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| author | kaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk> | 2006-04-27 09:47:05 +0100 |
|---|---|---|
| committer | kaf24@firebug.cl.cam.ac.uk <kaf24@firebug.cl.cam.ac.uk> | 2006-04-27 09:47:05 +0100 |
| commit | 067abcc94959473c9b2e6f6085bc225481f6d238 (patch) | |
| tree | 58c7d8e82f69208487f92953443809cccdfb83fa /tools/xenmon | |
| parent | c7e3f5818f210bc404194d093dcd6ca1f377ccd4 (diff) | |
| download | xen-067abcc94959473c9b2e6f6085bc225481f6d238.tar.gz xen-067abcc94959473c9b2e6f6085bc225481f6d238.tar.bz2 xen-067abcc94959473c9b2e6f6085bc225481f6d238.zip | |
Check a write() return value in xenbaked.
From: Jeremy Katz
Signed-off-by: Keir Fraser <keir@xensource.com>
Diffstat (limited to 'tools/xenmon')
| -rw-r--r-- | tools/xenmon/xenbaked.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/xenmon/xenbaked.c b/tools/xenmon/xenbaked.c index 876be1d68e..41db7def3a 100644 --- a/tools/xenmon/xenbaked.c +++ b/tools/xenmon/xenbaked.c @@ -677,7 +677,10 @@ 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); |