generic-library/bionic
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sysconf(3) returns long.

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On LP32, this makes no difference. Not an ABI change.

On LP64, results are going to be in %rax or x0 whether they're 32- or 64-bit,
and the only difference is going to be whether the top bits are clobbered.

Bug: 18390956
Change-Id: I0bd4496231bdded34c1fa03e895021ac0df7f8e1
This commit is contained in:
Elliott Hughes 2014-11-14 15:14:44 -08:00
parent cdcef73a23
commit 60d84af172
3 changed files with 3 additions and 3 deletions
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2
libc/bionic/sysconf.cpp
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@ -149,7 +149,7 @@ static int __sysconf_monotonic_clock() {
return (rc == -1) ? -1 : _POSIX_VERSION; return (rc == -1) ? -1 : _POSIX_VERSION;
} }
int sysconf(int name) { long sysconf(int name) {
switch (name) { switch (name) {
case _SC_ARG_MAX: return _POSIX_ARG_MAX; case _SC_ARG_MAX: return _POSIX_ARG_MAX;
case _SC_CHILD_MAX: return CHILD_MAX; case _SC_CHILD_MAX: return CHILD_MAX;

2
libc/include/sys/sysconf.h
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@ -129,7 +129,7 @@ __BEGIN_DECLS
#define _SC_AVPHYS_PAGES 0x0063 #define _SC_AVPHYS_PAGES 0x0063
#define _SC_MONOTONIC_CLOCK 0x0064 #define _SC_MONOTONIC_CLOCK 0x0064
extern int sysconf(int name); long sysconf(int);
__END_DECLS __END_DECLS

2
libc/include/unistd.h
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@ -202,7 +202,7 @@ extern int acct(const char* filepath);
int getpagesize(void); int getpagesize(void);
extern int sysconf(int name); long sysconf(int);
extern int daemon(int, int); extern int daemon(int, int);