X-Git-Url: https://git.exim.org/users/jgh/exim.git/blobdiff_plain/9c19b270ead379003ece51fb49b83e7ea8b2d25e..c1cea16d93da8e47aa0d29e79d9b854cf2c50951:/src/OS/os.h-GNU

diff --git a/src/OS/os.h-GNU b/src/OS/os.h-GNU
index 44993163d..1de2e3e84 100644
--- a/src/OS/os.h-GNU
+++ b/src/OS/os.h-GNU
@@ -20,4 +20,8 @@ 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
+
 /* End */