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| author | Ulrich Drepper <drepper@redhat.com> | 2000-08-19 16:58:09 +0000 |
|---|---|---|
| committer | Ulrich Drepper <drepper@redhat.com> | 2000-08-19 16:58:09 +0000 |
| commit | 60f0e64b3c13cf717fd49d327dbbca88568ca647 (patch) | |
| tree | 06093754479c7bbe18bed7bb50a905358290f42f /malloc/malloc.c | |
| parent | 277723d891149ded87f4d7fbb080575c722bdf75 (diff) | |
| download | glibc-60f0e64b3c13cf717fd49d327dbbca88568ca647.zip glibc-60f0e64b3c13cf717fd49d327dbbca88568ca647.tar.gz glibc-60f0e64b3c13cf717fd49d327dbbca88568ca647.tar.bz2 | |
Update.
* malloc/mtrace.pl (usage): Inform about --help.
2000-08-19 Wolfram Gloger <wg@malloc.de>
* malloc/malloc.c (new_heap): try harder to get an aligned chunk of
size HEAP_MAX_SIZE.
2000-08-19 Andreas Jaeger <aj@suse.de>
* shlib-versions: Remove libnss_db, libdb and libdb1.
2000-08-19 Jakub Jelinek <jakub@redhat.com>
* sysdeps/unix/sysv/linux/alpha/readdir.c: Move...
* sysdeps/unix/sysv/linux/ia64/readdir.c: ...here and
* sysdeps/unix/sysv/linux/sparc/sparc64/readdir.c: ...here.
* sysdeps/unix/sysv/linux/alpha/readdir_r.c: Move...
* sysdeps/unix/sysv/linux/ia64/readdir_r.c: ...here and
* sysdeps/unix/sysv/linux/sparc/sparc64/readdir_r.c: ...here.
* sysdeps/unix/sysv/linux/alpha/readdir64.c: Remove.
* sysdeps/unix/sysv/linux/alpha/readdir64_r.c: Remove.
* sysdeps/unix/sysv/linux/alpha/getdents64.c: Remove.
* sysdeps/unix/sysv/linux/alpha/getdents.c: Only use for non-LFS
getdents.
* sysdeps/unix/sysv/linux/readdir64.c: Remove versioning.
* sysdeps/unix/sysv/linux/readdir64_r.c: Likewise.
2000-08-18 Jakub Jelinek <jakub@redhat.com>
* include/glob.h (__glob64): Add prototype.
* sysdeps/generic/glob.c: If GLOB_ONLY_P is defined, only
define glob and glob_in_dir.
* sysdeps/unix/sysv/linux/i386/Versions: Add glob64@@GLIBC_2.2.
* sysdeps/unix/sysv/linux/arm/Versions: Likewise.
* sysdeps/unix/sysv/linux/powerpc/Versions: Likewise.
* sysdeps/unix/sysv/linux/sparc/sparc32/Versions: Likewise.
* sysdeps/unix/sysv/linux/i386/glob64.c: New file.
* sysdeps/unix/sysv/linux/arm/glob64.c: New file.
* sysdeps/unix/sysv/linux/powerpc/glob64.c: New file.
* sysdeps/unix/sysv/linux/sparc/sparc32/glob64.c: New file.
2000-08-18 Jakub Jelinek <jakub@redhat.com>
* malloc/Makefile (memusage): libmemusage.so is installed in slibdir.
2000-08-17 Andreas Jaeger <aj@suse.de>
* math/test-fenv.c (fe_single_test): New function.
(fe_env_tests): Use fe_single_test.
(feenable_test): New tests for feenable/fedisable and
fegetexcpetions.
(feexcp_mask_test): New function.
(feexcp_nomask_test): New function.
2000-08-19 Richard Henderson <rth@cygnus.com>
* sysdeps/alpha/fpu/fenv_libc.h: New file.
* sysdeps/alpha/fpu/fclrexcpt.c: Use it.
* sysdeps/alpha/fpu/fegetenv.c: Likewise.
* sysdeps/alpha/fpu/fesetround.c: Likewise.
* sysdeps/alpha/fpu/fegetround.c: Likewise.
* sysdeps/alpha/fpu/fgetexcptflg.c: Likewise.
* sysdeps/alpha/fpu/fraiseexcpt.c: Likewise.
* sysdeps/alpha/fpu/ftestexcept.c: Likewise.
* sysdeps/alpha/fpu/fedisblxcpt.c: Likewise. Use the smaller mask.
* sysdeps/alpha/fpu/feenablxcpt.c: Likewise.
* sysdeps/alpha/fpu/fegetexcept.c: Likewise.
* sysdeps/alpha/fpu/feholdexcpt.c: Retain the SWCR_MAP bits.
* sysdeps/alpha/fpu/fesetenv.c: Likewise.
* sysdeps/alpha/fpu/feupdateenv.c: Likewise.
* sysdeps/alpha/fpu/fsetexcptflg.c: Likewise.
* sysdeps/alpha/fpu/bits/fenv.h (FE_DENORMAL): New.
(FE_MAP_DMZ, FE_MAP_UMZ, FE_NONIEEE_ENV): New.
2000-08-19 Andreas Jaeger <aj@suse.de>
Diffstat (limited to 'malloc/malloc.c')
| -rw-r--r-- | malloc/malloc.c | 22 |
1 files changed, 16 insertions, 6 deletions
diff --git a/malloc/malloc.c b/malloc/malloc.c index af20ca2..9ae5b6e 100644 --- a/malloc/malloc.c +++ b/malloc/malloc.c @@ -2013,12 +2013,22 @@ new_heap(size) size_t size; mapping (on Linux, this is the case for all non-writable mappings anyway). */ p1 = (char *)MMAP(0, HEAP_MAX_SIZE<<1, PROT_NONE, MAP_PRIVATE|MAP_NORESERVE); - if(p1 == MAP_FAILED) - return 0; - p2 = (char *)(((unsigned long)p1 + HEAP_MAX_SIZE) & ~(HEAP_MAX_SIZE-1)); - ul = p2 - p1; - munmap(p1, ul); - munmap(p2 + HEAP_MAX_SIZE, HEAP_MAX_SIZE - ul); + if(p1 != MAP_FAILED) { + p2 = (char *)(((unsigned long)p1 + HEAP_MAX_SIZE) & ~(HEAP_MAX_SIZE-1)); + ul = p2 - p1; + munmap(p1, ul); + munmap(p2 + HEAP_MAX_SIZE, HEAP_MAX_SIZE - ul); + } else { + /* Try to take the chance that an allocation of only HEAP_MAX_SIZE + is already aligned. */ + p2 = (char *)MMAP(0, HEAP_MAX_SIZE, PROT_NONE, MAP_PRIVATE|MAP_NORESERVE); + if(p2 == MAP_FAILED) + return 0; + if((unsigned long)p2 & (HEAP_MAX_SIZE-1)) { + munmap(p2, HEAP_MAX_SIZE); + return 0; + } + } if(mprotect(p2, size, PROT_READ|PROT_WRITE) != 0) { munmap(p2, HEAP_MAX_SIZE); return 0; |