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apply sebastian's fix for bug 859. Apparently on win32 one must lock at least one byte when locking, but locking a nonexistant byte is okay. )

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svn:r17244
This commit is contained in:
Nick Mathewson 2008-11-11 15:29:40 +00:00
parent d54fbdb531
commit a95e0e7355
2 changed files with 8 additions and 2 deletions
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6
ChangeLog
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@ -1,3 +1,9 @@
Changes in version 0.2.1.8-alpha - 2008-??-??
o Minor bugfixes:
- Get file locking working on win32. Bugfix on 0.2.1.6-alpha. Fixes
bug 859.
Changes in version 0.2.1.7-alpha - 2008-11-08
o Security fixes:
- The "ClientDNSRejectInternalAddresses" config option wasn't being

4
src/common/compat.c
View File

@ -508,7 +508,7 @@ tor_lockfile_lock(const char *filename, int blocking, int *locked_out)
}
#ifdef WIN32
_lseek(fd, 0, SEEK_SET);
if (_locking(fd, blocking ? _LK_LOCK : _LK_NBLCK, 0) < 0) {
if (_locking(fd, blocking ? _LK_LOCK : _LK_NBLCK, 1) < 0) {
if (errno != EDEADLOCK)
log_warn(LD_FS,"Couldn't lock \"%s\": %s", filename, strerror(errno));
else
@ -542,7 +542,7 @@ tor_lockfile_unlock(tor_lockfile_t *lockfile)
log_info(LD_FS, "Unlocking \"%s\"", lockfile->filename);
#ifdef WIN32
_lseek(lockfile->fd, 0, SEEK_SET);
if (_locking(lockfile->fd, _LK_UNLCK, 0) < 0) {
if (_locking(lockfile->fd, _LK_UNLCK, 1) < 0) {
log_warn(LD_FS,"Error unlocking \"%s\": %s", lockfile->filename,
strerror(errno));
}