diff options
Diffstat (limited to 'man3/sigwait.3')
| -rw-r--r-- | man3/sigwait.3 | 7 |
1 files changed, 6 insertions, 1 deletions
diff --git a/man3/sigwait.3 b/man3/sigwait.3 index 226a97e6f..2c3330015 100644 --- a/man3/sigwait.3 +++ b/man3/sigwait.3 @@ -36,6 +36,9 @@ function suspends execution of the calling thread until one of the signals specified in the signal set .I set becomes pending. +For a signal to become pending, +it must first be blocked with +.BR sigprocmask (2). The function accepts the signal (removes it from the pending list of signals), and returns the signal number in @@ -81,7 +84,9 @@ T} Thread safety MT-Safe .SH VERSIONS .BR sigwait () is implemented using -.BR sigtimedwait (2). +.BR sigtimedwait (2); +consult its +.BR NOTES . .P The glibc implementation of .BR sigwait () |