Update.
1998-11-25 Ulrich Drepper <drepper@cygnus.com> * version.h (VERSION): Bump to 2.0.104. 1998-11-25 Mark Kettenis <kettenis@phys.uva.nl> * libio/bits/stdio.h (fread_unlocked): Add missing parentheses around parameter n. 1998-11-24 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> * time/tzfile.c (__tzfile_read): Fix comment. 1998-11-24 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> * Makerules (build-shlib): Pass -O1 down to linker to get optimized shared libraries. 1998-11-24 Andreas Schwab <schwab@issan.cs.uni-dortmund.de> * Makeconfig ($(common-objpfx)sysd-dirs): Cope with no Subdirs file. Strip "-" from inhibited subdir name. Combine into a single awk program. ($(common-objpfx)sysd-sorted): Fix sed command.
This commit is contained in:
Ulrich Drepper
parent
e66b6eca3d
commit
0155a7737f
25
ChangeLog
25
ChangeLog
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@ -1,3 +1,28 @@
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1998-11-25 Ulrich Drepper <drepper@cygnus.com>
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* version.h (VERSION): Bump to 2.0.104.
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1998-11-25 Mark Kettenis <kettenis@phys.uva.nl>
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* libio/bits/stdio.h (fread_unlocked): Add missing parentheses
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around parameter n.
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1998-11-24 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
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* time/tzfile.c (__tzfile_read): Fix comment.
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1998-11-24 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
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* Makerules (build-shlib): Pass -O1 down to linker to get
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optimized shared libraries.
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1998-11-24 Andreas Schwab <schwab@issan.cs.uni-dortmund.de>
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* Makeconfig ($(common-objpfx)sysd-dirs): Cope with no Subdirs
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file. Strip "-" from inhibited subdir name. Combine into a
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single awk program.
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($(common-objpfx)sysd-sorted): Fix sed command.
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1998-11-25 Roland McGrath <roland@baalperazim.frob.com>
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* sysdeps/mach/hurd/i386/init-first.c (init): Restored as inline fn.
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28
FAQ
28
FAQ
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@ -93,6 +93,7 @@ please let me know.
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2.23. I just upgraded my Linux system to glibc and now I get
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errors whenever I try to link any program.
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2.24. When I use nscd the machine freezes.
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2.25. I need lots of open files. What do I have to do?
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3. Source and binary incompatibilities, and what to do about them
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@ -943,6 +944,33 @@ If you need nscd, you have to use a 2.1 kernel.
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Note that I have at this point no information about any other platform.
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2.25. I need lots of open files. What do I have to do?
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{AJ} This is at first a kernel issue. The kernel defines limits with
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OPEN_MAX the number of simultaneous open files and with FD_SETSIZE the
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number of used file descriptors. You need to change these values in your
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kernel and recompile the kernel so that the kernel allows to use more open
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files. You don't necessarily need to recompile the GNU C library since the
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only place where OPEN_MAX and FD_SETSIZE is really needed in the library
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itself is the size of fd_set which is used by select.
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The GNU C library is now (nearly) select free. This means it internally has
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no limits imposed by the `fd_set' type. Instead almost all places where the
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functionality is needed the `poll' function is used.
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If you increase the number of file descriptors in the kernel you don't need
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to recompile the C library. The remaining select calls are in the RPC code.
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If your RPC daemons don't need more than FD_SETSIZE file descriptors, you
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don't need to change anything at all.
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{UD} You can always get the maximum number of file descriptors a process is
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allowed to have open at any time using
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number = sysconf (_SC_OPEN_MAX);
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This will work even if the kernel limits change.
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. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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27
FAQ.in
27
FAQ.in
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@ -776,6 +776,33 @@ If you need nscd, you have to use a 2.1 kernel.
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Note that I have at this point no information about any other platform.
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?? I need lots of open files. What do I have to do?
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{AJ} This is at first a kernel issue. The kernel defines limits with
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OPEN_MAX the number of simultaneous open files and with FD_SETSIZE the
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number of used file descriptors. You need to change these values in your
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kernel and recompile the kernel so that the kernel allows to use more open
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files. You don't necessarily need to recompile the GNU C library since the
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only place where OPEN_MAX and FD_SETSIZE is really needed in the library
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itself is the size of fd_set which is used by select.
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The GNU C library is now (nearly) select free. This means it internally has
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no limits imposed by the `fd_set' type. Instead almost all places where the
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functionality is needed the `poll' function is used.
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If you increase the number of file descriptors in the kernel you don't need
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to recompile the C library. The remaining select calls are in the RPC code.
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If your RPC daemons don't need more than FD_SETSIZE file descriptors, you
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don't need to change anything at all.
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{UD} You can always get the maximum number of file descriptors a process is
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allowed to have open at any time using
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number = sysconf (_SC_OPEN_MAX);
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This will work even if the kernel limits change.
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? Source and binary incompatibilities, and what to do about them
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?? I expect GNU libc to be 100% source code compatible with
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16
Makeconfig
16
Makeconfig
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@ -772,14 +772,14 @@ subdirs := $(filter mach,$(subdirs)) $(filter hurd,$(subdirs)) \
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all-Subdirs-files = $(wildcard $(config-sysdirs:%=$(..)%/Subdirs))
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$(common-objpfx)sysd-dirs: $(common-objpfx)config.make $(all-Subdirs-files)
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($(AWK) 'END { printf ("sysdep-subdirs =") }' /dev/null; \
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$(AWK) '/^[^#-]/ { printf (" %s", $$0) }' $(all-Subdirs-files);\
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echo; \
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$(AWK) 'END { printf ("sysdep-inhibit-subdirs =") }' /dev/null;\
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$(AWK) '/^-/ { printf (" %s", $$0) }' $(all-Subdirs-files); \
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echo; \
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echo 'sysd-dirs-done = t'; \
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) > $@-tmp
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$(AWK) 'BEGIN { subdirs = ""; inhibit = "" }; \
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/^#/ { next }; \
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/^[^-]/ { subdirs = subdirs " " $$0 }; \
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/^-/ { inhibit = inhibit " " substr($$0, 2) }; \
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END { printf "sysdep-subdirs =%s\n", subdirs; \
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printf "sysdep-inhibit-subdirs =%s\n", inhibit; \
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print "sysd-dirs-done = t" }' \
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/dev/null $(all-Subdirs-files) > $@-tmp
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mv -f $@-tmp $@
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all-Depend-files = $(wildcard $(..)*/Depend)
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@ -359,7 +359,7 @@ lib%.so: lib%_pic.a $(+preinit) $(+postinit) $(+interp)
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$(build-shlib)
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define build-shlib
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$(LINK.o) -shared -O -o $@ $(sysdep-LDFLAGS) $(config-LDFLAGS) \
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$(LINK.o) -shared -Wl,-O1 -o $@ $(sysdep-LDFLAGS) $(config-LDFLAGS) \
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-B$(csu-objpfx) $(load-map-file) \
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-Wl,-soname=lib$(libprefix)$(@F:lib%.so=%).so$($(@F)-version) \
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$(LDFLAGS.so) $(LDFLAGS-$(@F:lib%.so=%).so) \
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@ -144,7 +144,7 @@ ferror_unlocked (FILE *__stream) __THROW
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|| (__builtin_constant_p (n) && (n) == 0)) \
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/* Evaluate all parameters once. */ \
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? ((void) (ptr), (void) (stream), (void) (size), \
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(void) n, 0) \
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(void) (n), 0) \
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: fread_unlocked (ptr, size, n, stream))))
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# define fwrite_unlocked(ptr, size, n, stream) \
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@ -309,7 +309,7 @@ __tzfile_read (const char *file)
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compute_tzname_max (chars);
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if (num_transitions == 0)
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/* Use the first rule (which should also be the only one. */
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/* Use the first rule (which should also be the only one). */
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rule_stdoff = rule_dstoff = types[0].offset;
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else
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{
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