +These system calls are unaware of signal numbers greater than 31 +(i.e., real-time signals). +.P +These system calls do not exist on x86-64. +.P +It is not possible to block +.B SIGSTOP +or +.BR SIGKILL . +.SH SEE ALSO +.BR sigprocmask (2), +.BR signal (7) |