diff options
| author | Alan Coopersmith <alan.coopersmith@sun.com> | 2009-06-18 09:49:12 -0700 |
|---|---|---|
| committer | Alan Coopersmith <alan.coopersmith@sun.com> | 2009-06-18 09:49:19 -0700 |
| commit | 75c51c67b340548286efd41a53882e2acaf74ab5 (patch) | |
| tree | 64819b635355465fb1b7f6b1b4b0dc44a7d7870a /os | |
| parent | 128cd03eecacc6d5c5903d59a11966dcf3697bf1 (diff) | |
Clarify use of and need for mffs vs. ffs
Signed-off-by: Alan Coopersmith <alan.coopersmith@sun.com>
Diffstat (limited to 'os')
| -rw-r--r-- | os/WaitFor.c | 4 | ||||
| -rw-r--r-- | os/connection.c | 4 | ||||
| -rw-r--r-- | os/osdep.h | 2 |
3 files changed, 6 insertions, 4 deletions
diff --git a/os/WaitFor.c b/os/WaitFor.c index 9a204c7a7..4b5952565 100644 --- a/os/WaitFor.c +++ b/os/WaitFor.c @@ -92,6 +92,8 @@ SOFTWARE. #define GetErrno() errno #endif +/* like ffs, but uses fd_mask instead of int as argument, so it works + when fd_mask is longer than an int, such as common 64-bit platforms */ /* modifications by raphael */ int mffs(fd_mask mask) @@ -336,7 +338,7 @@ WaitForSomething(int *pClientsReady) { int client_priority, client_index; - curclient = ffs (clientsReadable.fds_bits[i]) - 1; + curclient = mffs (clientsReadable.fds_bits[i]) - 1; client_index = /* raphael: modified */ ConnectionTranslation[curclient + (i * (sizeof(fd_mask) * 8))]; #else diff --git a/os/connection.c b/os/connection.c index 0c72b67eb..3ff93bbb6 100644 --- a/os/connection.c +++ b/os/connection.c @@ -827,7 +827,7 @@ EstablishNewConnections(ClientPtr clientUnused, pointer closure) int status; #ifndef WIN32 - curconn = ffs (readyconnections.fds_bits[i]) - 1; + curconn = mffs (readyconnections.fds_bits[i]) - 1; readyconnections.fds_bits[i] &= ~((fd_mask)1 << curconn); curconn += (i * (sizeof(fd_mask)*8)); #else @@ -992,7 +992,7 @@ CheckConnections(void) mask = AllClients.fds_bits[i]; while (mask) { - curoff = ffs (mask) - 1; + curoff = mffs (mask) - 1; curclient = curoff + (i * (sizeof(fd_mask)*8)); FD_ZERO(&tmask); FD_SET(curclient, &tmask); diff --git a/os/osdep.h b/os/osdep.h index e719f9a70..b0d30e9ee 100644 --- a/os/osdep.h +++ b/os/osdep.h @@ -204,7 +204,7 @@ extern Bool AnyClientsWriteBlocked; extern WorkQueuePtr workQueue; -/* added by raphael */ +/* in WaitFor.c */ #ifdef WIN32 typedef long int fd_mask; #endif |