From 655ee2825121e149a9976e562946892efb20aea1 Mon Sep 17 00:00:00 2001 From: hunt Date: Thu, 7 Apr 2005 21:48:47 +0000 Subject: *** empty log message *** --- runtime/docs/html/alloc_8h-source.html | 85 ---------------------------------- 1 file changed, 85 deletions(-) delete mode 100644 runtime/docs/html/alloc_8h-source.html (limited to 'runtime/docs/html/alloc_8h-source.html') diff --git a/runtime/docs/html/alloc_8h-source.html b/runtime/docs/html/alloc_8h-source.html deleted file mode 100644 index 551deccd..00000000 --- a/runtime/docs/html/alloc_8h-source.html +++ /dev/null @@ -1,85 +0,0 @@ - - -SystemTap: alloc.h Source File - - - -
Main Page | Modules | Data Structures | Directories | File List | Data Fields | Globals | Related Pages
-

alloc.h

Go to the documentation of this file.
00001 /* -*- linux-c -*- */
-00002 /** @file alloc.h
-00003  * @brief Memory allocation functions.
-00004  * @todo Should really be alloc.c for consistency.
-00005  */
-00006 
-00007 enum errorcode { ERR_NONE=0, ERR_NO_MEM };
-00008 enum errorcode _stp_error = ERR_NONE;
-00009 
-00010 /** Allocates memory within a probe.
-00011  * This is used for small allocations from within a running
-00012  * probe where the process cannot sleep. 
-00013  * @param len Number of bytes to allocate.
-00014  * @return a valid pointer on success or NULL on failure.
-00015  * @bug Currently uses kmalloc (GFP_ATOMIC).
-00016  */
-00017 
-00018 void *_stp_alloc(size_t len)
-00019 {
-00020         void *ptr = kmalloc(len, GFP_ATOMIC);
-00021         if (unlikely(ptr == NULL))
-00022                 _stp_error = ERR_NO_MEM;
-00023         return ptr;
-00024 }
-00025 
-00026 /** Allocates and clears memory within a probe.
-00027  * This is used for small allocations from within a running
-00028  * probe where the process cannot sleep. 
-00029  * @param len Number of bytes to allocate.
-00030  * @return a valid pointer on success or NULL on failure.
-00031  * @bug Currently uses kmalloc (GFP_ATOMIC).
-00032  */
-00033 
-00034 void *_stp_calloc(size_t len)
-00035 {
-00036         void *ptr = _stp_alloc(len);
-00037         if (likely(ptr))
-00038                 memset(ptr, 0, len);
-00039         return ptr;
-00040 }
-00041 
-00042 /** Allocates and clears memory outside a probe.
-00043  * This is typically used in the module initialization to
-00044  * allocate new maps, lists, etc.
-00045  * @param len Number of bytes to allocate.
-00046  * @return a valid pointer on success or NULL on failure.
-00047  */
-00048 
-00049 void *_stp_valloc(size_t len)
-00050 {
-00051         void *ptr = vmalloc(len);
-00052         if (likely(ptr))
-00053                 memset(ptr, 0, len);
-00054         else
-00055                 _stp_error = ERR_NO_MEM;
-00056         return ptr;
-00057 }
-00058 
-00059 /** Frees memory allocated by _stp_alloc or _stp_calloc.
-00060  * @param ptr pointer to memory to free
-00061  */
-00062 
-00063 void _stp_free(void *ptr)
-00064 {
-00065         if (likely(ptr))
-00066                 kfree(ptr);
-00067 }
-00068 
-00069 /** Frees memory allocated by _stp_valloc.
-00070  * @param ptr pointer to memory to free
-00071  */
-00072 
-00073 void _stp_vfree(void *ptr)
-00074 {
-00075         if (likely(ptr))
-00076                 vfree(ptr);
-00077 }
-
-- cgit