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[Xen-changelog] Check a write() return value in xenbaked.
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| Subject: | [Xen-changelog] Check a write() return value in xenbaked. |
| From: | Xen patchbot -3.0-testing <patchbot-3.0-testing@xxxxxxxxxxxxxxxxxxx> |
| Date: | Thu, 27 Apr 2006 12:30:21 +0000 |
| Delivery-date: | Thu, 27 Apr 2006 05:31:37 -0700 |
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# HG changeset patch
# User kaf24@xxxxxxxxxxxxxxxxxxxx
# Node ID 1d1a994059948396480130af9e2175c148295590
# Parent 490384f7d531e957c7a3ebf3999a124072b0609e
Check a write() return value in xenbaked.
From: Jeremy Katz
Signed-off-by: Keir Fraser <keir@xxxxxxxxxxxxx>
diff -r 490384f7d531 -r 1d1a99405994 tools/xenmon/xenbaked.c
--- a/tools/xenmon/xenbaked.c Thu Apr 27 09:44:28 2006 +0100
+++ b/tools/xenmon/xenbaked.c Thu Apr 27 09:47:42 2006 +0100
@@ -549,7 +549,10 @@ void alloc_qos_data(int ncpu)
for (n=0; n<ncpu; n++) {
for (i=0; i<sizeof(_new_qos_data); i=i+pgsize)
- write(qos_fd, dummy, pgsize);
+ if ((write(qos_fd, dummy, pgsize)) != pgsize) {
+ PERROR(SHARED_MEM_FILE);
+ exit(2);
+ }
new_qos = (_new_qos_data *) mmap(0, sizeof(_new_qos_data),
PROT_READ|PROT_WRITE,
MAP_SHARED, qos_fd, off);
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