diff options
Diffstat (limited to 'usr/src/lib/libumem/common/envvar.c')
| -rw-r--r-- | usr/src/lib/libumem/common/envvar.c | 38 |
1 files changed, 36 insertions, 2 deletions
diff --git a/usr/src/lib/libumem/common/envvar.c b/usr/src/lib/libumem/common/envvar.c index 949d33ce16..fc3d490a01 100644 --- a/usr/src/lib/libumem/common/envvar.c +++ b/usr/src/lib/libumem/common/envvar.c @@ -22,10 +22,9 @@ /* * Copyright 2008 Sun Microsystems, Inc. All rights reserved. * Use is subject to license terms. + * Copyright 2012 Joyent, Inc. All rights reserved. */ -#pragma ident "%Z%%M% %I% %E% SMI" - #include <ctype.h> #include <errno.h> #include <limits.h> @@ -84,6 +83,7 @@ typedef struct umem_env_item { #ifndef UMEM_STANDALONE static arg_process_t umem_backend_process; +static arg_process_t umem_allocator_process; #endif static arg_process_t umem_log_process; @@ -100,6 +100,11 @@ static umem_env_item_t umem_options_items[] = { NULL, 0, NULL, NULL, &umem_backend_process }, + { "allocator", "Evolving", ITEM_SPECIAL, + "=best, =first, =next, or =instant", + NULL, 0, NULL, NULL, + &umem_allocator_process + }, #endif { "concurrency", "Private", ITEM_UINT, @@ -473,6 +478,35 @@ fail: CURRENT, name, name, name); return (ARG_BAD); } + + +static int +umem_allocator_process(const umem_env_item_t *item, const char *item_arg) +{ + const char *name = item->item_name; + + if (item_arg == NULL) + goto fail; + + if (strcmp(item_arg, "best") == 0) + vmem_allocator = VM_BESTFIT; + else if (strcmp(item_arg, "next") == 0) + vmem_allocator = VM_NEXTFIT; + else if (strcmp(item_arg, "first") == 0) + vmem_allocator = VM_FIRSTFIT; + else if (strcmp(item_arg, "instant") == 0) + vmem_allocator = 0; + else + goto fail; + + return (ARG_SUCCESS); + +fail: + log_message("%s: %s: must be %s=best, %s=next or %s=first\n", + CURRENT, name, name, name, name); + return (ARG_BAD); + +} #endif static int |