AuroraMiddleware/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2025-01-03 08:11:08 +00:00
Code Issues Packages Projects Releases Wiki Activity

Update.

Browse Source 
2003-07-14  Ulrich Drepper  <drepper@redhat.com>

	* sysdeps/unix/sysv/linux/kernel-features.h: Define
	__ASSUME_TGKILL for Alpha appropriately.
This commit is contained in:
Ulrich Drepper 2003-07-14 21:16:43 +00:00
parent 9291eb491f
commit b1b060c341
5 changed files with 36 additions and 7 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
ChangeLog
View File

@ -1,3 +1,8 @@
2003-07-14 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/kernel-features.h: Define
__ASSUME_TGKILL for Alpha appropriately.
2003-07-12 Ulrich Drepper <drepper@redhat.com>
* sysdeps/unix/sysv/linux/bits/statfs.h (_STATFS_F_FRSIZE): Define.

2
sysdeps/unix/sysv/linux/futimes.c
View File

@ -36,7 +36,7 @@ __futimes (int fd, const struct timeval tvp[2])
static const char selffd[] = "/proc/self/fd/";
char fname[sizeof (selffd) + 3 * sizeof (int)];
fname[sizeof (fname) - 1] = '\0';
char *cp = _itoa_word (fd, fname + sizeof (fname) - 1, 10, 0);
char *cp = _itoa_word ((unsigned int) fd, fname + sizeof (fname) - 1, 10, 0);
cp = memcpy (cp - sizeof (selffd) + 1, selffd, sizeof (selffd) - 1);
#ifdef __NR_utimes

13
sysdeps/unix/sysv/linux/kernel-features.h
View File

@ -234,6 +234,12 @@
# define __ASSUME_NEW_PRCTL_SYSCALL 1
#endif
/* Starting with 2.4.21 the PowerPC32 clone syscall works as expected. */
#if __LINUX_KERNEL_VERSION >= (132096+21) && defined __powerpc__ \
&& !defined __powerpc64__
# define __ASSUME_FIXED_CLONE_SYSCALL 1
#endif
/* Starting with 2.4.21 PowerPC64 implements the new rt_sigreturn syscall.
The new rt_sigreturn takes an ucontext pointer allowing rt_sigreturn
to be used in the set/swapcontext implementation. */
@ -341,8 +347,11 @@
# define __ASSUME_CORRECT_SI_PID 1
#endif
/* The tgkill syscall was instroduced for i386 in 2.5.75. */
#if __LINUX_KERNEL_VERSION >= 132427 && defined __i386__
/* The tgkill syscall was instroduced for i386 in 2.5.75. For Alpha
it was introduced in 2.6.0-test1 which unfortunately cannot be
distinguished from 2.6.0. */
#if (__LINUX_KERNEL_VERSION >= 132427 && defined __i386__) \
|| (__LINUX_KERNEL_VERSION >= 132609 && defined __alpha__) \
# define __ASSUME_TGKILL 1
#endif

22
sysdeps/unix/sysv/linux/powerpc/powerpc32/clone.S
View File

@ -20,6 +20,7 @@
#include <sysdep.h>
#define _ERRNO_H 1
#include <bits/errno.h>
#include <kernel-features.h>
#include <bp-sym.h>
#include <bp-asm.h>
@ -44,7 +45,11 @@ ENTRY (BP_SYM (__clone))
/* Set up stack frame for parent. */
stwu r1,-32(r1)
#ifndef __ASSUME_FIXED_CLONE_SYSCALL
stmw r29,16(r1)
#else
stmw r30,16(r1)
#endif
/* Set up stack frame for child. */
clrrwi r4,r4,4
@ -52,8 +57,10 @@ ENTRY (BP_SYM (__clone))
stwu r0,-16(r4)
/* Save fn, args, stack across syscall. */
mr r29,r3 /* Function in r29. */
mr r30,r4 /* Stack pointer in r30. */
mr r30,r3 /* Function in r30. */
#ifndef __ASSUME_FIXED_CLONE_SYSCALL
mr r29,r4 /* Stack pointer in r29. */
#endif
mr r31,r6 /* Argument in r31. */
/* 'flags' argument is first parameter to clone syscall. (The other
@ -73,13 +80,16 @@ ENTRY (BP_SYM (__clone))
crandc cr1*4+eq,cr1*4+eq,cr0*4+so
bne- cr1,L(parent) /* The '-' is to minimise the race. */
#ifndef __ASSUME_FIXED_CLONE_SYSCALL
/* On at least mklinux DR3a5, clone() doesn't actually change
the stack pointer. I'm pretty sure this is a bug, because
it adds a race condition if a signal is sent to a thread
just after it is created (in the previous three instructions). */
mr r1,r30
mr r1,r29
#endif
/* Call procedure. */
mtctr r29
mtctr r30
mr r3,r31
bctrl
/* Call _exit with result from procedure. */
@ -87,7 +97,11 @@ ENTRY (BP_SYM (__clone))
L(parent):
/* Parent. Restore registers & return. */
#ifndef __ASSUME_FIXED_CLONE_SYSCALL
lmw r29,16(r1)
#else
lmw r30,16(r1)
#endif
addi r1,r1,32
bnslr+
b JUMPTARGET(__syscall_error)

1
sysdeps/unix/sysv/linux/utimes.c
View File

@ -20,6 +20,7 @@
#include <stddef.h>
#include <utime.h>
#include <sys/time.h>
#include <sysdep.h>
#include "kernel-features.h"