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Diffstat (limited to 'procfs')
-rw-r--r--procfs/rootdir.c44
1 files changed, 32 insertions, 12 deletions
diff --git a/procfs/rootdir.c b/procfs/rootdir.c
index 8e7c6595..748805e7 100644
--- a/procfs/rootdir.c
+++ b/procfs/rootdir.c
@@ -272,27 +272,37 @@ rootdir_gc_meminfo (void *hook, char **contents, ssize_t *contents_len)
struct vm_statistics vmstats;
struct vm_cache_statistics cache_stats;
default_pager_info_t swap;
+ FILE *m;
error_t err;
+ m = open_memstream (contents, (size_t *) contents_len);
+ if (m == NULL)
+ {
+ err = ENOMEM;
+ goto out;
+ }
+
err = vm_statistics (mach_task_self (), &vmstats);
if (err)
- return EIO;
+ {
+ err = EIO;
+ goto out;
+ }
err = vm_cache_statistics (mach_task_self (), &cache_stats);
if (err)
- return EIO;
+ {
+ err = EIO;
+ goto out;
+ }
cnt = HOST_BASIC_INFO_COUNT;
err = host_info (mach_host_self (), HOST_BASIC_INFO, (host_info_t) &hbi, &cnt);
if (err)
- return err;
-
- err = get_swapinfo (&swap);
- if (err)
- return err;
+ goto out;
assert (cnt == HOST_BASIC_INFO_COUNT);
- *contents_len = asprintf (contents,
+ fprintf (m,
"MemTotal: %14lu kB\n"
"MemFree: %14lu kB\n"
"Buffers: %14lu kB\n"
@@ -300,8 +310,6 @@ rootdir_gc_meminfo (void *hook, char **contents, ssize_t *contents_len)
"Active: %14lu kB\n"
"Inactive: %14lu kB\n"
"Mlocked: %14lu kB\n"
- "SwapTotal:%14lu kB\n"
- "SwapFree: %14lu kB\n"
,
(long unsigned) hbi.memory_size / 1024,
(long unsigned) vmstats.free_count * PAGE_SIZE / 1024,
@@ -309,11 +317,23 @@ rootdir_gc_meminfo (void *hook, char **contents, ssize_t *contents_len)
(long unsigned) cache_stats.cache_count * PAGE_SIZE / 1024,
(long unsigned) vmstats.active_count * PAGE_SIZE / 1024,
(long unsigned) vmstats.inactive_count * PAGE_SIZE / 1024,
- (long unsigned) vmstats.wire_count * PAGE_SIZE / 1024,
+ (long unsigned) vmstats.wire_count * PAGE_SIZE / 1024);
+
+ err = get_swapinfo (&swap);
+ if (err)
+ /* This is not fatal, we just omit the information. */
+ err = 0;
+ else
+ fprintf (m,
+ "SwapTotal:%14lu kB\n"
+ "SwapFree: %14lu kB\n"
+ ,
(long unsigned) swap.dpi_total_space / 1024,
(long unsigned) swap.dpi_free_space / 1024);
- return 0;
+ out:
+ fclose (m);
+ return err;
}
static error_t