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diff --git a/man3p/sigaddset.3p b/man3p/sigaddset.3p new file mode 100644 index 000000000..f4ee43bde --- /dev/null +++ b/man3p/sigaddset.3p @@ -0,0 +1,72 @@ +.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved +.TH "SIGADDSET" P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual" +.\" sigaddset +.SH NAME +sigaddset \- add a signal to a signal set +.SH SYNOPSIS +.LP +\fB#include <signal.h> +.br +.sp +int sigaddset(sigset_t *\fP\fIset\fP\fB, int\fP \fIsigno\fP\fB); \fP +\fB +.br +\fP +.SH DESCRIPTION +.LP +The \fIsigaddset\fP() function adds the individual signal specified +by the \fIsigno\fP to the signal set pointed to by +\fIset\fP. +.LP +Applications shall call either \fIsigemptyset\fP() or \fIsigfillset\fP() +at least once for each object of type \fBsigset_t\fP prior to any +other use +of that object. If such an object is not initialized in this way, +but is nonetheless supplied as an argument to any of \fIpthread_sigmask\fP(), +\fIsigaction\fP(), +\fIsigaddset\fP(), \fIsigdelset\fP(), \fIsigismember\fP(), \fIsigpending\fP(), +\fIsigprocmask\fP(), \fIsigsuspend\fP(), \fIsigtimedwait\fP(), \fIsigwait\fP(), +or \fIsigwaitinfo\fP(), the results are undefined. +.SH RETURN VALUE +.LP +Upon successful completion, \fIsigaddset\fP() shall return 0; otherwise, +it shall return -1 and set \fIerrno\fP to indicate +the error. +.SH ERRORS +.LP +The \fIsigaddset\fP() function may fail if: +.TP 7 +.B EINVAL +The value of the \fIsigno\fP argument is an invalid or unsupported +signal number. +.sp +.LP +\fIThe following sections are informative.\fP +.SH EXAMPLES +.LP +None. +.SH APPLICATION USAGE +.LP +None. +.SH RATIONALE +.LP +None. +.SH FUTURE DIRECTIONS +.LP +None. +.SH SEE ALSO +.LP +\fISignal Concepts\fP , \fIsigaction\fP() , \fIsigdelset\fP() , \fIsigemptyset\fP() +, \fIsigfillset\fP() , \fIsigismember\fP() , \fIsigpending\fP() , +\fIsigprocmask\fP() , \fIsigsuspend\fP() , the Base Definitions volume +of IEEE\ Std\ 1003.1-2001, \fI<signal.h>\fP +.SH COPYRIGHT +Portions of this text are reprinted and reproduced in electronic form +from IEEE Std 1003.1, 2003 Edition, Standard for Information Technology +-- Portable Operating System Interface (POSIX), The Open Group Base +Specifications Issue 6, Copyright (C) 2001-2003 by the Institute of +Electrical and Electronics Engineers, Inc and The Open Group. In the +event of any discrepancy between this version and the original IEEE and +The Open Group Standard, the original IEEE and The Open Group Standard +is the referee document. The original Standard can be obtained online at +http://www.opengroup.org/unix/online.html . |