int
sigrelse(
int sig
)
The
sigrelse()
function removes the signal
sig
from the calling process' signal mask.
)
function returns 0.
Otherwise -1 is returned and
errno
is set to indicate the error.
)
function will fail if:
EINVAL
]
sig
is not a valid signal number.
)
function conforms to
IEEE Std 1003.1-2001 (``POSIX.1'') .