Attachment 36438 Details for Bug 28691 – Proposed patch

[patch] Proposed patch

xfs-fix-segaults.patch (text/plain), 2.82 KB, created by Olivier Fourdan on 2010-06-23 06:27:09 UTC

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Creator: Olivier Fourdan

Created: 2010-06-23 06:27:09 UTC

Size: 2.82 KB

patch

obsolete

>diff --git a/os/connection.c b/os/connection.c
>index bc35a60..68bdf43 100644
>--- a/os/connection.c
>+++ b/os/connection.c
>@@ -122,6 +122,7 @@ int	       	*ListenTransFds = NULL;
> int		ListenTransCount;
> 
> 
>+extern int  xfd_ffs (fd_mask);
> static void error_conn_max(XtransConnInfo trans_conn);
> static void close_fd(OsCommPtr oc);
> 
>@@ -316,7 +318,7 @@ MakeNewConnections(void)
> 	XtransConnInfo trans_conn, new_trans_conn;
> 	int status;
> 
>-	curconn = ffs(readyconnections) - 1;
>+	curconn = xfd_ffs(readyconnections) - 1;
> 	readyconnections &= ~(1 << curconn);
> 
> 	if ((trans_conn = lookup_trans_conn (curconn)) == NULL)
>@@ -454,7 +456,7 @@ CheckConnections(void)
>     XFD_COPYSET(&AllClients, &mask);
>     for (i = 0; i < howmany(XFD_SETSIZE, NFDBITS); i++) {
> 	while (mask.fds_bits[i]) {
>-	    curclient = ffs(mask.fds_bits[i]) - 1 + (i << 5);
>+	    curclient = xfd_ffs(mask.fds_bits[i]) - 1 + (i * (sizeof(fd_mask) * 8));
> 	    FD_ZERO(&tmask);
> 	    FD_SET(curclient, &tmask);
> 	    r = Select(curclient + 1, &tmask, NULL, NULL, &notime);
>diff --git a/os/io.c b/os/io.c
>index 13c7fe4..8d9659a 100644
>--- a/os/io.c
>+++ b/os/io.c
>@@ -86,6 +86,7 @@ static ConnectionInputPtr FreeInputs = (ConnectionInputPtr) NULL;
> static ConnectionOutputPtr FreeOutputs = (ConnectionOutputPtr) NULL;
> static OsCommPtr AvailableInput = (OsCommPtr) NULL;
> 
>+extern int xfd_ffs(fd_mask);
> static ConnectionInputPtr AllocateInputBuffer(void);
> static ConnectionOutputPtr AllocateOutputBuffer(void);
> 
>@@ -524,9 +525,9 @@ FlushAllOutput(void)
> 	mask = OutputPending.fds_bits[base];
> 	OutputPending.fds_bits[base] = 0;
> 	while (mask) {
>-	    index = ffs(mask) - 1;
>+	    index = xfd_ffs(mask) - 1;
> 	    mask &= ~lowbit(mask);
>-	    if ((index = ConnectionTranslation[(base << 5) + index]) == 0)
>+	    if ((index = ConnectionTranslation[(base * (sizeof(fd_mask) * 8)) + index]) == 0)
> 		continue;
> 	    client = clients[index];
> 	    if (client->clientGone == CLIENT_GONE)
>diff --git a/os/waitfor.c b/os/waitfor.c
>index 1a29a97..4e80eba 100644
>--- a/os/waitfor.c
>+++ b/os/waitfor.c
>@@ -67,10 +67,12 @@ in this Software without prior written authorization from The Open Group.
> #endif
> 
> long        LastReapTime;
>+int         xfd_ffs(fd_mask);
>+
> 
> /* 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 */
>-static inline int
>+int
> xfd_ffs(fd_mask mask)
> {
>     int i;
>@@ -195,7 +197,7 @@ WaitForSomething(int *pClientsReady)
> 	for (i = 0; i < howmany(XFD_SETSIZE, NFDBITS); i++) {
> 	    while (clientsReadable.fds_bits[i]) {
> 		curclient = xfd_ffs(clientsReadable.fds_bits[i]) - 1;
>-		conn = ConnectionTranslation[curclient + (i << 5)];
>+		conn = ConnectionTranslation[curclient + (i * (sizeof(fd_mask) * 8))];
> 		clientsReadable.fds_bits[i] &= ~(((fd_mask)1L) << curclient);
> 		client = clients[conn];
> 		if (!client)

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