diff options
| author | Michael Kerrisk <mtk.manpages@gmail.com> | 2015-03-22 11:33:35 +0100 |
|---|---|---|
| committer | Michael Kerrisk <mtk.manpages@gmail.com> | 2015-03-28 23:58:04 +0100 |
| commit | bce38798d0f3bb955e781c94e98507d5eb22ff43 (patch) | |
| tree | 7ee43aa67ce91ca0dad61d93db5853265ca9cfa4 /man3/pthread_sigmask.3 | |
| parent | 3699b154364dca2879c6ef9a4f10abde07ca3e28 (diff) | |
| download | man-pages-bce38798d0f3bb955e781c94e98507d5eb22ff43.tar.gz | |
pthread_sigmask.3: Note treatment of signals used internally by NPTL
The glibc implementation silently ignores attempts to block the two
real-time signals used by NPTL.
Signed-off-by: Michael Kerrisk <mtk.manpages@gmail.com>
Diffstat (limited to 'man3/pthread_sigmask.3')
| -rw-r--r-- | man3/pthread_sigmask.3 | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/man3/pthread_sigmask.3 b/man3/pthread_sigmask.3 index defef1c313..4fa4eaf24a 100644 --- a/man3/pthread_sigmask.3 +++ b/man3/pthread_sigmask.3 @@ -82,6 +82,14 @@ T} Thread safety MT-Safe POSIX.1-2001. .SH NOTES A new thread inherits a copy of its creator's signal mask. + +The glibc +.BR pthread_sigmask () +function silently ignores attempts to block the two real-time signals that +are used internally by the NPTL threading implementation. +See +.BR nptl (7) +for details. .SH EXAMPLE The program below blocks some signals in the main thread, and then creates a dedicated thread to fetch those signals via |