shared: introduce os_fd_clear_cloexec()

[src/agl-compositor.git] / shared / os-compatibility.c

diff --git a/shared/os-compatibility.c b/shared/os-compatibility.c
index 4bf7d81..681a544 100644 (file)
--- a/shared/os-compatibility.c
+++ b/shared/os-compatibility.c
@@ -403,3 +403,18 @@ os_ro_anonymous_file_put_fd(int fd)
 
        return 0;
 }
+
+int
+os_fd_clear_cloexec(int fd)
+{
+       int flags;
+
+       flags = fcntl(fd, F_GETFD);
+       if (flags == -1)
+               return -1;
+
+       if (fcntl(fd, F_SETFD, flags & ~(int)FD_CLOEXEC) == -1)
+               return -1;
+
+       return 0;
+}