File: mem_posix_memalign.c

package info (click to toggle)
gcc-avr 1%3A5.4.0%2BAtmel3.6.2-1
  • links: PTS, VCS
  • area: main
  • in suites: bullseye
  • size: 589,872 kB
  • sloc: ansic: 2,775,581; ada: 756,757; cpp: 723,977; f90: 117,673; asm: 66,898; makefile: 62,755; xml: 44,466; sh: 29,549; exp: 23,315; objc: 15,216; fortran: 10,901; pascal: 4,185; python: 4,093; perl: 2,969; awk: 2,811; ml: 2,385; cs: 879; yacc: 316; lex: 198; haskell: 112; lisp: 8
file content (48 lines) | stat: -rw-r--r-- 598 bytes parent folder | download | duplicates (5) 
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
 
#include <errno.h>

#include "runtime.h"
#include "arch.h"
#include "malloc.h"

void*
runtime_SysAlloc(uintptr n)
{
	void *p;

	mstats.sys += n;
	errno = posix_memalign(&p, PageSize, n);
	if (errno > 0) {
		perror("posix_memalign");
		exit(2);
	}
	return p;
}

void
runtime_SysUnused(void *v, uintptr n)
{
	USED(v);
	USED(n);
	// TODO(rsc): call madvise MADV_DONTNEED
}

void
runtime_SysFree(void *v, uintptr n)
{
	mstats.sys -= n;
	free(v);
}

void*
runtime_SysReserve(void *v, uintptr n)
{
	USED(v);
	return runtime_SysAlloc(n);
}

void
runtime_SysMap(void *v, uintptr n)
{
	USED(v);
	USED(n);
}