Added lockf() call
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@ -181,7 +181,51 @@ fcntl_flock(self, args)
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return None;
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}
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/* lockf(fd, operation) */
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static object *
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fcntl_lockf(self, args)
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object *self; /* Not used */
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object *args;
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{
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int fd, code, len = 0, start = 0, whence = 0, ret;
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FILE *f;
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if (!PyArg_ParseTuple(args, "ii|iii", &fd, &code, &len,
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&start, &whence))
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return NULL;
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BGN_SAVE
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#ifndef LOCK_SH
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#define LOCK_SH 1 /* shared lock */
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#define LOCK_EX 2 /* exclusive lock */
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#define LOCK_NB 4 /* don't block when locking */
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#define LOCK_UN 8 /* unlock */
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#endif
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{
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struct flock l;
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if (code == LOCK_UN)
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l.l_type = F_UNLCK;
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else if (code & LOCK_SH)
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l.l_type = F_RDLCK;
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else if (code & LOCK_EX)
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l.l_type = F_WRLCK;
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else {
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err_setstr(ValueError, "unrecognized flock argument");
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return NULL;
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}
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l.l_len = len;
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l.l_start = start;
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l.l_whence = whence;
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ret = fcntl(fd, (code & LOCK_NB) ? F_SETLK : F_SETLKW, &l);
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}
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END_SAVE
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if (ret < 0) {
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err_errno(IOError);
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return NULL;
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}
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INCREF(None);
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return None;
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}
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/* List of functions */
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@ -189,6 +233,7 @@ static struct methodlist fcntl_methods[] = {
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{"fcntl", fcntl_fcntl},
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{"ioctl", fcntl_ioctl},
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{"flock", fcntl_flock},
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{"lockf", fcntl_lockf, 1},
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{NULL, NULL} /* sentinel */
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};
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