Name

posix_spawnattr_getsigmask, posix_spawnattr_setsigmask - get or set the spawn-sigmask attribute of a spawn attributes object

Library

libc.lib

Synopsis

#include <spawn.h>

int posix_spawnattr_getsigmask(const posix_spawnattr_t *attr,sigset_t *sigmask);
int posix_spawnattr_setsigmask(posix_spawnattr_t *attr,const sigset_t *sigmask);

The posix_spawnattr_getsigmask will get the value of the spawn-sigmask attribute from the attributes object referenced by the argument attr.

The posix_spawnattr_setsigmask will set the spawn-sigmask attribute in an initialized attributes object referenced by the argument attr.

The spawn-sigmask attribute represents the signal mask in effect in the new process image of a spawn operation. The default value of this attribute is unspecified.

Return Values

On success, posix_spawnattr_getsigmask will return 0 and stores the spawn-sigmask attribute of attr in the object referenced by the argument sigmask. On error, error number is returned to indicate the error.

On success posix_spawnattr_setsigmask will return 0. On error, error number is 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.

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