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| author | Alejandro Colomar <alx.manpages@gmail.com> | 2022-09-05 23:03:38 +0200 |
|---|---|---|
| committer | Alejandro Colomar <alx.manpages@gmail.com> | 2022-09-05 23:03:47 +0200 |
| commit | 70ac1c4785fc1e158ab2349a962dba2526bf4fbc (patch) | |
| tree | bff270e2496dd284bccfc1271b43946f5d225224 /man3/sigsetops.3 | |
| parent | 5423a6f86b2b920a5f3e8cf8d759b513050f2d33 (diff) | |
| download | man-pages-70ac1c4785fc1e158ab2349a962dba2526bf4fbc.tar.gz | |
src.mk, All pages: Move man* to man/
The root of the repository is becoming a bit overpopulated and
unorganized, due to the recent addition of more mandirs, and more
informative and configuration files too. Let's create a specific
mandir <man/> that contains the mandirs <man[1-8]*>.
Signed-off-by: Alejandro Colomar <alx.manpages@gmail.com>
Diffstat (limited to 'man3/sigsetops.3')
| -rw-r--r-- | man3/sigsetops.3 | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/man3/sigsetops.3 b/man3/sigsetops.3 deleted file mode 100644 index e5a4fc3cdb..0000000000 --- a/man3/sigsetops.3 +++ /dev/null @@ -1,190 +0,0 @@ -.\" Copyright (c) 1994 Mike Battersby -.\" -.\" SPDX-License-Identifier: Linux-man-pages-copyleft -.\" -.\" Modified by aeb, 960721 -.\" 2005-11-21, mtk, added descriptions of sigisemptyset(), sigandset(), -.\" and sigorset() -.\" 2007-10-26 mdw added wording that a sigset_t must be initialized -.\" prior to use -.\" -.TH SIGSETOPS 3 2021-03-22 "Linux man-pages (unreleased)" -.SH NAME -sigemptyset, sigfillset, sigaddset, sigdelset, sigismember \- POSIX -signal set operations -.SH LIBRARY -Standard C library -.RI ( libc ", " \-lc ) -.SH SYNOPSIS -.nf -.B #include <signal.h> -.PP -.BI "int sigemptyset(sigset_t *" set ); -.BI "int sigfillset(sigset_t *" set ); -.PP -.BI "int sigaddset(sigset_t *" set ", int " signum ); -.BI "int sigdelset(sigset_t *" set ", int " signum ); -.PP -.BI "int sigismember(const sigset_t *" set ", int " signum ); -.fi -.PP -.RS -4 -Feature Test Macro Requirements for glibc (see -.BR feature_test_macros (7)): -.RE -.PP -.BR sigemptyset (), -.BR sigfillset (), -.BR sigaddset (), -.BR sigdelset (), -.BR sigismember (): -.nf - _POSIX_C_SOURCE -.fi -.SH DESCRIPTION -These functions allow the manipulation of POSIX signal sets. -.PP -.BR sigemptyset () -initializes the signal set given by -.I set -to empty, with all signals excluded from the set. -.PP -.BR sigfillset () -initializes -.I set -to full, including all signals. -.PP -.BR sigaddset () -and -.BR sigdelset () -add and delete respectively signal -.I signum -from -.IR set . -.PP -.BR sigismember () -tests whether -.I signum -is a member of -.IR set . -.PP -Objects of type -.I sigset_t -must be initialized by a call to either -.BR sigemptyset () -or -.BR sigfillset () -before being passed to the functions -.BR sigaddset (), -.BR sigdelset (), -and -.BR sigismember () -or the additional glibc functions described below -.RB ( sigisemptyset (), -.BR sigandset (), -and -.BR sigorset ()). -The results are undefined if this is not done. -.SH RETURN VALUE -.BR sigemptyset (), -.BR sigfillset (), -.BR sigaddset (), -and -.BR sigdelset () -return 0 on success and \-1 on error. -.PP -.BR sigismember () -returns 1 if -.I signum -is a member of -.IR set , -0 if -.I signum -is not a member, and \-1 on error. -.PP -On error, these functions set -.I errno -to indicate the error. -.SH ERRORS -.TP -.B EINVAL -.I signum -is not a valid signal. -.SH ATTRIBUTES -For an explanation of the terms used in this section, see -.BR attributes (7). -.ad l -.nh -.TS -allbox; -lbx lb lb -l l l. -Interface Attribute Value -T{ -.BR sigemptyset (), -.BR sigfillset (), -.BR sigaddset (), -.BR sigdelset (), -.BR sigismember (), -.BR sigisemptyset (), -.BR sigorset (), -.BR sigandset () -T} Thread safety MT-Safe -.TE -.hy -.ad -.sp 1 -.SH STANDARDS -POSIX.1-2001, POSIX.1-2008. -.SH NOTES -When creating a filled signal set, the glibc -.BR sigfillset () -function does not include the two real-time signals used internally -by the NPTL threading implementation. -See -.BR nptl (7) -for details. -.\" -.SS Glibc extensions -If the -.B _GNU_SOURCE -feature test macro is defined, then \fI<signal.h>\fP -exposes three other functions for manipulating signal -sets: -.PP -.nf -.BI "int sigisemptyset(const sigset_t *" set ); -.BI "int sigorset(sigset_t *" dest ", const sigset_t *" left , -.BI " const sigset_t *" right ); -.BI "int sigandset(sigset_t *" dest ", const sigset_t *" left , -.BI " const sigset_t *" right ); -.fi -.PP -.BR sigisemptyset () -returns 1 if -.I set -contains no signals, and 0 otherwise. -.PP -.BR sigorset () -places the union of the sets -.I left -and -.I right -in -.IR dest . -.BR sigandset () -places the intersection of the sets -.I left -and -.I right -in -.IR dest . -Both functions return 0 on success, and \-1 on failure. -.PP -These functions are nonstandard (a few other systems provide similar -functions) and their use should be avoided in portable applications. -.SH SEE ALSO -.BR sigaction (2), -.BR sigpending (2), -.BR sigprocmask (2), -.BR sigsuspend (2) |