generic-library/bionic
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

Clean up some misinformation around prctl.

Browse Source 
prctl shouldn't be in <unistd.h>.

Change-Id: I29609fc91c033e1ad143b75d9b4eb17aefbd63d6
This commit is contained in:
Elliott Hughes 2014-07-18 15:55:41 -07:00
parent 3c2b71ad56
commit 9c07aee83b
3 changed files with 4 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
libc/SYSCALLS.TXT
View File

@ -80,9 +80,7 @@ int setpgid(pid_t, pid_t) all
int setregid:setregid32(gid_t, gid_t) arm,x86
int setregid:setregid(gid_t, gid_t) arm64,mips,mips64,x86_64
int chroot(const char*) all
# IMPORTANT: Even though <sys/prctl.h> declares prctl(int, ...), the syscall stub must take 6 arguments
# to match the kernel implementation.
int prctl(int option, unsigned int arg2, unsigned int arg3, unsigned int arg4, unsigned int arg5) all
int prctl(int, unsigned long, unsigned long, unsigned long, unsigned long) all
long __arch_prctl:arch_prctl(int, unsigned long) x86_64
int capget(cap_user_header_t header, cap_user_data_t data) all
int capset(cap_user_header_t header, const cap_user_data_t data) all

10
libc/include/sys/prctl.h
View File

@ -25,20 +25,16 @@
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#ifndef _SYS_PRCTL_H
#define _SYS_PRCTL_H
#include <linux/prctl.h>
#include <sys/cdefs.h>
#include <linux/prctl.h>
__BEGIN_DECLS
/* IMPORTANT NOTE: This function is declared as taking a variable number
* of arguments to match the GLibc definition. However
* its declaration inside SYSCALLS.TXT *must* make it
* take 6 arguments to ensure consistency with the kernel
* implementation.
*/
extern int prctl(int option, ...);
__END_DECLS

3
libc/include/unistd.h
View File

@ -71,9 +71,6 @@ extern int execl(const char *, const char *, ...);
extern int execlp(const char *, const char *, ...);
extern int execle(const char *, const char *, ...);
/* IMPORTANT: See comment under <sys/prctl.h> about this declaration */
extern int prctl(int option, ...);
extern int nice(int);
extern int setuid(uid_t);