util-linux/util-linux-2.20-ipcs-32bit.patch
Karel Zak 16cfb1591e 2.20.0.2: upgrade to -rc2
Signed-off-by: Karel Zak <kzak@redhat.com>
2011-08-17 11:44:15 +02:00

51 lines
1.6 KiB
Diff

diff -up util-linux-2.20-rc2/sys-utils/ipcs.c.kzak util-linux-2.20-rc2/sys-utils/ipcs.c
--- util-linux-2.20-rc2/sys-utils/ipcs.c.kzak 2011-08-12 11:13:00.000000000 +0200
+++ util-linux-2.20-rc2/sys-utils/ipcs.c 2011-08-17 01:16:23.629928605 +0200
@@ -255,6 +255,28 @@ print_perms (int id, struct ipc_perm *ip
}
+static unsigned long long
+shminfo_from_proc(const char *name, unsigned long def)
+{
+ char path[256];
+ char buf[64];
+ FILE *f;
+ unsigned long long res = def;
+
+ if (!name)
+ return res;
+
+ snprintf(path, sizeof(path), "/proc/sys/kernel/%s", name);
+
+ if (!(f = fopen(path, "r")))
+ return res;
+ if (fgets(buf, sizeof(buf), f))
+ res = atoll(buf);
+ fclose(f);
+ return res;
+}
+
+
void do_shm (char format)
{
int maxid, shmid, id;
@@ -277,12 +299,12 @@ void do_shm (char format)
return;
/* glibc 2.1.3 and all earlier libc's have ints as fields
of struct shminfo; glibc 2.1.91 has unsigned long; ach */
- printf (_("max number of segments = %lu\n"),
- (unsigned long) shminfo.shmmni);
- printf (_("max seg size (kbytes) = %lu\n"),
- (unsigned long) (shminfo.shmmax >> 10));
+ printf (_("max number of segments = %llu\n"),
+ shminfo_from_proc("shmmni", shminfo.shmmni));
+ printf (_("max seg size (kbytes) = %llu\n"),
+ (shminfo_from_proc("shmmax", shminfo.shmmax) >> 10));
printf (_("max total shared memory (kbytes) = %llu\n"),
- getpagesize() / 1024 * (unsigned long long) shminfo.shmall);
+ getpagesize() / 1024 * shminfo_from_proc("shmall", shminfo.shmall));
printf (_("min seg size (bytes) = %lu\n"),
(unsigned long) shminfo.shmmin);
return;