hugetlb_setup_env will be called first during init. All environment
variable parsing should happen in this function with values being saved
for lateer use.
Signed-off-by: Eric B Munson <[EMAIL PROTECTED]>
---
Changes from V1: Rebase to libhuge 2.1
hugeutils.c | 11 +++++++++++
init.c | 1 +
libhugetlbfs_internal.h | 7 +++++++
3 files changed, 19 insertions(+), 0 deletions(-)
diff --git a/hugeutils.c b/hugeutils.c
index f8526d2..b83de12 100644
--- a/hugeutils.c
+++ b/hugeutils.c
@@ -48,6 +48,8 @@
#include "libhugetlbfs_internal.h"
#include "hugetlbfs.h"
+struct libhugeopts_t __hugetlb_opts;
+
static int hugepagesize_errno; /* = 0 */
#define MAX_HPAGE_SIZES 10
@@ -228,6 +230,15 @@ int file_write_ulong(char *file, unsigned long val)
}
/*
+ * Reads the contents of hugetlb environment variables and save their
+ * values for later use.
+ */
+void hugetlbfs_setup_env()
+{
+
+}
+
+/*
* Pool counters are typically exposed in sysfs in modern kernels, the
* counters for the default page size are exposed in procfs in all kernels
* supporting hugepages. Given a specific counter (e.g. HUGEPAGES_RSVD)
diff --git a/init.c b/init.c
index f9cd804..794e03c 100644
--- a/init.c
+++ b/init.c
@@ -21,6 +21,7 @@
static void __attribute__ ((constructor)) setup_libhugetlbfs(void)
{
+ hugetlbfs_setup_env();
hugetlbfs_setup_debug();
setup_mounts();
setup_features();
diff --git a/libhugetlbfs_internal.h b/libhugetlbfs_internal.h
index fb283f2..bb86e7d 100644
--- a/libhugetlbfs_internal.h
+++ b/libhugetlbfs_internal.h
@@ -55,6 +55,9 @@
#define SLICE_HIGH_SHIFT 63
#endif
+struct libhugeopts_t {
+};
+
/*
* When adding a library local variable externalise the symbol as
* normal, plus add a #define of the form below. This define effectively
@@ -70,6 +73,8 @@ extern int __hugetlbfs_verbose;
extern int __hugetlbfs_debug;
#define __hugetlbfs_prefault __lh___hugetlbfs_prefault
extern int __hugetlbfs_prefault;
+#define hugetlbfs_setup_env __lh_hugetlbfs_setup_env
+extern void hugetlbfs_setup_env();
#define hugetlbfs_setup_elflink __lh_hugetlbfs_setup_elflink
extern void hugetlbfs_setup_elflink();
#define hugetlbfs_setup_morecore __lh_hugetlbfs_setup_morecore
@@ -86,6 +91,8 @@ extern char __hugetlbfs_hostname[];
extern int hugetlbfs_prefault(int fd, void *addr, size_t length);
#define parse_page_size __lh_parse_page_size
extern long parse_page_size(const char *str);
+#define __hugetlb_opts __lh__hugetlb_opts
+extern struct libhugeopts_t __hugetlb_opts;
#ifndef REPORT_UTIL
#define REPORT_UTIL "libhugetlbfs"
--
1.6.0.3
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