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diff --git a/man-pages-posix-2017/man0p/sys_resource.h.0p b/man-pages-posix-2017/man0p/sys_resource.h.0p new file mode 100644 index 0000000..40f45c1 --- /dev/null +++ b/man-pages-posix-2017/man0p/sys_resource.h.0p @@ -0,0 +1,209 @@ +'\" et +.TH sys_resource.h "0P" 2017 "IEEE/The Open Group" "POSIX Programmer's Manual" +.\" +.SH PROLOG +This manual page is part of the POSIX Programmer's Manual. +The Linux implementation of this interface may differ (consult +the corresponding Linux manual page for details of Linux behavior), +or the interface may not be implemented on Linux. +.\" +.SH NAME +sys/resource.h +\(em definitions for XSI resource operations +.SH SYNOPSIS +.LP +.nf +#include <sys/resource.h> +.fi +.SH DESCRIPTION +The +.IR <sys/resource.h> +header shall define the following symbolic constants as possible values +of the +.IR which +argument of +\fIgetpriority\fR() +and +\fIsetpriority\fR(): +.IP PRIO_PROCESS 16 +Identifies the +.IR who +argument as a process ID. +.IP PRIO_PGRP 16 +Identifies the +.IR who +argument as a process group ID. +.IP PRIO_USER 16 +Identifies the +.IR who +argument as a user ID. +.P +The +.IR <sys/resource.h> +header shall define the following type through +.BR typedef : +.IP "\fBrlim_t\fR" 16 +Unsigned integer type used for limit values. +.P +The +.IR <sys/resource.h> +header shall define the following symbolic constants, which shall have +values suitable for use in +.BR #if +preprocessing directives: +.IP RLIM_INFINITY 16 +A value of +.BR rlim_t +indicating no limit. +.IP RLIM_SAVED_MAX 16 +A value of type +.BR rlim_t +indicating an unrepresentable saved hard limit. +.IP RLIM_SAVED_CUR 16 +A value of type +.BR rlim_t +indicating an unrepresentable saved soft limit. +.P +On implementations where all resource limits are representable in an +object of type +.BR rlim_t , +RLIM_SAVED_MAX and RLIM_SAVED_CUR need not be distinct from +RLIM_INFINITY. +.P +The +.IR <sys/resource.h> +header shall define the following symbolic constants as possible values +of the +.IR who +parameter of +\fIgetrusage\fR(): +.IP RUSAGE_SELF 16 +Returns information about the current process. +.IP RUSAGE_CHILDREN 16 +Returns information about children of the current process. +.P +The +.IR <sys/resource.h> +header shall define the +.BR rlimit +structure, which shall include at least the following members: +.sp +.RS 4 +.nf + +rlim_t rlim_cur \fRThe current (soft) limit.\fR +rlim_t rlim_max \fRThe hard limit.\fR +.fi +.P +.RE +.P +The +.IR <sys/resource.h> +header shall define the +.BR rusage +structure, which shall include at least the following members: +.sp +.RS 4 +.nf + +struct timeval ru_utime \fRUser time used.\fR +struct timeval ru_stime \fRSystem time used.\fR +.fi +.P +.RE +.P +The +.IR <sys/resource.h> +header shall define the +.BR timeval +structure as described in +.IR <sys/time.h> . +.P +The +.IR <sys/resource.h> +header shall define the following symbolic constants as possible values +for the +.IR resource +argument of +\fIgetrlimit\fR() +and +\fIsetrlimit\fR(): +.IP RLIMIT_CORE 16 +Limit on size of +.BR core +file. +.IP RLIMIT_CPU 16 +Limit on CPU time per process. +.IP RLIMIT_DATA 16 +Limit on data segment size. +.IP RLIMIT_FSIZE 16 +Limit on file size. +.IP RLIMIT_NOFILE 16 +Limit on number of open files. +.IP RLIMIT_STACK 16 +Limit on stack size. +.IP RLIMIT_AS 16 +Limit on address space size. +.P +The following shall be declared as functions and may also be defined as +macros. Function prototypes shall be provided. +.sp +.RS 4 +.nf + +int getpriority(int, id_t); +int getrlimit(int, struct rlimit *); +int getrusage(int, struct rusage *); +int setpriority(int, id_t, int); +int setrlimit(int, const struct rlimit *); +.fi +.P +.RE +.P +The +.IR <sys/resource.h> +header shall define the +.BR id_t +type through +.BR typedef , +as described in +.IR <sys/types.h> . +.P +Inclusion of the +.IR <sys/resource.h> +header may also make visible all symbols from +.IR <sys/time.h> . +.LP +.IR "The following sections are informative." +.SH "APPLICATION USAGE" +None. +.SH RATIONALE +None. +.SH "FUTURE DIRECTIONS" +None. +.SH "SEE ALSO" +.IR "\fB<sys_time.h>\fP", +.IR "\fB<sys_types.h>\fP" +.P +The System Interfaces volume of POSIX.1\(hy2017, +.IR "\fIgetpriority\fR\^(\|)", +.IR "\fIgetrlimit\fR\^(\|)", +.IR "\fIgetrusage\fR\^(\|)" +.\" +.SH COPYRIGHT +Portions of this text are reprinted and reproduced in electronic form +from IEEE Std 1003.1-2017, Standard for Information Technology +-- Portable Operating System Interface (POSIX), The Open Group Base +Specifications Issue 7, 2018 Edition, +Copyright (C) 2018 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 . +.PP +Any typographical or formatting errors that appear +in this page are most likely +to have been introduced during the conversion of the source files to +man page format. To report such errors, see +https://www.kernel.org/doc/man-pages/reporting_bugs.html . |