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POSIX_SP...GETFLAGS(3P) POSIX Programmer's Manual POSIX_SP...GETFLAGS(3P)
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.
posix_spawnattr_getflags, posix_spawnattr_setflags — get and set
the spawn-flags attribute of a spawn attributes object (ADVANCED
REALTIME)
#include <spawn.h>
int posix_spawnattr_getflags(const posix_spawnattr_t *restrict attr,
short *restrict flags);
int posix_spawnattr_setflags(posix_spawnattr_t *attr, short flags);
The posix_spawnattr_getflags() function shall obtain the value of
the spawn-flags attribute from the attributes object referenced by
attr.
The posix_spawnattr_setflags() function shall set the spawn-flags
attribute in an initialized attributes object referenced by attr.
The spawn-flags attribute is used to indicate which process
attributes are to be changed in the new process image when
invoking posix_spawn() or posix_spawnp(). It is the bitwise-
inclusive OR of zero or more of the following flags:
POSIX_SPAWN_RESETIDS
POSIX_SPAWN_SETPGROUP
POSIX_SPAWN_SETSIGDEF
POSIX_SPAWN_SETSIGMASK
POSIX_SPAWN_SETSCHEDPARAM
POSIX_SPAWN_SETSCHEDULER
These flags are defined in <spawn.h>. The default value of this
attribute shall be as if no flags were set.
Upon successful completion, posix_spawnattr_getflags() shall
return zero and store the value of the spawn-flags attribute of
attr into the object referenced by the flags parameter; otherwise,
an error number shall be returned to indicate the error.
Upon successful completion, posix_spawnattr_setflags() shall
return zero; otherwise, an error number shall be returned to
indicate the error.
These functions may fail if:
EINVAL The value specified by attr is invalid.
The posix_spawnattr_setflags() function may fail if:
EINVAL The value of the attribute being set is not valid.
The following sections are informative.
None.
These functions are part of the Spawn option and need not be
provided on all implementations.
None.
None.
posix_spawn(3p), posix_spawnattr_destroy(3p),
posix_spawnattr_getsigdefault(3p), posix_spawnattr_getpgroup(3p),
posix_spawnattr_getschedparam(3p),
posix_spawnattr_getschedpolicy(3p), posix_spawnattr_getsigmask(3p)
The Base Definitions volume of POSIX.1‐2017, spawn.h(0p)
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 .
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 .
IEEE/The Open Group 2017 POSIX_SP...GETFLAGS(3P)
Pages that refer to this page: spawn.h(0p), posix_spawn(3p), posix_spawnattr_destroy(3p), posix_spawnattr_getpgroup(3p), posix_spawnattr_getschedparam(3p), posix_spawnattr_getschedpolicy(3p), posix_spawnattr_getsigdefault(3p), posix_spawnattr_getsigmask(3p), posix_spawnattr_setflags(3p)