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libc: add support for sysconf(_SC_PAGESIZE)

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Fixes #1029.
This commit is contained in:
Josef Söntgen 2014-01-13 15:22:38 +01:00 committed by Norman Feske
parent 6e15d966c7
commit 2e99c19601
1 changed files with 6 additions and 1 deletions
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7
libports/src/lib/libc/sysctl.cc
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@ -37,7 +37,12 @@ extern "C" int __sysctl(int *name, u_int namelen, void *oldp, size_t *oldlenp,
if ((name[0] == CTL_HW) && (name[1] == HW_NCPU))
return -1;
if ((name[0] == CTL_HW) && (name[1] == HW_PAGESIZE)) {
/*
* CTL_P1003_1B is used by sysconf(_SC_PAGESIZE) to determine
* the actual page size.
*/
if (((name[0] == CTL_HW) && (name[1] == HW_PAGESIZE)) ||
(name[0] == CTL_P1003_1B) && (name[1] == CTL_P1003_1B_PAGESIZE)) {
int result = 4096;
if (oldp) {
if (*oldlenp >= sizeof(result)) {