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merge from gcc

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DJ Delorie 2005-04-26 01:02:02 +00:00
parent 306ab1664b
commit c631edf1cc
5 changed files with 52 additions and 11 deletions
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4
include/ChangeLog
View file

@ -1,3 +1,7 @@
2005-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* libiberty.h (unlock_std_streams): New.
2005-04-19 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* hashtab.h, libiberty.h, objalloc.h, splay-tree.h, ternary.h:

6
include/libiberty.h
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@ -54,6 +54,12 @@ extern "C" {
extern void unlock_stream (FILE *);
/* If the OS supports it, ensure that the standard I/O streams, stdin,
stdout and stderr are setup to avoid any multi-threaded locking.
Otherwise do nothing. */
extern void unlock_std_streams (void);
/* Open and return a FILE pointer. If the OS supports it, ensure that
the stream is setup to avoid any multi-threaded locking. Otherwise
return the FILE pointer unchanged. */

6
libiberty/ChangeLog
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@ -1,3 +1,9 @@
2005-04-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* fopen_unlocked.c (unlock_std_streams): New.
* functions.texi: Regenerate.
2005-04-16 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
* fopen_unlocked.c (unlock_stream): New.

16
libiberty/fopen_unlocked.c
View file

@ -28,6 +28,14 @@ pointer unchanged. If the @var{stream} is @code{NULL} do nothing.
@end deftypefn
@deftypefn Extension void unlock_std_streams (void)
If the OS supports it, ensure that the standard I/O streams,
@code{stdin}, @code{stdout} and @code{stderr} are setup to avoid any
multi-threaded locking. Otherwise do nothing.
@end deftypefn
@deftypefn Extension FILE * fopen_unlocked (const char *@var{path}, const char * @var{mode})
Opens and returns a @code{FILE} pointer via @code{fopen}. If the
@ -85,6 +93,14 @@ unlock_stream(FILE *fp)
unlock_1 (fp);
}
void
unlock_std_streams (void)
{
unlock_1 (stdin);
unlock_1 (stdout);
unlock_1 (stderr);
}
FILE *
fopen_unlocked (const char *path, const char *mode)
{

29
libiberty/functions.texi
View file

@ -176,7 +176,7 @@ the possibility of a GCC built-in function.
@end deftypefn
@c asprintf.c:29
@c asprintf.c:32
@deftypefn Extension int asprintf (char **@var{resptr}, const char *@var{format}, ...)
Like @code{sprintf}, but instead of passing a pointer to a buffer, you
@ -237,7 +237,7 @@ is respectively less than, matching, or greater than the array member.
@end deftypefn
@c argv.c:121
@c argv.c:124
@deftypefn Extension char** buildargv (char *@var{sp})
Given a pointer to a string, parse the string extracting fields
@ -318,7 +318,7 @@ pointer encountered. Pointers to empty strings are ignored.
@end deftypefn
@c argv.c:49
@c argv.c:52
@deftypefn Extension char** dupargv (char **@var{vector})
Duplicate an argument vector. Simply scans through @var{vector},
@ -362,7 +362,7 @@ and inode numbers.
@end deftypefn
@c fopen_unlocked.c:40
@c fopen_unlocked.c:48
@deftypefn Extension FILE * fdopen_unlocked (int @var{fildes}, const char * @var{mode})
Opens and returns a @code{FILE} pointer via @code{fdopen}. If the
@ -431,7 +431,7 @@ Ignores case when performing the comparison.
@end deftypefn
@c fopen_unlocked.c:31
@c fopen_unlocked.c:39
@deftypefn Extension FILE * fopen_unlocked (const char *@var{path}, const char * @var{mode})
Opens and returns a @code{FILE} pointer via @code{fopen}. If the
@ -441,7 +441,7 @@ unchanged.
@end deftypefn
@c argv.c:94
@c argv.c:97
@deftypefn Extension void freeargv (char **@var{vector})
Free an argument vector that was built using @code{buildargv}. Simply
@ -451,7 +451,7 @@ itself.
@end deftypefn
@c fopen_unlocked.c:49
@c fopen_unlocked.c:57
@deftypefn Extension FILE * freopen_unlocked (const char * @var{path}, const char * @var{mode}, FILE * @var{stream})
Opens and returns a @code{FILE} pointer via @code{freopen}. If the
@ -510,7 +510,7 @@ that @var{tz} be NULL. Returns 0 on success, -1 on failure.
@end deftypefn
@c hex.c:30
@c hex.c:33
@deftypefn Extension void hex_init (void)
Initializes the array mapping the current character set to
@ -520,7 +520,7 @@ default ASCII-based table will normally be used on ASCII systems.
@end deftypefn
@c hex.c:39
@c hex.c:42
@deftypefn Extension int hex_p (int @var{c})
Evaluates to non-zero if the given character is a valid hex character,
@ -529,7 +529,7 @@ or zero if it is not. Note that the value you pass will be cast to
@end deftypefn
@c hex.c:47
@c hex.c:50
@deftypefn Extension {unsigned int} hex_value (int @var{c})
Returns the numeric equivalent of the given character when interpreted
@ -1201,6 +1201,15 @@ was made to unlink the file because it is special.
@end deftypefn
@c fopen_unlocked.c:31
@deftypefn Extension void unlock_std_streams (void)
If the OS supports it, ensure that the standard I/O streams,
@code{stdin}, @code{stdout} and @code{stderr} are setup to avoid any
multi-threaded locking. Otherwise do nothing.
@end deftypefn
@c fopen_unlocked.c:23
@deftypefn Extension void unlock_stream (FILE * @var{stream})