raise
—
send a signal to the current thread
Standard C Library (libc, -lc)
The raise
() function sends the signal
sig to the current thread.
Upon successful completion, a value of 0 is returned. Otherwise, a value of -1
is returned and the global variable errno is set to
indicate the error.
The raise
() function may fail and set
errno for any of the errors specified for the library
functions _lwp_self(2) and
_lwp_kill(2).
The raise
() function conforms to ANSI
X3.159-1989 (“ANSI C89”) and
Version 2 of the Single UNIX Specification
(“SUSv2”).