libk  Diff

Differences From Artifact [6a14dc9781]:

• File kmem/heapf.fn.c — part of check-in [a8d93823f1] at 2019-08-18 13:42:35 on branch trunk — add functions, generate C syscall table (user: lexi, size: 1401) [annotate] [blame] [check-ins using]

To Artifact [3d67513f54]:

• File kmem/heapf.fn.c — part of check-in [f85e6a07dd] at 2019-08-20 22:54:49 on branch trunk — reorganize posix assembly code (user: lexi, size: 1488) [annotate] [blame] [check-ins using]
• File mod/kmem/heapf.fn.c — part of check-in [14172a910a] at 2019-08-21 06:00:24 on branch trunk — move modules to a subdirectory in order to keep the directory tree organized and make room for OS-specific build files (user: lexi, size: 1488) [annotate] [blame] [check-ins using]

     1      1   #include <k/mem.h>
     2      2   #include <k/core.h>
     3      3   #include <k/def.h>
     4      4   #include <k/type.h>
     5         -#include <posix.h>
     6      5   /* heapf.c - kmheapf() "heap free"
     7      6    * ~ lexi hale <lexi@hale.su>
     8      7    * kmheapf() frees a region on the heap à la libc free()
     9      8    * see also: kmheapa() "heap alloc"
    10      9    */
    11     10   
    12         -/* we define all platform functions here,
    13         - * whether or not they're for the correct
    14         - * platform - only the ones actually called
    15         - * by the generated code will be linked,
    16         - * linker errors are our friend here! */
           11  +/* arch specific headers */
           12  +#ifdef KFenv_posix
           13  +#	include <posix/posix.h>
           14  +#endif
           15  +
           16  +/* we define all our platform functions here, whether or not
           17  + * they're for the correct platform - only the ones that are
           18  + * called by the preprocessed form of the code will actually
           19  + * be linked, linker errors are our friend here! */
    17     20   extern int kmem_platform_munmap(void* addr, unsigned long sz);
    18     21   
    19     22   kmcond kmheapf(void* ptr) {
    20     23   	/* take an object allocated on the heap and free it,
    21     24   	 * returning kmcond_ok on success or an appropriate
    22     25   	 * value on failure. */
    23     26   	struct kmbox* header = (kmbox*)
................................................................................
    34     37   		if(kmem_platform_munmap(header, total) == -1) {
    35     38   			/* we don't need to bother recovering errno;
    36     39   			 * there's only one possible munmap error */
    37     40   			return kmcond_bad_address;
    38     41   		}
    39     42   
    40     43   #	else
    41         -		Knoimpl(kmheapa,KVos);
           44  +		Knoimpl(kmheapf,KVos);
    42     45   #		error missing implementation
    43     46   #	endif
    44     47   	return kmcond_ok;
    45     48   }