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[src/trunk]: src/sys/rump/net/lib/libshmif add -h which prints only the bus h...
details: https://anonhg.NetBSD.org/src/rev/d9654d424df6
branches: trunk
changeset: 758801:d9654d424df6
user: pooka <pooka%NetBSD.org@localhost>
date: Mon Nov 15 22:45:23 2010 +0000
description:
add -h which prints only the bus header info
diffstat:
sys/rump/net/lib/libshmif/dumpbus.c | 17 ++++++++++++-----
1 files changed, 12 insertions(+), 5 deletions(-)
diffs (57 lines):
diff -r d5ca3a1e518d -r d9654d424df6 sys/rump/net/lib/libshmif/dumpbus.c
--- a/sys/rump/net/lib/libshmif/dumpbus.c Mon Nov 15 22:42:36 2010 +0000
+++ b/sys/rump/net/lib/libshmif/dumpbus.c Mon Nov 15 22:45:23 2010 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: dumpbus.c,v 1.8 2010/08/13 11:45:47 pooka Exp $ */
+/* $NetBSD: dumpbus.c,v 1.9 2010/11/15 22:45:23 pooka Exp $ */
/*
* Little utility to convert shmif bus traffic to a pcap file
@@ -26,7 +26,7 @@
usage(void)
{
- fprintf(stderr, "usage: a.out [-p pcapfile] buspath\n");
+ fprintf(stderr, "usage: a.out [-h] [-p pcapfile] buspath\n");
exit(1);
}
@@ -42,9 +42,13 @@
int fd, pfd, i, ch;
int bonus;
char *buf;
+ bool hflag = false;
- while ((ch = getopt(argc, argv, "p:")) != -1) {
+ while ((ch = getopt(argc, argv, "hp:")) != -1) {
switch (ch) {
+ case 'h':
+ hflag = true;
+ break;
case 'p':
pcapfile = optarg;
break;
@@ -70,11 +74,11 @@
if (fstat(fd, &sb) == -1)
err(1, "stat");
- busmem = mmap(NULL, sb.st_size, PROT_READ, MAP_FILE, fd, 0);
+ busmem = mmap(NULL, sb.st_size, PROT_READ, MAP_FILE|MAP_SHARED, fd, 0);
if (busmem == MAP_FAILED)
err(1, "mmap");
+ bmem = busmem;
- bmem = busmem;
if (bmem->shm_magic != SHMIF_MAGIC)
errx(1, "%s not a shmif bus", argv[0]);
if (bmem->shm_version != SHMIF_VERSION)
@@ -85,6 +89,9 @@
bmem->shm_version, bmem->shm_lock, bmem->shm_gen,
bmem->shm_first, bmem->shm_last);
+ if (hflag)
+ exit(0);
+
if (pcapfile) {
struct pcap_file_header phdr;
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