diff options
| -rw-r--r-- | ChangeLog | 32 | ||||
| -rw-r--r-- | linuxthreads/ChangeLog | 13 | ||||
| -rw-r--r-- | linuxthreads/Makefile | 14 | ||||
| -rw-r--r-- | linuxthreads/manager.c | 7 | ||||
| -rw-r--r-- | linuxthreads/pthread.c | 17 | ||||
| -rw-r--r-- | linuxthreads/tst-stack1.c | 98 | ||||
| -rw-r--r-- | malloc/malloc.c | 10 | ||||
| -rw-r--r-- | malloc/mtrace.c | 39 | ||||
| -rw-r--r-- | misc/mntent_r.c | 9 | ||||
| -rw-r--r-- | nptl/ChangeLog | 8 | ||||
| -rw-r--r-- | nptl/Makefile | 8 | ||||
| -rw-r--r-- | nptl/tst-stack3.c | 98 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/sys/procfs.h | 2 | ||||
| -rw-r--r-- | sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h | 2 |
14 files changed, 345 insertions, 12 deletions
@@ -1,3 +1,35 @@ +2003-12-17 Jakub Jelinek <jakub@redhat.com> + + * malloc/mtrace.c (tr_old_memalign_hook): New variable. + (tr_memalignhook): New function. + (mtrace): Register tr_memalignhook. + (muntrace): Deregister tr_memalignhook. + * malloc/malloc.c (__posix_memalign): If __memalign_hook != NULL, + call it directly instead of memalign_internal. + +2003-12-17 Ulrich Drepper <drepper@redhat.com> + + * misc/mntent_r.c: Change encoding to match recently change decoder. + Patch by Alexander Achenbach <xela@slit.de>. + +2003-12-16 Steven Munroe <sjmunroe@us.ibm.com> + + * sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h: Correct definition of + vrregset_t. + +2003-12-16 Steven Munroe <sjmunroe@us.ibm.com> + + * sysdeps/unix/sysv/linux/powerpc/sys/procfs.h [!__PPC64_ELF_H]: Extent + conditional to include typedef elf_vrreg_t. + +2002-12-17 Paolo Bonzini <bonzini@gnu.org> + + * posix/regexec.c (re_search_internal): Limit search to the + beginning of the buffer if the initial states are empty for + contexts that do not include CONTEXT_BEGBUF or, if + !preg->newline_anchor, that do not include any one of + CONTEXT_BEGBUF and CONTEXT_NEWLINE. + 2003-12-17 Andreas Jaeger <aj@suse.de> * sysdeps/generic/system.c (__libc_system): Fix typo, reported by diff --git a/linuxthreads/ChangeLog b/linuxthreads/ChangeLog index 882c478aa4..7691b94ac4 100644 --- a/linuxthreads/ChangeLog +++ b/linuxthreads/ChangeLog @@ -1,3 +1,16 @@ +2003-12-17 Jakub Jelinek <jakub@redhat.com> + + * manager.c (pthread_free): Call _dl_deallocate_tls even for + p_userstack threads. + * pthread.c (__pthread_initialize_manager): Call _dl_deallocate_tls + on error. + (pthread_onexit_process): Update comment. + * Makefile (tests): Add tst-stack1. Depend on $(objpfx)tst-stack1-mem. + (generated): Add tst-stack1.mtrace and tst-stack1-mem. + (tst-stack1-ENV): Set. + ($(objpfx)tst-stack1-mem): New. + * tst-stack1.c: New test. + 2003-12-16 Steven Munroe <sjmunroe@us.ibm.com> * sysdeps/powerpc/tcb-offsets.sym [!__powerpc64__]: Remove diff --git a/linuxthreads/Makefile b/linuxthreads/Makefile index f3a9c02e5f..df7367b2b3 100644 --- a/linuxthreads/Makefile +++ b/linuxthreads/Makefile @@ -109,11 +109,14 @@ 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-cancel7 tst-cancel8 tst-popen tst-popen2 tst-attr1 + tst-cancel6 tst-cancel7 tst-cancel8 tst-popen tst-popen2 tst-attr1 \ + tst-stack1 test-srcs = tst-signal # These tests are linked with libc before libpthread tests-reverse += tst-cancel5 +generated += tst-stack1.mtrace tst-stack1-mem + ifeq ($(build-static),yes) tests += tststatic tst-static-locale tst-cancel-static tests-static += tststatic tst-static-locale tst-cancel-static @@ -139,6 +142,15 @@ tst-tls1modd.so-no-z-defs = yes tst-tls1mode.so-no-z-defs = yes tst-tls1modf.so-no-z-defs = yes +tests: $(objpfx)tst-stack1-mem +tst-stack1-ENV = MALLOC_TRACE=$(objpfx)tst-stack1.mtrace + +# There are still up to 3 objects unfreed: +# manager thread's stack, tls block and dtv +$(objpfx)tst-stack1-mem: $(objpfx)tst-stack1.out + $(common-objpfx)malloc/mtrace $(objpfx)tst-stack1.mtrace > $@ \ + || [ `grep ^0 $@ | wc -l` -le 3 ] + $(test-modules): $(objpfx)%.so: $(objpfx)%.os $(common-objpfx)shlib.lds $(build-module) diff --git a/linuxthreads/manager.c b/linuxthreads/manager.c index 462ce4a0d4..876dd32772 100644 --- a/linuxthreads/manager.c +++ b/linuxthreads/manager.c @@ -903,13 +903,14 @@ static void pthread_free(pthread_descr th) /* Unmap the stack. */ munmap(guardaddr, stacksize + guardsize); + } + #ifdef USE_TLS # if TLS_DTV_AT_TP - th = (pthread_descr) ((char *) th + TLS_PRE_TCB_SIZE); + th = (pthread_descr) ((char *) th + TLS_PRE_TCB_SIZE); # endif - _dl_deallocate_tls (th, true); + _dl_deallocate_tls (th, true); #endif - } } /* Handle threads that have exited */ diff --git a/linuxthreads/pthread.c b/linuxthreads/pthread.c index 11d2ef7dd1..124aa5243d 100644 --- a/linuxthreads/pthread.c +++ b/linuxthreads/pthread.c @@ -654,7 +654,7 @@ int __pthread_initialize_manager(void) #ifdef USE_TLS /* Allocate memory for the thread descriptor and the dtv. */ - tcbp = _dl_allocate_tls (NULL); + tcbp = _dl_allocate_tls (NULL); if (tcbp == NULL) { free(__pthread_manager_thread_bos); __libc_close(manager_pipe[0]); @@ -783,6 +783,9 @@ int __pthread_initialize_manager(void) #endif } if (__builtin_expect (pid, 0) == -1) { +#ifdef USE_TLS + _dl_deallocate_tls (tcbp, true); +#endif free(__pthread_manager_thread_bos); __libc_close(manager_pipe[0]); __libc_close(manager_pipe[1]); @@ -1014,8 +1017,16 @@ static void pthread_onexit_process(int retcode, void *arg) waitpid(__pthread_manager_thread.p_pid, NULL, __WCLONE); #endif /* Since all threads have been asynchronously terminated - (possibly holding locks), free cannot be used any more. */ - /*free (__pthread_manager_thread_bos);*/ + (possibly holding locks), free cannot be used any more. + For mtrace, we'd like to print something though. */ + /* #ifdef USE_TLS + tcbhead_t *tcbp = (tcbhead_t *) manager_thread; + # if TLS_DTV_AT_TP + tcbp = (tcbhead_t) ((char *) tcbp + TLS_PRE_TCB_SIZE); + # endif + _dl_deallocate_tls (tcbp, true); + #endif + free (__pthread_manager_thread_bos); */ __pthread_manager_thread_bos = __pthread_manager_thread_tos = NULL; } } diff --git a/linuxthreads/tst-stack1.c b/linuxthreads/tst-stack1.c new file mode 100644 index 0000000000..fa9aeddd9c --- /dev/null +++ b/linuxthreads/tst-stack1.c @@ -0,0 +1,98 @@ +/* Copyright (C) 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2003. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +/* Test whether pthread_create/pthread_join with user defined stacks + doesn't leak memory. */ + +#include <limits.h> +#include <mcheck.h> +#include <pthread.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> + +static int seen; + +static void * +tf (void *p) +{ + ++seen; + return NULL; +} + +static int +do_test (void) +{ + mtrace (); + + void *stack; + int res = posix_memalign (&stack, getpagesize (), 4 * PTHREAD_STACK_MIN); + if (res) + { + printf ("malloc failed %s\n", strerror (res)); + return 1; + } + + pthread_attr_t attr; + pthread_attr_init (&attr); + + int result = 0; + res = pthread_attr_setstack (&attr, stack, 4 * PTHREAD_STACK_MIN); + if (res) + { + printf ("pthread_attr_setstack failed %d\n", res); + result = 1; + } + + for (int i = 0; i < 16; ++i) + { + /* Create the thread. */ + pthread_t th; + res = pthread_create (&th, &attr, tf, NULL); + if (res) + { + printf ("pthread_create failed %d\n", res); + result = 1; + } + else + { + res = pthread_join (th, NULL); + if (res) + { + printf ("pthread_join failed %d\n", res); + result = 1; + } + } + } + + pthread_attr_destroy (&attr); + + if (seen != 16) + { + printf ("seen %d != 16\n", seen); + result = 1; + } + + free (stack); + return result; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" diff --git a/malloc/malloc.c b/malloc/malloc.c index c26d6676aa..4e959d20a2 100644 --- a/malloc/malloc.c +++ b/malloc/malloc.c @@ -5389,13 +5389,21 @@ int __posix_memalign (void **memptr, size_t alignment, size_t size) { void *mem; + __malloc_ptr_t (*hook) __MALLOC_PMT ((size_t, size_t, + __const __malloc_ptr_t)) = + __memalign_hook; /* Test whether the SIZE argument is valid. It must be a power of two multiple of sizeof (void *). */ if (alignment % sizeof (void *) != 0 || !powerof2 (alignment) != 0) return EINVAL; - mem = __memalign_internal (alignment, size); + /* Call the hook here, so that caller is posix_memalign's caller + and not posix_memalign itself. */ + if (hook != NULL) + mem = (*hook)(alignment, size, RETURN_ADDRESS (0)); + else + mem = __memalign_internal (alignment, size); if (mem != NULL) { *memptr = mem; diff --git a/malloc/mtrace.c b/malloc/mtrace.c index 6cdd5f3324..c4239ddfba 100644 --- a/malloc/mtrace.c +++ b/malloc/mtrace.c @@ -71,6 +71,9 @@ static __ptr_t (*tr_old_malloc_hook) __P ((__malloc_size_t size, static __ptr_t (*tr_old_realloc_hook) __P ((__ptr_t ptr, __malloc_size_t size, const __ptr_t)); +static __ptr_t (*tr_old_memalign_hook) __P ((__malloc_size_t __alignment, + __malloc_size_t __size, + __const __ptr_t)); /* This function is called when the block being alloc'd, realloc'd, or freed has an address matching the variable "mallwatch". In a debugger, @@ -233,6 +236,39 @@ tr_reallochook (ptr, size, caller) return hdr; } +static __ptr_t tr_memalignhook __P ((__malloc_size_t, __malloc_size_t, + const __ptr_t)); +static __ptr_t +tr_memalignhook (alignment, size, caller) + __malloc_size_t alignment, size; + const __ptr_t caller; +{ + __ptr_t hdr; + + __libc_lock_lock (lock); + + __memalign_hook = tr_old_memalign_hook; + __malloc_hook = tr_old_malloc_hook; + if (tr_old_memalign_hook != NULL) + hdr = (__ptr_t) (*tr_old_memalign_hook) (alignment, size, caller); + else + hdr = (__ptr_t) memalign (alignment, size); + __memalign_hook = tr_memalignhook; + __malloc_hook = tr_mallochook; + + tr_where (caller); + /* We could be printing a NULL here; that's OK. */ + fprintf (mallstream, "+ %p %#lx\n", hdr, (unsigned long int) size); + + __libc_lock_unlock (lock); + + if (hdr == mallwatch) + tr_break (); + + return hdr; +} + + #ifdef _LIBC @@ -300,6 +336,8 @@ mtrace () __malloc_hook = tr_mallochook; tr_old_realloc_hook = __realloc_hook; __realloc_hook = tr_reallochook; + tr_old_memalign_hook = __memalign_hook; + __memalign_hook = tr_memalignhook; #ifdef _LIBC if (!added_atexit_handler) { @@ -327,4 +365,5 @@ muntrace () __free_hook = tr_old_free_hook; __malloc_hook = tr_old_malloc_hook; __realloc_hook = tr_old_realloc_hook; + __memalign_hook = tr_old_memalign_hook; } diff --git a/misc/mntent_r.c b/misc/mntent_r.c index 2623ec3b70..1476c86ee2 100644 --- a/misc/mntent_r.c +++ b/misc/mntent_r.c @@ -86,7 +86,7 @@ decode_name (char *buf) } else if (rp[0] == '\\' && rp[1] == '0' && rp[2] == '1' && rp[3] == '1') { - /* \012 is a TAB. */ + /* \011 is a TAB. */ *wp++ = '\t'; rp += 3; } @@ -220,6 +220,13 @@ weak_alias (__getmntent_r, getmntent_r) *wp++ = '\\'; \ *wp++ = '0'; \ *wp++ = '1'; \ + *wp++ = '1'; \ + } \ + else if (*rp == '\n') \ + { \ + *wp++ = '\\'; \ + *wp++ = '0'; \ + *wp++ = '1'; \ *wp++ = '2'; \ } \ else if (*rp == '\\') \ diff --git a/nptl/ChangeLog b/nptl/ChangeLog index 472187f500..4c8661bbce 100644 --- a/nptl/ChangeLog +++ b/nptl/ChangeLog @@ -1,3 +1,11 @@ +2003-12-17 Jakub Jelinek <jakub@redhat.com> + + * Makefile (tests): Add tst-stack3. Depend on $(objpfx)tst-stack3-mem. + (generated): Add tst-stack3.mtrace and tst-stack3-mem. + (tst-stack3-ENV): Set. + ($(objpfx)tst-stack3-mem): New. + * tst-stack3.c: New test. + 2003-12-10 David Mosberger <davidm@hpl.hp.com> * sysdeps/unix/sysv/linux/ia64/pt-initfini.c (_init_EPILOG_BEGINS): diff --git a/nptl/Makefile b/nptl/Makefile index 78613858be..c2c4746681 100644 --- a/nptl/Makefile +++ b/nptl/Makefile @@ -223,7 +223,7 @@ tests = tst-attr1 tst-attr2 tst-attr3 \ tst-exec1 tst-exec2 tst-exec3 tst-exec4 \ tst-exit1 \ tst-stdio1 tst-stdio2 \ - tst-stack1 tst-stack2 \ + tst-stack1 tst-stack2 tst-stack3 \ tst-unload \ tst-dlsym1 \ tst-sysconf \ @@ -405,6 +405,12 @@ LDFLAGS-tst-atfork2 = -rdynamic tst-atfork2-ENV = MALLOC_TRACE=$(objpfx)tst-atfork2.mtrace $(objpfx)tst-atfork2mod.so: $(shared-thread-library) +tests: $(objpfx)tst-stack3-mem +tst-stack3-ENV = MALLOC_TRACE=$(objpfx)tst-stack3.mtrace +$(objpfx)tst-stack3-mem: $(objpfx)tst-stack3.out + $(common-objpfx)malloc/mtrace $(objpfx)tst-stack3.mtrace > $@ +generated += tst-stack3-mem tst-stack3.mtrace + $(objpfx)tst-cleanup4: $(objpfx)tst-cleanup4aux.o $(shared-thread-library) $(objpfx)tst-cleanupx4: $(objpfx)tst-cleanup4aux.o $(shared-thread-library) diff --git a/nptl/tst-stack3.c b/nptl/tst-stack3.c new file mode 100644 index 0000000000..fa9aeddd9c --- /dev/null +++ b/nptl/tst-stack3.c @@ -0,0 +1,98 @@ +/* Copyright (C) 2003 Free Software Foundation, Inc. + This file is part of the GNU C Library. + Contributed by Jakub Jelinek <jakub@redhat.com>, 2003. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +/* Test whether pthread_create/pthread_join with user defined stacks + doesn't leak memory. */ + +#include <limits.h> +#include <mcheck.h> +#include <pthread.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include <unistd.h> + +static int seen; + +static void * +tf (void *p) +{ + ++seen; + return NULL; +} + +static int +do_test (void) +{ + mtrace (); + + void *stack; + int res = posix_memalign (&stack, getpagesize (), 4 * PTHREAD_STACK_MIN); + if (res) + { + printf ("malloc failed %s\n", strerror (res)); + return 1; + } + + pthread_attr_t attr; + pthread_attr_init (&attr); + + int result = 0; + res = pthread_attr_setstack (&attr, stack, 4 * PTHREAD_STACK_MIN); + if (res) + { + printf ("pthread_attr_setstack failed %d\n", res); + result = 1; + } + + for (int i = 0; i < 16; ++i) + { + /* Create the thread. */ + pthread_t th; + res = pthread_create (&th, &attr, tf, NULL); + if (res) + { + printf ("pthread_create failed %d\n", res); + result = 1; + } + else + { + res = pthread_join (th, NULL); + if (res) + { + printf ("pthread_join failed %d\n", res); + result = 1; + } + } + } + + pthread_attr_destroy (&attr); + + if (seen != 16) + { + printf ("seen %d != 16\n", seen); + result = 1; + } + + free (stack); + return result; +} + +#define TEST_FUNCTION do_test () +#include "../test-skeleton.c" diff --git a/sysdeps/unix/sysv/linux/powerpc/sys/procfs.h b/sysdeps/unix/sysv/linux/powerpc/sys/procfs.h index 1322971da4..8e694c2ad3 100644 --- a/sysdeps/unix/sysv/linux/powerpc/sys/procfs.h +++ b/sysdeps/unix/sysv/linux/powerpc/sys/procfs.h @@ -45,7 +45,6 @@ typedef elf_greg_t elf_gregset_t[ELF_NGREG]; typedef double elf_fpreg_t; typedef elf_fpreg_t elf_fpregset_t[ELF_NFPREG]; -#endif /* gcc 3.1 and newer support __uint128_t. */ #if !__GNUC_PREREQ(3,1) @@ -57,6 +56,7 @@ typedef struct { /* Altivec registers */ typedef __uint128_t elf_vrreg_t; typedef elf_vrreg_t elf_vrregset_t[ELF_NVRREG]; +#endif struct elf_siginfo { diff --git a/sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h b/sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h index 4bb8bb26d0..b75e25a3c8 100644 --- a/sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h +++ b/sysdeps/unix/sysv/linux/powerpc/sys/ucontext.h @@ -47,9 +47,9 @@ typedef struct _libc_fpstate typedef struct _libc_vrstate { unsigned int vrregs[32][4]; - unsigned int vscr; unsigned int vrsave; unsigned int _pad[2]; + unsigned int vscr; } vrregset_t; /* Context to describe whole processor state. */ |