posix_spawnattr_getsigdefault

, posix_spawnattr_setsigdefault

- get and set spawn-sigdefault attribute of spawn attributes object

Synopsis

#include <signal.h>
#include <spawn.h>

int posix_spawnattr_getsigdefault(const posix_spawnattr_t *restrict attr,
     sigset_t *restrict sigdefault);

int posix_spawnattr_setsigdefault(posix_spawnattr_t *restrict attr,
     const sigset_t *restrict sigdefault);

Description

The posix_spawnattr_getsigdefault() function obtains the value of the spawn-sigdefault attribute from the attributes object referenced by attr.

The posix_spawnattr_setsigdefault() function sets the spawn-sigdefault attribute in an initialized attributes object referenced by attr.

The spawn-sigdefault attribute represents the set of signals to be forced to default signal handling in the new process image (if POSIX_SPAWN_SETSIGDEF is set in the spawn-flags attribute) by a spawn operation. The default value of this attribute is an empty signal set.

Return Values

Upon successful completion, posix_spawnattr_getsigdefault() returns 0 and stores the value of the spawn-sigdefault attribute of attr into the object referenced by the sigdefault parameter. Otherwise, an error number is returned to indicate the error.

Upon successful completion, posix_spawnattr_setsigdefault() returns 0. Otherwise, an 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_setsigdefault() function may fail if:

EINVAL

The value of the attribute being set is not valid.

Attributes

See attributes(5) for descriptions of the following attributes:

See Also

posix_spawn(3C), posix_spawnattr_destroy(3C), posix_spawnattr_getflags(3C), posix_spawnattr_getpgroup(3C), posix_spawnattr_getschedparam(3C), posix_spawnattr_getschedpolicy(3C), posix_spawnattr_getsigmask(3C), attributes(5), standards(5)