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Diffstat (limited to 'sysdep/unix/main.c')
-rw-r--r--sysdep/unix/main.c32
1 files changed, 31 insertions, 1 deletions
diff --git a/sysdep/unix/main.c b/sysdep/unix/main.c
index cdf0a310..7e8ea0dc 100644
--- a/sysdep/unix/main.c
+++ b/sysdep/unix/main.c
@@ -682,7 +682,7 @@ signal_init(void)
* Parsing of command-line arguments
*/
-static char *opt_list = "bc:dD:ps:P:u:g:flRh";
+static char *opt_list = "B:c:dD:ps:P:u:g:flRh";
int parse_and_exit;
char *bird_name;
static char *use_user;
@@ -703,6 +703,7 @@ display_help(void)
fprintf(stderr,
"\n"
"Options: \n"
+ " -B <block-size> Use 2^this number as memory allocation block size (default: 12)\n"
" -c <config-file> Use given configuration file instead of\n"
" " PATH_CONFIG_FILE "\n"
" -d Enable debug messages and run bird in foreground\n"
@@ -789,12 +790,15 @@ get_gid(const char *s)
return gr->gr_gid;
}
+extern _Bool alloc_multipage;
+
static void
parse_args(int argc, char **argv)
{
int config_changed = 0;
int socket_changed = 0;
int c;
+ int bp;
bird_name = get_bird_name(argv[0], "bird");
if (argc == 2)
@@ -807,6 +811,29 @@ parse_args(int argc, char **argv)
while ((c = getopt(argc, argv, opt_list)) >= 0)
switch (c)
{
+ case 'B':
+ bp = atoi(optarg);
+ if (bp < 1)
+ {
+ fprintf(stderr, "Strange block size power %d\n\n", bp);
+ display_usage();
+ exit(1);
+ }
+
+ if ((1 << bp) < page_size)
+ {
+ fprintf(stderr, "Requested block size %ld is lesser than page size %ld\n\n", (1L<<bp), page_size);
+ display_usage();
+ exit(1);
+ }
+
+ if ((1L << bp) > page_size)
+ {
+ alloc_multipage = 1;
+ page_size = (1L << bp);
+ }
+
+ break;
case 'c':
config_name = optarg;
config_changed = 1;
@@ -861,6 +888,8 @@ parse_args(int argc, char **argv)
}
}
+void resource_sys_init(void);
+
/*
* Hic Est main()
*/
@@ -873,6 +902,7 @@ main(int argc, char **argv)
dmalloc_debug(0x2f03d00);
#endif
+ resource_sys_init();
parse_args(argc, argv);
log_switch(1, NULL, NULL);