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set file mode atomically

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git-svn-id: https://ceph.svn.sf.net/svnroot/ceph@1884 29311d96-e01e-0410-9327-a35deaab8ce9
This commit is contained in:
sageweil 2007-10-04 21:28:27 +00:00
parent 716cd84cd1
commit 7b0315e84d
1 changed files with 2 additions and 6 deletions
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8
branches/sage/mds/mon/MonitorStore.cc
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@ -109,9 +109,8 @@ void MonitorStore::put_int(version_t val, const char *a, const char *b)
char tfn[200];
sprintf(tfn, "%s.new", fn);
int fd = ::open(tfn, O_WRONLY|O_CREAT);
int fd = ::open(tfn, O_WRONLY|O_CREAT, 0644);
assert(fd > 0);
::fchmod(fd, 0644);
::write(fd, vs, strlen(vs));
::close(fd);
::rename(tfn, fn);
@ -201,12 +200,9 @@ int MonitorStore::put_bl_ss(bufferlist& bl, const char *a, const char *b)
char tfn[200];
sprintf(tfn, "%s.new", fn);
int fd = ::open(tfn, O_WRONLY|O_CREAT);
int fd = ::open(tfn, O_WRONLY|O_CREAT, 0644);
assert(fd);
// chmod
::fchmod(fd, 0644);
// write data
for (list<bufferptr>::const_iterator it = bl.buffers().begin();
it != bl.buffers().end();