X-Git-Url: http://git.tuebingen.mpg.de/?p=paraslash.git;a=blobdiff_plain;f=fd.c;h=c48f1fef175708331706594f51d54e6d69d0662f;hp=5db30b63fd9ed62148b8d04390ec8456826337a3;hb=e57d2b9211bb734b71838142a7936fe6dfdc449c;hpb=f2a7b00cf72104a38733b7bf3add9fb19dd71c93

diff --git a/fd.c b/fd.c
index 5db30b63..c48f1fef 100644
--- a/fd.c
+++ b/fd.c
@@ -1,4 +1,5 @@
 #include "para.h"
+#include "error.h"
 /**
  * check whether a file exists
  *
@@ -12,3 +13,27 @@ int file_exists(const char *fn)
 
 	return !stat(fn, &statbuf);
 }
+
+int para_select(int n, fd_set *readfds, fd_set *writefds,
+		struct timeval *timeout)
+{
+	int ret, err;
+	do {
+		ret = select(n, readfds, writefds, NULL, timeout);
+		err = errno;
+	} while (ret < 0 && errno == EINTR);
+	if (ret < 0)
+		PARA_CRIT_LOG("select error (%s)\n", strerror(err));
+	return ret;
+}
+
+int mark_fd_nonblock(int fd)
+{
+	int flags = fcntl(fd, F_GETFL);
+	if (flags < 0)
+		return -E_F_GETFL;
+	if (fcntl(fd, F_SETFL, ((long)flags) | O_NONBLOCK) < 0)
+		return -E_F_SETFL;
+	return 1;
+}
+