diff options
Diffstat (limited to 'sysdeps/unix/sysv/linux/alpha/brk.c')
-rw-r--r-- | sysdeps/unix/sysv/linux/alpha/brk.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/sysdeps/unix/sysv/linux/alpha/brk.c b/sysdeps/unix/sysv/linux/alpha/brk.c new file mode 100644 index 0000000000..d105a50724 --- /dev/null +++ b/sysdeps/unix/sysv/linux/alpha/brk.c @@ -0,0 +1,38 @@ +/* Change data segment size. Linux/Alpha. + Copyright (C) 2020 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + 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, see + <https://www.gnu.org/licenses/>. */ + +#include <errno.h> +#include <unistd.h> +#include <sysdep.h> + +void *__curbrk = 0; + +int +__brk (void *addr) +{ + /* Alpha brk returns -ENOMEM in case of failure. */ + __curbrk = (void *) INTERNAL_SYSCALL_CALL (brk, addr); + if ((unsigned long) __curbrk == -ENOMEM) + { + __set_errno (ENOMEM); + return -1; + } + + return 0; +} +weak_alias (__brk, brk) |