diff options
Diffstat (limited to 'runtime/alloc.c')
| -rw-r--r-- | runtime/alloc.c | 19 |
1 files changed, 12 insertions, 7 deletions
diff --git a/runtime/alloc.c b/runtime/alloc.c index 480484d3..c9fb8354 100644 --- a/runtime/alloc.c +++ b/runtime/alloc.c @@ -1,4 +1,13 @@ -#ifndef _ALLOC_C_ /* -*- linux-c -*- */ +/* Memory allocation functions + * Copyright (C) 2005 Red Hat Inc. + * + * This file is part of systemtap, and is free software. You can + * redistribute it and/or modify it under the terms of the GNU General + * Public License (GPL); either version 2, or (at your option) any + * later version. + */ + +#ifndef _ALLOC_C_ #define _ALLOC_C_ /** @file alloc.c @@ -9,13 +18,9 @@ * that memory allocation errors will call a handler. The default will * send a signal to the user-space daemon that will trigger the module to * be unloaded. - * @todo Need error handling for memory allocations * @{ */ -enum errorcode { ERR_NONE=0, ERR_NO_MEM }; -enum errorcode _stp_error = ERR_NONE; - /** Allocates memory within a probe. * This is used for small allocations from within a running * probe where the process cannot sleep. @@ -28,7 +33,7 @@ void *_stp_alloc(size_t len) { void *ptr = kmalloc(len, GFP_ATOMIC); if (unlikely(ptr == NULL)) - _stp_error = ERR_NO_MEM; + _stp_error("_stp_alloc failed.\n"); return ptr; } @@ -61,7 +66,7 @@ void *_stp_valloc(size_t len) if (likely(ptr)) memset(ptr, 0, len); else - _stp_error = ERR_NO_MEM; + _stp_error("_stp_valloc failed.\n"); return ptr; } |