1998-03-10 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* sysdeps/posix/mkstemp.c (mkstemp): Open temporary file mode
0600. Reported by Greg Alexander <galexand@sietch.bloomington.in.us>.
1998-03-09 08:21 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/unix/sysv/linux/chown.c: Moved to ...
* sysdeps/unix/sysv/linux/i386/chown.c: ...here.
* sysdeps/unix/sysv/linux/i386/chown.c: Correct versioning information.
* libc.map: Add chown to GLIBC_2.1.
* sysdeps/unix/sysv/linux/i386/syscalls.list: Add s_chown here.
* sysdeps/unix/sysv/linux/syscalls.list: Remove s_chown here.
1998-03-06 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/generic/ffs.S: Rename function to __ffs and make ffs a
weak alias.
* sysdeps/alpha/ffs.c: Likewise.
* sysdeps/am29k/ffs.c: Likewise.
* sysdeps/i386/ffs.c: Likewise.
* sysdeps/i960/ffs.c: Likewise.
* sysdeps/m68k/ffs.c: Likewise.
* sysdeps/m88k/ffs.c: Likewise.
* sysdeps/powerpc/ffs.c: Likewise.
* sysdeps/rs6000/ffs.c: Likewise.
* sysdeps/vax/ffs.s: Likewise.
* string/string.h: Declare __ffs.
* libc.map: Export it.
* elf/dl-profile.c (_dl_start_profile): Use __ffs instead of
__builtin_ffs, which is not guaranteed to be namespace clean.
1998-03-06 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* elf/sprof.c: Rewrite symbol handling to use the normal symbol
table, which is much more likely to exist than debugging symbols.
(printsym): Remove const.
(load_shobj): Don't use _dl_pagesize. Fix mapping of section
header table.
* libc.map: Export __profile_frequency, used by elf/sprof, to
avoid infinite recursion during startup.
1998-03-09 12:16 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
1998-03-08 Ulrich Drepper <drepper@cygnus.com>
* elf/rtld.c (process_envvars): Also recognize LD_LIBRARY_PATH,
LD_PRELOAD, and LD_VERBOSE.
(dl_main): Use global variables set by process_envvars instead of
calling getenv.
* elf/dl-load.c (_dl_init_paths): Don't call getenv to get
LD_LIBRARY_PATH value, this comes with the parameter.
1998-03-08 22:55 Ulrich Drepper <drepper@cygnus.com>
* elf/rtld.c (dl_main): Delay initialization of path structure if
the dynamically linker is invoked implicitly until we read the
dynamic section.
1998-03-07 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* sysdeps/unix/sysv/linux/chown.c: New file for compatibility of
Linux 2.0 and 2.1.
* sysdeps/unix/sysv/linux/syscalls.list: Add chown.
1998-03-08 14:58 Ulrich Drepper <drepper@cygnus.com>
* Makeconfig (nisobjdir): Set to path to nis directory.
(rpath-link): Add nisobjdir.
Patch by Sven Verdoolaege <skimo@kotnet.org>.
* elf/Makefile: Pretty print.
* elf/dl-lookup.c: Include unistd.h.
* elf/dl-runtime.c: Likewise.
* localedata/Makefile (test-srcs): Add tst-rpmatch.
(distribute): Add tst-rpmatch.sh.
(tests): Add tst-rpmatch to dependency list and run tst-rpmatch.sh.
New tests for rpmatch function by
Jochen Hein <jochen.hein@delphi.central.de>.
* localedata/tst-rpmatch.c: New file.
* localedata/tst-rpmatch.sh: New file.
* localedata/locales/de_DE: Correct yesexpr and noexpr.
* localedata/locales/de_AT: Likewise.
* posix/getopt.c: Update contact address.
* posix/getopt1.c: Pretty print.
* sysdeps/generic/libc-start.c: Do most of the initialization now
here instead of in start.S.
* sysdeps/unix/sysv/linux/libc-start.c: Likewise.
* sysdeps/i386/elf/start.S: Remove most of the initialization code.
* sysdeps/unix/sysv/linux/i386/profil-counter.h: No need for
profil_counter to be public.
1998-03-08 13:06 Tim Waugh <tim@cyberelk.demon.co.uk>
* posix/wordexp.c (parse_arith): Now works for negative numbers too.
(parse_param): Coded parameter length expansion (${#var}).
(parse_param): Handling for "=", "+", "-", and the ":" versions added.
(parse_param): Cleaned up (fixed) error handling.
* posix/wordexp-test.c: IFS now includes non-whitespace character
(comma). Added more tests.
1998-03-06 17:04 Ulrich Drepper <drepper@cygnus.com>
* libc.map: Add _dl_debug_impcalls, _dl_debug_fd, _dl_sysdep_output,
__libc_start_main.
* csu/Makefile (routines): Add libc-start.
* elf/dl-error.c: Remove declaration of _dl_argv. Include <unitsd.h>.
* elf/dl-lookup.c: Likewise.
* elf/dl-version.c: Likewise.
* sysdeps/i386/dl-machine.h: Likewise.
* elf/link.h: Declare _dl_argv, _dl_debug_fd.
Declare _dl_sysdep_output. Make _dl_sysdep_fatal, _dl_sysdep_error and
_dl_sysdep_message macros which use _dl_sysdep_output.
* elf/dl-fini.c: Write out which destructor is called while debugging.
* elf/dl-init.c: Likewise for constructor.
* elf/dl-load.c: Use _dl_debug_message instead of _dl_sysdep_message.
* elf/dl-misc.c: Remove _dl_sysdep_fatal, _dl_sysdep_error and
_dl_sysdep_message. Add _dl_sysdep_output.
* elf/rtld.c: Recognize LD_DEBUG_OUTPUT. Set _dl_debug_fd if
this file can be opened.
For LD_DEBUG=libs also set _dl_debug_impcalls.
* sysdeps/generic/dl-cache.c: Include unistd.h.
* sysdeps/generic/libc-start.c: New file.
* sysdeps/i386/elf/start.S: Don't call main directly, call
* sysdeps/unix/sysv/linux/libc-start.c: New file.
__libc_start_main instead.
* elf/Makefile ($(objpfx)ld.so): Add $(load-map-file) as dependency.
1998-03-06 12:42 Ulrich Drepper <drepper@cygnus.com>
* argp/argp.h (struct argp): Add new field domain.
* argp/argp-help.c: Change all gettext calls to dgettext and use
domain field from appropriate argp in call.
* argp/argp-parse.c: Likewise.
1998-03-06 11:35 Ulrich Drepper <drepper@cygnus.com>
* posix/wordexp-test.c: Change testsuite so that it can run even
for ~root != /root.
1998-03-06 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* math/libm-test.c (catanh_test): Change epsilon for gcc 2.8.1.
1998-03-05 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/unix/sysv/linux/i386/sysdep.h (SYSCALL_ERROR_HANDLER):
Don't store into global errno if we already store through
__errno_location.
* sysdeps/unix/i386/sysdep.S: Likewise.
* sysdeps/unix/alpha/sysdep.S: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/brk.S: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/clone.S: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/sysdep.h: Likewise. Add
missing return to SYSCALL_ERROR_HANDLER for (!_LIBC_REENTRANT &&
PIC).
1998-03-05 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/generic/sysdep.h (L): Remove definition.
* sysdeps/i386/sysdep.h (L): Define it here instead.
1998-03-05 Thorsten Kukuk <kukuk@vt.uni-paderborn.de>
* nss/getXXbyYY_r.c: Check __nss_not_use_nscd_* variable for
running nscd.
* nscd/nscd_getgr_r.c: Set __nss_not_use_nscd_group variable.
* nscd/nscd_getpw_r.c: Set __nss_not_use_nscd_passwd variable.
* nscd/nscd_proto.h: Declare __nss_not_use_nscd_* variables.
1998-03-05 Ulrich Drepper <drepper@cygnus.com>
* posix/Makefile (tests): Add wordexp-test.
* posix/wordexp-test.c: New file. Testsuite for wrodexp.
Patches by Tim Waugh <tim@cyberelk.demon.co.uk>.
1998-03-05 16:04 Ulrich Drepper <drepper@cygnus.com>
* elf/Makefile ($(objpfx)rtldtbl.h): Add genrtldtbl.awk to the
dependencies.
* elf/link.h (struct r_search_path_elem): Add two new field for
lib path debugging.
* elf/rtld.c: Recognize LD_DEBUG environment variable and set
variable accordingly.
* elf/dl-load.c: If _dl_debug_libs is nonzero print what library
is considered next along with information about load paths.
* sysdeps/generic/dl-cache.c: Likewise.
* elf/dl-support.c: Define _dl_debug_libs.
* elf/genrtldtbl.awk: Add initializers for two new field in
struct r_search_path_elem.
1998-03-06 10:40 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/m68k/lshift.S: Likewise.
* sysdeps/m68k/rshift.S: Likewise.
* sysdeps/m68k/sub_n.S: Likewise.
* sysdeps/m68k/m68020/addmul_1.S: Likewise.
* sysdeps/m68k/m68020/mul_1.S: Likewise.
* sysdeps/m68k/m68020/submul_1.S: Likewise.
* sysdeps/unix/sysv/linux/m68k/sysdep.S: Use ENTRY macro.
[_LIBC_REENTRANT]: Don't store into global errno.
* sysdeps/m68k/sysdep.h: New file.
* sysdeps/unix/sysv/linux/m68k/sysdep.h: Use it. Use the macros
ENTRY, CALL_MCOUNT, JUMPTARGET and syscall_error from there.
(DO_CALL): Change to expect syscall name as argument.
(PSEUDO): Pass syscall_name to DO_CALL.
(SYSCALL_ERROR_HANDLER) [_LIBC_REENTRANT]: Don't store into global
errno.
Fri Mar 6 10:40:30 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/m68k/add_n.S: Use ENTRY and END macros.
* sysdeps/m68k/lshift.S: Likewise.
* sysdeps/m68k/rshift.S: Likewise.
* sysdeps/m68k/sub_n.S: Likewise.
* sysdeps/m68k/m68020/addmul_1.S: Likewise.
* sysdeps/m68k/m68020/mul_1.S: Likewise.
* sysdeps/m68k/m68020/submul_1.S: Likewise.
* sysdeps/unix/sysv/linux/m68k/sysdep.S: Use ENTRY macro.
[_LIBC_REENTRANT]: Don't store into global errno.
* sysdeps/m68k/sysdep.h: New file.
* sysdeps/unix/sysv/linux/m68k/sysdep.h: Use it. Use the macros
ENTRY, CALL_MCOUNT, JUMPTARGET and syscall_error from there.
(DO_CALL): Change to expect syscall name as argument.
(PSEUDO): Pass syscall_name to DO_CALL.
(SYSCALL_ERROR_HANDLER) [_LIBC_REENTRANT]: Don't store into global
errno.
1998-03-05 Ulrich Drepper <drepper@cygnus.com>
* elf/rtld.c: Speed up processing of environment variables. Do
only one run on the environment by avoiding to call getenv.
* sysdeps/generic/dl-sysdep.c (_dl_next_ld_env_entry): New
function. Used by patch above.
1998-03-05 10:25 Ulrich Drepper <drepper@cygnus.com>
* nss/getXXbyYY_r.c: Don't try to contact nscd every time when it
failed. Only do this every NSS_NSCD_RETRY times.
* nss/nsswitch.c: Define __nss_nscd_not_available, used by above
change.
* nscd/nscd_getgr_r.c (__nscd_getgr_r): Return 2 if contacting the
daemon failed.
* nscd/nscd_getpw_r.c (__nscd_getpw_r): Likewise.
1998-03-05 Ulrich Drepper <drepper@cygnus.com>
* nss/nsswitch.c (nss_lookup_function): Don't modify errno if NSS
module cannot be found. Reported by Andreas Jaeger.
1998-03-05 11:40 Franz Sirl <Franz.Sirl-kernel@lauterbach.com>
* nscd/nscd_getgr_r.c: Change char to int to avoid compiler warning
on platforms which default to unsigned chars.
* nscd/nscd_getpw_r.c: Likewise.
* sysdeps/unix/sysv/linux/powerpc/sysdep.h: Undefine L before
defining it.
1998-03-05 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* elf/Makefile (install-bin): Change = to += for sprof to install
ldd also.
1998-03-04 09:43 Ulrich Drepper <drepper@cygnus.com>
* elf/link.h (struct link_map): Add new field l_reloc_result.
* elf/dl-reloc.c (_dl_relocate_object): Allocate array for results
of relocation for the object to be profiled.
* elf/dl-object.c (_dl_new_object): Initialize l_reloc_result field
to NULL.
* elf/rtld.c (_dl_start): Add comment that we must not allocate an
array here.
* elf/dl-runtime.c (profile_fixup): If l_reloc_result array already
contains a result from a previous run use this instead of computing
the value again.
* elf/dl-minimal.c (malloc): Remove limit for size of allocation.
1998-03-04 11:32 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
offsets into the GOT.
(RTLD_START): Likewise.
Wed Mar 4 11:32:01 1998 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/m68k/dl-machine.h: (elf_machine_load_address): Use word
offsets into the GOT.
(RTLD_START): Likewise.
1998-03-02 17:55 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/i386/add_n.S: Change to use ENTRY and END macro.
* sysdeps/i386/addmul_1.S: Likewise.
* sysdeps/i386/lshift.S: Likewise.
* sysdeps/i386/mul_1.S: Likewise.
* sysdeps/i386/rshift.S: Likewise.
* sysdeps/i386/sub_n.S: Likewise.
* sysdeps/i386/submul_1.S: Likewise.
* sysdeps/i386/i586/add_n.S: Likewise.
* sysdeps/i386/i586/addmul_1.S: Likewise.
* sysdeps/i386/i586/lshift.S: Likewise.
* sysdeps/i386/i586/mul_1.S: Likewise.
* sysdeps/i386/i586/rshift.S: Likewise.
* sysdeps/i386/i586/sub_n.S: Likewise.
* sysdeps/i386/i586/submul_1.S: Likewise.
* sysdeps/i386/sysdep.h: Extend last change.
* sysdeps/unix/sysv/linux/i386/sysdep.h: Follow Intel's advice
to have only one exit point for functions.
1998-03-02 Ulrich Drepper <drepper@cygnus.com>
* configure.in: Fix msgfmt test. Fix handling of //s in sysdeps
search.
1998-03-02 13:28 Ulrich Drepper <drepper@cygnus.com>
* Makerules: Generate libc.so with absolute paths for the used
shared objects.
* config.make.in: Add MAKEINFO definition.
1998-03-02 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/i386/sysdep.h (ASM_SIZE_DIRECTIVE): Add ; at the end.
(ENTRY): Use STABS_FUN.
(END): Use STABS_FUN_END.
(STABS_FUN, STABS_FUN2, STABS_FUN_END): New macro to emit stabs info.
* elf/Makefile: Add rules to build sprof program.
* elf/sprof.c: New file.
1998-02-28 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* misc/syslog.c (openlog_internal): Insert missing closing brace.
1998-02-06 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* configure.in: Check for working msgfmt version (from GNU gettext
0.10 or later).
1998-03-02 Ulrich Drepper <drepper@cygnus.com>
* configure.in: Avoid //s in sysdirs.
Patch by Roland McGrath.
* stdlib/a64l.c (a64l): Rewrite by Joe Keane <jgk@jgk.org>.
1998-03-02 07:17 H.J. Lu <hjl@gnu.org>
* elf/dl-open.c (_dl_open): Update _dl_global_scope_end when
setting _dl_global_scope for RTLD_GLOBAL.
1998-02-27 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/unix/make-syscalls.sh: Fix last change so that all
possible lists of object-suffixes are taken care of.
1998-03-02 10:16 Ulrich Drepper <drepper@cygnus.com>
* timezone/private.h: Update from tzcode1998c.
* timezone/zic.c: Likewise.
* timezone/antarctica: Updated from tzdata1998c.
* timezone/asia: Likewise.
* timezone/australasia: Likewise.
* timezone/europe: Likewise.
* timezone/southamerica: Likewise.
1998-03-02 Ulrich Drepper <drepper@cygnus.com>
* posix/glob.c (glob_in_dir): Add support for cases insensitive
VMS. Patch by John W. Eaton <jwe@bevo.che.wisc.edu>.
1998-03-01 19:05 H.J. Lu (hjl@gnu.org)
* sysdeps/libm-ieee754/e_exp.c (__ieee754_exp): Use __isinf.
Changed type of TWO43, TWO52 from float to double.
* sysdeps/libm-ieee754/e_expf.c (__ieee754_expf): Use __isinff.
* sysdeps/libm-ieee754/s_exp2.c (__ieee754_exp2): Use __isinf.
Changed type of TWO43 from float to double.
* sysdeps/libm-ieee754/s_exp2f.c (__ieee754_exp2f): Fix a typo.
Use __isinff.
1998-03-01 09:11 Richard Henderson <rth@cygnus.com>
* sysdeps/unix/sysv/linux/sparc/bits/ioctls.h: Don't include
kernel_termios.h.
* sysdeps/unix/sysv/linux/sparc/bits/termios.h (CBAUD, CIBAUD): Fix.
Clean up random whitespace.
* sysdeps/unix/sysv/linux/sparc/sparc32/brk.c: Tidy the asm.
* sysdeps/unix/sysv/linux/sparc/sparc32/socket.S: Use std on the args.
* sysdeps/unix/sysv/linux/sparc/sparc32/sysdep.S: Fix use of .bss.
* sysdeps/unix/sysv/linux/sparc/sparc32/sys/ucontext.h: New file.
1998-03-01 08:31 Richard Henderson <rth@cygnus.com>
1998-03-01 Richard Henderson <rth@cygnus.com>
* shlib-versions: Match alpha*.
* sysdeps/unix/sysv/linux/alpha/syscalls.list: Add adjtimex.
* sysdeps/unix/sysv/linux/alpha/adjtimex.S: Remove.
* sysdeps/alpha/fpu/bits/mathinline.h (isunordered et al): New.
Implement copysign* with and without __ prefix.
Likewise for fabs; use builtin for gcc 2.8.
(floor*): New.
(fdim*): New.
* elf/elf.h (EF_SPARC*, EF_ALPHA*, SHT_ALPHA*, SHF_ALPHA*): New.
(R_SPARC*): Match current v9 ABI.
* sysdeps/wordsize-64/stdint.h (intptr_t): Is a long.
* sunrpc/clnt_udp.c (clntudp_call): Use socklen_t.
* sunrpc/pmap_rmt.c (clnt_broadcast): Likewise.
* sunrpc/svc_tcp.c (svctcp_create, rendezvous_request): Likewise.
* sysdeps/generic/getresgid.c: Use prototype form because of warning.
* sysdeps/unix/sysv/linux/getdents.c: Likewise.
* sysdeps/unix/sysv/linux/alpha/adjtime.c: Likewise.
* sysdeps/unix/grantpt.c (argv): Fix consts.
* sysdeps/unix/sysv/linux/getpt.c: Include <string.h>
* sysdeps/unix/sysv/linux/sigaction.c: Likewise.
* misc/syslog.c: Change to allow user the interpretation of the
outcome even with syslog having no return value.
1998-02-05 20:41 Wolfram Gloger <wmglo@dent.med.uni-muenchen.de>
* elf/dl-addr.c: Fix search algorithms in dladdr(); don't assume
that the number of program headers is >0 (which is wrong for the
loader itself).
1998-02-27 Ulrich Drepper <drepper@cygnus.com>
* misc/tst-efgcvt.c (ecvt_tests): Add new test case for reported
bug.
1998-02-25 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* manual/arith.texi (Old-style number conversion): Correct
typo. Reported by Göran Uddeborg <goeran@uddeborg.pp.se>.
1998-02-27 Ulrich Drepper <drepper@cygnus.com>
1998-02-27 Ulrich Drepper <drepper@cygnus.com>
* posix/execlp.c: POSIX.1 says that argv[0] *should* be provided,
but does not require it. Handle missing argv[] values gracefully.
* posix/execl.c: Likewise.
* posix/execle.c: Likewise.
1998-02-24 15:12 Ulrich Drepper <drepper@cygnus.com>
* Makeconfig: Filter out frame-pointer effecting options when
compiling profiling or debugging code.
* config.h.in (internal_function): Don't define here if PROF is
defined.
* gmon/gmon.c (__moncontrol): Don't change state if already in error
state.
(__monstartup): If calloc fails set error state and mark array as
not allocated.
(_mcleanup): Don't call write_gmon if in error state. Don't try
to free array if not successfully allocated.
* elf/dl-load.c (STRING): Define to __STRING to enble expansion.
Include elf.h to get macro definitions.
Use __ELF?NATIVE?CLASS in message, not __ELF_WORDSIZE.
1998-02-24 09:40 Ulrich Drepper <drepper@cygnus.com>
* elf/ldd.sh.in: Add compatibility for broken old shells.
* elf/ldd.bash.in: Likewise.
1998-02-24 08:11 H.J. Lu <hjl@gnu.org>
* sunrpc/rpc_main.c (open_input): Check pipe return error.
* time/clocktest.c (main): Check signal return error.
1998-02-24 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* iconv/Makefile ($(inst_bindir)/iconv): Correct typo, add
"/" and use do-install-program. Reported by Mark M. Kettenis.
(subdir_install): Likewise.
1998-02-22 Thorsten Kukuk <kukuk@vt.uni-paderborn.de>
* sunrpc/rpc_sample.c: Fix typo.
* nscd/connections.c: Use locale.
* nscd/grpcache.c: Add debug messages, gidtbl should get the
calloc result.
* nscd/nscd.c: Check if init functions fails.
* nscd/nscd_conf.c: Allow disabling of group cache.
* nscd/nscd_getgr_r.c: Fix return code if group not found.
* nscd/pwdcache.c: Fix debug messages.
1998-02-22 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* libc.map: Add __monstartup and _mcleanup for profiling support.
1998-02-20 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* libc.map: Export __getpagesize, for binary compatibility with
2.0.
1998-02-21 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* posix/globtest.sh: Use --library-path instead of
LD_LIBRARY_PATH.
* localedata/sort-test.sh: Likewise.
* localedata/tst-fmon.sh: Likewise. Avoid useless use of cat.
1998-02-22 Andreas Schwab <schwab@issan.informatik.uni-dortmund.de>
* sysdeps/unix/sysv/linux/sigaction.c: Translate between struct
sigaction and struct kernel_sigaction for __syscall_rt_sigaction.
* sysdeps/unix/sysv/linux/i386/sigaction.c: Likewise.
* sysdeps/unix/sysv/linux/kernel_sigaction.h (struct
kernel_sigaction): Define.
* sysdeps/unix/sysv/linux/alpha/kernel_sigaction.h (struct
kernel_sigaction): Define.
1998-02-23 Andreas Jaeger <aj@arthur.rhein-neckar.de>
* math/libm-test.c: Change epsilons for libm-ieee754.
1998-02-23 12:33 Ulrich Drepper <drepper@cygnus.com>
* sysdeps/i386/__longjmp.S: Fix race condition.
Reported by Bruno Haible <haible@ilog.fr>.
