lib/glibc
1
0
Fork 0
mirror of https://sourceware.org/git/glibc.git synced 2025-08-08 17:42:12 +03:00
Code Activity

* sysdeps/mach/hurd/brk.c (DATA_SIZE): Bump to 128MB.

Browse Source 
(_hurd_set_brk): Try to allocate more space when we run out.
	* sysdeps/generic/sbrk.c: If __curbrk is zero, call __brk with
	zero and examine it again.
	* sysdeps/unix/sysv/linux/i386/brk.c: New file.
	* sysdeps/unix/sysv/linux/i386/brk.S: File removed.
	* sysdeps/unix/sysv/linux/i386/sbrk.S: File removed.
	* sysdeps/unix/sysv/linux/dl-sysdep.c: New file.
This commit is contained in:
Roland McGrath
1995-12-03 10:00:22 +00:00
parent 0fe4e55291
commit 683158e0c4
5 changed files with 128 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

23
sysdeps/mach/hurd/brk.c
View File

@@ -23,8 +23,8 @@ Cambridge, MA 02139, USA. */
#include <cthreads.h> /* For `struct mutex'. */
/* Initial maximum size of the data segment (32MB, which is arbitrary). */
#define DATA_SIZE (32 * 1024 * 1024)
/* Initial maximum size of the data segment (this is arbitrary). */
#define DATA_SIZE (128 * 1024 * 1024)
/* Up to the page including this address is allocated from the kernel.
@@ -85,13 +85,20 @@ _hurd_set_brk (vm_address_t addr)
return -1;
}
/* Make the memory accessible. */
if (err = __vm_protect (__mach_task_self (), pagebrk, pagend - pagebrk,
0, VM_PROT_READ|VM_PROT_WRITE|VM_PROT_EXECUTE))
if (pagend > _hurd_data_end)
{
errno = err;
return -1;
/* We didn't allocate enough space! Hopefully we can get some more! */
err = __vm_allocate (__mach_task_self (), &pagebrk, pagend - pagebrk, 0);
if (! err)
_hurd_data_end = pagend;
}
else
/* Make the memory accessible. */
err = __vm_protect (__mach_task_self (), pagebrk, pagend - pagebrk,
0, VM_PROT_READ|VM_PROT_WRITE|VM_PROT_EXECUTE);
if (err)
return __hurd_fail (err);
_hurd_brk = addr;
return 0;
@@ -112,7 +119,7 @@ init_brk (void)
pagend = round_page (_hurd_brk);
_hurd_data_end = (vm_address_t) &__data_start + DATA_SIZE;
_hurd_data_end = round_page ((vm_address_t) &__data_start + DATA_SIZE);
if (pagend < _hurd_data_end)
{