Originální popis anglicky:
posix_spawnattr_getsigmask, posix_spawnattr_setsigmask - get and set the
spawn-sigmask attribute of a spawn attributes object (
ADVANCED
REALTIME)
Návod, kniha: POSIX Programmer's Manual
#include <signal.h>
#include <spawn.h>
int posix_spawnattr_getsigmask(const posix_spawnattr_t *restrict
attr,
sigset_t *restrict
sigmask );
int posix_spawnattr_setsigmask(posix_spawnattr_t *restrict
attr,
const sigset_t *restrict
sigmask);
The
posix_spawnattr_getsigmask() function shall obtain the value of the
spawn-sigmask attribute from the attributes object referenced by
attr.
The
posix_spawnattr_setsigmask() function shall set the
spawn-sigmask attribute in an initialized attributes object referenced
by
attr.
The
spawn-sigmask attribute represents the signal mask in effect in the
new process image of a spawn operation (if POSIX_SPAWN_SETSIGMASK is set in
the
spawn-flags attribute). The default value of this attribute is
unspecified.
Upon successful completion,
posix_spawnattr_getsigmask() shall return
zero and store the value of the
spawn-sigmask attribute of
attr
into the object referenced by the
sigmask parameter; otherwise, an
error number shall be returned to indicate the error.
Upon successful completion,
posix_spawnattr_setsigmask() 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_setsigmask() 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() ,
posix_spawnattr_destroy() ,
posix_spawnattr_init() ,
posix_spawnattr_getsigdefault() ,
posix_spawnattr_getflags() ,
posix_spawnattr_getpgroup() ,
posix_spawnattr_getschedparam() ,
posix_spawnattr_getschedpolicy() ,
posix_spawnattr_setsigdefault() ,
posix_spawnattr_setflags() ,
posix_spawnattr_setpgroup() ,
posix_spawnattr_setschedparam() ,
posix_spawnattr_setschedpolicy() ,
posix_spawnp() , the Base
Definitions volume of IEEE Std 1003.1-2001,
<signal.h>,
<spawn.h>
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
.
