Update.
1999-05-16 Wolfram Gloger <wmglo@dent.med.uni-muenchen.de> * malloc/malloc.c: Cleanup to bring in line with released stand-alone version `ptmalloc'. Update some comments. (internal_function): Move fallback definition so that the source compiles outside of libc, and use it in more places. (malloc_atfork): Fix when malloc_check is in use. 1999-05-16 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> * stdlib/tst-strtod.c: Fix typo. 1999-05-16 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> * elf/dl-close.c (_dl_close): Add cast to avoid warning about const incorrectness.
This commit is contained in:
Ulrich Drepper
parent
1592541240
commit
431c33c0bc
17
ChangeLog
17
ChangeLog
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@ -1,3 +1,20 @@
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1999-05-16 Wolfram Gloger <wmglo@dent.med.uni-muenchen.de>
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* malloc/malloc.c: Cleanup to bring in line with released
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stand-alone version `ptmalloc'. Update some comments.
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(internal_function): Move fallback definition so that the source
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compiles outside of libc, and use it in more places.
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(malloc_atfork): Fix when malloc_check is in use.
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1999-05-16 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
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* stdlib/tst-strtod.c: Fix typo.
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1999-05-16 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
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* elf/dl-close.c (_dl_close): Add cast to avoid warning about
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const incorrectness.
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1999-05-16 Roland McGrath <roland@baalperazim.frob.com>
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* sysdeps/generic/bits/termios.h (CRTSCTS): New macro.
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@ -1,3 +1,12 @@
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1999-05-16 Xavier Leroy <Xavier.Leroy@inria.fr>
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* manager.c: If pthread_create() is given a NULL attribute
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and the thread manager runs with a realtime policy, set the
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scheduling policy of the newly created thread back to SCHED_OTHER.
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* manager.c: If the PTHREAD_INHERIT_SCHED attribute is given,
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initialize the schedpolicy field of new_thread->p_start_args
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to that of the calling thread.
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1999-04-29 Ulrich Drepper <drepper@cygnus.com>
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* sysdeps/sparc/sparc64/pt-machine.h (__compare_and_swap): cas
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@ -189,9 +189,19 @@ static int pthread_start_thread(void *arg)
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sigprocmask(SIG_SETMASK, &self->p_start_args.mask, NULL);
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/* Set the scheduling policy and priority for the new thread, if needed */
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if (THREAD_GETMEM(self, p_start_args.schedpolicy) >= 0)
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/* Explicit scheduling attributes were provided: apply them */
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__sched_setscheduler(THREAD_GETMEM(self, p_pid),
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THREAD_GETMEM(self, p_start_args.schedpolicy),
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&self->p_start_args.schedparam);
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else if (__pthread_manager_thread.p_priority > 0)
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/* Default scheduling required, but thread manager runs in realtime
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scheduling: switch new thread to SCHED_OTHER policy */
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{
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struct sched_param default_params;
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default_params.sched_priority = 0;
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__sched_setscheduler(THREAD_GETMEM(self, p_pid),
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SCHED_OTHER, &default_params);
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}
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/* Make gdb aware of new thread */
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if (__pthread_threads_debug && __pthread_sig_debug > 0) {
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request.req_thread = self;
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@ -347,7 +357,7 @@ static int pthread_handle_create(pthread_t *thread, const pthread_attr_t *attr,
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sizeof (struct sched_param));
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break;
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case PTHREAD_INHERIT_SCHED:
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/* schedpolicy doesn't need to be set, only get priority */
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new_thread->p_start_args.schedpolicy = __sched_getscheduler(father_pid);
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__sched_getparam(father_pid, &new_thread->p_start_args.schedparam);
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break;
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}
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@ -182,10 +182,11 @@
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MALLOC_HOOKS (default: NOT defined)
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Define to enable support run-time replacement of the allocation
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functions through user-defined `hooks'.
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REALLOC_ZERO_BYTES_FREES (default: NOT defined)
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REALLOC_ZERO_BYTES_FREES (default: defined)
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Define this if you think that realloc(p, 0) should be equivalent
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to free(p). Otherwise, since malloc returns a unique pointer for
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malloc(0), so does realloc(p, 0).
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to free(p). (The C standard requires this behaviour, therefore
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it is the default.) Otherwise, since malloc returns a unique
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pointer for malloc(0), so does realloc(p, 0).
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HAVE_MEMCPY (default: defined)
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Define if you are not otherwise using ANSI STD C, but still
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have memcpy and memset in your C library and want to use them.
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@ -366,10 +367,10 @@ extern "C" {
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#endif
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/*
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REALLOC_ZERO_BYTES_FREES should be set if a call to
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realloc with zero bytes should be the same as a call to free.
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Some people think it should. Otherwise, since this malloc
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returns a unique pointer for malloc(0), so does realloc(p, 0).
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REALLOC_ZERO_BYTES_FREES should be set if a call to realloc with
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zero bytes should be the same as a call to free. The C standard
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requires this. Otherwise, since this malloc returns a unique pointer
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for malloc(0), so does realloc(p, 0).
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*/
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@ -528,6 +529,9 @@ do { \
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#if !defined(MAP_ANONYMOUS) && defined(MAP_ANON)
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#define MAP_ANONYMOUS MAP_ANON
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#endif
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#if !defined(MAP_FAILED)
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#define MAP_FAILED ((char*)-1)
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#endif
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#ifndef MAP_NORESERVE
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# ifdef MAP_AUTORESRV
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@ -818,6 +822,15 @@ do { \
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computed. */
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/* On some platforms we can compile internal, not exported functions better.
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Let the environment provide a macro and define it to be empty if it
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is not available. */
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#ifndef internal_function
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# define internal_function
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#endif
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/*
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Special defines for the Linux/GNU C library.
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@ -1230,13 +1243,6 @@ static void free_atfork();
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#endif
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/* On some platforms we can compile internal, not exported functions better.
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Let the environment provide a macro and define it to be empty if it
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is not available. */
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#ifndef internal_function
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# define internal_function
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#endif
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/* sizes, alignments */
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@ -1613,7 +1619,7 @@ ptmalloc_init_all __MALLOC_P((void))
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(void)mutex_init(&list_lock);
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}
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#endif
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#endif /* !defined NO_THREADS */
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/* Initialization routine. */
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#if defined(_LIBC)
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@ -1852,10 +1858,12 @@ mmap_chunk(size) size_t size;
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return p;
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}
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static void
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internal_function
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#if __STD_C
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static void munmap_chunk(mchunkptr p)
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munmap_chunk(mchunkptr p)
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#else
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static void munmap_chunk(p) mchunkptr p;
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munmap_chunk(p) mchunkptr p;
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#endif
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{
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INTERNAL_SIZE_T size = chunksize(p);
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@ -1877,10 +1885,12 @@ static void munmap_chunk(p) mchunkptr p;
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#if HAVE_MREMAP
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static mchunkptr
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internal_function
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#if __STD_C
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static mchunkptr mremap_chunk(mchunkptr p, size_t new_size)
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mremap_chunk(mchunkptr p, size_t new_size)
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#else
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static mchunkptr mremap_chunk(p, new_size) mchunkptr p; size_t new_size;
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mremap_chunk(p, new_size) mchunkptr p; size_t new_size;
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#endif
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{
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size_t page_mask = malloc_getpagesize - 1;
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@ -1899,7 +1909,7 @@ static mchunkptr mremap_chunk(p, new_size) mchunkptr p; size_t new_size;
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cp = (char *)mremap((char *)p - offset, size + offset, new_size,
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MREMAP_MAYMOVE);
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if (cp == (char *)-1) return 0;
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if (cp == MAP_FAILED) return 0;
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p = (mchunkptr)(cp + offset);
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@ -3034,7 +3044,7 @@ chunk_free(ar_ptr, p) arena *ar_ptr; mchunkptr p;
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if(next->size < MINSIZE &&
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(unsigned long)sz > trim_threshold &&
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ar_ptr != &main_arena) { /* fencepost */
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heap_info* heap = heap_for_ptr(top(ar_ptr));
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heap_info *heap = heap_for_ptr(top(ar_ptr));
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if(top(ar_ptr) == chunk_at_offset(heap, sizeof(*heap)) &&
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heap->prev == heap_for_ptr(p))
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@ -4212,6 +4222,7 @@ mALLOC_SET_STATe(msptr) Void_t* msptr;
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into a user pointer with requested size sz. */
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static Void_t*
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internal_function
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#if __STD_C
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chunk2mem_check(mchunkptr p, size_t sz)
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#else
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@ -4293,6 +4304,7 @@ mem2chunk_check(mem) Void_t* mem;
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necessary. */
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static int
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internal_function
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#if __STD_C
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top_check(void)
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#else
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@ -4525,11 +4537,18 @@ malloc_atfork(sz, caller) size_t sz; const Void_t *caller;
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#endif
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{
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Void_t *vptr = NULL;
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mchunkptr victim;
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tsd_getspecific(arena_key, vptr);
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if(!vptr) {
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mchunkptr victim = chunk_alloc(&main_arena, request2size(sz));
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return victim ? chunk2mem(victim) : 0;
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if(save_malloc_hook != malloc_check) {
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victim = chunk_alloc(&main_arena, request2size(sz));
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return victim ? chunk2mem(victim) : 0;
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} else {
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if(top_check() < 0) return 0;
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victim = chunk_alloc(&main_arena, request2size(sz+1));
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return victim ? chunk2mem_check(victim, sz) : 0;
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}
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} else {
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/* Suspend the thread until the `atfork' handlers have completed.
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By that time, the hooks will have been reset as well, so that
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@ -4554,7 +4573,7 @@ free_atfork(mem, caller) Void_t* mem; const Void_t *caller;
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if (mem == 0) /* free(0) has no effect */
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return;
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p = mem2chunk(mem);
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p = mem2chunk(mem); /* do not bother to replicate free_check here */
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#if HAVE_MMAP
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if (chunk_is_mmapped(p)) /* release mmapped memory. */
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@ -4573,7 +4592,7 @@ free_atfork(mem, caller) Void_t* mem; const Void_t *caller;
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(void)mutex_unlock(&ar_ptr->mutex);
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}
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#endif
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#endif /* !defined NO_THREADS */
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#endif /* defined _LIBC || defined MALLOC_HOOKS */
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@ -1,4 +1,4 @@
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/* Copyright (C) 1991, 1996, 1997, 1998 Free Software Foundation, Inc.
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/* Copyright (C) 1991, 1996, 1997, 1998, 1999 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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@ -88,7 +88,7 @@ main (int argc, char ** argv)
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sprintf (buf, "%f", strtod ("-0.0", NULL));
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if (strcmp (buf, "-0.000000") != 0)
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{
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printf (" strtod (\"-0.0\', NULL) returns \"%s\"\n", buf);
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printf (" strtod (\"-0.0\", NULL) returns \"%s\"\n", buf);
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status = 1;
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}
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