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libiberty.h (fopen_unlocked, [...]): Provide prototypes for new functions.
include: * libiberty.h (fopen_unlocked, fdopen_unlocked, freopen_unlocked): Provide prototypes for new functions. libiberty: * Makefile.in (CFILES): Add fopen_unlocked.c. (REQUIRED_OFILES): Add ./fopen_unlocked.o. Regenerate dependencies. * configure.ac: Check for stdio_ext.h and __fsetlocking. * fopen_unlocked.c: New file. * functions.texi, configure, config.in: Regenerate. From-SVN: r97977
This commit is contained in:
Kaveh R. Ghazi
Kaveh Ghazi
parent
f5f7d171c3
commit
78a7dc9032
@ -1,3 +1,8 @@
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2005-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
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* libiberty.h (fopen_unlocked, fdopen_unlocked, freopen_unlocked):
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Provide prototypes for new functions.
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2005-03-29 Ian Lance Taylor <ian@airs.com>
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* libiberty.h: Fix indentation.
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@ -48,6 +48,14 @@ extern "C" {
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#include <stdio.h>
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/* Open and return a FILE pointer. If the OS supports it, ensure that
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the stream is setup to avoid any multi-threaded locking. Otherwise
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return the FILE pointer unchanged. */
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extern FILE *fopen_unlocked (const char *path, const char *mode);
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extern FILE *fdopen_unlocked (int fildes, const char *mode);
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extern FILE *freopen_unlocked (const char *path, const char *mode, FILE *stream);
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/* Build an argument vector from a string. Allocates memory using
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malloc. Use freeargv to free the vector. */
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@ -1,3 +1,15 @@
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2005-04-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
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* Makefile.in (CFILES): Add fopen_unlocked.c.
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(REQUIRED_OFILES): Add ./fopen_unlocked.o.
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Regenerate dependencies.
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* configure.ac: Check for stdio_ext.h and __fsetlocking.
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* fopen_unlocked.c: New file.
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* functions.texi, configure, config.in: Regenerate.
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2005-04-04 Ian Lance Taylor <ian@airs.com>
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* testsuite/test-pexecute.c (TEST_PEX_RUN): Move variable
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@ -132,6 +132,7 @@ CFILES = alloca.c argv.c asprintf.c atexit.c \
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cp-demint.c cplus-dem.c \
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dyn-string.c \
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fdmatch.c ffs.c fibheap.c floatformat.c fnmatch.c \
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fopen_unlocked.c \
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getcwd.c getopt.c getopt1.c getpagesize.c getpwd.c getruntime.c \
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gettimeofday.c \
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hashtab.c hex.c \
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@ -165,6 +166,7 @@ REQUIRED_OFILES = ./regex.o ./cplus-dem.o ./cp-demangle.o ./md5.o \
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./choose-temp.o ./concat.o ./cp-demint.o \
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./dyn-string.o \
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./fdmatch.o ./fibheap.o ./floatformat.o ./fnmatch.o \
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./fopen_unlocked.o \
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./getopt.o ./getopt1.o ./getpwd.o ./getruntime.o \
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./hashtab.o ./hex.o \
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./lbasename.o ./lrealpath.o \
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@ -584,6 +586,13 @@ $(CONFIGURED_OFILES): stamp-picdir
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else true; fi
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$(COMPILE.c) $(srcdir)/fnmatch.c $(OUTPUT_OPTION)
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./fopen_unlocked.o: $(srcdir)/fopen_unlocked.c config.h $(INCDIR)/ansidecl.h \
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$(INCDIR)/libiberty.h
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if [ x"$(PICFLAG)" != x ]; then \
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$(COMPILE.c) $(PICFLAG) $(srcdir)/fopen_unlocked.c -o pic/$@; \
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else true; fi
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$(COMPILE.c) $(srcdir)/fopen_unlocked.c $(OUTPUT_OPTION)
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./getcwd.o: $(srcdir)/getcwd.c config.h
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if [ x"$(PICFLAG)" != x ]; then \
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$(COMPILE.c) $(PICFLAG) $(srcdir)/getcwd.c -o pic/$@; \
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@ -1041,7 +1050,7 @@ $(CONFIGURED_OFILES): stamp-picdir
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else true; fi
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$(COMPILE.c) $(srcdir)/vsprintf.c $(OUTPUT_OPTION)
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./waitpid.o: $(srcdir)/waitpid.c config.h
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./waitpid.o: $(srcdir)/waitpid.c config.h $(INCDIR)/ansidecl.h
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if [ x"$(PICFLAG)" != x ]; then \
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$(COMPILE.c) $(PICFLAG) $(srcdir)/waitpid.c -o pic/$@; \
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else true; fi
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@ -151,6 +151,9 @@
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/* Define to 1 if you have the <stdint.h> header file. */
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#undef HAVE_STDINT_H
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/* Define to 1 if you have the <stdio_ext.h> header file. */
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#undef HAVE_STDIO_EXT_H
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/* Define to 1 if you have the <stdlib.h> header file. */
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#undef HAVE_STDLIB_H
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@ -322,6 +325,9 @@
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/* Define if you have the _system_configuration variable. */
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#undef HAVE__SYSTEM_CONFIGURATION
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/* Define to 1 if you have the `__fsetlocking' function. */
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#undef HAVE___FSETLOCKING
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/* Define if the host machine stores words of multi-word integers in
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big-endian order. */
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#undef HOST_WORDS_BIG_ENDIAN
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8
libiberty/configure
vendored
8
libiberty/configure
vendored
@ -3540,7 +3540,8 @@ host_makefile_frag=${frag}
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for ac_header in sys/file.h sys/param.h limits.h stdlib.h malloc.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h alloca.h sys/pstat.h sys/sysmp.h sys/sysinfo.h machine/hal_sysinfo.h sys/table.h sys/sysctl.h sys/systemcfg.h stdint.h
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for ac_header in sys/file.h sys/param.h limits.h stdlib.h malloc.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h alloca.h sys/pstat.h sys/sysmp.h sys/sysinfo.h machine/hal_sysinfo.h sys/table.h sys/sysctl.h sys/systemcfg.h stdint.h stdio_ext.h
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do
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as_ac_Header=`echo "ac_cv_header_$ac_header" | $as_tr_sh`
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echo "$as_me:$LINENO: checking for $ac_header" >&5
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@ -4818,7 +4819,7 @@ vars="sys_errlist sys_nerr sys_siglist"
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checkfuncs="getrusage on_exit psignal strerror strsignal sysconf times sbrk gettimeofday"
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checkfuncs="$checkfuncs realpath canonicalize_file_name pstat_getstatic pstat_getdynamic sysmp"
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checkfuncs="$checkfuncs getsysinfo table sysctl wait3 wait4"
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checkfuncs="$checkfuncs getsysinfo table sysctl wait3 wait4 __fsetlocking"
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# These are neither executed nor required, but they help keep
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# autoheader happy without adding a bunch of text to acconfig.h.
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@ -4888,6 +4889,7 @@ if test "x" = "y"; then
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for ac_func in asprintf atexit basename bcmp bcopy bsearch bzero calloc clock \
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@ -4898,7 +4900,7 @@ for ac_func in asprintf atexit basename bcmp bcopy bsearch bzero calloc clock \
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vsprintf waitpid getrusage on_exit psignal strerror strsignal \
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sysconf times sbrk gettimeofday ffs snprintf vsnprintf \
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pstat_getstatic pstat_getdynamic sysmp getsysinfo table sysctl wait3 wait4 \
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realpath canonicalize_file_name
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realpath canonicalize_file_name __fsetlocking
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do
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as_ac_var=`echo "ac_cv_func_$ac_func" | $as_tr_sh`
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echo "$as_me:$LINENO: checking for $ac_func" >&5
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@ -159,7 +159,7 @@ AC_SUBST_FILE(host_makefile_frag)
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# It's OK to check for header files. Although the compiler may not be
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# able to link anything, it had better be able to at least compile
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# something.
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AC_CHECK_HEADERS(sys/file.h sys/param.h limits.h stdlib.h malloc.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h alloca.h sys/pstat.h sys/sysmp.h sys/sysinfo.h machine/hal_sysinfo.h sys/table.h sys/sysctl.h sys/systemcfg.h stdint.h)
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AC_CHECK_HEADERS(sys/file.h sys/param.h limits.h stdlib.h malloc.h string.h unistd.h strings.h sys/time.h time.h sys/resource.h sys/stat.h sys/mman.h fcntl.h alloca.h sys/pstat.h sys/sysmp.h sys/sysinfo.h machine/hal_sysinfo.h sys/table.h sys/sysctl.h sys/systemcfg.h stdint.h stdio_ext.h)
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AC_HEADER_SYS_WAIT
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AC_HEADER_TIME
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@ -268,7 +268,7 @@ vars="sys_errlist sys_nerr sys_siglist"
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checkfuncs="getrusage on_exit psignal strerror strsignal sysconf times sbrk gettimeofday"
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checkfuncs="$checkfuncs realpath canonicalize_file_name pstat_getstatic pstat_getdynamic sysmp"
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checkfuncs="$checkfuncs getsysinfo table sysctl wait3 wait4"
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checkfuncs="$checkfuncs getsysinfo table sysctl wait3 wait4 __fsetlocking"
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# These are neither executed nor required, but they help keep
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# autoheader happy without adding a bunch of text to acconfig.h.
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@ -281,7 +281,7 @@ if test "x" = "y"; then
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vsprintf waitpid getrusage on_exit psignal strerror strsignal \
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sysconf times sbrk gettimeofday ffs snprintf vsnprintf \
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pstat_getstatic pstat_getdynamic sysmp getsysinfo table sysctl wait3 wait4 \
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realpath canonicalize_file_name)
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realpath canonicalize_file_name __fsetlocking)
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AC_DEFINE(HAVE_SYS_ERRLIST, 1, [Define if you have the sys_errlist variable.])
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AC_DEFINE(HAVE_SYS_NERR, 1, [Define if you have the sys_nerr variable.])
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AC_DEFINE(HAVE_SYS_SIGLIST, 1, [Define if you have the sys_siglist variable.])
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93
libiberty/fopen_unlocked.c
Normal file
93
libiberty/fopen_unlocked.c
Normal file
@ -0,0 +1,93 @@
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/* Implement fopen_unlocked and related functions.
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Copyright (C) 2005 Free Software Foundation, Inc.
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Written by Kaveh R. Ghazi <ghazi@caip.rutgers.edu>.
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This file is part of the libiberty library.
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Libiberty is free software; you can redistribute it and/or
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modify it under the terms of the GNU Library General Public
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License as published by the Free Software Foundation; either
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version 2 of the License, or (at your option) any later version.
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Libiberty is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Library General Public License for more details.
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You should have received a copy of the GNU Library General Public
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License along with libiberty; see the file COPYING.LIB. If
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not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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Boston, MA 02111-1307, USA. */
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/*
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@deftypefn Extension FILE * fopen_unlocked (const char *@var{path}, const char * @var{mode})
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Opens and returns a @code{FILE} pointer via @code{fopen}. If the
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operating system supports it, ensure that the stream is setup to avoid
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any multi-threaded locking. Otherwise return the @code{FILE} pointer
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unchanged.
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@end deftypefn
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@deftypefn Extension FILE * fdopen_unlocked (int @var{fildes}, const char * @var{mode})
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Opens and returns a @code{FILE} pointer via @code{fdopen}. If the
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operating system supports it, ensure that the stream is setup to avoid
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any multi-threaded locking. Otherwise return the @code{FILE} pointer
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unchanged.
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@end deftypefn
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@deftypefn Extension FILE * freopen_unlocked (const char * @var{path}, const char * @var{mode}, FILE * @var{stream})
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Opens and returns a @code{FILE} pointer via @code{freopen}. If the
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operating system supports it, ensure that the stream is setup to avoid
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any multi-threaded locking. Otherwise return the @code{FILE} pointer
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unchanged.
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@end deftypefn
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <stdio.h>
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#ifdef HAVE_STDIO_EXT_H
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#include <stdio_ext.h>
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#endif
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#include "libiberty.h"
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FILE *
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fopen_unlocked (const char *path, const char *mode)
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{
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FILE *const fp = fopen (path, mode);
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#if defined(HAVE___FSETLOCKING) && defined(FSETLOCKING_BYCALLER)
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if (fp)
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__fsetlocking (fp, FSETLOCKING_BYCALLER);
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#endif
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return fp;
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}
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FILE *
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fdopen_unlocked (int fildes, const char *mode)
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{
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FILE *const fp = fdopen (fildes, mode);
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#if defined(HAVE___FSETLOCKING) && defined(FSETLOCKING_BYCALLER)
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if (fp)
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__fsetlocking (fp, FSETLOCKING_BYCALLER);
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#endif
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return fp;
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}
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FILE *
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freopen_unlocked (const char *path, const char *mode, FILE *stream)
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{
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FILE *const fp = freopen (path, mode, stream);
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#if defined(HAVE___FSETLOCKING) && defined(FSETLOCKING_BYCALLER)
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if (fp)
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__fsetlocking (fp, FSETLOCKING_BYCALLER);
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#endif
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return fp;
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}
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@ -362,6 +362,16 @@ and inode numbers.
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@end deftypefn
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@c fopen_unlocked.c:32
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@deftypefn Extension FILE * fdopen_unlocked (int @var{fildes}, const char * @var{mode})
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Opens and returns a @code{FILE} pointer via @code{fdopen}. If the
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operating system supports it, ensure that the stream is setup to avoid
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any multi-threaded locking. Otherwise return the @code{FILE} pointer
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unchanged.
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@end deftypefn
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@c ffs.c:3
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@deftypefn Supplemental int ffs (int @var{valu})
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@ -421,6 +431,16 @@ Ignores case when performing the comparison.
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@end deftypefn
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@c fopen_unlocked.c:23
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@deftypefn Extension FILE * fopen_unlocked (const char *@var{path}, const char * @var{mode})
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Opens and returns a @code{FILE} pointer via @code{fopen}. If the
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operating system supports it, ensure that the stream is setup to avoid
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any multi-threaded locking. Otherwise return the @code{FILE} pointer
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unchanged.
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@end deftypefn
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@c argv.c:94
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@deftypefn Extension void freeargv (char **@var{vector})
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@ -431,6 +451,16 @@ itself.
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@end deftypefn
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@c fopen_unlocked.c:41
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@deftypefn Extension FILE * freopen_unlocked (const char * @var{path}, const char * @var{mode}, FILE * @var{stream})
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Opens and returns a @code{FILE} pointer via @code{freopen}. If the
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operating system supports it, ensure that the stream is setup to avoid
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any multi-threaded locking. Otherwise return the @code{FILE} pointer
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unchanged.
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@end deftypefn
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@c getruntime.c:82
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@deftypefn Replacement long get_run_time (void)
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