| Commit message (Collapse) | Author | Age | Files | Lines |
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This patch consolidates all the non cancellable close calls to use
the __close_nocancel{_nostatus} identifier. For non cancellable targets
it will be just a macro to call the default respective symbol while on Linux
will be a internal one.
Also, since it is used on libcrypto it is also exported in GLIBC_PRIVATE
namespace.
Checked on x86_64-linux-gnu, x86_64-linux-gnu-x32, and i686-linux-gnu.
* sysdeps/generic/not-cancel.h (close_not_cancel): Remove macro.
(close_not_cancel_no_status): Likewise.
(__close_nocancel): New macro.
(__close_nocancel_no_status): Likewise.
* sysdeps/unix/sysv/linux/not-cancel.h (__close_nocancel): Remove
macro.
(close_not_cancel): Likewise.
(close_not_cancel_no_status): Likewise.
(__close_nocancel): New prototype.
(__close_nocancel_no_status): New function.
* sysdeps/unix/sysv/linux/close.c (__close_nocancel): New function.
* catgets/open_catalog.c (__open_catalog): Replace
close_not_cancel{_no_status) with __close_nocancel{_nostatus}.
* gmon/gmon.c (write_gmon): Likewise.
* iconv/gconv_cache.c (__gconv_load_cache): Likewise.
* intl/loadmsgcat.c (close): Likewise.
* io/ftw.c (open_dir_stream): Likewise.
(ftw_startup): Likewise.
* libio/fileops.c (_IO_file_open): Likewise.
(_IO_file_close_mmap): Likewise.
(_IO_file_close): Likewise.
* libio/iopopen.c (_IO_dup2): Likewise.
* locale/loadarchive.c (_nl_load_locale_from_archive): Likewise.
* locale/loadlocale.c (_nl_load_locale): Likewise.
* login/utmp_file.c (pututline_file): Likewise.
(endutent_file): Likewise.
* misc/daemon.c (daemon): Likewise.
* nscd/nscd_getai.c (__nscd_getai): Likewise.
* nscd/nscd_getgr_r.c (nscd_getgr_r): Likewise.
* nscd/nscd_gethst_r.c (nscd_gethst_r): Likewise.
* nscd/nscd_getpw_r.c (nscd_getpw_r): Likewise.
* nscd/nscd_getserv_r.c (nscd_getserv_r): Likewise.
* nscd/nscd_helper.c (open_socket): Likewise.
(__nscd_open_socket): Likewise.
* nscd/nscd_initgroups.c (__nscd_getgrouplist): Likewise.
* nscd/nscd_netgroup.c (__nscd_setnetgrent): Likewise.
(__nscd_innetgr): Likewise.
* nss/nss_db/db-open.c (internal_setent): Likewise.
* resolv/res-close.c (__res_iclose): Likewise.
* sunrpc/pm_getmaps.c (pmap_getmaps): Likewise.
* sysdeps/posix/closedir.c (__closedir): Likewise.
* sysdeps/posix/getaddrinfo.c (getaddrinfo): Likewise.
* sysdeps/posix/getcwd.c (__getcwd): Likewise.
* sysdeps/posix/opendir.c (tryopen_o_directory): Likewise.
(opendir_tail): Likewise.
* sysdeps/posix/spawni.c (__spawni_child): Likewise.
* sysdeps/unix/sysv/linux/check_native.c (__check_native): Likewise.
* sysdeps/unix/sysv/linux/check_pf.c (__check_pf): Likewise.
* sysdeps/unix/sysv/linux/fips-private.h (fips_enabled_p): Likewise.
* sysdeps/unix/sysv/linux/gethostid.c (sethostid): Likewise.
(gethostid): Likewise.
* sysdeps/unix/sysv/linux/getloadavg.c (getloadavg): Likewise.
* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid):
Likewise.
* sysdeps/unix/sysv/linux/getsysstats.c (__get_nprocs): Likewise.
* sysdeps/unix/sysv/linux/grantpt.c (close_all_fds): Likewise.
* sysdeps/unix/sysv/linux/i386/smp.h (is_smp_system): Likewise.
* sysdeps/unix/sysv/linux/ia64/has_cpuclock.c (has_cpuclock):
Likewise.
* sysdeps/unix/sysv/linux/if_index.c (__if_nametoindex): Likewise.
* sysdeps/unix/sysv/linux/libc_fatal.c (backtrace_and_maps): Likewise.
* sysdeps/unix/sysv/linux/malloc-sysdep.h (check_may_shrink_heap):
Likewise.
* sysdeps/unix/sysv/linux/mq_notify.c (init_mq_netlink): Likewise.
* sysdeps/unix/sysv/linux/pthread_getname.c (pthread_getname_np):
Likewise.
* sysdeps/unix/sysv/linux/pthread_setname.c (pthread_setname_np):
Likewise.
* sysdeps/unix/sysv/linux/spawni.c (__spawni_child): Likewise.
* sysdeps/unix/sysv/linux/sysconf.c (__sysconf): Likewise.
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This patch consolidates all the non cancellable read calls to use
the __read_nocancel identifier. For non cancellable targets it will
be just a macro to call the default respective symbol while on Linux
will be a internal one.
Also, since it is used on libcrypto it is also exported in GLIBC_PRIVATE
namespace.
Checked on x86_64-linux-gnu, x86_64-linux-gnu-x32, and i686-linux-gnu.
* sysdeps/generic/not-cancel.h (read_not_cancel): Remove macro.
(__read_nocancel): New macro.
* sysdeps/unix/sysv/linux/Versions (libc) [GLIBC_PRIVATE]: Add
__read_nocancel.
* sysdeps/unix/sysv/linux/not-cancel.h (__read_nocancel): Remove
macro.
(__read_nocancel): New prototype.
* sysdeps/unix/sysv/linux/read.c (__read_nocancel): New function.
* catgets/open_catalog.c (__open_catalog): Replace read_not_cancel
with __read_nocancel.
* intl/loadmsgcat.c (read): Likewise.
* libio/fileops.c (_IO_file_read): Likewise.
* locale/loadlocale.c (_nl_load_locale): Likewise.
* login/utmp_file.c (getutent_r_file): Likewise.
(internal_getut_r): Likewise.
(getutline_r_file): Likewise.
* sysdeps/unix/sysv/linux/fips-private.h (fips_enable_p): Likewise.
* sysdeps/unix/sysv/linux/gethostid.c (gethostid): Likewise.
* sysdeps/unix/sysv/linux/getloadavg.c (getloadavg): Likewise.
* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid):
Likewise.
* sysdeps/unix/sysv/linux/getsysstats.c (next_line): Likewise.
* sysdeps/unix/sysv/linux/i386/smp.h (is_smp_system): Likewise.
* sysdeps/unix/sysv/linux/ia64/has_cpuclock.c (has_cpuclock):
Likewise.
* sysdeps/unix/sysv/linux/libc_fatal.c (backtrace_and_maps):
Likewise.
* sysdeps/unix/sysv/linux/malloc-sysdep.h (check_may_shrink_heap):
Likewise.
* sysdeps/unix/sysv/linux/pthread_getname.c (pthread_getname_np):
Likewise.
* sysdeps/unix/sysv/linux/sysconf.c (__sysconf): Likewise.
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This patch consolidates all the non cancellable open calls to use
the __open_nocancel identifier. For non cancellable targets it will
be just a macro to call the default respective symbol while on Linux
will be a internal one.
To be consistent with the following non cancellable openat call, a
new __open64_nocancel is also added (although not currently used).
Checked on x86_64-linux-gnu, x86_64-linux-gnu-x32, and i686-linux-gnu.
* sysdeps/generic/not-cancel.h (open_not_cancel): Remove macro.
(open_not_cancel_2): Likewise.
(open_nocancel): New macro.
(open64_nocancel): Likewise.
* sysdeps/unix/sysv/linux/not-cancel.h (open_not_cancel): Remove macro.
(open_not_cancel_2): Likewise.
(__open_nocancel): New prototype.
(__open64_nocancel): Likewise.
* sysdeps/unix/sysv/linux/Versions (libc) [GLIBC_PRIVATE]: Add
__open_nocancel.
* sysdeps/unix/sysv/linux/open.c (__open_nocancel): New function.
* sysdeps/unix/sysv/linux/open64.c (__open64_nocancel): Likewise.
* catgets/open_catalog.c (__open_catalog): Replace open_not_cancel{_2}
with __open_nocancel.
* csu/check_fds.c (check_one_fd): Likewise.
* gmon/gmon.c (write_gmon): Likewise.
* iconv/gconv_cache.c (__gconv_load_cached): Likewise.
* intl/loadmsgcat.c (open): Likewise.
* libio/fileops.c (_IO_file_open): Likewise.
* locale/loadarchive.c (_nl_load_locale_from_archive): Likewise.
* locale/loadlocale.c (_nl_load_locale): Likewise.
* login/utmp_file.c (setutent_file): Likewise.
* misc/daemon.c (daemon): Likewise.
* nss/nss_db/db-open.c (internal_setent): Likewise.
* sysdeps/mach/hurd/opendir.c (__opendirat): Likewise.
* sysdeps/posix/libc_fatal.c (__libc_message): Likewise.
* sysdeps/posix/opendir.c (tryopen_o_directory): Likewise.
(__opendir): Likewise.
* sysdeps/posix/spawni.c (__spawni_child): Likewise.
* sysdeps/unix/sysv/linux/fips-private.h (fips_enable_p): Likewise.
* sysdeps/unix/sysv/linux/gethostid.c (sethostid): Likewise.
(gethostid): Likewise.
* sysdeps/unix/sysv/linux/getloadavg.c (getloadavg): Likewise.
* sysdeps/unix/sysv/linux/getlogin_r.c (__getlogin_r_loginuid):
Likewise.
* sysdeps/unix/sysv/linux/getsysstats.c (__get_nprocs): Likewise.
* sysdeps/unix/sysv/linux/grantpt.c (__close_all_fds): Likewise.
* sysdeps/unix/sysv/linux/i386/smp.h (is_smp_system): Likewise.
* sysdeps/unix/sysv/linux/ia64/has_cpuclock.c (has_cpuclock):
Likewise.
* sysdeps/unix/sysv/linux/libc_fatal.c (backtrace_and_maps):
Likewise.
* sysdeps/unix/sysv/linux/malloc-sysdep.h (check_may_shrink_heap):
Likewise.
* sysdeps/unix/sysv/linux/powerpc/get_clockfreq.c (__get_clockfreq):
Likewise.
* sysdeps/unix/sysv/linux/pthread_getname.c (pthread_getname_np):
Likewise.
* sysdeps/unix/sysv/linux/pthread_setname.c (pthread_setname_np):
Likewise.
* sysdeps/unix/sysv/linux/spawni.c (__spawni_child): Likewise.
* sysdeps/unix/sysv/linux/sysconf.c (__sysconf): Likewise.
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Introduce (only on Linux) and use a HAVE_MREMAP symbol to advertize mremap
availability.
Move the malloc-sysdep.h include from arena.c to malloc.c, since what is
provided by malloc-sysdep.h is needed earlier in malloc.c, before the inclusion
of arena.c.
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Using madvise with MADV_DONTNEED to release memory back to the kernel
is not sufficient to change the commit charge accounted against the
process on Linux. It is OK however, when overcommit is enabled or is
heuristic. However, when overcommit is restricted to a percentage of
memory setting the contents of /proc/sys/vm/overcommit_memory as 2, it
makes a difference since memory requests will fail. Hence, we do what
we do with secure exec binaries, which is to call mmap on the region
to be dropped with MAP_FIXED. This internally unmaps the pages in
question and reduces the amount of memory accounted against the
process.
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