X-Git-Url: http://nsz.repo.hu/git/?a=blobdiff_plain;f=src%2Ffcntl%2Ffcntl.c;h=fb7806a3dd4848f11d9866d585c77578126b49a2;hb=caec662217fc13cda95dc88b20d5c7a75e483ca6;hp=ab0ebecf32d06051aa5aa3245d920e3db70385ad;hpb=aa398f56fa398f2202b04e82c67f822f3233786f;p=musl

diff --git a/src/fcntl/fcntl.c b/src/fcntl/fcntl.c
index ab0ebecf..fb7806a3 100644
--- a/src/fcntl/fcntl.c
+++ b/src/fcntl/fcntl.c
@@ -1,22 +1,26 @@
+#define _GNU_SOURCE
 #include <fcntl.h>
 #include <unistd.h>
 #include <stdarg.h>
+#include <errno.h>
 #include "syscall.h"
 #include "libc.h"
 
 int fcntl(int fd, int cmd, ...)
 {
-	int r;
 	long arg;
 	va_list ap;
 	va_start(ap, cmd);
 	arg = va_arg(ap, long);
 	va_end(ap);
 	if (cmd == F_SETFL) arg |= O_LARGEFILE;
-	if (cmd == F_SETLKW) CANCELPT_BEGIN;
-	r = syscall(SYS_fcntl, fd, cmd, arg);
-	if (cmd == F_SETLKW) CANCELPT_END;
-	return r;
+	if (cmd == F_SETLKW) return syscall_cp(SYS_fcntl, fd, cmd, arg);
+	if (cmd == F_GETOWN) {
+		struct f_owner_ex ex;
+		int ret = __syscall(SYS_fcntl, fd, F_GETOWN_EX, &ex);
+		if (ret == -EINVAL) return __syscall(SYS_fcntl, fd, cmd, arg);
+		if (ret) return __syscall_ret(ret);
+		return ex.type == F_OWNER_PGRP ? -ex.pid : ex.pid;
+	}
+	return syscall(SYS_fcntl, fd, cmd, arg);
 }
-
-LFS64(fcntl);