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1999-12-01  Andreas Jaeger  <aj@suse.de>

	* sysdeps/generic/if_index.c (__protocol_available): Add missing
	int for parameter.

	* stdio/stdio.h: Fix typo.
	Patches by Marcus G. Daniels <mgd@santafe.edu>.

1999-12-01  Andreas Jaeger  <aj@suse.de>

	* scripts/test-installation.pl (installation_problem): Filter out
	libpthread_db.

1999-12-01  Andreas Schwab  <schwab@suse.de>

	* sysdeps/unix/sysv/linux/alpha/bits/types.h: Fix signedness of
	__rlim_t and __rlim64_t.
	* sysdeps/unix/sysv/linux/mips/bits/types.h: Likewise.
	* sysdeps/unix/sysv/linux/sparc/bits/types.h: Likewise.

1999-12-01  Andreas Schwab  <schwab@suse.de>

	* sysdeps/unix/sysv/linux/Makefile (sysdep_routines): Add
	oldgetrlimit64 and oldsetrlimit64 for subdir = resource.
	* sysdeps/unix/sysv/linux/Versions: Add getrlimit, setrlimit,
	getrlimit64 and setrlimit64 to version GLIBC_2.1.3.
	* sysdeps/unix/sysv/linux/setrlimit.c: Correct handling of old and
	new kernel version.  Add symbol versions.
	* sysdeps/unix/sysv/linux/syscalls.list: Add oldsetrlimit and
	oldgetrlimit.
	* sysdeps/unix/sysv/linux/alpha/syscalls.list: Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/syscalls.list: Likewise.
	* sysdeps/unix/sysv/linux/powerpc/syscalls.list: Add s_getrlimit
	and s_ugetrlimit.
	* sysdeps/unix/sysv/linux/sparc/sparc32/syscalls.list: Likewise.
	* sysdeps/unix/sysv/linux/getrlimit.c: New file.
	* sysdeps/unix/sysv/linux/getrlimit64.c: New file.
	* sysdeps/unix/sysv/linux/oldgetrlimit64.c: New file.
	* sysdeps/unix/sysv/linux/oldsetrlimit64.c: New file.
	* sysdeps/unix/sysv/linux/setrlimit64.c: New file.
	* sysdeps/unix/sysv/linux/alpha/oldgetrlimit64.c: New file.
	* sysdeps/unix/sysv/linux/alpha/oldsetrlimit64.c: New file.
	* sysdeps/unix/sysv/linux/sparc/sparc64/oldgetrlimit64.c: New
	file.
	* sysdeps/unix/sysv/linux/sparc/sparc64/oldsetrlimit64.c: New
	file.
This commit is contained in:
Ulrich Drepper
1999-12-02 08:21:38 +00:00
parent e099035591
commit d7a4856e5d
30 changed files with 396 additions and 116 deletions
Download Patch File Download Diff File Expand all files Collapse all files

67
sysdeps/unix/sysv/linux/setrlimit.c
View File

@ -27,52 +27,67 @@
extern int __syscall_setrlimit (unsigned int resource,
const struct rlimit *rlimits);
extern int __syscall_ugetrlimit (unsigned int resource,
const struct rlimit *rlimits);
/* Linux 2.3.25 introduced a new system call since the types used for
the limits are now unsigned. */
#if !defined __ASSUME_NEW_GETRLIMIT_SYSCALL && defined __NR_ugetrlimit
static int no_new_getrlimit;
#else
# define no_new_getrlimit 0
#if defined __NR_ugetrlimit && !defined __ASSUME_NEW_GETRLIMIT_SYSCALL
extern int __have_no_new_getrlimit; /* from getrlimit.c */
#endif
int
__setrlimit (resource, rlimits)
enum __rlimit_resource resource;
const struct rlimit *rlimits;
__new_setrlimit (enum __rlimit_resource resource, const struct rlimit *rlimits)
{
#ifndef __ASSUME_NEW_GETRLIMIT_SYSCALL
#ifdef __ASSUME_NEW_GETRLIMIT_SYSCALL
return INLINE_SYSCALL (setrlimit, 2, resource, rlimits);
#else
struct rlimit rlimits_small;
#endif
#ifdef __NR_ugetrlimit
if (! no_new_getrlimit)
# ifdef __NR_ugetrlimit
if (__have_no_new_getrlimit <= 0)
{
int result = INLINE_SYSCALL (setrlimit, 2, resource, rlimits);
# ifndef __ASSUME_NEW_GETRLIMIT_SYSCALL
/* If the system call is available return. */
if (result != -1 || errno != ENOSYS)
# endif
/* Return if the values are not out of range or if we positively
know that the ugetrlimit system call exists. */
if (result != -1 || errno != EINVAL || __have_no_new_getrlimit < 0)
return result;
# ifndef __ASSUME_NEW_GETRLIMIT_SYSCALL
/* Remember that the system call is not available. */
no_new_getrlimit = 1;
# endif
/* Check if the new ugetrlimit syscall exists. */
if (INLINE_SYSCALL (ugetrlimit, 2, resource, &rlimits_small) != -1
|| errno != ENOSYS)
{
/* There was some other error, probably RESOURCE out of range.
Remember that the ugetrlimit system call really exists. */
__have_no_new_getrlimit = -1;
/* Restore previous errno value. */
__set_errno (EINVAL);
return result;
}
/* Remember that the kernel uses the old interface. */
__have_no_new_getrlimit = 1;
}
#endif
# endif
#ifndef __ASSUME_NEW_GETRLIMIT_SYSCALL
/* We might have to correct the limits values. Since the old values
were signed the new values are too large. */
were signed the new values might be too large. */
rlimits_small.rlim_cur = MIN ((unsigned long int) rlimits->rlim_cur,
RLIM_INFINITY >> 2);
RLIM_INFINITY >> 1);
rlimits_small.rlim_max = MIN ((unsigned long int) rlimits->rlim_max,
RLIM_INFINITY >> 2);
RLIM_INFINITY >> 1);
/* Fall back on the old system call. */
/* Try again with the adjusted values. */
return INLINE_SYSCALL (setrlimit, 2, resource, &rlimits_small);
#endif
}
weak_alias (__setrlimit, setrlimit)
#if defined PIC && DO_VERSIONING
default_symbol_version (__new_setrlimit, __setrlimit, GLIBC_2.1.3);
strong_alias (__new_setrlimit, _new_setrlimit);
default_symbol_version (_new_setrlimit, setrlimit, GLIBC_2.1.3);
#else
weak_alias (__new_setrlimit, __setrlimit);
weak_alias (__new_setrlimit, setrlimit);
#endif