GNU/Hurd: retry EINTR returns from pipe I/O

[exim.git] / src / OS / os.h-GNU

diff --git a/src/OS/os.h-GNU b/src/OS/os.h-GNU
index 44993163d319da42686679b02a7be987a2741ff2..772d278addf5315ac5341103952a361f0c01b0f9 100644 (file)
--- a/src/OS/os.h-GNU
+++ b/src/OS/os.h-GNU
@@ -20,4 +20,12 @@ typedef struct flock flock_t;
 /* default is non-const */
 #define ICONV_ARG2_TYPE const char **
 
+/* setgroups(0, NULL) succeeds, and drops the gid group
+as well as any supplementary groups */
+#define OS_SETGROUPS_ZERO_DROPS_ALL
+
+/* reads and writes on pipes frequently return EINTR.  We provide
+a routine to retry that */
+#define OS_PIPE_RW_EINTR
+
 /* End */