X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=man%2Fsd_listen_fds.xml;h=6fb8d27f24d773401af06884f7aac399964fcbfa;hb=424313503a6813bd78a7e8524668044ab61f3fb3;hp=10ea57c9727496ec26cf16c971e35b22aadf6c0d;hpb=f9378423b9758861850748aeb49ae0d3300e56e6;p=elogind.git
diff --git a/man/sd_listen_fds.xml b/man/sd_listen_fds.xml
index 10ea57c97..6fb8d27f2 100644
--- a/man/sd_listen_fds.xml
+++ b/man/sd_listen_fds.xml
@@ -90,14 +90,13 @@
sd_is_socket_inet3,
sd_is_socket_unix3
are provided. In order to maximize flexibility it is
- recommened to make these checks as loose as possible
+ recommended to make these checks as loose as possible
without allowing incorrect setups. i.e. often the
actual port number a socket is bound to matters little
for the service to work, hence it should not be
verified. On the other hand, whether a socket is a
datagram or stream socket matters a lot for the most
- common program logics and should hence be
- checked.
+ common program logics and should be checked.
This function call will set the FD_CLOEXEC flag
for all passed file descriptors to avoid further
@@ -110,10 +109,10 @@
On failure, this call returns a negative
errno-style error code. If
$LISTEN_FDS/$LISTEN_PID
- was not set or not correctly set for this daemon and
- hence no file descriptors received 0 is
+ was not set or was not correctly set for this daemon and
+ hence no file descriptors were received, 0 is
returned. Otherwise the number of file descriptors
- passed is returned, the application may find them
+ passed is returned. The application may find them
starting with file descriptor SD_LISTEN_FDS_START,
i.e. file descriptor 3.
@@ -159,17 +158,37 @@
become a NOP.
+
+ Environment
+
+
+
+ $LISTEN_PID
+ $LISTEN_FDS
+
+ Set by the init system
+ for supervised processes that use
+ socket-based activation. This
+ environment variable specifies the
+ data
+ sd_listen_fds()
+ parses. See above for
+ details.
+
+
+
+
See Also
- sd_daemon7,
+ systemd1,
+ sd-daemon7,
sd_is_fifo3,
sd_is_socket3,
sd_is_socket_inet3,
sd_is_socket_unix3,
daemon7,
- systemd8,
systemd.service5,
systemd.socket5