+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
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
.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
#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. */
/* 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
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
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. */
#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
#include <sysdep-cancel.h>
- .text
+#ifdef SHARED
+.LLGETPC0:
+ retl
+ addl %o7, %o0, %o0
+#endif
ENTRY(__vfork)
- ld [%g7 + MULTIPLE_THREADS_OFFSET], %o0
#ifdef SHARED
- cmp %o0, 0
- bne HIDDEN_JUMPTARGET (__fork)
+ 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
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
--- /dev/null
+#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"
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.
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
projects / external / glibc.git / commitdiff