diff options
Diffstat (limited to 'upstream/mageia-cauldron/man0p/sys_ipc.h.0p')
-rw-r--r-- | upstream/mageia-cauldron/man0p/sys_ipc.h.0p | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/upstream/mageia-cauldron/man0p/sys_ipc.h.0p b/upstream/mageia-cauldron/man0p/sys_ipc.h.0p new file mode 100644 index 00000000..c2712102 --- /dev/null +++ b/upstream/mageia-cauldron/man0p/sys_ipc.h.0p @@ -0,0 +1,122 @@ +'\" et +.TH sys_ipc.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/ipc.h +\(em XSI interprocess communication access structure +.SH SYNOPSIS +.LP +.nf +#include <sys/ipc.h> +.fi +.SH DESCRIPTION +The +.IR <sys/ipc.h> +header is used by three mechanisms for XSI interprocess communication +(IPC): +messages, semaphores, and shared memory. All use a common structure +type, +.BR ipc_perm , +to pass information used in determining permission to perform an IPC +operation. +.P +The +.IR <sys/ipc.h> +header shall define the +.BR ipc_perm +structure, which shall include the following members: +.sp +.RS 4 +.nf + +uid_t uid \fROwner's user ID.\fR +gid_t gid \fROwner's group ID.\fR +uid_t cuid \fRCreator's user ID.\fR +gid_t cgid \fRCreator's group ID.\fR +mode_t mode \fRRead/write permission.\fR +.fi +.P +.RE +.P +The +.IR <sys/ipc.h> +header shall define the +.BR uid_t , +.BR gid_t , +.BR mode_t , +and +.BR key_t +types as described in +.IR <sys/types.h> . +.P +The +.IR <sys/ipc.h> +header shall define the following symbolic constants. +.P +Mode bits: +.IP IPC_CREAT 12 +Create entry if key does not exist. +.IP IPC_EXCL 12 +Fail if key exists. +.IP IPC_NOWAIT 12 +Error if request must wait. +.P +Keys: +.IP IPC_PRIVATE 12 +Private key. +.P +Control commands: +.IP IPC_RMID 12 +Remove identifier. +.IP IPC_SET 12 +Set options. +.IP IPC_STAT 12 +Get options. +.P +The following shall be declared as a function and may also be defined +as a macro. A function prototype shall be provided. +.sp +.RS 4 +.nf + +key_t ftok(const char *, int); +.fi +.P +.RE +.LP +.IR "The following sections are informative." +.SH "APPLICATION USAGE" +None. +.SH RATIONALE +None. +.SH "FUTURE DIRECTIONS" +None. +.SH "SEE ALSO" +.IR "\fB<sys_types.h>\fP" +.P +The System Interfaces volume of POSIX.1\(hy2017, +.IR "\fIftok\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 . |