X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=fd.c;h=c5a37cdd2a4e5c28437df2fbbf3b44b313ac0636;hp=f5d326c044d4e9b08aec613b25845a9e074aa3ea;hb=e19276003c9158fceccae4d7e626cabb2fb5b0dd;hpb=7062b8a307355422f2c69b44b65f23eab17ce15d

diff --git a/fd.c b/fd.c
index f5d326c0..c5a37cdd 100644
--- a/fd.c
+++ b/fd.c
@@ -20,6 +20,7 @@
 
 #include "para.h"
 
+#include <fcntl.h>
 #include <sys/select.h>
 
 #include "error.h"
@@ -84,3 +85,18 @@ int mark_fd_nonblock(int fd)
 	return 1;
 }
 
+/**
+ * set a file descriptor in a fd_set
+ *
+ * \param fd the file descriptor to be set
+ * \param fds the file descriptor set
+ * \param max_fileno highest-numbered file descriptor
+ *
+ * This wrapper for FD_SET() passes its first two arguments to \p FD_SET. Upon
+ * return, \a max_fileno contains the maximum of the old_value and \a fd.
+*/
+void para_fd_set(int fd, fd_set *fds, int *max_fileno)
+{
+	FD_SET(fd, fds);
+	*max_fileno = PARA_MAX(*max_fileno, fd);
+}