diff options
Diffstat (limited to 'man3p/posix_spawnattr_getschedpolicy.3p')
-rw-r--r-- | man3p/posix_spawnattr_getschedpolicy.3p | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/man3p/posix_spawnattr_getschedpolicy.3p b/man3p/posix_spawnattr_getschedpolicy.3p new file mode 100644 index 000000000..80a617206 --- /dev/null +++ b/man3p/posix_spawnattr_getschedpolicy.3p @@ -0,0 +1,99 @@ +.\" Copyright (c) 2001-2003 The Open Group, All Rights Reserved +.TH "POSIX_SPAWNATTR_GETSCHEDPOLICY" P 2003 "IEEE/The Open Group" "POSIX Programmer's Manual" +.\" posix_spawnattr_getschedpolicy +.SH NAME +posix_spawnattr_getschedpolicy, posix_spawnattr_setschedpolicy \- get +and set the spawn\-schedpolicy attribute of a spawn +attributes object (\fBADVANCED REALTIME\fP) +.SH SYNOPSIS +.LP +\fB#include <spawn.h> +.br +#include <sched.h> +.br +.sp +int posix_spawnattr_getschedpolicy(const posix_spawnattr_t * +.br +\ \ \ \ \ \ restrict\fP \fIattr\fP\fB, int *restrict\fP \fIschedpolicy\fP\fB); +.br +int posix_spawnattr_setschedpolicy(posix_spawnattr_t *\fP\fIattr\fP\fB, +.br +\ \ \ \ \ \ int\fP \fIschedpolicy\fP\fB); \fP +\fB +.br +\fP +.SH DESCRIPTION +.LP +The \fIposix_spawnattr_getschedpolicy\fP() function shall obtain the +value of the \fIspawn-schedpolicy\fP attribute from the +attributes object referenced by \fIattr\fP. +.LP +The \fIposix_spawnattr_setschedpolicy\fP() function shall set the +\fIspawn-schedpolicy\fP attribute in an initialized +attributes object referenced by \fIattr\fP. +.LP +The \fIspawn-schedpolicy\fP attribute represents the scheduling policy +to be assigned to the new process image in a spawn +operation (if POSIX_SPAWN_SETSCHEDULER is set in the \fIspawn-flags\fP +attribute). The default value of this attribute is +unspecified. +.SH RETURN VALUE +.LP +Upon successful completion, \fIposix_spawnattr_getschedpolicy\fP() +shall return zero and store the value of the +\fIspawn-schedpolicy\fP attribute of \fIattr\fP into the object referenced +by the \fIschedpolicy\fP parameter; otherwise, an +error number shall be returned to indicate the error. +.LP +Upon successful completion, \fIposix_spawnattr_setschedpolicy\fP() +shall return zero; otherwise, an error number shall be +returned to indicate the error. +.SH ERRORS +.LP +These functions may fail if: +.TP 7 +.B EINVAL +The value specified by \fIattr\fP is invalid. +.sp +.LP +The \fIposix_spawnattr_setschedpolicy\fP() function may fail if: +.TP 7 +.B EINVAL +The value of the attribute being set is not valid. +.sp +.LP +\fIThe following sections are informative.\fP +.SH EXAMPLES +.LP +None. +.SH APPLICATION USAGE +.LP +These functions are part of the Spawn and Process Scheduling options +and need not be provided on all implementations. +.SH RATIONALE +.LP +None. +.SH FUTURE DIRECTIONS +.LP +None. +.SH SEE ALSO +.LP +\fIposix_spawn\fP() , \fIposix_spawnattr_destroy\fP() , \fIposix_spawnattr_init\fP() +, \fIposix_spawnattr_getsigdefault\fP() , \fIposix_spawnattr_getflags\fP() +, \fIposix_spawnattr_getpgroup\fP() , \fIposix_spawnattr_getschedparam\fP() +, \fIposix_spawnattr_getsigmask\fP() , \fIposix_spawnattr_setsigdefault\fP() +, \fIposix_spawnattr_setflags\fP() , \fIposix_spawnattr_setpgroup\fP() +, \fIposix_spawnattr_setschedparam\fP() , \fIposix_spawnattr_setsigmask\fP() +, \fIposix_spawnp\fP() , +the Base Definitions volume of IEEE\ Std\ 1003.1-2001, \fI<sched.h>\fP, +\fI<spawn.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 . |