diff options
Diffstat (limited to 'libc/sysdeps/linux/common/syscalls.c')
| -rw-r--r-- | libc/sysdeps/linux/common/syscalls.c | 88 |
1 files changed, 17 insertions, 71 deletions
diff --git a/libc/sysdeps/linux/common/syscalls.c b/libc/sysdeps/linux/common/syscalls.c index 1b63c3dba..4acd0401c 100644 --- a/libc/sysdeps/linux/common/syscalls.c +++ b/libc/sysdeps/linux/common/syscalls.c @@ -22,18 +22,23 @@ * */ +#define _GNU_SOURCE +#define _LARGEFILE64_SOURCE #include <features.h> +#undef __OPTIMIZE__ +/* We absolutely do _NOT_ want interfaces silently + * * * renamed under us or very bad things will happen... */ +#ifdef __USE_FILE_OFFSET64 +# undef __USE_FILE_OFFSET64 +#endif + #include <errno.h> #include <sys/types.h> #include <sys/syscall.h> + //#define __NR_exit 1 -#ifdef L__exit -/* Do not include unistd.h, so gcc doesn't whine about - * _exit returning. It really doesn't return... */ -#define __NR__exit __NR_exit -_syscall1(void, _exit, int, status); -#endif +//See _exit.c //#define __NR_fork 2 #ifdef L___libc_fork @@ -150,23 +155,7 @@ time_t time (time_t *t) #endif //#define __NR_mknod 14 -#ifdef L_mknod -#include <unistd.h> -extern int mknod(const char *pathname, mode_t mode, dev_t dev); -_syscall3(int, mknod, const char *, pathname, mode_t, mode, dev_t, dev); - -int __xmknod (int version, const char * path, mode_t mode, dev_t *dev) -{ - switch(version) - { - case 1: - return mknod (path, mode, *dev); - default: - __set_errno(EINVAL); - return -1; - } -} -#endif +//See mknod.c //#define __NR_chmod 15 #ifdef L_chmod @@ -198,10 +187,6 @@ _syscall3(int, lchown, const char *, path, uid_t, owner, gid_t, group); #define __NR___libc_lseek __NR_lseek _syscall3(__off_t, __libc_lseek, int, fildes, __off_t, offset, int, whence); weak_alias(__libc_lseek, lseek) -#ifndef __NR__llseek -weak_alias(__libc_lseek, llseek) -weak_alias(__libc_lseek, lseek64) -#endif #endif //#define __NR_getpid 20 @@ -231,20 +216,7 @@ _syscall1(int, umount, const char *, specialfile); #endif //#define __NR_setuid 23 -#ifdef L___setuid -#define __NR___setuid __NR_setuid -#include <unistd.h> -static inline -_syscall1(int, __setuid, uid_t, uid); -int setuid(uid_t uid) -{ - if (uid == (uid_t) ~0) { - __set_errno (EINVAL); - return -1; - } - return(__setuid(uid)); -} -#endif +// See setuid.c //#define __NR_getuid 24 #ifdef L_getuid @@ -422,10 +394,7 @@ int nice (int incr) //#define __NR_ftime 35 //#define __NR_sync 36 -#ifdef L_sync -#include <unistd.h> -_syscall0(void, sync); -#endif +//See sync.c //#define __NR_kill 37 #ifdef L_kill @@ -723,8 +692,8 @@ int setrlimit (__rlimit_resource_t resource, const struct rlimit *rlimits) #else /* We don't need to wrap setrlimit */ #ifdef L_setrlimit #include <unistd.h> -#include <sys/resource.h> -_syscall2(int, setrlimit, int, resource, const struct rlimit *, rlim); +struct rlimit; +_syscall2(int, setrlimit, unsigned int, resource, const struct rlimit *, rlim); #endif #endif /* __NR_setrlimit */ @@ -1240,30 +1209,7 @@ _syscall1(int, setfsgid, gid_t, gid); #endif //#define __NR__llseek 140 -#ifdef L__llseek -#ifdef __UCLIBC_HAVE_LFS__ -#ifdef __NR__llseek -extern int _llseek(int fd, __off_t offset_hi, __off_t offset_lo, - __loff_t *result, int whence); - -_syscall5(int, _llseek, int, fd, __off_t, offset_hi, __off_t, offset_lo, - __loff_t *, result, int, whence); - -__loff_t __libc_lseek64(int fd, __loff_t offset, int whence) -{ - int ret; - __loff_t result; - - ret = _llseek(fd, __LONG_LONG_PAIR((__off_t) (offset >> 32), - (__off_t) (offset & 0xffffffff)), &result, whence); - - return ret ? (__loff_t) ret : result; -} -weak_alias(__libc_lseek64, llseek); -weak_alias(__libc_lseek64, lseek64); -#endif -#endif -#endif +//See llseek.c //#define __NR_getdents 141 #ifdef L_getdents |