X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=man%2Fsd_listen_fds.xml;h=09d0503e134d6c20084439d365ec5764f4fa68b8;hb=54f5e17193a6837c1b2d59abcd4f84ec61069f33;hp=734e2374d9992d18bf9ac55ca74c37444e10f546;hpb=436c44a5d64ef136ead64e9b03c8c05cc573a61b;p=elogind.git diff --git a/man/sd_listen_fds.xml b/man/sd_listen_fds.xml index 734e2374d..09d0503e1 100644 --- a/man/sd_listen_fds.xml +++ b/man/sd_listen_fds.xml @@ -49,7 +49,7 @@ - #include "sd-daemon.h" + #include <systemd/sd-daemon.h> #define SD_LISTEN_FDS_START 3 @@ -96,8 +96,7 @@ 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. @@ -141,22 +140,28 @@ For details about the algorithm check the liberally licensed reference implementation sources: - + resp. + url="http://cgit.freedesktop.org/systemd/plain/src/systemd/sd-daemon.h"/> sd_listen_fds() is - implemented in the reference implementation's drop-in + implemented in the reference implementation's sd-daemon.c and - sd-daemon.h files. It is - recommended that applications consuming these APIs - copy the implementation into their source tree. For - more details about the reference implementation see - sd_daemon7 - - If -DDISABLE_SYSTEMD is set during compilation - this function will always return 0 and otherwise - become a NOP. + sd-daemon.h files. These + interfaces are available as shared library, which can + be compiled and linked to with the + libsystemd-daemon + pkg-config1 + file. Alternatively, applications consuming these APIs + may copy the implementation into their source + tree. For more details about the reference + implementation see + sd-daemon7. + + If the reference implementation is used as + drop-in files and -DDISABLE_SYSTEMD is set during + compilation this function will always return 0 and + otherwise become a NOP.