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2003-02-07  Jakub Jelinek  <jakub@redhat.com>

	* tst-popen2.c: New test.
	* Makefile (tests): Add tst-popen2.
	* sysdeps/unix/sysv/linux/alpha/vfork.S (__vfork): Branch to __fork
	whenever libpthread.so is loaded.
	* sysdeps/unix/sysv/linux/i386/vfork.S (__vfork): Likewise.
	* sysdeps/unix/sysv/linux/ia64/vfork.S (__vfork): Likewise.
	* sysdeps/unix/sysv/linux/s390/s390-64/vfork.S (__vfork): Likewise.
	* sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S (__vfork): Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S (__vfork): Likewise.
	* sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S (__vfork): Likewise.
	* sysdeps/unix/sysv/linux/x86_64/vfork.S (__vfork): Likewise.
This commit is contained in:
Ulrich Drepper 2003-02-07 06:46:21 +00:00
parent ce96c93de5
commit 65c6899079
13 changed files with 152 additions and 16 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
linuxthreads/ChangeLog
View File

@ -1,3 +1,17 @@
2003-02-07 Jakub Jelinek <jakub@redhat.com>
* tst-popen2.c: New test.
* Makefile (tests): Add tst-popen2.
* sysdeps/unix/sysv/linux/alpha/vfork.S (__vfork): Branch to __fork
whenever libpthread.so is loaded.
* sysdeps/unix/sysv/linux/i386/vfork.S (__vfork): Likewise.
* sysdeps/unix/sysv/linux/ia64/vfork.S (__vfork): Likewise.
* sysdeps/unix/sysv/linux/s390/s390-64/vfork.S (__vfork): Likewise.
* sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S (__vfork): Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S (__vfork): Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S (__vfork): Likewise.
* sysdeps/unix/sysv/linux/x86_64/vfork.S (__vfork): Likewise.
2003-02-05 Ulrich Drepper <drepper@redhat.com>
* sysdeps/pthread/bits/libc-lock.h (__libc_once): Set control

2
linuxthreads/Makefile
View File

@ -88,7 +88,7 @@ tests = ex1 ex2 ex3 ex4 ex5 ex6 ex7 ex8 ex9 $(librt-tests) ex12 ex13 joinrace \
tststack $(tests-nodelete-$(have-z-nodelete)) ecmutex ex14 ex15 ex16 \
ex17 ex18 tst-cancel tst-context bug-sleep \
tst-cancel1 tst-cancel2 tst-cancel3 tst-cancel4 tst-cancel5 \
tst-cancel6 tst-popen
tst-cancel6 tst-popen tst-popen2
test-srcs = tst-signal
# These tests are linked with libc before libpthread
tests-reverse += tst-cancel5

4
linuxthreads/sysdeps/unix/sysv/linux/alpha/vfork.S
View File

@ -27,10 +27,12 @@ __LABEL(__vfork)
.prologue 1
PSEUDO_PROF
SINGLE_THREAD_P(t0)
#ifdef SHARED
ldq t0, __libc_pthread_functions(gp) !gprel
bne t0, HIDDEN_JUMPTARGET (__fork) !samegp
#else
.weak __pthread_fork
ldq t0, __pthread_fork(gp) !literal
bne t0, $do_fork
#endif

14
linuxthreads/sysdeps/unix/sysv/linux/i386/vfork.S
View File

@ -31,7 +31,19 @@ ENTRY (__vfork)
#ifdef __NR_vfork
SINGLE_THREAD_P
# ifdef SHARED
# if !defined HAVE_HIDDEN || !USE___THREAD
SETUP_PIC_REG (cx)
# else
call __i686.get_pc_thunk.cx
# endif
addl $_GLOBAL_OFFSET_TABLE_, %ecx
cmpl $0, __libc_pthread_functions@GOTOFF(%ecx)
# else
.weak __pthread_fork
movl $__pthread_fork, %eax
testl %eax, %eax
# endif
jne HIDDEN_JUMPTARGET (__fork)
/* Pop the return PC value into ECX. */

9
linuxthreads/sysdeps/unix/sysv/linux/ia64/vfork.S
View File

@ -30,7 +30,14 @@
/* Implemented as __clone_syscall(CLONE_VFORK | CLONE_VM | SIGCHLD, 0) */
ENTRY(__vfork)
SINGLE_THREAD_P
#ifdef SHARED
addl r14 = @gprel(__libc_pthread_functions#), gp;;
#else
.weak __pthread_fork
addl r14 = @ltoff(@fptr(__pthread_fork#)), gp;;
#endif
ld8 r14 = [r14];;
cmp.ne p6, p7 = 0, r14
(p6) br.cond.spnt.few HIDDEN_JUMPTARGET (__fork);;
alloc r2=ar.pfs,0,0,2,0
mov out0=CLONE_VM+CLONE_VFORK+SIGCHLD

13
linuxthreads/sysdeps/unix/sysv/linux/powerpc/powerpc32/vfork.S
View File

@ -29,11 +29,20 @@
ENTRY (__vfork)
#ifdef __NR_vfork
SINGLE_THREAD_P
# ifdef SHARED
mflr 9
bl _GLOBAL_OFFSET_TABLE_@local-4
mflr 10
mtlr 9
lwz 10,__libc_pthread_functions@got(10)
lwz 10,0(10)
cmpwi 10,0
bne- HIDDEN_JUMPTARGET(__fork)
# else
.weak __pthread_fork
lis 9,__pthread_fork@ha
la 9,__pthread_fork@l(9)
cmpwi 9,0
bne- .Lhidden_fork
# endif

9
linuxthreads/sysdeps/unix/sysv/linux/s390/s390-64/vfork.S
View File

@ -27,7 +27,14 @@
and the process ID of the new process to the old process. */
ENTRY (__vfork)
SINGLE_THREAD_P
#ifdef SHARED
larl %r1,__libc_pthread_functions
lg %r1,0(%r1)
#else
.weak __pthread_fork
larl %r1,__pthread_fork
#endif
ltgr %r1,%r1
jgne HIDDEN_JUMPTARGET(__fork)
/* Do vfork system call. */

23
linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc32/vfork.S
View File

@ -20,9 +20,28 @@
#include <sysdep-cancel.h>
.text
#ifdef SHARED
.LLGETPC0:
retl
addl %o7, %o0, %o0
#endif
ENTRY(__vfork)
ld [%g7 + MULTIPLE_THREADS_OFFSET], %o0
cmp %o0, 0
#ifdef SHARED
mov %o7, %o1
sethi %hi(_GLOBAL_OFFSET_TABLE_-4), %o0
call .LLGETPC0
add %o0, %lo(_GLOBAL_OFFSET_TABLE_+4), %o0
sethi %hi(__libc_pthread_functions), %o2
mov %o1, %o7
or %o2, %lo(__libc_pthread_functions), %o2
ld [%o0 + %o2], %o2
ld [%o2], %o2
cmp %o2, 0
#else
.weak __pthread_fork
sethi %hi(__pthread_fork), %o0
orcc %o0, %lo(__pthread_fork), %o0
#endif
#if defined SHARED && !defined BROKEN_SPARC_WDISP22
bne HIDDEN_JUMPTARGET(__fork)
#else

25
linuxthreads/sysdeps/unix/sysv/linux/sparc/sparc64/vfork.S
View File

@ -19,13 +19,28 @@
#include <sysdep-cancel.h>
.text
ENTRY(__vfork)
ld [%g7 + MULTIPLE_THREADS_OFFSET], %o0
#ifdef SHARED
cmp %o0, 0
bne HIDDEN_JUMPTARGET (__fork)
.LLGETPC0:
retl
addl %o7, %o0, %o0
#endif
ENTRY(__vfork)
#ifdef SHARED
mov %o7, %o1
sethi %hi(_GLOBAL_OFFSET_TABLE_-4), %o0
call .LLGETPC0
add %o0, %lo(_GLOBAL_OFFSET_TABLE_+4), %o0
sethi %hi(__libc_pthread_functions), %o2
mov %o1, %o7
or %o2, %lo(__libc_pthread_functions), %o2
ldx [%o0 + %o2], %o2
ldx [%o2], %o2
cmp %o2, 0
bne HIDDEN_JUMPTARGET(__fork)
#else
.weak __pthread_fork
sethi %hi(__pthread_fork), %o0
or %o0, %lo(__pthread_fork), %o0
brnz,pn %o0, 1f
#endif
mov __NR_vfork, %g1

8
linuxthreads/sysdeps/unix/sysv/linux/x86_64/vfork.S
View File

@ -27,7 +27,13 @@
ENTRY (__vfork)
SINGLE_THREAD_P
#ifdef SHARED
cmpq $0, __libc_pthread_functions(%rip)
#else
.weak __pthread_fork
movq $__pthread_fork, %eax
testq %rax, %rax
#endif
jne HIDDEN_JUMPTARGET (__fork)
/* Pop the return PC value into RDI. We need a register that

41
linuxthreads/tst-popen2.c Normal file
View File

@ -0,0 +1,41 @@
#include <errno.h>
#include <error.h>
#include <pthread.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
static void *
dummy (void *x)
{
return NULL;
}
static char buf[sizeof "something\n"];
static int
do_test (void)
{
FILE *f;
pthread_t p;
int err;
f = popen ("echo something", "r");
if (f == NULL)
error (EXIT_FAILURE, errno, "popen failed");
if (fgets (buf, sizeof (buf), f) == NULL)
error (EXIT_FAILURE, 0, "fgets failed");
if (strcmp (buf, "something\n"))
error (EXIT_FAILURE, 0, "read wrong data");
if (pclose (f))
error (EXIT_FAILURE, errno, "pclose returned non-zero");
if ((err = pthread_create (&p, NULL, dummy, NULL)))
error (EXIT_FAILURE, err, "pthread_create failed");
if ((err = pthread_join (p, NULL)))
error (EXIT_FAILURE, err, "pthread_join failed");
exit (0);
}
#define TEST_FUNCTION do_test ()
#include "../test-skeleton.c"

3
nptl/ChangeLog
View File

@ -1,5 +1,8 @@
2003-02-06 Ulrich Drepper <drepper@redhat.com>
* Makefile (tests): Add tst-popen1.
* tst-popen1.c: New file.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_wait.S: Remove wrong
but inactive generalization.
* sysdeps/unix/sysv/linux/i386/i486/pthread_cond_timedwait.S: Likewise.

3
nptl/Makefile
View File

@ -151,7 +151,8 @@ tests = tst-mutex1 tst-mutex2 tst-mutex3 tst-mutex4 tst-mutex5 tst-mutex6 \
tst-unload \
tst-sysconf \
tst-locale1 tst-locale2 \
tst-umask1
tst-umask1 \
tst-popen1
LDFLAGS-pthread.so = -Wl,--enable-new-dtags,-z,nodelete,-z,initfirst