diff options
Diffstat (limited to 'lib/libc')
| -rw-r--r-- | lib/libc/sys/sigaction.2 | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/lib/libc/sys/sigaction.2 b/lib/libc/sys/sigaction.2 index 85da04e3c3eb..cf511966e018 100644 --- a/lib/libc/sys/sigaction.2 +++ b/lib/libc/sys/sigaction.2 @@ -281,13 +281,15 @@ is possible on a descriptor (see .It Dv SIGUSR2 No " terminate process" " User defined signal 2" .El .Sh NOTE -The mask specified in +The +.Fa sa_mask +field specified in .Fa act is not allowed to block .Dv SIGKILL or .Dv SIGSTOP . -Attempting to do so will cause the call to fail. +Any attempt to do so will be silently ignored. .Sh RETURN VALUES A 0 value indicated that the call succeeded. A \-1 return value indicates an error occurred and |