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| author | kaf24@scramble.cl.cam.ac.uk <kaf24@scramble.cl.cam.ac.uk> | 2005-02-20 03:52:37 +0000 |
|---|---|---|
| committer | kaf24@scramble.cl.cam.ac.uk <kaf24@scramble.cl.cam.ac.uk> | 2005-02-20 03:52:37 +0000 |
| commit | 841d10cf2c15daf42a13e81d310db189815a3f4c (patch) | |
| tree | 5286b153f86f95e5370e8d9420fae874f85f3216 /tools/xentrace/xentrace.c | |
| parent | 3bef71ecbbd4477d46414d4c8a34daf948ab8bb2 (diff) | |
| download | xen-841d10cf2c15daf42a13e81d310db189815a3f4c.tar.gz xen-841d10cf2c15daf42a13e81d310db189815a3f4c.tar.bz2 xen-841d10cf2c15daf42a13e81d310db189815a3f4c.zip | |
bitkeeper revision 1.1229 (42180985F67QALsnFjovJHWiIDEz_A)
Fix return-code checking in tools.
Signed-off-by: Rik van Riel <riel@redhat.com>
Signed-off-by: Keir Fraser <keir@xensource.com>
Diffstat (limited to 'tools/xentrace/xentrace.c')
| -rw-r--r-- | tools/xentrace/xentrace.c | 10 |
1 files changed, 8 insertions, 2 deletions
diff --git a/tools/xentrace/xentrace.c b/tools/xentrace/xentrace.c index 351ecd71a8..2eaa1a1c25 100644 --- a/tools/xentrace/xentrace.c +++ b/tools/xentrace/xentrace.c @@ -77,8 +77,14 @@ struct timespec millis_to_timespec(unsigned long millis) */ void write_rec(unsigned int cpu, struct t_rec *rec, FILE *out) { - fwrite(&cpu, sizeof(cpu), 1, out); - fwrite(rec, sizeof(*rec), 1, out); + size_t written = 0; + written += fwrite(&cpu, sizeof(cpu), 1, out); + written += fwrite(rec, sizeof(*rec), 1, out); + if ( written != 2 ) + { + PERROR("Failed to write trace record"); + exit(EXIT_FAILURE); + } } /** |