posix_spawnattr_getsigmask

posix_spawnattr_getsigmask()

get and set the spawn-sigmask attribute of a spawn attributes object 

Advanced Realtime Function


SYNOPSIS

#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);


DESCRIPTION

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.


PARAMETERS

attr 

sigmask 


RETURN VALUES

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.


ERRORS

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.


EXAMPLES

None.


CONFORMANCE

UNIX 03.


MULTITHREAD SAFETY LEVEL

MT-Safe.


PORTING ISSUES

None.


AVAILABILITY

PTC MKS Toolkit for Professional Developers
PTC MKS Toolkit for Professional Developers 64-Bit Edition
PTC MKS Toolkit for Enterprise Developers
PTC MKS Toolkit for Enterprise Developers 64-Bit Edition


SEE ALSO


PTC MKS Toolkit 10.3 Documentation Build 39.