Add support for unix { coredump-size <size> }.

Use setrlimit to set the core size limit if the argument is passed to
vpp.

Change-Id: Ie76c082b2af81337310fcb1925af915a42067f15
Signed-off-by: Klement Sekera <ksekera@cisco.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/src/vlib/unix/main.c b/src/vlib/unix/main.c
index a04d9f9c..6b96cc0d 100644
--- a/src/vlib/unix/main.c
+++ b/src/vlib/unix/main.c
@@ -46,6 +46,8 @@
 #include <sys/types.h>
 #include <sys/stat.h>
 #include <fcntl.h>
+#include <sys/time.h>
+#include <sys/resource.h>
 
 /** Default CLI pager limit is not configured in startup.conf */
 #define UNIX_CLI_DEFAULT_PAGER_LIMIT 100000
@@ -340,6 +342,26 @@ unix_config (vlib_main_t * vm, unformat_input_t * input)
       else
 	if (unformat (input, "cli-history-limit %d", &um->cli_history_limit))
 	;
+      else if (unformat (input, "coredump-size"))
+	{
+	  uword coredump_size = 0;
+	  if (unformat (input, "unlimited"))
+	    {
+	      coredump_size = RLIM_INFINITY;
+	    }
+	  else
+	    if (!unformat (input, "%U", unformat_memory_size, &coredump_size))
+	    {
+	      return clib_error_return (0,
+					"invalid coredump-size parameter `%U'",
+					format_unformat_error, input);
+	    }
+	  const struct rlimit new_limit = { coredump_size, coredump_size };
+	  if (0 != setrlimit (RLIMIT_CORE, &new_limit))
+	    {
+	      clib_unix_warning ("prlimit() failed");
+	    }
+	}
       else if (unformat (input, "full-coredump"))
 	{
 	  int fd;