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| author | Max Kellermann <max@duempel.org> | 2008-03-26 10:38:40 +0000 |
|---|---|---|
| committer | Eric Wong <normalperson@yhbt.net> | 2008-03-26 10:38:40 +0000 |
| commit | f9e317ccbde426182e0eca3fa0d55d46f89a330b (patch) | |
| tree | 3a2d8dcc8de3852ad90c3b277c33803b89608960 /src/interface.c | |
| parent | d78ddd1e50dae2038a0d3f742d45e17dee0bbe4b (diff) | |
| download | mpd-f9e317ccbde426182e0eca3fa0d55d46f89a330b.tar.gz mpd-f9e317ccbde426182e0eca3fa0d55d46f89a330b.tar.xz mpd-f9e317ccbde426182e0eca3fa0d55d46f89a330b.zip | |
unlimited select() timeout
mpd sets a 1s select() timeout for no reason. This makes mpd wake up
the CPU, consume some cycles just to see there is nothing to do. We
can save that by specifying NULL instead of a timeout.
git-svn-id: https://svn.musicpd.org/mpd/trunk@7212 09075e82-0dd4-0310-85a5-a0d7c8717e4f
Diffstat (limited to 'src/interface.c')
| -rw-r--r-- | src/interface.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/src/interface.c b/src/interface.c index 0beffba23..f74d4d41a 100644 --- a/src/interface.c +++ b/src/interface.c @@ -478,14 +478,11 @@ int doIOForInterfaces(void) fd_set rfds; fd_set wfds; fd_set efds; - struct timeval tv; + struct timeval tv, *tvp = NULL; int i; int selret; int fdmax; - tv.tv_sec = 1; - tv.tv_usec = 0; - while (1) { fdmax = 0; @@ -495,7 +492,7 @@ int doIOForInterfaces(void) registered_IO_add_fds(&fdmax, &rfds, &wfds, &efds); - selret = select(fdmax + 1, &rfds, &wfds, &efds, &tv); + selret = select(fdmax + 1, &rfds, &wfds, &efds, tvp); if (selret < 0 && errno == EINTR) break; @@ -530,6 +527,7 @@ int doIOForInterfaces(void) tv.tv_sec = 0; tv.tv_usec = 0; + tvp = &tv; } return 1; |