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POSIX_SPAWNATTR_SETSIGDEFAULT(3) BSD Library Functions Manual POSIX_SPAWNATTR_SETSIGDEFAULT(3)
NAME
posix_spawnattr_setsigdefault posix_spawnattr_getsigdefault -- set or get the spawn-sigdefault
attribute on a posix_spawnattr_t
SYNOPSIS
#include <spawn.h>
int
posix_spawnattr_setsigdefault(posix_spawnattr_t *restrict attr, const sigset_t *restrict sigdefault);
int
posix_spawnattr_getsigdefault(const posix_spawnattr_t *restrict attr, sigset_t *restrict sigdefault);
DESCRIPTION
The posix_spawnattr_setsigdefault() function sets the sigdefault on the attributes object referenced by
attr.
The posix_spawnattr_getsigdefault() function retrieves the sigdefault on the attributes object refer-enced referenced
enced by attr.
The argument sigdefault is the set of signals to be returned to default behaviour in the new process on
creation if the POSIX_SPAWN_SETSIGDEF flag is set in the posix_spawnattr_t. It's default value must be
set via a call to posix_spawnattr_setflags(3) or the behaviour is undefined.
RETURN VALUES
On success, these functions return 0; on failure they return an error number from <errno.h>. Addition-ally, Additionally,
ally, if successful, posix_spawnattr_getsigdefault() will modify the contents of the sigdefault parame-ter parameter
ter with the current attribute value.
ERRORS
These functions may fail if:
[EINVAL] The value specified by attr is invalid.
[EINVAL] The value of attr is invalid.
SEE ALSO
posix_spawn(2), posix_spawnp(2), posix_spawnattr_init(3), posix_spawnattr_destroy(3),
posix_spawnattr_setflags(3)
STANDARDS
Version 3 of the Single UNIX Specification (``SUSv3'') [SPN]
HISTORY
The posix_spawnattr_setsigdefault() and posix_spawnattr_getsigdefault() function calls appeared in
Version 3 of the Single UNIX Specification (``SUSv3'') [SPN].
Mac OS X August 22, 2007 Mac OS X
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