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diff --git a/man-pages-posix-2003/man0p/sys_select.h.0p b/man-pages-posix-2003/man0p/sys_select.h.0p new file mode 100644 index 0000000..5ea026c --- /dev/null +++ b/man-pages-posix-2003/man0p/sys_select.h.0p @@ -0,0 +1,115 @@ +.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved +.TH "<sys/select.h>" 0P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual" +.\" <sys/select.h> +.SH NAME +sys/select.h \- select types +.SH SYNOPSIS +.LP +\fB#include <sys/select.h>\fP +.SH DESCRIPTION +.LP +The \fI<sys/select.h>\fP header shall define the \fBtimeval\fP structure +that includes at least the following +members: +.sp +.RS +.nf + +\fBtime_t tv_sec \fP Seconds. \fB +suseconds_t tv_usec \fP Microseconds. \fB +\fP +.fi +.RE +.LP +The \fBtime_t\fP and \fBsuseconds_t\fP types shall be defined as described +in \fI<sys/types.h>\fP . +.LP +The \fBsigset_t\fP type shall be defined as described in \fI<signal.h>\fP +\&. +.LP +The \fBtimespec\fP structure shall be defined as described in \fI<time.h>\fP +\&. +.LP +The \fI<sys/select.h>\fP header shall define the \fBfd_set\fP type +as a structure. +.LP +Each of the following may be declared as a function, or defined as +a macro, or both: +.TP 7 +\fBvoid\fP \fIFD_CLR\fP(\fBint\fP \fIfd\fP, \fBfd_set *\fP\fIfdset\fP) +.sp +Clears the bit for the file descriptor \fIfd\fP in the file descriptor +set \fIfdset\fP. +.TP 7 +\fBint\fP \fIFD_ISSET\fP(\fBint\fP \fIfd\fP, \fBfd_set *\fP\fIfdset\fP) +.sp +Returns a non-zero value if the bit for the file descriptor \fIfd\fP +is set in the file descriptor set by \fIfdset\fP, and 0 +otherwise. +.TP 7 +\fBvoid\fP \fIFD_SET\fP(\fBint\fP \fIfd\fP, \fBfd_set *\fP\fIfdset\fP) +.sp +Sets the bit for the file descriptor \fIfd\fP in the file descriptor +set \fIfdset\fP. +.TP 7 +\fBvoid\fP \fIFD_ZERO\fP(\fBfd_set *\fP\fIfdset\fP) +.sp +Initializes the file descriptor set \fIfdset\fP to have zero bits +for all file descriptors. +.sp +.LP +If implemented as macros, these may evaluate their arguments more +than once, so applications should ensure that the arguments +they supply are never expressions with side effects. +.LP +The following shall be defined as a macro: +.TP 7 +FD_SETSIZE +.sp +Maximum number of file descriptors in an \fBfd_set\fP structure. +.sp +.LP +The following shall be declared as functions and may also be defined +as macros. Function prototypes shall be provided. +.sp +.RS +.nf + +\fBint pselect(int, fd_set *restrict, fd_set *restrict, fd_set *restrict, + const struct timespec *restrict, const sigset_t *restrict); +int select(int, fd_set *restrict, fd_set *restrict, fd_set *restrict, + struct timeval *restrict); +\fP +.fi +.RE +.LP +Inclusion of the \fI<sys/select.h>\fP header may make visible all +symbols from the headers \fI<signal.h>\fP, \fI<sys/time.h>\fP, +and \fI<time.h>\fP. +.LP +\fIThe following sections are informative.\fP +.SH APPLICATION USAGE +.LP +None. +.SH RATIONALE +.LP +None. +.SH FUTURE DIRECTIONS +.LP +None. +.SH SEE ALSO +.LP +\fI<signal.h>\fP, \fI<sys/time.h>\fP, +\fI<sys/types.h>\fP, \fI<time.h>\fP, the +System Interfaces volume of IEEE\ Std\ 1003.1-2001, \fIpselect\fP(), +\fIselect\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 . |