github/linuxkit
1
0
Fork 0
mirror of https://github.com/linuxkit/linuxkit.git synced 2025-07-28 04:58:32 +00:00
Code Issues Projects Releases Wiki Activity

transfused: add trace logging error checking

Browse Source
This commit is contained in:
David Sheets 2016-02-11 15:14:54 +00:00
parent 71fa8711ec
commit c830c22335
1 changed files with 15 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

19
alpine/packages/transfused/transfused.c
View File

@ -118,11 +118,22 @@ void copy(copy_thread_state * copy_state) {
int trace_fd; int trace_fd;
char * trace_path; char * trace_path;
// TODO: check for errors if (asprintf(&trace_path, "/tmp/transfused.%ld.%s.%llu",
asprintf(&trace_path, "/tmp/transfused.%ld.%s.%llu", connection, tag, message_id(buf)) == -1)
connection, tag, message_id(buf)); die(1, "", "Couldn't allocate trace packet path");
trace_fd = open(trace_path, O_WRONLY | O_CREAT, 0600); trace_fd = open(trace_path, O_WRONLY | O_CREAT, 0600);
write(trace_fd, buf, read_count); if (read_fd == -1)
die(1, "couldn't open trace packet path", "For %s, ", descr);
write_count = write(trace_fd, buf, read_count);
if (write_count == -1)
die(1, "", "copy %s trace: error writing %s: ", descr, trace_path);
if (write_count != read_count)
die(1, NULL, "copy %s trace: read %d but only write %d\n",
descr, read_count, write_count);
close(trace_fd); close(trace_fd);
free(trace_path); free(trace_path);
} }