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author | Ulrich Sibiller <uli42@gmx.de> | 2020-01-18 22:32:07 +0100 |
---|---|---|
committer | Mike Gabriel <mike.gabriel@das-netzwerkteam.de> | 2020-05-07 14:57:15 +0200 |
commit | 91925d70d901b180fffa1f40e0afafbc4b6c560e (patch) | |
tree | 9e63f6bc81018edede1f9b97fecabaa8d67e369b /nx-X11/programs/Xserver | |
parent | cf461c367d9e2f77896a485f3f6ad5b89a2fc7e2 (diff) | |
download | nx-libs-91925d70d901b180fffa1f40e0afafbc4b6c560e.tar.gz nx-libs-91925d70d901b180fffa1f40e0afafbc4b6c560e.tar.bz2 nx-libs-91925d70d901b180fffa1f40e0afafbc4b6c560e.zip |
Clarify use of and need for mffs vs. ffs
Backport of this xorg-xserver commit:
commit 75c51c67b340548286efd41a53882e2acaf74ab5
Author: Alan Coopersmith <alan.coopersmith@sun.com>
Date: Thu Jun 18 09:49:12 2009 -0700
Clarify use of and need for mffs vs. ffs
Signed-off-by: Alan Coopersmith <alan.coopersmith@sun.com>
Diffstat (limited to 'nx-X11/programs/Xserver')
-rw-r--r-- | nx-X11/programs/Xserver/os/WaitFor.c | 4 | ||||
-rw-r--r-- | nx-X11/programs/Xserver/os/connection.c | 2 | ||||
-rw-r--r-- | nx-X11/programs/Xserver/os/osdep.h | 2 |
3 files changed, 5 insertions, 3 deletions
diff --git a/nx-X11/programs/Xserver/os/WaitFor.c b/nx-X11/programs/Xserver/os/WaitFor.c index 3d53335b3..82462b926 100644 --- a/nx-X11/programs/Xserver/os/WaitFor.c +++ b/nx-X11/programs/Xserver/os/WaitFor.c @@ -106,6 +106,8 @@ static unsigned long startTimeInMillis; Windows in the code */ #define GetErrno() errno +/* 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) @@ -480,7 +482,7 @@ WaitForSomething(int *pClientsReady) { int 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))]; pClientsReady[nready++] = client_index; diff --git a/nx-X11/programs/Xserver/os/connection.c b/nx-X11/programs/Xserver/os/connection.c index 8ebef9c33..4d30dd86f 100644 --- a/nx-X11/programs/Xserver/os/connection.c +++ b/nx-X11/programs/Xserver/os/connection.c @@ -908,7 +908,7 @@ 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/nx-X11/programs/Xserver/os/osdep.h b/nx-X11/programs/Xserver/os/osdep.h index 5985cfef2..e106c5544 100644 --- a/nx-X11/programs/Xserver/os/osdep.h +++ b/nx-X11/programs/Xserver/os/osdep.h @@ -218,7 +218,7 @@ extern OsCommPtr AvailableInput; extern WorkQueuePtr workQueue; -/* added by raphael */ +/* in WaitFor.c */ #define ffs mffs extern int mffs(fd_mask); |